清理缓存时也清理HEAD缓存

支持对GET/POST之外的请求方法独立缓存
支持缓存压缩后的内容
2022-02-22 21:52:28 +08:00 · 2022-02-22 21:43:47 +08:00 · 2022-02-22 19:29:27 +08:00 · 2022-02-21 18:31:17 +08:00 · 2022-02-21 17:52:02 +08:00 · 2022-02-21 17:33:58 +08:00
217 changed files with 8642 additions and 2891 deletions
--- a/build/build.sh
+++ b/build/build.sh
@@ -5,6 +5,10 @@ function build() {
 	NAME="edge-node"
 	VERSION=$(lookup-version $ROOT/../internal/const/const.go)
 	DIST=$ROOT/"../dist/${NAME}"
+	MUSL_DIR="/usr/local/opt/musl-cross/bin"
+	GCC_X86_64_DIR="/usr/local/Cellar/x86_64-unknown-linux-gnu/10.3.0/bin"
+	GCC_ARM64_DIR="/usr/local/Cellar/aarch64-unknown-linux-gnu/10.3.0/bin"
+
 	OS=${1}
 	ARCH=${2}
 	TAG=${3}
@@ -53,22 +57,41 @@ function build() {

 	echo "building ..."

-	MUSL_DIR="/usr/local/opt/musl-cross/bin"
 	CC_PATH=""
 	CXX_PATH=""
+	BUILD_TAG=$TAG
 	if [[ `uname -a` == *"Darwin"* && "${OS}" == "linux" ]]; then
-		# /usr/local/opt/musl-cross/bin/
 		if [ "${ARCH}" == "amd64" ]; then
-			CC_PATH="x86_64-linux-musl-gcc"
-			CXX_PATH="x86_64-linux-musl-g++"
+			# build with script support
+			if [ -d $GCC_X86_64_DIR ]; then
+				MUSL_DIR=$GCC_X86_64_DIR
+				CC_PATH="x86_64-unknown-linux-gnu-gcc"
+				CXX_PATH="x86_64-unknown-linux-gnu-g++"
+				if [ "$TAG" = "plus" ]; then
+					BUILD_TAG="plus,script"
+				fi
+			else
+				CC_PATH="x86_64-linux-musl-gcc"
+				CXX_PATH="x86_64-linux-musl-g++"
+			fi
 		fi
 		if [ "${ARCH}" == "386" ]; then
 			CC_PATH="i486-linux-musl-gcc"
 			CXX_PATH="i486-linux-musl-g++"
 		fi
 		if [ "${ARCH}" == "arm64" ]; then
-			CC_PATH="aarch64-linux-musl-gcc"
-			CXX_PATH="aarch64-linux-musl-g++"
+			# build with script support
+			if [ -d $GCC_ARM64_DIR ]; then
+				MUSL_DIR=$GCC_ARM64_DIR
+				CC_PATH="aarch64-unknown-linux-gnu-gcc"
+				CXX_PATH="aarch64-unknown-linux-gnu-g++"
+				if [ "$TAG" = "plus" ]; then
+					BUILD_TAG="plus,script"
+				fi
+			else
+				CC_PATH="aarch64-linux-musl-gcc"
+				CXX_PATH="aarch64-linux-musl-g++"
+			fi
 		fi
 		if [ "${ARCH}" == "arm" ]; then
 			CC_PATH="arm-linux-musleabi-gcc"
@@ -84,7 +107,7 @@ function build() {
 		fi
 	fi
 	if [ ! -z $CC_PATH ]; then
-		env CC=$MUSL_DIR/$CC_PATH CXX=$MUSL_DIR/$CXX_PATH GOOS=${OS} GOARCH=${ARCH} CGO_ENABLED=1 go build -tags $TAG -o $DIST/bin/${NAME} -ldflags "-linkmode external -extldflags -static -s -w" $ROOT/../cmd/edge-node/main.go
+		env CC=$MUSL_DIR/$CC_PATH CXX=$MUSL_DIR/$CXX_PATH GOOS=${OS} GOARCH=${ARCH} CGO_ENABLED=1 go build -tags $BUILD_TAG -o $DIST/bin/${NAME} -ldflags "-linkmode external -extldflags -static -s -w" $ROOT/../cmd/edge-node/main.go
 	else
 		env GOOS=${OS} GOARCH=${ARCH} CGO_ENABLED=1 go build -tags $TAG -o $DIST/bin/${NAME} -ldflags="-s -w" $ROOT/../cmd/edge-node/main.go
 	fi
--- a/cmd/edge-node/main.go
+++ b/cmd/edge-node/main.go
@@ -1,13 +1,17 @@
 package main

 import (
+	"encoding/json"
 	"fmt"
 	"github.com/TeaOSLab/EdgeNode/internal/apps"
 	teaconst "github.com/TeaOSLab/EdgeNode/internal/const"
 	"github.com/TeaOSLab/EdgeNode/internal/nodes"
 	_ "github.com/iwind/TeaGo/bootstrap"
 	"github.com/iwind/TeaGo/logs"
+	"github.com/iwind/TeaGo/maps"
+	"github.com/iwind/TeaGo/types"
 	"github.com/iwind/gosock/pkg/gosock"
+	"net"
 	"net/http"
 	_ "net/http/pprof"
 	"os"
@@ -88,6 +92,150 @@ func main() {
 			}
 		}
 	})
+	app.On("goman", func() {
+		var sock = gosock.NewTmpSock(teaconst.ProcessName)
+		reply, err := sock.Send(&gosock.Command{Code: "goman"})
+		if err != nil {
+			fmt.Println("[ERROR]" + err.Error())
+		} else {
+			instancesJSON, err := json.MarshalIndent(reply.Params, "", "  ")
+			if err != nil {
+				fmt.Println("[ERROR]" + err.Error())
+			} else {
+				fmt.Println(string(instancesJSON))
+			}
+		}
+	})
+	app.On("conns", func() {
+		var sock = gosock.NewTmpSock(teaconst.ProcessName)
+		reply, err := sock.Send(&gosock.Command{Code: "conns"})
+		if err != nil {
+			fmt.Println("[ERROR]" + err.Error())
+		} else {
+			resultJSON, err := json.MarshalIndent(reply.Params, "", "  ")
+			if err != nil {
+				fmt.Println("[ERROR]" + err.Error())
+			} else {
+				fmt.Println(string(resultJSON))
+			}
+		}
+	})
+	app.On("gc", func() {
+		var sock = gosock.NewTmpSock(teaconst.ProcessName)
+		_, err := sock.Send(&gosock.Command{Code: "gc"})
+		if err != nil {
+			fmt.Println("[ERROR]" + err.Error())
+		} else {
+			fmt.Println("ok")
+		}
+	})
+	app.On("ip.drop", func() {
+		var args = os.Args[2:]
+		if len(args) == 0 {
+			fmt.Println("Usage: edge-node ip.drop IP [--timeout=SECONDS]")
+			return
+		}
+		var ip = args[0]
+		if len(net.ParseIP(ip)) == 0 {
+			fmt.Println("IP '" + ip + "' is invalid")
+			return
+		}
+		var timeoutSeconds = 0
+		var options = app.ParseOptions(args[1:])
+		timeout, ok := options["timeout"]
+		if ok {
+			timeoutSeconds = types.Int(timeout[0])
+		}
+
+		fmt.Println("drop ip '" + ip + "' for '" + types.String(timeoutSeconds) + "' seconds")
+		var sock = gosock.NewTmpSock(teaconst.ProcessName)
+		reply, err := sock.Send(&gosock.Command{
+			Code: "dropIP",
+			Params: map[string]interface{}{
+				"ip":             ip,
+				"timeoutSeconds": timeoutSeconds,
+			},
+		})
+		if err != nil {
+			fmt.Println("[ERROR]" + err.Error())
+		} else {
+			var errString = maps.NewMap(reply.Params).GetString("error")
+			if len(errString) > 0 {
+				fmt.Println("[ERROR]" + errString)
+			} else {
+				fmt.Println("ok")
+			}
+		}
+	})
+	app.On("ip.reject", func() {
+		var args = os.Args[2:]
+		if len(args) == 0 {
+			fmt.Println("Usage: edge-node ip.reject IP [--timeout=SECONDS]")
+			return
+		}
+		var ip = args[0]
+		if len(net.ParseIP(ip)) == 0 {
+			fmt.Println("IP '" + ip + "' is invalid")
+			return
+		}
+		var timeoutSeconds = 0
+		var options = app.ParseOptions(args[1:])
+		timeout, ok := options["timeout"]
+		if ok {
+			timeoutSeconds = types.Int(timeout[0])
+		}
+
+		fmt.Println("reject ip '" + ip + "' for '" + types.String(timeoutSeconds) + "' seconds")
+
+		var sock = gosock.NewTmpSock(teaconst.ProcessName)
+		reply, err := sock.Send(&gosock.Command{
+			Code: "rejectIP",
+			Params: map[string]interface{}{
+				"ip":             ip,
+				"timeoutSeconds": timeoutSeconds,
+			},
+		})
+		if err != nil {
+			fmt.Println("[ERROR]" + err.Error())
+		} else {
+			var errString = maps.NewMap(reply.Params).GetString("error")
+			if len(errString) > 0 {
+				fmt.Println("[ERROR]" + errString)
+			} else {
+				fmt.Println("ok")
+			}
+		}
+	})
+	app.On("ip.remove", func() {
+		var args = os.Args[2:]
+		if len(args) == 0 {
+			fmt.Println("Usage: edge-node ip.remove IP")
+			return
+		}
+		var ip = args[0]
+		if len(net.ParseIP(ip)) == 0 {
+			fmt.Println("IP '" + ip + "' is invalid")
+			return
+		}
+
+		var sock = gosock.NewTmpSock(teaconst.ProcessName)
+		reply, err := sock.Send(&gosock.Command{
+			Code: "removeIP",
+			Params: map[string]interface{}{
+				"ip": ip,
+			},
+		})
+		if err != nil {
+			fmt.Println("[ERROR]" + err.Error())
+		} else {
+			var errString = maps.NewMap(reply.Params).GetString("error")
+			if len(errString) > 0 {
+				fmt.Println("[ERROR]" + errString)
+			} else {
+				fmt.Println("ok")
+			}
+		}
+	})
 	app.Run(func() {
 		node := nodes.NewNode()
 		node.Start()
--- a/go.mod
+++ b/go.mod
@@ -2,39 +2,39 @@ module github.com/TeaOSLab/EdgeNode

 go 1.15

-replace github.com/TeaOSLab/EdgeCommon => ../EdgeCommon
+replace (
+	github.com/TeaOSLab/EdgeCommon => ../EdgeCommon
+)

 require (
-	github.com/StackExchange/wmi v0.0.0-20190523213315-cbe66965904d // indirect
 	github.com/TeaOSLab/EdgeCommon v0.0.0-00010101000000-000000000000
 	github.com/andybalholm/brotli v1.0.3
 	github.com/biessek/golang-ico v0.0.0-20180326222316-d348d9ea4670
 	github.com/cespare/xxhash v1.1.0
 	github.com/chai2010/webp v1.1.0 // indirect
 	github.com/dchest/captcha v0.0.0-20200903113550-03f5f0333e1f
-	github.com/dop251/goja v0.0.0-20210804101310-32956a348b49
-	github.com/go-ole/go-ole v1.2.4 // indirect
+	github.com/fsnotify/fsnotify v1.5.1 // indirect
 	github.com/go-yaml/yaml v2.1.0+incompatible
 	github.com/golang/protobuf v1.5.2
 	github.com/iwind/TeaGo v0.0.0-20211026123858-7de7a21cad24
 	github.com/iwind/gofcgi v0.0.0-20210528023741-a92711d45f11
 	github.com/iwind/gosock v0.0.0-20210722083328-12b2d66abec3
 	github.com/iwind/gowebp v0.0.0-20211029040624-7331ecc78ed8
-	github.com/json-iterator/go v1.1.12 // indirect
 	github.com/jsummers/gobmp v0.0.0-20151104160322-e2ba15ffa76e // indirect
-	github.com/lionsoul2014/ip2region v2.2.0-release+incompatible
+	github.com/kr/text v0.2.0 // indirect
 	github.com/mattn/go-sqlite3 v1.14.9
 	github.com/miekg/dns v1.1.43
-	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
-	github.com/mssola/user_agent v0.5.2
+	github.com/mssola/user_agent v0.5.3
 	github.com/pires/go-proxyproto v0.6.1
-	github.com/shirou/gopsutil v3.21.5+incompatible
+	github.com/shirou/gopsutil v3.21.11+incompatible
 	github.com/tklauser/go-sysconf v0.3.6 // indirect
-	golang.org/x/image v0.0.0-20190802002840-cff245a6509b
-	golang.org/x/net v0.0.0-20210614182718-04defd469f4e
-	golang.org/x/sys v0.0.0-20210616094352-59db8d763f22
-	golang.org/x/text v0.3.6
-	google.golang.org/genproto v0.0.0-20210617175327-b9e0b3197ced // indirect
-	google.golang.org/grpc v1.38.0
+	github.com/yusufpapurcu/wmi v1.2.2 // indirect
+	golang.org/x/image v0.0.0-20211028202545-6944b10bf410
+	golang.org/x/net v0.0.0-20211215060638-4ddde0e984e9
+	golang.org/x/sys v0.0.0-20220111092808-5a964db01320
+	golang.org/x/text v0.3.7
+	google.golang.org/genproto v0.0.0-20211208223120-3a66f561d7aa // indirect
+	google.golang.org/grpc v1.43.0
+	gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c // indirect
 	gopkg.in/yaml.v3 v3.0.0-20200615113413-eeeca48fe776
 )
--- a/go.sum
+++ b/go.sum
@@ -1,14 +1,14 @@
 cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
+cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
 dmitri.shuralyov.com/gpu/mtl v0.0.0-20190408044501-666a987793e9/go.mod h1:H6x//7gZCb22OMCxBHrMx7a5I7Hp++hsVxbQ4BYO7hU=
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
 github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo=
 github.com/DataDog/sketches-go v0.0.0-20190923095040-43f19ad77ff7/go.mod h1:Q5DbzQ+3AkgGwymQO7aZFNP7ns2lZKGtvRBzRXfdi60=
 github.com/OneOfOne/xxhash v1.2.2 h1:KMrpdQIwFcEqXDklaen+P1axHaj9BSKzvpUUfnHldSE=
 github.com/OneOfOne/xxhash v1.2.2/go.mod h1:HSdplMjZKSmBqAxg5vPj2TmRDmfkzw+cTzAElWljhcU=
-github.com/StackExchange/wmi v0.0.0-20190523213315-cbe66965904d h1:G0m3OIz70MZUWq3EgK3CesDbo8upS2Vm9/P3FtgI+Jk=
-github.com/StackExchange/wmi v0.0.0-20190523213315-cbe66965904d/go.mod h1:3eOhrUMpNV+6aFIbp5/iudMxNCF27Vw2OZgy4xEx0Fg=
 github.com/andybalholm/brotli v1.0.3 h1:fpcw+r1N1h0Poc1F/pHbW40cUm/lMEQslZtCkBQ0UnM=
 github.com/andybalholm/brotli v1.0.3/go.mod h1:fO7iG3H7G2nSZ7m0zPUDn85XEX2GTukHGRSepvi9Eig=
+github.com/antihax/optional v1.0.0/go.mod h1:uupD/76wgC+ih3iEmQUL+0Ugr19nfwCT1kdvxnR2qWY=
 github.com/benbjohnson/clock v1.0.3/go.mod h1:bGMdMPoPVvcYyt1gHDf4J2KE153Yf9BuiUKYMaxlTDM=
 github.com/biessek/golang-ico v0.0.0-20180326222316-d348d9ea4670 h1:FQPKKjDhzG0T4ew6dm6MGrXb4PRAi8ZmTuYuxcF62BM=
 github.com/biessek/golang-ico v0.0.0-20180326222316-d348d9ea4670/go.mod h1:iRWAFbKXMMkVQyxZ1PfGlkBr1TjATx1zy2MRprV7A3Q=
@@ -22,6 +22,11 @@ github.com/chai2010/webp v1.1.0/go.mod h1:LP12PG5IFmLGHUU26tBiCBKnghxx3toZFwDjOY
 github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
 github.com/cncf/udpa/go v0.0.0-20191209042840-269d4d468f6f/go.mod h1:M8M6+tZqaGXZJjfX53e64911xZQV5JYwmTeXPW+k8Sc=
 github.com/cncf/udpa/go v0.0.0-20201120205902-5459f2c99403/go.mod h1:WmhPx2Nbnhtbo57+VJT5O0JRkEi1Wbu0z5j0R8u5Hbk=
+github.com/cncf/udpa/go v0.0.0-20210930031921-04548b0d99d4/go.mod h1:6pvJx4me5XPnfI9Z40ddWsdw2W/uZgQLFXToKeRcDiI=
+github.com/cncf/xds/go v0.0.0-20210312221358-fbca930ec8ed/go.mod h1:eXthEFrGJvWHgFFCl3hGmgk+/aYT6PnTQLykKQRLhEs=
+github.com/cncf/xds/go v0.0.0-20210805033703-aa0b78936158/go.mod h1:eXthEFrGJvWHgFFCl3hGmgk+/aYT6PnTQLykKQRLhEs=
+github.com/cncf/xds/go v0.0.0-20210922020428-25de7278fc84/go.mod h1:eXthEFrGJvWHgFFCl3hGmgk+/aYT6PnTQLykKQRLhEs=
+github.com/cncf/xds/go v0.0.0-20211011173535-cb28da3451f1/go.mod h1:eXthEFrGJvWHgFFCl3hGmgk+/aYT6PnTQLykKQRLhEs=
 github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
@@ -29,24 +34,22 @@ github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSs
 github.com/dchest/captcha v0.0.0-20200903113550-03f5f0333e1f h1:q/DpyjJjZs94bziQ7YkBmIlpqbVP7yw179rnzoNVX1M=
 github.com/dchest/captcha v0.0.0-20200903113550-03f5f0333e1f/go.mod h1:QGrK8vMWWHQYQ3QU9bw9Y9OPNfxccGzfb41qjvVeXtY=
 github.com/dgryski/go-rendezvous v0.0.0-20200624174652-8d2f3be8b2d9/go.mod h1:cuUVRXasLTGF7a8hSLbxyZXjz+1KgoB3wDUb6vlszIc=
-github.com/dlclark/regexp2 v1.4.1-0.20201116162257-a2a8dda75c91 h1:Izz0+t1Z5nI16/II7vuEo/nHjodOg0p7+OiDpjX5t1E=
-github.com/dlclark/regexp2 v1.4.1-0.20201116162257-a2a8dda75c91/go.mod h1:2pZnwuY/m+8K6iRw6wQdMtk+rH5tNGR1i55kozfMjCc=
-github.com/dop251/goja v0.0.0-20210804101310-32956a348b49 h1:CtSi0QlA2Hy+nOh8JAZoiEBLW5pliAiKJ3l1Iq1472I=
-github.com/dop251/goja v0.0.0-20210804101310-32956a348b49/go.mod h1:R9ET47fwRVRPZnOGvHxxhuZcbrMCuiqOz3Rlrh4KSnk=
-github.com/dop251/goja_nodejs v0.0.0-20210225215109-d91c329300e7/go.mod h1:hn7BA7c8pLvoGndExHudxTDKZ84Pyvv+90pbBjbTz0Y=
 github.com/envoyproxy/go-control-plane v0.9.0/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
 github.com/envoyproxy/go-control-plane v0.9.1-0.20191026205805-5f8ba28d4473/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
 github.com/envoyproxy/go-control-plane v0.9.4/go.mod h1:6rpuAdCZL397s3pYoYcLgu1mIlRU8Am5FuJP05cCM98=
-github.com/envoyproxy/go-control-plane v0.9.9-0.20210217033140-668b12f5399d/go.mod h1:cXg6YxExXjJnVBQHBLXeUAgxn2UodCpnH306RInaBQk=
+github.com/envoyproxy/go-control-plane v0.9.9-0.20201210154907-fd9021fe5dad/go.mod h1:cXg6YxExXjJnVBQHBLXeUAgxn2UodCpnH306RInaBQk=
+github.com/envoyproxy/go-control-plane v0.9.9-0.20210512163311-63b5d3c536b0/go.mod h1:hliV/p42l8fGbc6Y9bQ70uLwIvmJyVE5k4iMKlh8wCQ=
+github.com/envoyproxy/go-control-plane v0.9.10-0.20210907150352-cf90f659a021/go.mod h1:AFq3mo9L8Lqqiid3OhADV3RfLJnjiw63cSpi+fDTRC0=
 github.com/envoyproxy/protoc-gen-validate v0.1.0/go.mod h1:iSmxcyjqTsJpI2R4NaDN7+kN2VEUnK/pcBlmesArF7c=
 github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMoQvtojpjFo=
 github.com/fsnotify/fsnotify v1.4.9/go.mod h1:znqG4EE+3YCdAaPaxE2ZRY/06pZUdp0tY4IgpuI1SZQ=
+github.com/fsnotify/fsnotify v1.5.1 h1:mZcQUHVQUQWoPXXtuf9yuEXKudkV2sx1E06UadKWpgI=
+github.com/fsnotify/fsnotify v1.5.1/go.mod h1:T3375wBYaZdLLcVNkcVbzGHY7f1l/uK5T5Ai1i3InKU=
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@@ -63,6 +66,7 @@ github.com/golang/protobuf v1.4.0-rc.4.0.20200313231945-b860323f09d0/go.mod h1:W
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@@ -75,8 +79,8 @@ github.com/google/go-cmp v0.5.5 h1:Khx7svrCpmxxtHBq5j2mp/xVjsi8hQMfNLvJFAlrGgU=
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@@ -87,8 +91,6 @@ github.com/iwind/gosock v0.0.0-20210722083328-12b2d66abec3/go.mod h1:H5Q7SXwbx3a
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@@ -129,53 +123,61 @@ github.com/pires/go-proxyproto v0.6.1/go.mod h1:Odh9VFOZJCf9G8cLW5o435Xf1J95Jw9G
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+golang.org/x/net v0.0.0-20211215060638-4ddde0e984e9 h1:kmreh1vGI63l2FxOAYS3Yv6ATsi7lSTuwNSVbGfJV9I=
+golang.org/x/net v0.0.0-20211215060638-4ddde0e984e9/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
 golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
+golang.org/x/oauth2 v0.0.0-20200107190931-bf48bf16ab8d/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw=
 golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20181108010431-42b317875d0f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
+golang.org/x/sync v0.0.0-20181221193216-37e7f081c4d4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20210220032951-036812b2e83c h1:5KslGYwFpkhGh+Q16bwMP3cOontH8FOep7tGV86Y7SQ=
 golang.org/x/sync v0.0.0-20210220032951-036812b2e83c/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
@@ -185,6 +187,7 @@ golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5h
 golang.org/x/sys v0.0.0-20190312061237-fead79001313/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190904154756-749cb33beabd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20190916202348-b4ddaad3f8a3/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20191001151750-bb3f8db39f24/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20191005200804-aed5e4c7ecf9/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20191010194322-b09406accb47/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
@@ -197,25 +200,25 @@ golang.org/x/sys v0.0.0-20210316164454-77fc1eacc6aa/go.mod h1:h1NjWce9XRLGQEsW7w
 golang.org/x/sys v0.0.0-20210330210617-4fbd30eecc44/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210423082822-04245dca01da/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210510120138-977fb7262007/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.0.0-20210616094352-59db8d763f22 h1:RqytpXGR1iVNX7psjB3ff8y7sNFinVFvkx1c8SjBkio=
-golang.org/x/sys v0.0.0-20210616094352-59db8d763f22/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.0.0-20210630005230-0f9fa26af87c/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.0.0-20211214234402-4825e8c3871d h1:1oIt9o40TWWI9FUaveVpUvBe13FNqBNVXy3ue2fcfkw=
+golang.org/x/sys v0.0.0-20211214234402-4825e8c3871d/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.0.0-20220111092808-5a964db01320 h1:0jf+tOCoZ3LyutmCOWpVni1chK4VfFLhRsDK7MhqGRY=
+golang.org/x/sys v0.0.0-20220111092808-5a964db01320/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
 golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/text v0.3.5/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
-golang.org/x/text v0.3.6 h1:aRYxNxv6iGQlyVaZmk6ZgYEDa+Jg18DxebPSrd6bg1M=
 golang.org/x/text v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
+golang.org/x/text v0.3.7 h1:olpwvP2KacW1ZWvsR7uQhoyTYvKAupfQrRGBFM352Gk=
+golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20190114222345-bf090417da8b/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20190226205152-f727befe758c/go.mod h1:9Yl7xja0Znq3iFh3HoIrodX9oNMXvdceNzlUR8zjMvY=
 golang.org/x/tools v0.0.0-20190311212946-11955173bddd/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=
 golang.org/x/tools v0.0.0-20190524140312-2c0ae7006135/go.mod h1:RgjU9mgBXZiqYHBnxXauZ1Gv1EHHAz9KjViQ78xBX0Q=
-golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
-golang.org/x/tools v0.0.0-20200130002326-2f3ba24bd6e7/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28=
 golang.org/x/tools v0.0.0-20200207183749-b753a1ba74fa/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28=
-golang.org/x/tools v0.1.3/go.mod h1:o0xws9oXOQQZyjljx8fwUC0k7L1pTE6eaCbjGeHmOkk=
-golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1 h1:go1bK/D/BFZV2I8cIQd1NKEZ+0owSTG1fDTci4IqFcE=
@@ -225,17 +228,21 @@ google.golang.org/appengine v1.4.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7
 google.golang.org/genproto v0.0.0-20180817151627-c66870c02cf8/go.mod h1:JiN7NxoALGmiZfu7CAH4rXhgtRTLTxftemlI0sWmxmc=
 google.golang.org/genproto v0.0.0-20190819201941-24fa4b261c55/go.mod h1:DMBHOl98Agz4BDEuKkezgsaosCRResVns1a3J2ZsMNc=
 google.golang.org/genproto v0.0.0-20191009194640-548a555dbc03/go.mod h1:n3cpQtvxv34hfy77yVDNjmbRyujviMdxYliBSkLhpCc=
+google.golang.org/genproto v0.0.0-20200513103714-09dca8ec2884/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c=
 google.golang.org/genproto v0.0.0-20200526211855-cb27e3aa2013/go.mod h1:NbSheEEYHJ7i3ixzK3sjbqSGDJWnxyFXZblF3eUsNvo=
-google.golang.org/genproto v0.0.0-20210617175327-b9e0b3197ced h1:c5geK1iMU3cDKtFrCVQIcjR3W+JOZMuhIyICMCTbtus=
-google.golang.org/genproto v0.0.0-20210617175327-b9e0b3197ced/go.mod h1:SzzZ/N+nwJDaO1kznhnlzqS8ocJICar6hYhVyhi++24=
+google.golang.org/genproto v0.0.0-20211208223120-3a66f561d7aa h1:I0YcKz0I7OAhddo7ya8kMnvprhcWM045PmkBdMO9zN0=
+google.golang.org/genproto v0.0.0-20211208223120-3a66f561d7aa/go.mod h1:5CzLGKJ67TSI2B9POpiiyGha0AjJvZIUgRMt1dSmuhc=
 google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c=
 google.golang.org/grpc v1.23.0/go.mod h1:Y5yQAOtifL1yxbo5wqy6BxZv8vAUGQwXBOALyacEbxg=
 google.golang.org/grpc v1.25.1/go.mod h1:c3i+UQWmh7LiEpx4sFZnkU36qjEYZ0imhYfXVyQciAY=
 google.golang.org/grpc v1.27.0/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
 google.golang.org/grpc v1.30.0/go.mod h1:N36X2cJ7JwdamYAgDz+s+rVMFjt3numwzf/HckM8pak=
 google.golang.org/grpc v1.32.0/go.mod h1:N36X2cJ7JwdamYAgDz+s+rVMFjt3numwzf/HckM8pak=
-google.golang.org/grpc v1.38.0 h1:/9BgsAsa5nWe26HqOlvlgJnqBuktYOLCgjCPqsa56W0=
-google.golang.org/grpc v1.38.0/go.mod h1:NREThFqKR1f3iQ6oBuvc5LadQuXVGo9rkm5ZGrQdJfM=
+google.golang.org/grpc v1.33.1/go.mod h1:fr5YgcSWrqhRRxogOsw7RzIpsmvOZ6IcH4kBYTpR3n0=
+google.golang.org/grpc v1.36.0/go.mod h1:qjiiYl8FncCW8feJPdyg3v6XW24KsRHe+dy9BAGRRjU=
+google.golang.org/grpc v1.40.0/go.mod h1:ogyxbiOoUXAkP+4+xa6PZSE9DZgIHtSpzjDTB9KAK34=
+google.golang.org/grpc v1.43.0 h1:Eeu7bZtDZ2DpRCsLhUlcrLnvYaMK1Gz86a+hMVvELmM=
+google.golang.org/grpc v1.43.0/go.mod h1:k+4IHHFw41K8+bbowsex27ge2rCb65oeWqe4jJ590SU=
 google.golang.org/protobuf v0.0.0-20200109180630-ec00e32a8dfd/go.mod h1:DFci5gLYBciE7Vtevhsrf46CRTquxDuWsQurQQe4oz8=
 google.golang.org/protobuf v0.0.0-20200221191635-4d8936d0db64/go.mod h1:kwYJMbMJ01Woi6D6+Kah6886xMZcty6N08ah7+eCXa0=
 google.golang.org/protobuf v0.0.0-20200228230310-ab0ca4ff8a60/go.mod h1:cfTl7dwQJ+fmap5saPgwCLgHXTUD7jkjRqWcaiX5VyM=
@@ -246,8 +253,9 @@ google.golang.org/protobuf v1.23.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2
 google.golang.org/protobuf v1.23.1-0.20200526195155-81db48ad09cc/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
 google.golang.org/protobuf v1.25.0/go.mod h1:9JNX74DMeImyA3h4bdi1ymwjUzf21/xIlbajtzgsN7c=
 google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw=
-google.golang.org/protobuf v1.26.0 h1:bxAC2xTBsZGibn2RTntX0oH50xLsqy1OxA9tTL3p/lk=
 google.golang.org/protobuf v1.26.0/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
+google.golang.org/protobuf v1.27.1 h1:SnqbnDw1V7RiZcXPx5MEeqPv2s79L9i7BJUlG/+RurQ=
+google.golang.org/protobuf v1.27.1/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20200227125254-8fa46927fb4f/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
@@ -257,6 +265,7 @@ gopkg.in/fsnotify.v1 v1.4.7/go.mod h1:Tz8NjZHkW78fSQdbUxIjBTcgA1z1m8ZHf0WmKUhAMy
 gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7/go.mod h1:dt/ZhP58zS4L8KSrWDmTeBkI65Dw0HsyUHuEVlX15mw=
 gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+gopkg.in/yaml.v2 v2.2.3/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.4/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.7/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.3.0/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
--- a/internal/apps/app_cmd.go
+++ b/internal/apps/app_cmd.go
@@ -11,6 +11,8 @@ import (
 	"os/exec"
 	"runtime"
 	"strconv"
+	"strings"
+	"syscall"
 	"time"
 )

@@ -187,6 +189,11 @@ func (this *AppCmd) runStart() {
 	_ = os.Setenv("EdgeBackground", "on")

 	cmd := exec.Command(os.Args[0])
+	cmd.SysProcAttr = &syscall.SysProcAttr{
+		Foreground: false,
+		Setsid:     true,
+	}
+
 	err := cmd.Start()
 	if err != nil {
 		fmt.Println(this.product+"  start failed:", err.Error())
@@ -239,3 +246,19 @@ func (this *AppCmd) getPID() int {
 	}
 	return maps.NewMap(reply.Params).GetInt("pid")
 }
+
+// ParseOptions 分析参数中的选项
+func (this *AppCmd) ParseOptions(args []string) map[string][]string {
+	var result = map[string][]string{}
+	for _, arg := range args {
+		var pieces = strings.SplitN(arg, "=", 2)
+		var key = strings.TrimLeft(pieces[0], "- ")
+		key = strings.TrimSpace(key)
+		var value = ""
+		if len(pieces) == 2 {
+			value = strings.TrimSpace(pieces[1])
+		}
+		result[key] = append(result[key], value)
+	}
+	return result
+}
--- a/internal/caches/item.go
+++ b/internal/caches/item.go
@@ -22,6 +22,7 @@ type Item struct {
 	Type       ItemType `json:"type"`
 	Key        string   `json:"key"`
 	ExpiredAt  int64    `json:"expiredAt"`
+	StaleAt    int64    `json:"staleAt"`
 	HeaderSize int64    `json:"headerSize"`
 	BodySize   int64    `json:"bodySize"`
 	MetaSize   int64    `json:"metaSize"`
--- a/internal/caches/item_test.go
+++ b/internal/caches/item_test.go
@@ -3,6 +3,7 @@
 package caches

 import (
+	"github.com/TeaOSLab/EdgeNode/internal/zero"
 	"github.com/iwind/TeaGo/rands"
 	"github.com/iwind/TeaGo/types"
 	"runtime"
@@ -59,15 +60,15 @@ func TestItems_Memory2(t *testing.T) {
 	runtime.ReadMemStats(stat)
 	var memory1 = stat.HeapInuse

-	var items = map[int32]map[string]bool{}
+	var items = map[int32]map[string]zero.Zero{}
 	for i := 0; i < 10_000_000; i++ {
 		var week = int32((time.Now().Unix() - int64(86400*rands.Int(0, 300))) / (86400 * 7))
 		m, ok := items[week]
 		if !ok {
-			m = map[string]bool{}
+			m = map[string]zero.Zero{}
 			items[week] = m
 		}
-		m[types.String(int64(i)*1_000_000)] = true
+		m[types.String(int64(i)*1_000_000)] = zero.New()
 	}

 	runtime.ReadMemStats(stat)
--- a/internal/caches/list_file.go
+++ b/internal/caches/list_file.go
@@ -4,14 +4,16 @@ package caches

 import (
 	"database/sql"
+	"errors"
+	"github.com/TeaOSLab/EdgeNode/internal/goman"
 	"github.com/TeaOSLab/EdgeNode/internal/remotelogs"
 	"github.com/TeaOSLab/EdgeNode/internal/ttlcache"
 	"github.com/TeaOSLab/EdgeNode/internal/utils"
 	"github.com/iwind/TeaGo/lists"
+	"github.com/iwind/TeaGo/types"
 	timeutil "github.com/iwind/TeaGo/utils/time"
 	_ "github.com/mattn/go-sqlite3"
 	"os"
-	"strconv"
 	"sync/atomic"
 	"time"
 )
@@ -45,6 +47,7 @@ type FileList struct {
 	hitsTableName  string

 	isClosed bool
+	isReady  bool

 	memoryCache *ttlcache.Cache
 }
@@ -67,7 +70,7 @@ func (this *FileList) Init() error {
 		remotelogs.Println("CACHE", "create cache dir '"+this.dir+"'")
 	}

-	this.itemsTableName = "cacheItems_v2"
+	this.itemsTableName = "cacheItems_v3"
 	this.hitsTableName = "hits"

 	var dir = this.dir
@@ -75,21 +78,16 @@ func (this *FileList) Init() error {
 		// 防止sqlite提示authority错误
 		dir = ""
 	}
-	db, err := sql.Open("sqlite3", "file:"+dir+"/index.db?cache=shared&mode=rwc&_journal_mode=WAL")
+	var dbPath = dir + "/index.db"
+	remotelogs.Println("CACHE", "loading database '"+dbPath+"'")
+	db, err := sql.Open("sqlite3", "file:"+dbPath+"?cache=shared&mode=rwc&_journal_mode=WAL")
 	if err != nil {
-		return err
+		return errors.New("open database failed: " + err.Error())
 	}
-	db.SetMaxOpenConns(1)
-	this.db = db

-	// 清除旧表
-	this.oldTables = []string{
-		"cacheItems",
-	}
-	err = this.removeOldTables()
-	if err != nil {
-		remotelogs.Warn("CACHE", "clean old tables failed: "+err.Error())
-	}
+	db.SetMaxOpenConns(1)
+
+	this.db = db

 	// TODO 耗时过长，暂时不整理数据库
 	/**_, err = db.Exec("VACUUM")
@@ -100,7 +98,18 @@ func (this *FileList) Init() error {
 	// 创建
 	err = this.initTables(db, 1)
 	if err != nil {
-		return err
+		return errors.New("init tables failed: " + err.Error())
+	}
+
+	// 清除旧表
+	// 这个一定要在initTables()之后，因为老的数据需要转移
+	this.oldTables = []string{
+		"cacheItems",
+		"cacheItems_v2",
+	}
+	err = this.removeOldTables()
+	if err != nil {
+		remotelogs.Warn("CACHE", "clean old tables failed: "+err.Error())
 	}

 	// 读取总数量
@@ -121,7 +130,7 @@ func (this *FileList) Init() error {
 		return err
 	}

-	this.insertStmt, err = this.db.Prepare(`INSERT INTO "` + this.itemsTableName + `" ("hash", "key", "headerSize", "bodySize", "metaSize", "expiredAt", "host", "serverId", "createdAt") VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?)`)
+	this.insertStmt, err = this.db.Prepare(`INSERT INTO "` + this.itemsTableName + `" ("hash", "key", "headerSize", "bodySize", "metaSize", "expiredAt", "staleAt", "host", "serverId", "createdAt") VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?)`)
 	if err != nil {
 		return err
 	}
@@ -141,7 +150,7 @@ func (this *FileList) Init() error {
 		return err
 	}

-	this.purgeStmt, err = this.db.Prepare(`SELECT "hash" FROM "` + this.itemsTableName + `" WHERE expiredAt<=? LIMIT ?`)
+	this.purgeStmt, err = this.db.Prepare(`SELECT "hash" FROM "` + this.itemsTableName + `" WHERE staleAt<=? LIMIT ?`)
 	if err != nil {
 		return err
 	}
@@ -168,6 +177,8 @@ func (this *FileList) Init() error {
 		return err
 	}

+	this.isReady = true
+
 	return nil
 }

@@ -177,11 +188,15 @@ func (this *FileList) Reset() error {
 }

 func (this *FileList) Add(hash string, item *Item) error {
-	if this.isClosed {
+	if !this.isReady {
 		return nil
 	}

-	_, err := this.insertStmt.Exec(hash, item.Key, item.HeaderSize, item.BodySize, item.MetaSize, item.ExpiredAt, item.Host, item.ServerId, utils.UnixTime())
+	if item.StaleAt == 0 {
+		item.StaleAt = item.ExpiredAt
+	}
+
+	_, err := this.insertStmt.Exec(hash, item.Key, item.HeaderSize, item.BodySize, item.MetaSize, item.ExpiredAt, item.StaleAt, item.Host, item.ServerId, utils.UnixTime())
 	if err != nil {
 		return err
 	}
@@ -191,6 +206,7 @@ func (this *FileList) Add(hash string, item *Item) error {
 		return err
 	}

+	this.memoryCache.Write(hash, 1, item.ExpiredAt)
 	atomic.AddInt64(&this.total, 1)

 	if this.onAdd != nil {
@@ -200,7 +216,7 @@ func (this *FileList) Add(hash string, item *Item) error {
 }

 func (this *FileList) Exist(hash string) (bool, error) {
-	if this.isClosed {
+	if !this.isReady {
 		return false, nil
 	}

@@ -230,7 +246,7 @@ func (this *FileList) Exist(hash string) (bool, error) {

 // CleanPrefix 清理某个前缀的缓存数据
 func (this *FileList) CleanPrefix(prefix string) error {
-	if this.isClosed {
+	if !this.isReady {
 		return nil
 	}

@@ -243,8 +259,10 @@ func (this *FileList) CleanPrefix(prefix string) error {
 	}()

 	var count = int64(10000)
+	var staleLife = 600             // TODO 需要可以设置
+	var unixTime = utils.UnixTime() // 只删除当前的，不删除新的
 	for {
-		result, err := this.db.Exec(`UPDATE "`+this.itemsTableName+`" SET expiredAt=0 WHERE id IN (SELECT id FROM "`+this.itemsTableName+`" WHERE expiredAt>0 AND createdAt<=? AND INSTR("key", ?)=1 LIMIT `+strconv.FormatInt(count, 10)+`)`, utils.UnixTime(), prefix)
+		result, err := this.db.Exec(`UPDATE "`+this.itemsTableName+`" SET expiredAt=0,staleAt=? WHERE id IN (SELECT id FROM "`+this.itemsTableName+`" WHERE expiredAt>0 AND createdAt<=? AND INSTR("key", ?)=1 LIMIT `+types.String(count)+`)`, unixTime+int64(staleLife), unixTime, prefix)
 		if err != nil {
 			return err
 		}
@@ -259,7 +277,7 @@ func (this *FileList) CleanPrefix(prefix string) error {
 }

 func (this *FileList) Remove(hash string) error {
-	if this.isClosed {
+	if !this.isReady {
 		return nil
 	}

@@ -303,7 +321,7 @@ func (this *FileList) Remove(hash string) error {
 // count 每次遍历的最大数量，控制此数字可以保证每次清理的时候不用花太多时间
 // callback 每次发现过期key的调用
 func (this *FileList) Purge(count int, callback func(hash string) error) (int, error) {
-	if this.isClosed {
+	if !this.isReady {
 		return 0, nil
 	}

@@ -347,7 +365,7 @@ func (this *FileList) Purge(count int, callback func(hash string) error) (int, e
 }

 func (this *FileList) PurgeLFU(count int, callback func(hash string) error) error {
-	if this.isClosed {
+	if !this.isReady {
 		return nil
 	}

@@ -390,7 +408,7 @@ func (this *FileList) PurgeLFU(count int, callback func(hash string) error) erro
 }

 func (this *FileList) CleanAll() error {
-	if this.isClosed {
+	if !this.isReady {
 		return nil
 	}

@@ -405,7 +423,7 @@ func (this *FileList) CleanAll() error {
 }

 func (this *FileList) Stat(check func(hash string) bool) (*Stat, error) {
-	if this.isClosed {
+	if !this.isReady {
 		return &Stat{}, nil
 	}

@@ -448,6 +466,7 @@ func (this *FileList) OnRemove(f func(item *Item)) {

 func (this *FileList) Close() error {
 	this.isClosed = true
+	this.isReady = false

 	this.memoryCache.Destroy()

@@ -472,7 +491,16 @@ func (this *FileList) Close() error {

 // 初始化
 func (this *FileList) initTables(db *sql.DB, times int) error {
+	// 检查是否存在
+	_, err := db.Exec(`SELECT id FROM "` + this.itemsTableName + `" LIMIT 1`)
+	var notFound = false
+	if err != nil {
+		notFound = true
+	}
+
 	{
+		// expiredAt - 过期时间，用来判断有无过期
+		// staleAt - 陈旧最大时间，用来清理缓存
 		_, err := db.Exec(`CREATE TABLE IF NOT EXISTS "` + this.itemsTableName + `" (
  "id" integer NOT NULL PRIMARY KEY AUTOINCREMENT,
  "hash" varchar(32),
@@ -481,6 +509,7 @@ func (this *FileList) initTables(db *sql.DB, times int) error {
  "bodySize" integer DEFAULT 0,
  "metaSize" integer DEFAULT 0,
  "expiredAt" integer DEFAULT 0,
+  "staleAt" integer DEFAULT 0,
  "createdAt" integer DEFAULT 0,
  "host" varchar(128),
  "serverId" integer
@@ -496,6 +525,11 @@ ON "` + this.itemsTableName + `" (
  "expiredAt" ASC
 );

+CREATE INDEX IF NOT EXISTS "staleAt"
+ON "` + this.itemsTableName + `" (
+  "staleAt" ASC
+);
+
 CREATE UNIQUE INDEX IF NOT EXISTS "hash"
 ON "` + this.itemsTableName + `" (
  "hash" ASC
@@ -506,6 +540,7 @@ ON "` + this.itemsTableName + `" (
  "serverId" ASC
 );
 `)
+
 		if err != nil {
 			// 尝试删除重建
 			if times < 3 {
@@ -520,6 +555,17 @@ ON "` + this.itemsTableName + `" (
 		}
 	}

+	// 如果数据为空，从老数据中加载数据
+	if notFound {
+		// v2 => v3
+		remotelogs.Println("CACHE", "transferring old data from v2 to v3 ...")
+		result, err := db.Exec(`INSERT INTO "` + this.itemsTableName + `" ("id", "hash", "key", "headerSize", "bodySize", "metaSize", "expiredAt", "createdAt", "host", "serverId", "staleAt") SELECT "id", "hash", "key", "headerSize", "bodySize", "metaSize", "expiredAt", "createdAt", "host", "serverId", "expiredAt"+600 FROM cacheItems_v2`)
+		if err == nil {
+			count, _ := result.RowsAffected()
+			remotelogs.Println("CACHE", "transfer old data from v2 to v3 finished, "+types.String(count)+" rows transferred")
+		}
+	}
+
 	{
 		_, err := db.Exec(`CREATE TABLE IF NOT EXISTS "` + this.hitsTableName + `" (
  "id" integer NOT NULL PRIMARY KEY AUTOINCREMENT,
@@ -568,11 +614,11 @@ func (this *FileList) removeOldTables() error {
 		}
 		if lists.ContainsString(this.oldTables, name) {
 			// 异步执行
-			go func() {
+			goman.New(func() {
 				remotelogs.Println("CACHE", "remove old table '"+name+"' ...")
 				_, _ = this.db.Exec(`DROP TABLE "` + name + `"`)
 				remotelogs.Println("CACHE", "remove old table '"+name+"' done")
-			}()
+			})
 		}

 	}
--- a/internal/caches/list_file_test.go
+++ b/internal/caches/list_file_test.go
@@ -3,6 +3,7 @@
 package caches

 import (
+	"github.com/TeaOSLab/EdgeNode/internal/goman"
 	"github.com/iwind/TeaGo/Tea"
 	"github.com/iwind/TeaGo/rands"
 	"github.com/iwind/TeaGo/types"
@@ -127,7 +128,7 @@ func TestFileList_Exist_Many_DB(t *testing.T) {
 	}()

 	for i := 0; i < threads; i++ {
-		go func() {
+		goman.New(func() {
 			defer wg.Done()

 			for {
@@ -143,7 +144,7 @@ func TestFileList_Exist_Many_DB(t *testing.T) {
 					return
 				}
 			}
-		}()
+		})
 	}
 	wg.Wait()
 	t.Log("left:", count)
--- a/internal/caches/list_memory.go
+++ b/internal/caches/list_memory.go
@@ -1,6 +1,7 @@
 package caches

 import (
+	"github.com/TeaOSLab/EdgeNode/internal/zero"
 	"github.com/iwind/TeaGo/logs"
 	"strconv"
 	"strings"
@@ -15,7 +16,7 @@ type MemoryList struct {

 	itemMaps map[string]map[string]*Item // prefix => { hash => item }

-	weekItemMaps map[int32]map[string]bool // week => { hash => true }
+	weekItemMaps map[int32]map[string]zero.Zero // week => { hash => Zero }
 	minWeek      int32

 	prefixes []string
@@ -29,7 +30,7 @@ type MemoryList struct {
 func NewMemoryList() ListInterface {
 	return &MemoryList{
 		itemMaps:     map[string]map[string]*Item{},
-		weekItemMaps: map[int32]map[string]bool{},
+		weekItemMaps: map[int32]map[string]zero.Zero{},
 		minWeek:      currentWeek(),
 	}
 }
@@ -52,7 +53,7 @@ func (this *MemoryList) Reset() error {
 	for key := range this.itemMaps {
 		this.itemMaps[key] = map[string]*Item{}
 	}
-	this.weekItemMaps = map[int32]map[string]bool{}
+	this.weekItemMaps = map[int32]map[string]zero.Zero{}
 	this.locker.Unlock()

 	atomic.StoreInt64(&this.count, 0)
@@ -103,9 +104,9 @@ func (this *MemoryList) Add(hash string, item *Item) error {
 	// week map
 	wm, ok := this.weekItemMaps[item.Week]
 	if ok {
-		wm[hash] = true
+		wm[hash] = zero.New()
 	} else {
-		this.weekItemMaps[item.Week] = map[string]bool{hash: true}
+		this.weekItemMaps[item.Week] = map[string]zero.Zero{hash: zero.New()}
 	}

 	this.locker.Unlock()
@@ -381,9 +382,9 @@ func (this *MemoryList) IncreaseHit(hash string) error {
 			}
 			wm, ok = this.weekItemMaps[week]
 			if ok {
-				wm[hash] = true
+				wm[hash] = zero.New()
 			} else {
-				this.weekItemMaps[week] = map[string]bool{hash: true}
+				this.weekItemMaps[week] = map[string]zero.Zero{hash: zero.New()}
 			}
 		}

--- a/internal/caches/manager.go
+++ b/internal/caches/manager.go
@@ -3,8 +3,10 @@ package caches
 import (
 	"github.com/TeaOSLab/EdgeCommon/pkg/serverconfigs"
 	"github.com/TeaOSLab/EdgeCommon/pkg/serverconfigs/shared"
+	"github.com/TeaOSLab/EdgeNode/internal/events"
 	"github.com/TeaOSLab/EdgeNode/internal/remotelogs"
 	"github.com/iwind/TeaGo/lists"
+	"github.com/iwind/TeaGo/logs"
 	"github.com/iwind/TeaGo/types"
 	"strconv"
 	"sync"
@@ -12,6 +14,13 @@ import (

 var SharedManager = NewManager()

+func init() {
+	events.On(events.EventQuit, func() {
+		logs.Println("CACHE", "quiting cache manager")
+		SharedManager.UpdatePolicies([]*serverconfigs.HTTPCachePolicy{})
+	})
+}
+
 // Manager 缓存策略管理器
 type Manager struct {
 	// 全局配置
@@ -25,10 +34,12 @@ type Manager struct {

 // NewManager 获取管理器对象
 func NewManager() *Manager {
-	return &Manager{
+	var m = &Manager{
 		policyMap:  map[int64]*serverconfigs.HTTPCachePolicy{},
 		storageMap: map[int64]StorageInterface{},
 	}
+
+	return m
 }

 // UpdatePolicies 重新设置策略
@@ -74,7 +85,7 @@ func (this *Manager) UpdatePolicies(newPolicies []*serverconfigs.HTTPCachePolicy
 	for _, policy := range this.policyMap {
 		storage, ok := this.storageMap[policy.Id]
 		if !ok {
-			storage := this.NewStorageWithPolicy(policy)
+			storage = this.NewStorageWithPolicy(policy)
 			if storage == nil {
 				remotelogs.Error("CACHE", "can not find storage type '"+policy.Type+"'")
 				continue
@@ -95,7 +106,7 @@ func (this *Manager) UpdatePolicies(newPolicies []*serverconfigs.HTTPCachePolicy
 				delete(this.storageMap, policy.Id)

 				// 启动新的
-				storage := this.NewStorageWithPolicy(policy)
+				storage = this.NewStorageWithPolicy(policy)
 				if storage == nil {
 					remotelogs.Error("CACHE", "can not find storage type '"+policy.Type+"'")
 					continue
--- a/internal/caches/open_file.go
+++ b/internal/caches/open_file.go
@@ -0,0 +1,33 @@
+// Copyright 2022 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
+
+package caches
+
+import (
+	"io"
+	"os"
+)
+
+type OpenFile struct {
+	fp      *os.File
+	meta    []byte
+	header  []byte
+	version int64
+}
+
+func NewOpenFile(fp *os.File, meta []byte, header []byte) *OpenFile {
+	return &OpenFile{
+		fp:     fp,
+		meta:   meta,
+		header: header,
+	}
+}
+
+func (this *OpenFile) SeekStart() error {
+	_, err := this.fp.Seek(0, io.SeekStart)
+	return err
+}
+
+func (this *OpenFile) Close() error {
+	this.meta = nil
+	return this.fp.Close()
+}
--- a/internal/caches/open_file_cache.go
+++ b/internal/caches/open_file_cache.go
@@ -0,0 +1,161 @@
+// Copyright 2022 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
+
+package caches
+
+import (
+	"github.com/TeaOSLab/EdgeNode/internal/goman"
+	"github.com/TeaOSLab/EdgeNode/internal/utils/linkedlist"
+	"github.com/fsnotify/fsnotify"
+	"github.com/iwind/TeaGo/logs"
+	"github.com/iwind/TeaGo/types"
+	"path/filepath"
+	"sync"
+	"time"
+)
+
+type OpenFileCache struct {
+	poolMap  map[string]*OpenFilePool // file path => Pool
+	poolList *linkedlist.List
+	watcher  *fsnotify.Watcher
+
+	locker sync.Mutex
+
+	maxSize int
+	count   int
+}
+
+func NewOpenFileCache(maxSize int) (*OpenFileCache, error) {
+	if maxSize <= 0 {
+		maxSize = 16384
+	}
+
+	var cache = &OpenFileCache{
+		maxSize:  maxSize,
+		poolMap:  map[string]*OpenFilePool{},
+		poolList: linkedlist.NewList(),
+	}
+
+	watcher, err := fsnotify.NewWatcher()
+	if err != nil {
+		return nil, err
+	}
+	cache.watcher = watcher
+
+	goman.New(func() {
+		for event := range watcher.Events {
+			if event.Op&fsnotify.Chmod != fsnotify.Chmod {
+				cache.Close(event.Name)
+			}
+		}
+	})
+
+	return cache, nil
+}
+
+func (this *OpenFileCache) Get(filename string) *OpenFile {
+	this.locker.Lock()
+	defer this.locker.Unlock()
+	pool, ok := this.poolMap[filename]
+	if ok {
+		file, consumed := pool.Get()
+		if consumed {
+			this.count--
+		}
+		return file
+	}
+	return nil
+}
+
+func (this *OpenFileCache) Put(filename string, file *OpenFile) {
+	this.locker.Lock()
+	defer this.locker.Unlock()
+
+	pool, ok := this.poolMap[filename]
+	var success bool
+	if ok {
+		success = pool.Put(file)
+	} else {
+		_ = this.watcher.Add(filename)
+		pool = NewOpenFilePool(filename)
+		this.poolMap[filename] = pool
+		success = pool.Put(file)
+	}
+	this.poolList.Push(pool.linkItem)
+
+	// 检查长度
+	if success {
+		this.count++
+
+		// 如果超过当前容量，则关闭最早的
+		if this.count > this.maxSize {
+			var delta = this.maxSize / 100 // 清理1%
+			if delta == 0 {
+				delta = 1
+			}
+			for i := 0; i < delta; i++ {
+				var head = this.poolList.Head()
+				if head == nil {
+					break
+				}
+
+				var headPool = head.Value.(*OpenFilePool)
+				headFile, consumed := headPool.Get()
+				if consumed {
+					this.count--
+					if headFile != nil {
+						_ = headFile.Close()
+					}
+				}
+
+				if headPool.Len() == 0 {
+					delete(this.poolMap, headPool.filename)
+					this.poolList.Remove(head)
+					_ = this.watcher.Remove(headPool.filename)
+				}
+			}
+		}
+	}
+}
+
+func (this *OpenFileCache) Close(filename string) {
+	this.locker.Lock()
+
+	pool, ok := this.poolMap[filename]
+	if ok {
+		delete(this.poolMap, filename)
+		this.poolList.Remove(pool.linkItem)
+		_ = this.watcher.Remove(filename)
+		this.count -= pool.Len()
+	}
+
+	this.locker.Unlock()
+
+	// 在locker之外，提升性能
+	if ok {
+		pool.Close()
+	}
+}
+
+func (this *OpenFileCache) CloseAll() {
+	this.locker.Lock()
+	for _, pool := range this.poolMap {
+		pool.Close()
+	}
+	this.poolMap = map[string]*OpenFilePool{}
+	this.poolList.Reset()
+	_ = this.watcher.Close()
+	this.locker.Unlock()
+}
+
+func (this *OpenFileCache) Debug() {
+	var ticker = time.NewTicker(5 * time.Second)
+	goman.New(func() {
+		for range ticker.C {
+			logs.Println("==== " + types.String(this.count) + " ====")
+			this.poolList.Range(func(item *linkedlist.Item) (goNext bool) {
+				logs.Println(filepath.Base(item.Value.(*OpenFilePool).Filename()), item.Value.(*OpenFilePool).Len())
+				return true
+			})
+		}
+	})
+}
--- a/internal/caches/open_file_pool.go
+++ b/internal/caches/open_file_pool.go
@@ -0,0 +1,76 @@
+// Copyright 2022 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
+
+package caches
+
+import (
+	"github.com/TeaOSLab/EdgeNode/internal/utils"
+	"github.com/TeaOSLab/EdgeNode/internal/utils/linkedlist"
+)
+
+type OpenFilePool struct {
+	c        chan *OpenFile
+	linkItem *linkedlist.Item
+	filename string
+	version  int64
+}
+
+func NewOpenFilePool(filename string) *OpenFilePool {
+	var pool = &OpenFilePool{
+		filename: filename,
+		c:        make(chan *OpenFile, 1024),
+		version:  utils.UnixTimeMilli(),
+	}
+	pool.linkItem = linkedlist.NewItem(pool)
+	return pool
+}
+
+func (this *OpenFilePool) Filename() string {
+	return this.filename
+}
+
+func (this *OpenFilePool) Get() (*OpenFile, bool) {
+	select {
+	case file := <-this.c:
+		err := file.SeekStart()
+		if err != nil {
+			_ = file.Close()
+			return nil, true
+		}
+		file.version = this.version
+
+		return file, true
+	default:
+		return nil, false
+	}
+}
+
+func (this *OpenFilePool) Put(file *OpenFile) bool {
+	if file.version > 0 && file.version != this.version {
+		_ = file.Close()
+		return false
+	}
+	select {
+	case this.c <- file:
+		return true
+	default:
+		// 多余的直接关闭
+		_ = file.Close()
+		return false
+	}
+}
+
+func (this *OpenFilePool) Len() int {
+	return len(this.c)
+}
+
+func (this *OpenFilePool) Close() {
+Loop:
+	for {
+		select {
+		case file := <-this.c:
+			_ = file.Close()
+		default:
+			break Loop
+		}
+	}
+}
--- a/internal/caches/open_file_pool_test.go
+++ b/internal/caches/open_file_pool_test.go
@@ -0,0 +1,17 @@
+// Copyright 2022 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
+
+package caches_test
+
+import (
+	"github.com/TeaOSLab/EdgeNode/internal/caches"
+	"testing"
+)
+
+func TestOpenFilePool_Get(t *testing.T) {
+	var pool = caches.NewOpenFilePool("a")
+	t.Log(pool.Filename())
+	t.Log(pool.Get())
+	t.Log(pool.Put(caches.NewOpenFile(nil, nil, []byte{})))
+	t.Log(pool.Get())
+	t.Log(pool.Get())
+}
--- a/internal/caches/partial_ranges.go
+++ b/internal/caches/partial_ranges.go
@@ -0,0 +1,143 @@
+// Copyright 2022 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
+
+package caches
+
+import (
+	"encoding/json"
+)
+
+// PartialRanges 内容分区范围定义
+type PartialRanges struct {
+	ranges [][2]int64
+}
+
+// NewPartialRanges 获取新对象
+func NewPartialRanges() *PartialRanges {
+	return &PartialRanges{ranges: [][2]int64{}}
+}
+
+// NewPartialRangesFromJSON 从JSON中解析范围
+func NewPartialRangesFromJSON(data []byte) (*PartialRanges, error) {
+	var rs = [][2]int64{}
+	err := json.Unmarshal(data, &rs)
+	if err != nil {
+		return nil, err
+	}
+	var r = NewPartialRanges()
+	r.ranges = rs
+	return r, nil
+}
+
+// Add 添加新范围
+func (this *PartialRanges) Add(begin int64, end int64) {
+	if begin > end {
+		begin, end = end, begin
+	}
+
+	var nr = [2]int64{begin, end}
+
+	var count = len(this.ranges)
+	if count == 0 {
+		this.ranges = [][2]int64{nr}
+		return
+	}
+
+	// insert
+	// TODO 将来使用二分法改进
+	var index = -1
+	for i, r := range this.ranges {
+		if r[0] > begin || (r[0] == begin && r[1] >= end) {
+			index = i
+			this.ranges = append(this.ranges, [2]int64{})
+			copy(this.ranges[index+1:], this.ranges[index:])
+			this.ranges[index] = nr
+			break
+		}
+	}
+
+	if index == -1 {
+		index = count
+		this.ranges = append(this.ranges, nr)
+	}
+
+	this.merge(index)
+}
+
+// Ranges 获取所有范围
+func (this *PartialRanges) Ranges() [][2]int64 {
+	return this.ranges
+}
+
+// Contains 检查是否包含某个范围
+func (this *PartialRanges) Contains(begin int64, end int64) bool {
+	if len(this.ranges) == 0 {
+		return true
+	}
+
+	// TODO 使用二分法查找改进性能
+	for _, r2 := range this.ranges {
+		if r2[0] <= begin && r2[1] >= end {
+			return true
+		}
+	}
+
+	return false
+}
+
+// AsJSON 转换为JSON
+func (this *PartialRanges) AsJSON() ([]byte, error) {
+	return json.Marshal(this.ranges)
+}
+
+func (this *PartialRanges) merge(index int) {
+	// forward
+	var lastIndex = index
+	for i := index; i >= 1; i-- {
+		var curr = this.ranges[i]
+		var prev = this.ranges[i-1]
+		var w1 = this.w(curr)
+		var w2 = this.w(prev)
+		if w1+w2 >= this.max(curr[1], prev[1])-this.min(curr[0], prev[0])-1 {
+			prev = [2]int64{this.min(curr[0], prev[0]), this.max(curr[1], prev[1])}
+			this.ranges[i-1] = prev
+			this.ranges = append(this.ranges[:i], this.ranges[i+1:]...)
+			lastIndex = i - 1
+		} else {
+			break
+		}
+	}
+
+	// backward
+	index = lastIndex
+	for index < len(this.ranges)-1 {
+		var curr = this.ranges[index]
+		var next = this.ranges[index+1]
+		var w1 = this.w(curr)
+		var w2 = this.w(next)
+		if w1+w2 >= this.max(curr[1], next[1])-this.min(curr[0], next[0])-1 {
+			curr = [2]int64{this.min(curr[0], next[0]), this.max(curr[1], next[1])}
+			this.ranges = append(this.ranges[:index], this.ranges[index+1:]...)
+			this.ranges[index] = curr
+		} else {
+			break
+		}
+	}
+}
+
+func (this *PartialRanges) w(r [2]int64) int64 {
+	return r[1] - r[0]
+}
+
+func (this *PartialRanges) min(n1 int64, n2 int64) int64 {
+	if n1 <= n2 {
+		return n1
+	}
+	return n2
+}
+
+func (this *PartialRanges) max(n1 int64, n2 int64) int64 {
+	if n1 >= n2 {
+		return n1
+	}
+	return n2
+}
--- a/internal/caches/partial_ranges_test.go
+++ b/internal/caches/partial_ranges_test.go
@@ -0,0 +1,124 @@
+// Copyright 2022 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
+
+package caches_test
+
+import (
+	"github.com/TeaOSLab/EdgeNode/internal/caches"
+	"github.com/iwind/TeaGo/assert"
+	"github.com/iwind/TeaGo/logs"
+	"testing"
+)
+
+func TestNewPartialRanges(t *testing.T) {
+	var r = caches.NewPartialRanges()
+	r.Add(1, 100)
+	r.Add(50, 300)
+
+	r.Add(30, 80)
+	r.Add(30, 100)
+	r.Add(30, 400)
+	r.Add(1000, 10000)
+	r.Add(200, 1000)
+	r.Add(200, 10040)
+
+	logs.PrintAsJSON(r.Ranges())
+}
+
+func TestNewPartialRanges1(t *testing.T) {
+	var a = assert.NewAssertion(t)
+
+	var r = caches.NewPartialRanges()
+	r.Add(1, 100)
+	r.Add(1, 101)
+	r.Add(1, 102)
+	r.Add(2, 103)
+	r.Add(200, 300)
+	r.Add(1, 1000)
+
+	var rs = r.Ranges()
+	logs.PrintAsJSON(rs, t)
+	a.IsTrue(len(rs) == 1)
+	if len(rs) == 1 {
+		a.IsTrue(rs[0][0] == 1)
+		a.IsTrue(rs[0][1] == 1000)
+	}
+}
+
+func TestNewPartialRanges2(t *testing.T) {
+	// low -> high
+	var r = caches.NewPartialRanges()
+	r.Add(1, 100)
+	r.Add(1, 101)
+	r.Add(1, 102)
+	r.Add(2, 103)
+	r.Add(200, 300)
+	r.Add(301, 302)
+	r.Add(303, 304)
+	r.Add(250, 400)
+
+	var rs = r.Ranges()
+	logs.PrintAsJSON(rs, t)
+}
+
+func TestNewPartialRanges3(t *testing.T) {
+	// high -> low
+	var r = caches.NewPartialRanges()
+	r.Add(301, 302)
+	r.Add(303, 304)
+	r.Add(200, 300)
+	r.Add(250, 400)
+
+	var rs = r.Ranges()
+	logs.PrintAsJSON(rs, t)
+}
+
+func TestNewPartialRanges4(t *testing.T) {
+	// nearby
+	var r = caches.NewPartialRanges()
+	r.Add(301, 302)
+	r.Add(303, 304)
+	r.Add(305, 306)
+
+	r.Add(417, 417)
+	r.Add(410, 415)
+	r.Add(400, 409)
+
+	var rs = r.Ranges()
+	logs.PrintAsJSON(rs, t)
+	t.Log(r.Contains(400, 416))
+}
+
+func TestNewPartialRanges5(t *testing.T) {
+	var r = caches.NewPartialRanges()
+	for j := 0; j < 1000; j++ {
+		r.Add(int64(j), int64(j+100))
+	}
+	logs.PrintAsJSON(r.Ranges(), t)
+}
+
+func TestNewPartialRanges_AsJSON(t *testing.T) {
+	var r = caches.NewPartialRanges()
+	for j := 0; j < 1000; j++ {
+		r.Add(int64(j), int64(j+100))
+	}
+	data, err := r.AsJSON()
+	if err != nil {
+		t.Fatal(err)
+	}
+	t.Log(string(data))
+
+	r2, err := caches.NewPartialRangesFromJSON(data)
+	if err != nil {
+		t.Fatal(err)
+	}
+	t.Log(r2.Ranges())
+}
+
+func BenchmarkNewPartialRanges(b *testing.B) {
+	for i := 0; i < b.N; i++ {
+		var r = caches.NewPartialRanges()
+		for j := 0; j < 1000; j++ {
+			r.Add(int64(j), int64(j+100))
+		}
+	}
+}
--- a/internal/caches/reader.go
+++ b/internal/caches/reader.go
@@ -24,6 +24,9 @@ type Reader interface {
 	// ReadBody 读取Body
 	ReadBody(buf []byte, callback ReaderFunc) error

+	// Read 实现io.Reader接口
+	Read(buf []byte) (int, error)
+
 	// ReadBodyRange 读取某个范围内的Body
 	ReadBodyRange(buf []byte, start int64, end int64, callback ReaderFunc) error

--- a/internal/caches/reader_file.go
+++ b/internal/caches/reader_file.go
@@ -11,6 +11,12 @@ import (
 type FileReader struct {
 	fp *os.File

+	openFile      *OpenFile
+	openFileCache *OpenFileCache
+
+	meta   []byte
+	header []byte
+
 	expiresAt    int64
 	status       int
 	headerOffset int64
@@ -18,8 +24,7 @@ type FileReader struct {
 	bodySize     int64
 	bodyOffset   int64

-	bodyBufLen int
-	bodyBuf    []byte
+	isClosed bool
 }

 func NewFileReader(fp *os.File) *FileReader {
@@ -27,21 +32,36 @@ func NewFileReader(fp *os.File) *FileReader {
 }

 func (this *FileReader) Init() error {
+	return this.InitAutoDiscard(true)
+}
+
+func (this *FileReader) InitAutoDiscard(autoDiscard bool) error {
+	if this.openFile != nil {
+		this.meta = this.openFile.meta
+		this.header = this.openFile.header
+	}
+
 	isOk := false

-	defer func() {
-		if !isOk {
-			_ = this.discard()
-		}
-	}()
-
-	var buf = make([]byte, SizeMeta)
-	ok, err := this.readToBuff(this.fp, buf)
-	if err != nil {
-		return err
+	if autoDiscard {
+		defer func() {
+			if !isOk {
+				_ = this.discard()
+			}
+		}()
 	}
-	if !ok {
-		return ErrNotFound
+
+	var buf = this.meta
+	if len(buf) == 0 {
+		buf = make([]byte, SizeMeta)
+		ok, err := this.readToBuff(this.fp, buf)
+		if err != nil {
+			return err
+		}
+		if !ok {
+			return ErrNotFound
+		}
+		this.meta = buf
 	}

 	this.expiresAt = int64(binary.BigEndian.Uint32(buf[:SizeExpiresAt]))
@@ -64,13 +84,28 @@ func (this *FileReader) Init() error {
 	this.headerOffset = int64(SizeMeta) + int64(urlLength)

 	// body
+	this.bodyOffset = this.headerOffset + int64(headerSize)
 	bodySize := int(binary.BigEndian.Uint64(buf[SizeExpiresAt+SizeStatus+SizeURLLength+SizeHeaderLength : SizeExpiresAt+SizeStatus+SizeURLLength+SizeHeaderLength+SizeBodyLength]))
 	if bodySize == 0 {
 		isOk = true
 		return nil
 	}
 	this.bodySize = int64(bodySize)
-	this.bodyOffset = this.headerOffset + int64(headerSize)
+
+	// read header
+	if this.openFileCache != nil && len(this.header) == 0 {
+		if headerSize > 0 && headerSize <= 512 {
+			this.header = make([]byte, headerSize)
+			_, err := this.fp.Seek(this.headerOffset, io.SeekStart)
+			if err != nil {
+				return err
+			}
+			_, err = this.readToBuff(this.fp, this.header)
+			if err != nil {
+				return err
+			}
+		}
+	}

 	isOk = true

@@ -106,6 +141,22 @@ func (this *FileReader) BodySize() int64 {
 }

 func (this *FileReader) ReadHeader(buf []byte, callback ReaderFunc) error {
+	// 使用缓存
+	if len(this.header) > 0 && len(buf) >= len(this.header) {
+		copy(buf, this.header)
+		_, err := callback(len(this.header))
+		if err != nil {
+			return err
+		}
+
+		// 移动到Body位置
+		_, err = this.fp.Seek(this.bodyOffset, io.SeekStart)
+		if err != nil {
+			return err
+		}
+		return nil
+	}
+
 	isOk := false

 	defer func() {
@@ -135,10 +186,6 @@ func (this *FileReader) ReadHeader(buf []byte, callback ReaderFunc) error {
 				}
 				headerSize -= n
 			} else {
-				if n > headerSize {
-					this.bodyBuf = buf[headerSize:]
-					this.bodyBufLen = n - headerSize
-				}
 				_, e := callback(headerSize)
 				if e != nil {
 					isOk = true
@@ -157,6 +204,12 @@ func (this *FileReader) ReadHeader(buf []byte, callback ReaderFunc) error {

 	isOk = true

+	// 移动到Body位置
+	_, err = this.fp.Seek(this.bodyOffset, io.SeekStart)
+	if err != nil {
+		return err
+	}
+
 	return nil
 }

@@ -169,27 +222,7 @@ func (this *FileReader) ReadBody(buf []byte, callback ReaderFunc) error {
 		}
 	}()

-	offset := this.bodyOffset
-
-	// 直接返回从Header中剩余的
-	if this.bodyBufLen > 0 && len(buf) >= this.bodyBufLen {
-		offset += int64(this.bodyBufLen)
-
-		copy(buf, this.bodyBuf)
-		isOk = true
-
-		goNext, err := callback(this.bodyBufLen)
-		if err != nil {
-			return err
-		}
-		if !goNext {
-			return nil
-		}
-
-		if this.bodySize <= int64(this.bodyBufLen) {
-			return nil
-		}
-	}
+	var offset = this.bodyOffset

 	// 开始读Body部分
 	_, err := this.fp.Seek(offset, io.SeekStart)
@@ -222,6 +255,14 @@ func (this *FileReader) ReadBody(buf []byte, callback ReaderFunc) error {
 	return nil
 }

+func (this *FileReader) Read(buf []byte) (n int, err error) {
+	n, err = this.fp.Read(buf)
+	if err != nil && err != io.EOF {
+		_ = this.discard()
+	}
+	return
+}
+
 func (this *FileReader) ReadBodyRange(buf []byte, start int64, end int64, callback ReaderFunc) error {
 	isOk := false

@@ -292,6 +333,19 @@ func (this *FileReader) ReadBodyRange(buf []byte, start int64, end int64, callba
 }

 func (this *FileReader) Close() error {
+	if this.openFileCache != nil {
+		if this.isClosed {
+			return nil
+		}
+		this.isClosed = true
+
+		if this.openFile != nil {
+			this.openFileCache.Put(this.fp.Name(), this.openFile)
+		} else {
+			this.openFileCache.Put(this.fp.Name(), NewOpenFile(this.fp, this.meta, this.header))
+		}
+		return nil
+	}
 	return this.fp.Close()
 }

@@ -306,5 +360,6 @@ func (this *FileReader) readToBuff(fp *os.File, buf []byte) (ok bool, err error)

 func (this *FileReader) discard() error {
 	_ = this.fp.Close()
+	this.isClosed = true
 	return os.Remove(this.fp.Name())
 }
--- a/internal/caches/reader_file_test.go
+++ b/internal/caches/reader_file_test.go
@@ -54,6 +54,30 @@ func TestFileReader(t *testing.T) {
 	}
 }

+func TestFileReader_ReadHeader(t *testing.T) {
+	var path = "/Users/WorkSpace/EdgeProject/EdgeCache/p43/12/6b/126bbed90fc80f2bdfb19558948b0d49.cache"
+	fp, err := os.Open(path)
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer func() {
+		_ = fp.Close()
+	}()
+	var reader = NewFileReader(fp)
+	err = reader.Init()
+	if err != nil {
+		t.Fatal(err)
+	}
+	var buf = make([]byte, 16*1024)
+	err = reader.ReadHeader(buf, func(n int) (goNext bool, err error) {
+		t.Log("header:", string(buf[:n]))
+		return
+	})
+	if err != nil {
+		t.Fatal(err)
+	}
+}
+
 func TestFileReader_Range(t *testing.T) {
 	storage := NewFileStorage(&serverconfigs.HTTPCachePolicy{
 		Id:   1,
--- a/internal/caches/reader_memory.go
+++ b/internal/caches/reader_memory.go
@@ -2,10 +2,13 @@ package caches

 import (
 	"errors"
+	"io"
 )

 type MemoryReader struct {
 	item *MemoryItem
+
+	offset int
 }

 func NewMemoryReader(item *MemoryItem) *MemoryReader {
@@ -111,6 +114,33 @@ func (this *MemoryReader) ReadBody(buf []byte, callback ReaderFunc) error {
 	return nil
 }

+func (this *MemoryReader) Read(buf []byte) (n int, err error) {
+	bufLen := len(buf)
+	if bufLen == 0 {
+		return 0, errors.New("using empty buffer")
+	}
+
+	bodySize := len(this.item.BodyValue)
+	left := bodySize - this.offset
+	if bufLen <= left {
+		copy(buf, this.item.BodyValue[this.offset:this.offset+bufLen])
+		n = bufLen
+
+		this.offset += bufLen
+		if this.offset >= bodySize {
+			err = io.EOF
+			return
+		}
+
+		return
+	} else {
+		copy(buf, this.item.BodyValue[this.offset:])
+		n = left
+		err = io.EOF
+		return
+	}
+}
+
 func (this *MemoryReader) ReadBodyRange(buf []byte, start int64, end int64, callback ReaderFunc) error {
 	offset := start
 	bodySize := int64(len(this.item.BodyValue))
--- a/internal/caches/storage_file.go
+++ b/internal/caches/storage_file.go
@@ -8,16 +8,18 @@ import (
 	"github.com/TeaOSLab/EdgeCommon/pkg/serverconfigs"
 	"github.com/TeaOSLab/EdgeCommon/pkg/serverconfigs/shared"
 	"github.com/TeaOSLab/EdgeNode/internal/events"
+	"github.com/TeaOSLab/EdgeNode/internal/goman"
 	"github.com/TeaOSLab/EdgeNode/internal/remotelogs"
 	"github.com/TeaOSLab/EdgeNode/internal/trackers"
 	"github.com/TeaOSLab/EdgeNode/internal/utils"
+	"github.com/TeaOSLab/EdgeNode/internal/zero"
 	"github.com/iwind/TeaGo/Tea"
+	"github.com/iwind/TeaGo/logs"
 	"github.com/iwind/TeaGo/rands"
 	"github.com/iwind/TeaGo/types"
 	stringutil "github.com/iwind/TeaGo/utils/string"
 	"golang.org/x/text/language"
 	"golang.org/x/text/message"
-	"io"
 	"math"
 	"os"
 	"path/filepath"
@@ -45,6 +47,9 @@ const (
 	HotItemSize = 1024
 )

+var sharedWritingFileKeyMap = map[string]zero.Zero{} // key => bool
+var sharedWritingFileKeyLocker = sync.Mutex{}
+
 // FileStorage 文件缓存
 //   文件结构：
 //    [expires time] | [ status ] | [url length] | [header length] | [body length] | [url] [header data] [body data]
@@ -54,23 +59,23 @@ type FileStorage struct {
 	memoryStorage *MemoryStorage                      // 一级缓存
 	totalSize     int64

-	list          ListInterface
-	writingKeyMap map[string]bool // key => bool
-	locker        sync.RWMutex
-	purgeTicker   *utils.Ticker
+	list        ListInterface
+	locker      sync.RWMutex
+	purgeTicker *utils.Ticker

 	hotMap       map[string]*HotItem // key => count
 	hotMapLocker sync.Mutex
 	lastHotSize  int
 	hotTicker    *utils.Ticker
+
+	openFileCache *OpenFileCache
 }

 func NewFileStorage(policy *serverconfigs.HTTPCachePolicy) *FileStorage {
 	return &FileStorage{
-		policy:        policy,
-		writingKeyMap: map[string]bool{},
-		hotMap:        map[string]*HotItem{},
-		lastHotSize:   -1,
+		policy:      policy,
+		hotMap:      map[string]*HotItem{},
+		lastHotSize: -1,
 	}
 }

@@ -97,13 +102,13 @@ func (this *FileStorage) Init() error {
 		return err
 	}
 	this.cacheConfig = cacheConfig
-	cacheDir := cacheConfig.Dir

 	if !filepath.IsAbs(this.cacheConfig.Dir) {
 		this.cacheConfig.Dir = Tea.Root + Tea.DS + this.cacheConfig.Dir
 	}

-	dir := this.cacheConfig.Dir
+	this.cacheConfig.Dir = filepath.Clean(this.cacheConfig.Dir)
+	var dir = this.cacheConfig.Dir

 	if len(dir) == 0 {
 		return errors.New("[CACHE]cache storage dir can not be empty")
@@ -156,7 +161,7 @@ func (this *FileStorage) Init() error {
 		} else if size > 1024 {
 			sizeMB = fmt.Sprintf("%.3f K", float64(size)/1024)
 		}
-		remotelogs.Println("CACHE", "init policy "+strconv.FormatInt(this.policy.Id, 10)+" from '"+cacheDir+"', cost: "+fmt.Sprintf("%.2f", cost)+" ms, count: "+message.NewPrinter(language.English).Sprintf("%d", count)+", size: "+sizeMB)
+		remotelogs.Println("CACHE", "init policy "+strconv.FormatInt(this.policy.Id, 10)+" from '"+this.cacheConfig.Dir+"', cost: "+fmt.Sprintf("%.2f", cost)+" ms, count: "+message.NewPrinter(language.English).Sprintf("%d", count)+", size: "+sizeMB)
 	}()

 	// 初始化list
@@ -199,17 +204,31 @@ func (this *FileStorage) Init() error {
 		}
 	}

+	// open file cache
+	if this.cacheConfig.OpenFileCache != nil && this.cacheConfig.OpenFileCache.IsOn && this.cacheConfig.OpenFileCache.Max > 0 {
+		this.openFileCache, err = NewOpenFileCache(this.cacheConfig.OpenFileCache.Max)
+		logs.Println("start open file cache")
+		if err != nil {
+			remotelogs.Error("CACHE", "open file cache failed: "+err.Error())
+		}
+	}
+
 	return nil
 }

-func (this *FileStorage) OpenReader(key string) (Reader, error) {
-	return this.openReader(key, true)
+func (this *FileStorage) OpenReader(key string, useStale bool) (Reader, error) {
+	return this.openReader(key, true, useStale)
 }

-func (this *FileStorage) openReader(key string, allowMemory bool) (Reader, error) {
+func (this *FileStorage) openReader(key string, allowMemory bool, useStale bool) (Reader, error) {
+	// 使用陈旧缓存的时候，我们认为是短暂的，只需要从文件里检查即可
+	if useStale {
+		allowMemory = false
+	}
+
 	// 先尝试内存缓存
 	if allowMemory && this.memoryStorage != nil {
-		reader, err := this.memoryStorage.OpenReader(key)
+		reader, err := this.memoryStorage.OpenReader(key, useStale)
 		if err == nil {
 			return reader, err
 		}
@@ -217,14 +236,35 @@ func (this *FileStorage) openReader(key string, allowMemory bool) (Reader, error

 	hash, path := this.keyPath(key)

-	// TODO 尝试使用mmap加快读取速度
-	var isOk = false
-	fp, err := os.OpenFile(path, os.O_RDONLY, 0444)
-	if err != nil {
-		if !os.IsNotExist(err) {
+	// 检查文件记录是否已过期
+	if !useStale {
+		exists, err := this.list.Exist(hash)
+		if err != nil {
 			return nil, err
 		}
-		return nil, ErrNotFound
+		if !exists {
+			return nil, ErrNotFound
+		}
+	}
+
+	// TODO 尝试使用mmap加快读取速度
+	var isOk = false
+	var openFile *OpenFile
+	if this.openFileCache != nil {
+		openFile = this.openFileCache.Get(path)
+	}
+	var fp *os.File
+	var err error
+	if openFile == nil {
+		fp, err = os.OpenFile(path, os.O_RDONLY, 0444)
+		if err != nil {
+			if !os.IsNotExist(err) {
+				return nil, err
+			}
+			return nil, ErrNotFound
+		}
+	} else {
+		fp = openFile.fp
 	}
 	defer func() {
 		if !isOk {
@@ -233,19 +273,9 @@ func (this *FileStorage) openReader(key string, allowMemory bool) (Reader, error
 		}
 	}()

-	// 检查文件记录是否已过期
-	exists, err := this.list.Exist(hash)
-	if err != nil {
-		return nil, err
-	}
-	if !exists {
-		return nil, ErrNotFound
-	}
-
-	reader := NewFileReader(fp)
-	if err != nil {
-		return nil, err
-	}
+	var reader = NewFileReader(fp)
+	reader.openFile = openFile
+	reader.openFileCache = this.openFileCache
 	err = reader.Init()
 	if err != nil {
 		return nil, err
@@ -295,31 +325,31 @@ func (this *FileStorage) openReader(key string, allowMemory bool) (Reader, error
 }

 // OpenWriter 打开缓存文件等待写入
-func (this *FileStorage) OpenWriter(key string, expiredAt int64, status int) (Writer, error) {
+func (this *FileStorage) OpenWriter(key string, expiredAt int64, status int, size int64, isPartial bool) (Writer, error) {
 	// 先尝试内存缓存
-	if this.memoryStorage != nil {
-		writer, err := this.memoryStorage.OpenWriter(key, expiredAt, status)
+	// 我们限定仅小文件优先存在内存中
+	if !isPartial && this.memoryStorage != nil && size > 0 && size < 32*1024*1024 {
+		writer, err := this.memoryStorage.OpenWriter(key, expiredAt, status, size, false)
 		if err == nil {
 			return writer, nil
 		}
 	}

 	// 是否正在写入
-	var isWriting = false
-	this.locker.Lock()
-	_, ok := this.writingKeyMap[key]
-	this.locker.Unlock()
+	var isOk = false
+	sharedWritingFileKeyLocker.Lock()
+	_, ok := sharedWritingFileKeyMap[key]
 	if ok {
+		sharedWritingFileKeyLocker.Unlock()
 		return nil, ErrFileIsWriting
 	}
-	this.locker.Lock()
-	this.writingKeyMap[key] = true
-	this.locker.Unlock()
+	sharedWritingFileKeyMap[key] = zero.New()
+	sharedWritingFileKeyLocker.Unlock()
 	defer func() {
-		if !isWriting {
-			this.locker.Lock()
-			delete(this.writingKeyMap, key)
-			this.locker.Unlock()
+		if !isOk {
+			sharedWritingFileKeyLocker.Lock()
+			delete(sharedWritingFileKeyMap, key)
+			sharedWritingFileKeyLocker.Unlock()
 		}
 	}()

@@ -331,13 +361,13 @@ func (this *FileStorage) OpenWriter(key string, expiredAt int64, status int) (Wr
 	if this.policy.MaxKeys > 0 && count > this.policy.MaxKeys {
 		return nil, NewCapacityError("write file cache failed: too many keys in cache storage")
 	}
-	capacityBytes := this.diskCapacityBytes()
+	var capacityBytes = this.diskCapacityBytes()
 	if capacityBytes > 0 && capacityBytes <= this.totalSize {
 		return nil, NewCapacityError("write file cache failed: over disk size, current total size: " + strconv.FormatInt(this.totalSize, 10) + " bytes, capacity: " + strconv.FormatInt(capacityBytes, 10))
 	}

-	hash := stringutil.Md5(key)
-	dir := this.cacheConfig.Dir + "/p" + strconv.FormatInt(this.policy.Id, 10) + "/" + hash[:2] + "/" + hash[2:4]
+	var hash = stringutil.Md5(key)
+	var dir = this.cacheConfig.Dir + "/p" + strconv.FormatInt(this.policy.Id, 10) + "/" + hash[:2] + "/" + hash[2:4]
 	_, err = os.Stat(dir)
 	if err != nil {
 		if !os.IsNotExist(err) {
@@ -349,21 +379,30 @@ func (this *FileStorage) OpenWriter(key string, expiredAt int64, status int) (Wr
 		}
 	}

+	// 检查缓存是否已经生成
+	var cachePath = dir + "/" + hash + ".cache"
+	stat, err := os.Stat(cachePath)
+	if err == nil && time.Now().Sub(stat.ModTime()) <= 1*time.Second {
+		// 防止并发连续写入
+		return nil, ErrFileIsWriting
+	}
+	var tmpPath = cachePath + ".tmp"
+	if isPartial {
+		tmpPath = cachePath
+	}
+
 	// 先删除
 	err = this.list.Remove(hash)
 	if err != nil {
 		return nil, err
 	}

-	path := dir + "/" + hash + ".cache.tmp"
-	writer, err := os.OpenFile(path, os.O_CREATE|os.O_SYNC|os.O_WRONLY, 0666)
+	writer, err := os.OpenFile(tmpPath, os.O_CREATE|os.O_SYNC|os.O_WRONLY, 0666)
 	if err != nil {
 		return nil, err
 	}
-	isWriting = true

-	isOk := false
-	removeOnFailure := true
+	var removeOnFailure = true
 	defer func() {
 		if err != nil {
 			isOk = false
@@ -373,7 +412,7 @@ func (this *FileStorage) OpenWriter(key string, expiredAt int64, status int) (Wr
 		if !isOk {
 			_ = writer.Close()
 			if removeOnFailure {
-				_ = os.Remove(path)
+				_ = os.Remove(tmpPath)
 			}
 		}
 	}()
@@ -385,71 +424,96 @@ func (this *FileStorage) OpenWriter(key string, expiredAt int64, status int) (Wr
 		return nil, ErrFileIsWriting
 	}

-	err = writer.Truncate(0)
-	if err != nil {
-		return nil, err
-	}
-
-	// 写入过期时间
-	bytes4 := make([]byte, 4)
-	{
-		binary.BigEndian.PutUint32(bytes4, uint32(expiredAt))
-		_, err = writer.Write(bytes4)
-		if err != nil {
-			return nil, err
+	// 是否已经有内容
+	var isNewCreated = true
+	var partialBodyOffset int64
+	if isPartial {
+		partialFP, err := os.OpenFile(tmpPath, os.O_RDONLY, 0444)
+		if err == nil {
+			var partialReader = NewFileReader(partialFP)
+			err = partialReader.InitAutoDiscard(false)
+			if err == nil && partialReader.bodyOffset > 0 {
+				isNewCreated = false
+				partialBodyOffset = partialReader.bodyOffset
+			}
+			_ = partialReader.Close()
 		}
 	}

-	// 写入状态码
-	if status > 999 || status < 100 {
-		status = 200
-	}
-	_, err = writer.WriteString(strconv.Itoa(status))
-	if err != nil {
-		return nil, err
-	}
-
-	// 写入URL长度
-	{
-		binary.BigEndian.PutUint32(bytes4, uint32(len(key)))
-		_, err = writer.Write(bytes4)
+	if isNewCreated {
+		err = writer.Truncate(0)
 		if err != nil {
 			return nil, err
 		}
-	}

-	// 写入Header Length
-	{
-		binary.BigEndian.PutUint32(bytes4, uint32(0))
-		_, err = writer.Write(bytes4)
+		// 写入过期时间
+		bytes4 := make([]byte, 4)
+		{
+			binary.BigEndian.PutUint32(bytes4, uint32(expiredAt))
+			_, err = writer.Write(bytes4)
+			if err != nil {
+				return nil, err
+			}
+		}
+
+		// 写入状态码
+		if status > 999 || status < 100 {
+			status = 200
+		}
+		_, err = writer.WriteString(strconv.Itoa(status))
 		if err != nil {
 			return nil, err
 		}
-	}

-	// 写入Body Length
-	{
-		b := make([]byte, SizeBodyLength)
-		binary.BigEndian.PutUint64(b, uint64(0))
-		_, err = writer.Write(b)
+		// 写入URL长度
+		{
+			binary.BigEndian.PutUint32(bytes4, uint32(len(key)))
+			_, err = writer.Write(bytes4)
+			if err != nil {
+				return nil, err
+			}
+		}
+
+		// 写入Header Length
+		{
+			binary.BigEndian.PutUint32(bytes4, uint32(0))
+			_, err = writer.Write(bytes4)
+			if err != nil {
+				return nil, err
+			}
+		}
+
+		// 写入Body Length
+		{
+			b := make([]byte, SizeBodyLength)
+			binary.BigEndian.PutUint64(b, uint64(0))
+			_, err = writer.Write(b)
+			if err != nil {
+				return nil, err
+			}
+		}
+
+		// 写入URL
+		_, err = writer.WriteString(key)
 		if err != nil {
 			return nil, err
 		}
 	}

-	// 写入URL
-	_, err = writer.WriteString(key)
-	if err != nil {
-		return nil, err
-	}
-
 	isOk = true
-
-	return NewFileWriter(writer, key, expiredAt, func() {
-		this.locker.Lock()
-		delete(this.writingKeyMap, key)
-		this.locker.Unlock()
-	}), nil
+	if isPartial {
+		return NewPartialFileWriter(writer, key, expiredAt, isNewCreated, isPartial, partialBodyOffset, func() {
+			sharedWritingFileKeyLocker.Lock()
+			delete(sharedWritingFileKeyMap, key)
+			sharedWritingFileKeyLocker.Unlock()
+		}), nil
+	} else {
+		return NewFileWriter(writer, key, expiredAt, func() {
+			sharedWritingFileKeyLocker.Lock()
+			delete(sharedWritingFileKeyMap, key)
+			sharedWritingFileKeyLocker.Unlock()
+		}), nil
+	}
 }

 // AddToList 添加到List
@@ -562,12 +626,12 @@ func (this *FileStorage) CleanAll() error {
 	}

 	// 重新遍历待删除
-	go func() {
+	goman.New(func() {
 		err = this.cleanDeletedDirs(dir)
 		if err != nil {
 			remotelogs.Warn("CACHE", "delete '*-deleted' dirs failed: "+err.Error())
 		}
-	}()
+	})

 	return nil
 }
@@ -609,6 +673,8 @@ func (this *FileStorage) Purge(keys []string, urlType string) error {

 // Stop 停止
 func (this *FileStorage) Stop() {
+	events.Remove(this)
+
 	this.locker.Lock()
 	defer this.locker.Unlock()

@@ -626,6 +692,10 @@ func (this *FileStorage) Stop() {
 	}

 	_ = this.list.Close()
+
+	if this.openFileCache != nil {
+		this.openFileCache.CloseAll()
+	}
 }

 // TotalDiskSize 消耗的磁盘尺寸
@@ -672,12 +742,12 @@ func (this *FileStorage) initList() error {
 	}

 	// 使用异步防止阻塞主线程
-	/**go func() {
+	/**goman.New(func() {
 		dir := this.dir()

 		// 清除tmp
 		// TODO 需要一个更加高效的实现
-	}()**/
+	})**/

 	// 启动定时清理任务
 	var autoPurgeInterval = this.policy.PersistenceAutoPurgeInterval
@@ -688,129 +758,46 @@ func (this *FileStorage) initList() error {
 		}
 	}
 	this.purgeTicker = utils.NewTicker(time.Duration(autoPurgeInterval) * time.Second)
-	events.On(events.EventQuit, func() {
+	events.OnKey(events.EventQuit, this, func() {
 		remotelogs.Println("CACHE", "quit clean timer")
-		var ticker = this.purgeTicker
-		if ticker != nil {
-			ticker.Stop()
+
+		{
+			var ticker = this.purgeTicker
+			if ticker != nil {
+				ticker.Stop()
+			}
+		}
+		{
+			var ticker = this.hotTicker
+			if ticker != nil {
+				ticker.Stop()
+			}
 		}
 	})
-	go func() {
+	goman.New(func() {
 		for this.purgeTicker.Next() {
 			trackers.Run("FILE_CACHE_STORAGE_PURGE_LOOP", func() {
 				this.purgeLoop()
 			})
 		}
-	}()
+	})

 	// 热点处理任务
 	this.hotTicker = utils.NewTicker(1 * time.Minute)
 	if Tea.IsTesting() {
 		this.hotTicker = utils.NewTicker(10 * time.Second)
 	}
-	go func() {
+	goman.New(func() {
 		for this.hotTicker.Next() {
 			trackers.Run("FILE_CACHE_STORAGE_HOT_LOOP", func() {
 				this.hotLoop()
 			})
 		}
-	}()
+	})

 	return nil
 }

-// 解析文件信息
-func (this *FileStorage) decodeFile(path string) (*Item, error) {
-	fp, err := os.OpenFile(path, os.O_RDONLY, 0444)
-	if err != nil {
-		return nil, err
-	}
-
-	isAllOk := false
-	defer func() {
-		_ = fp.Close()
-
-		if !isAllOk {
-			_ = os.Remove(path)
-		}
-	}()
-
-	item := &Item{
-		Type:     ItemTypeFile,
-		MetaSize: SizeMeta,
-	}
-
-	bytes4 := make([]byte, 4)
-
-	// 过期时间
-	ok, err := this.readToBuff(fp, bytes4)
-	if err != nil {
-		return nil, err
-	}
-	if !ok {
-		return nil, ErrNotFound
-	}
-	item.ExpiredAt = int64(binary.BigEndian.Uint32(bytes4))
-
-	// 是否已过期
-	if item.ExpiredAt < time.Now().Unix() {
-		return nil, ErrNotFound
-	}
-
-	// URL Size
-	_, err = fp.Seek(int64(SizeExpiresAt+SizeStatus), io.SeekStart)
-	if err != nil {
-		return nil, err
-	}
-	ok, err = this.readToBuff(fp, bytes4)
-	if err != nil {
-		return nil, err
-	}
-	if !ok {
-		return nil, ErrNotFound
-	}
-	urlSize := binary.BigEndian.Uint32(bytes4)
-
-	// Header Size
-	ok, err = this.readToBuff(fp, bytes4)
-	if err != nil {
-		return nil, err
-	}
-	if !ok {
-		return nil, ErrNotFound
-	}
-	item.HeaderSize = int64(binary.BigEndian.Uint32(bytes4))
-
-	// Body Size
-	bytes8 := make([]byte, 8)
-	ok, err = this.readToBuff(fp, bytes8)
-	if err != nil {
-		return nil, err
-	}
-	if !ok {
-		return nil, ErrNotFound
-	}
-	item.BodySize = int64(binary.BigEndian.Uint64(bytes8))
-
-	// URL
-	if urlSize > 0 {
-		data := utils.BytePool1024.Get()
-		result, ok, err := this.readN(fp, data, int(urlSize))
-		utils.BytePool1024.Put(data)
-		if err != nil {
-			return nil, err
-		}
-		if !ok {
-			return nil, ErrNotFound
-		}
-		item.Key = string(result)
-	}
-
-	isAllOk = true
-
-	return item, nil
-}
-
 // 清理任务
 func (this *FileStorage) purgeLoop() {
 	// 计算是否应该开启LFU清理
@@ -921,7 +908,7 @@ func (this *FileStorage) hotLoop() {
 	this.hotMap = map[string]*HotItem{}
 	this.hotMapLocker.Unlock()

-	// 取Top10
+	// 取Top10写入内存
 	if len(result) > 0 {
 		sort.Slice(result, func(i, j int) bool {
 			return result[i].Hits > result[j].Hits
@@ -933,9 +920,10 @@ func (this *FileStorage) hotLoop() {
 			size = len(result) / 10
 		}

-		var buf = make([]byte, 32*1024)
+		var buf = utils.BytePool16k.Get()
+		defer utils.BytePool16k.Put(buf)
 		for _, item := range result[:size] {
-			reader, err := this.openReader(item.Key, false)
+			reader, err := this.openReader(item.Key, false, false)
 			if err != nil {
 				continue
 			}
@@ -946,7 +934,7 @@ func (this *FileStorage) hotLoop() {
 				continue
 			}

-			writer, err := this.memoryStorage.openWriter(item.Key, item.ExpiresAt, item.Status, false)
+			writer, err := this.memoryStorage.openWriter(item.Key, item.ExpiresAt, item.Status, reader.BodySize(), false)
 			if err != nil {
 				if !CanIgnoreErr(err) {
 					remotelogs.Error("CACHE", "transfer hot item failed: "+err.Error())
@@ -971,6 +959,9 @@ func (this *FileStorage) hotLoop() {

 			err = reader.ReadBody(buf, func(n int) (goNext bool, err error) {
 				_, err = writer.Write(buf[:n])
+				if err == nil {
+					goNext = true
+				}
 				return
 			})
 			if err != nil {
@@ -993,34 +984,6 @@ func (this *FileStorage) hotLoop() {
 	}
 }

-func (this *FileStorage) readToBuff(fp *os.File, buf []byte) (ok bool, err error) {
-	n, err := fp.Read(buf)
-	if err != nil {
-		return false, err
-	}
-	ok = n == len(buf)
-	return
-}
-
-func (this *FileStorage) readN(fp *os.File, buf []byte, total int) (result []byte, ok bool, err error) {
-	for {
-		n, err := fp.Read(buf)
-		if err != nil {
-			return nil, false, err
-		}
-		if n > 0 {
-			if n >= total {
-				result = append(result, buf[:total]...)
-				ok = true
-				return result, ok, nil
-			} else {
-				total -= n
-				result = append(result, buf[:n]...)
-			}
-		}
-	}
-}
-
 func (this *FileStorage) diskCapacityBytes() int64 {
 	c1 := this.policy.CapacityBytes()
 	if SharedManager.MaxDiskCapacity != nil {
--- a/internal/caches/storage_file_test.go
+++ b/internal/caches/storage_file_test.go
@@ -62,7 +62,7 @@ func TestFileStorage_OpenWriter(t *testing.T) {

 	header := []byte("Header")
 	body := []byte("This is Body")
-	writer, err := storage.OpenWriter("my-key", time.Now().Unix()+86400, 200)
+	writer, err := storage.OpenWriter("my-key", time.Now().Unix()+86400, 200, -1, false)
 	if err != nil {
 		t.Fatal(err)
 	}
@@ -87,6 +87,41 @@ func TestFileStorage_OpenWriter(t *testing.T) {
 	t.Log("ok")
 }

+func TestFileStorage_OpenWriter_Partial(t *testing.T) {
+	var storage = NewFileStorage(&serverconfigs.HTTPCachePolicy{
+		Id:   2,
+		IsOn: true,
+		Options: map[string]interface{}{
+			"dir": Tea.Root + "/caches",
+		},
+	})
+	err := storage.Init()
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	writer, err := storage.OpenWriter("my-key", time.Now().Unix()+86400, 200, -1, true)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	_, err = writer.WriteHeader([]byte("Content-Type:text/html; charset=utf-8"))
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	err = writer.WriteAt([]byte("Hello, World"), 0)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	err = writer.Close()
+	if err != nil {
+		t.Fatal(err)
+	}
+	t.Log(writer)
+}
+
 func TestFileStorage_OpenWriter_HTTP(t *testing.T) {
 	storage := NewFileStorage(&serverconfigs.HTTPCachePolicy{
 		Id:   1,
@@ -104,7 +139,7 @@ func TestFileStorage_OpenWriter_HTTP(t *testing.T) {
 		t.Log(time.Since(now).Seconds()*1000, "ms")
 	}()

-	writer, err := storage.OpenWriter("my-http-response", time.Now().Unix()+86400, 200)
+	writer, err := storage.OpenWriter("my-http-response", time.Now().Unix()+86400, 200, -1, false)
 	if err != nil {
 		t.Fatal(err)
 	}
@@ -177,10 +212,11 @@ func TestFileStorage_Concurrent_Open_DifferentFile(t *testing.T) {
 		go func(i int) {
 			defer wg.Done()

-			writer, err := storage.OpenWriter("abc"+strconv.Itoa(i), time.Now().Unix()+3600, 200)
+			writer, err := storage.OpenWriter("abc"+strconv.Itoa(i), time.Now().Unix()+3600, 200, -1, false)
 			if err != nil {
 				if err != ErrFileIsWriting {
-					t.Fatal(err)
+					t.Error(err)
+					return
 				}
 				return
 			}
@@ -188,7 +224,8 @@ func TestFileStorage_Concurrent_Open_DifferentFile(t *testing.T) {

 			_, err = writer.Write([]byte("Hello,World"))
 			if err != nil {
-				t.Fatal(err)
+				t.Error(err)
+				return
 			}

 			// 故意造成慢速写入
@@ -196,7 +233,8 @@ func TestFileStorage_Concurrent_Open_DifferentFile(t *testing.T) {

 			err = writer.Close()
 			if err != nil {
-				t.Fatal(err)
+				t.Error(err)
+				return
 			}
 		}(i)
 	}
@@ -229,10 +267,11 @@ func TestFileStorage_Concurrent_Open_SameFile(t *testing.T) {
 		go func(i int) {
 			defer wg.Done()

-			writer, err := storage.OpenWriter("abc"+strconv.Itoa(0), time.Now().Unix()+3600, 200)
+			writer, err := storage.OpenWriter("abc"+strconv.Itoa(0), time.Now().Unix()+3600, 200, -1, false)
 			if err != nil {
 				if err != ErrFileIsWriting {
-					t.Fatal(err)
+					t.Error(err)
+					return
 				}
 				return
 			}
@@ -241,7 +280,8 @@ func TestFileStorage_Concurrent_Open_SameFile(t *testing.T) {
 			t.Log("writing")
 			_, err = writer.Write([]byte("Hello,World"))
 			if err != nil {
-				t.Fatal(err)
+				t.Error(err)
+				return
 			}

 			// 故意造成慢速写入
@@ -249,7 +289,8 @@ func TestFileStorage_Concurrent_Open_SameFile(t *testing.T) {

 			err = writer.Close()
 			if err != nil {
-				t.Fatal(err)
+				t.Error(err)
+				return
 			}
 		}(i)
 	}
@@ -270,7 +311,7 @@ func TestFileStorage_Read(t *testing.T) {
 		t.Fatal(err)
 	}
 	now := time.Now()
-	reader, err := storage.OpenReader("my-key")
+	reader, err := storage.OpenReader("my-key", false)
 	if err != nil {
 		t.Fatal(err)
 	}
@@ -306,7 +347,7 @@ func TestFileStorage_Read_HTTP_Response(t *testing.T) {
 		t.Fatal(err)
 	}
 	now := time.Now()
-	reader, err := storage.OpenReader("my-http-response")
+	reader, err := storage.OpenReader("my-http-response", false)
 	if err != nil {
 		t.Fatal(err)
 	}
@@ -360,7 +401,7 @@ func TestFileStorage_Read_NotFound(t *testing.T) {
 	}
 	now := time.Now()
 	buf := make([]byte, 6)
-	reader, err := storage.OpenReader("my-key-10000")
+	reader, err := storage.OpenReader("my-key-10000", false)
 	if err != nil {
 		if err == ErrNotFound {
 			t.Log("cache not fund")
@@ -482,11 +523,7 @@ func TestFileStorage_DecodeFile(t *testing.T) {
 		t.Fatal(err)
 	}
 	_, path := storage.keyPath("my-key")
-	item, err := storage.decodeFile(path)
-	if err != nil {
-		t.Fatal(err)
-	}
-	logs.PrintAsJSON(item, t)
+	t.Log(path)
 }

 func BenchmarkFileStorage_Read(b *testing.B) {
@@ -506,7 +543,7 @@ func BenchmarkFileStorage_Read(b *testing.B) {
 		b.Fatal(err)
 	}
 	for i := 0; i < b.N; i++ {
-		reader, err := storage.OpenReader("my-key")
+		reader, err := storage.OpenReader("my-key", false)
 		if err != nil {
 			b.Fatal(err)
 		}
--- a/internal/caches/storage_interface.go
+++ b/internal/caches/storage_interface.go
@@ -10,10 +10,10 @@ type StorageInterface interface {
 	Init() error

 	// OpenReader 读取缓存
-	OpenReader(key string) (Reader, error)
+	OpenReader(key string, useStale bool) (reader Reader, err error)

 	// OpenWriter 打开缓存写入器等待写入
-	OpenWriter(key string, expiredAt int64, status int) (Writer, error)
+	OpenWriter(key string, expiredAt int64, status int, size int64, isPartial bool) (Writer, error)

 	// Delete 删除某个键值对应的缓存
 	Delete(key string) error
--- a/internal/caches/storage_memory.go
+++ b/internal/caches/storage_memory.go
@@ -3,9 +3,11 @@ package caches
 import (
 	"fmt"
 	"github.com/TeaOSLab/EdgeCommon/pkg/serverconfigs"
+	"github.com/TeaOSLab/EdgeNode/internal/goman"
 	"github.com/TeaOSLab/EdgeNode/internal/remotelogs"
 	"github.com/TeaOSLab/EdgeNode/internal/trackers"
 	"github.com/TeaOSLab/EdgeNode/internal/utils"
+	"github.com/TeaOSLab/EdgeNode/internal/zero"
 	"github.com/cespare/xxhash"
 	"github.com/iwind/TeaGo/rands"
 	"github.com/iwind/TeaGo/types"
@@ -43,7 +45,7 @@ type MemoryStorage struct {
 	purgeTicker *utils.Ticker

 	totalSize     int64
-	writingKeyMap map[string]bool // key => bool
+	writingKeyMap map[string]zero.Zero // key => bool
 }

 func NewMemoryStorage(policy *serverconfigs.HTTPCachePolicy, parentStorage StorageInterface) *MemoryStorage {
@@ -62,7 +64,7 @@ func NewMemoryStorage(policy *serverconfigs.HTTPCachePolicy, parentStorage Stora
 		locker:        &sync.RWMutex{},
 		valuesMap:     map[uint64]*MemoryItem{},
 		dirtyChan:     dirtyChan,
-		writingKeyMap: map[string]bool{},
+		writingKeyMap: map[string]zero.Zero{},
 	}
 }

@@ -84,26 +86,26 @@ func (this *MemoryStorage) Init() error {

 	// 启动定时清理任务
 	this.purgeTicker = utils.NewTicker(time.Duration(autoPurgeInterval) * time.Second)
-	go func() {
+	goman.New(func() {
 		for this.purgeTicker.Next() {
 			var tr = trackers.Begin("MEMORY_CACHE_STORAGE_PURGE_LOOP")
 			this.purgeLoop()
 			tr.End()
 		}
-	}()
+	})

 	// 启动定时Flush memory to disk任务
-	go func() {
+	goman.New(func() {
 		for hash := range this.dirtyChan {
 			this.flushItem(hash)
 		}
-	}()
+	})

 	return nil
 }

 // OpenReader 读取缓存
-func (this *MemoryStorage) OpenReader(key string) (Reader, error) {
+func (this *MemoryStorage) OpenReader(key string, useStale bool) (Reader, error) {
 	hash := this.hash(key)

 	this.locker.RLock()
@@ -113,7 +115,7 @@ func (this *MemoryStorage) OpenReader(key string) (Reader, error) {
 		return nil, ErrNotFound
 	}

-	if item.ExpiredAt > utils.UnixTime() {
+	if useStale || (item.ExpiredAt > utils.UnixTime()) {
 		reader := NewMemoryReader(item)
 		err := reader.Init()
 		if err != nil {
@@ -143,11 +145,15 @@ func (this *MemoryStorage) OpenReader(key string) (Reader, error) {
 }

 // OpenWriter 打开缓存写入器等待写入
-func (this *MemoryStorage) OpenWriter(key string, expiredAt int64, status int) (Writer, error) {
-	return this.openWriter(key, expiredAt, status, true)
+func (this *MemoryStorage) OpenWriter(key string, expiredAt int64, status int, size int64, isPartial bool) (Writer, error) {
+	// TODO 内存缓存暂时不支持分块内容存储
+	if isPartial {
+		return nil, ErrFileIsWriting
+	}
+	return this.openWriter(key, expiredAt, status, size, true)
 }

-func (this *MemoryStorage) openWriter(key string, expiredAt int64, status int, isDirty bool) (Writer, error) {
+func (this *MemoryStorage) openWriter(key string, expiredAt int64, status int, size int64, isDirty bool) (Writer, error) {
 	this.locker.Lock()
 	defer this.locker.Unlock()

@@ -157,7 +163,7 @@ func (this *MemoryStorage) openWriter(key string, expiredAt int64, status int, i
 	if ok {
 		return nil, ErrFileIsWriting
 	}
-	this.writingKeyMap[key] = true
+	this.writingKeyMap[key] = zero.New()
 	defer func() {
 		if !isWriting {
 			delete(this.writingKeyMap, key)
@@ -180,7 +186,10 @@ func (this *MemoryStorage) openWriter(key string, expiredAt int64, status int, i
 		return nil, NewCapacityError("write memory cache failed: too many keys in cache storage")
 	}
 	capacityBytes := this.memoryCapacityBytes()
-	if capacityBytes > 0 && capacityBytes <= this.totalSize {
+	if size < 0 {
+		size = 0
+	}
+	if capacityBytes > 0 && capacityBytes <= this.totalSize+size {
 		return nil, NewCapacityError("write memory cache failed: over memory size: " + strconv.FormatInt(capacityBytes, 10) + ", current size: " + strconv.FormatInt(this.totalSize, 10) + " bytes")
 	}

@@ -254,7 +263,7 @@ func (this *MemoryStorage) Stop() {
 	this.locker.Lock()

 	this.valuesMap = map[uint64]*MemoryItem{}
-	this.writingKeyMap = map[string]bool{}
+	this.writingKeyMap = map[string]zero.Zero{}
 	_ = this.list.Reset()
 	if this.purgeTicker != nil {
 		this.purgeTicker.Stop()
@@ -382,7 +391,7 @@ func (this *MemoryStorage) flushItem(key string) {
 		return
 	}

-	writer, err := this.parentStorage.OpenWriter(key, item.ExpiredAt, item.Status)
+	writer, err := this.parentStorage.OpenWriter(key, item.ExpiredAt, item.Status, -1, false)
 	if err != nil {
 		if !CanIgnoreErr(err) {
 			remotelogs.Error("CACHE", "flush items failed: open writer failed: "+err.Error())
--- a/internal/caches/storage_memory_test.go
+++ b/internal/caches/storage_memory_test.go
@@ -15,7 +15,7 @@ import (
 func TestMemoryStorage_OpenWriter(t *testing.T) {
 	storage := NewMemoryStorage(&serverconfigs.HTTPCachePolicy{}, nil)

-	writer, err := storage.OpenWriter("abc", time.Now().Unix()+60, 200)
+	writer, err := storage.OpenWriter("abc", time.Now().Unix()+60, 200, -1, false)
 	if err != nil {
 		t.Fatal(err)
 	}
@@ -25,7 +25,7 @@ func TestMemoryStorage_OpenWriter(t *testing.T) {
 	t.Log(storage.valuesMap)

 	{
-		reader, err := storage.OpenReader("abc")
+		reader, err := storage.OpenReader("abc", false)
 		if err != nil {
 			if err == ErrNotFound {
 				t.Log("not found: abc")
@@ -52,7 +52,7 @@ func TestMemoryStorage_OpenWriter(t *testing.T) {
 	}

 	{
-		_, err := storage.OpenReader("abc 2")
+		_, err := storage.OpenReader("abc 2", false)
 		if err != nil {
 			if err == ErrNotFound {
 				t.Log("not found: abc2")
@@ -62,13 +62,13 @@ func TestMemoryStorage_OpenWriter(t *testing.T) {
 		}
 	}

-	writer, err = storage.OpenWriter("abc", time.Now().Unix()+60, 200)
+	writer, err = storage.OpenWriter("abc", time.Now().Unix()+60, 200, -1, false)
 	if err != nil {
 		t.Fatal(err)
 	}
 	_, _ = writer.Write([]byte("Hello123"))
 	{
-		reader, err := storage.OpenReader("abc")
+		reader, err := storage.OpenReader("abc", false)
 		if err != nil {
 			if err == ErrNotFound {
 				t.Log("not found: abc")
@@ -97,13 +97,13 @@ func TestMemoryStorage_OpenReaderLock(t *testing.T) {
 			IsDone: true,
 		},
 	}
-	_, _ = storage.OpenReader("test")
+	_, _ = storage.OpenReader("test", false)
 }

 func TestMemoryStorage_Delete(t *testing.T) {
 	storage := NewMemoryStorage(&serverconfigs.HTTPCachePolicy{}, nil)
 	{
-		writer, err := storage.OpenWriter("abc", time.Now().Unix()+60, 200)
+		writer, err := storage.OpenWriter("abc", time.Now().Unix()+60, 200, -1, false)
 		if err != nil {
 			t.Fatal(err)
 		}
@@ -111,7 +111,7 @@ func TestMemoryStorage_Delete(t *testing.T) {
 		t.Log(len(storage.valuesMap))
 	}
 	{
-		writer, err := storage.OpenWriter("abc1", time.Now().Unix()+60, 200)
+		writer, err := storage.OpenWriter("abc1", time.Now().Unix()+60, 200, -1, false)
 		if err != nil {
 			t.Fatal(err)
 		}
@@ -126,7 +126,7 @@ func TestMemoryStorage_Stat(t *testing.T) {
 	storage := NewMemoryStorage(&serverconfigs.HTTPCachePolicy{}, nil)
 	expiredAt := time.Now().Unix() + 60
 	{
-		writer, err := storage.OpenWriter("abc", expiredAt, 200)
+		writer, err := storage.OpenWriter("abc", expiredAt, 200, -1, false)
 		if err != nil {
 			t.Fatal(err)
 		}
@@ -139,7 +139,7 @@ func TestMemoryStorage_Stat(t *testing.T) {
 		})
 	}
 	{
-		writer, err := storage.OpenWriter("abc1", expiredAt, 200)
+		writer, err := storage.OpenWriter("abc1", expiredAt, 200, -1, false)
 		if err != nil {
 			t.Fatal(err)
 		}
@@ -163,7 +163,7 @@ func TestMemoryStorage_CleanAll(t *testing.T) {
 	storage := NewMemoryStorage(&serverconfigs.HTTPCachePolicy{}, nil)
 	expiredAt := time.Now().Unix() + 60
 	{
-		writer, err := storage.OpenWriter("abc", expiredAt, 200)
+		writer, err := storage.OpenWriter("abc", expiredAt, 200, -1, false)
 		if err != nil {
 			t.Fatal(err)
 		}
@@ -175,7 +175,7 @@ func TestMemoryStorage_CleanAll(t *testing.T) {
 		})
 	}
 	{
-		writer, err := storage.OpenWriter("abc1", expiredAt, 200)
+		writer, err := storage.OpenWriter("abc1", expiredAt, 200, -1, false)
 		if err != nil {
 			t.Fatal(err)
 		}
@@ -198,7 +198,7 @@ func TestMemoryStorage_Purge(t *testing.T) {
 	storage := NewMemoryStorage(&serverconfigs.HTTPCachePolicy{}, nil)
 	expiredAt := time.Now().Unix() + 60
 	{
-		writer, err := storage.OpenWriter("abc", expiredAt, 200)
+		writer, err := storage.OpenWriter("abc", expiredAt, 200, -1, false)
 		if err != nil {
 			t.Fatal(err)
 		}
@@ -210,7 +210,7 @@ func TestMemoryStorage_Purge(t *testing.T) {
 		})
 	}
 	{
-		writer, err := storage.OpenWriter("abc1", expiredAt, 200)
+		writer, err := storage.OpenWriter("abc1", expiredAt, 200, -1, false)
 		if err != nil {
 			t.Fatal(err)
 		}
@@ -241,7 +241,7 @@ func TestMemoryStorage_Expire(t *testing.T) {
 	for i := 0; i < 1000; i++ {
 		expiredAt := time.Now().Unix() + int64(rands.Int(0, 60))
 		key := "abc" + strconv.Itoa(i)
-		writer, err := storage.OpenWriter(key, expiredAt, 200)
+		writer, err := storage.OpenWriter(key, expiredAt, 200, -1, false)
 		if err != nil {
 			t.Fatal(err)
 		}
--- a/internal/caches/writer.go
+++ b/internal/caches/writer.go
@@ -8,6 +8,9 @@ type Writer interface {
 	// Write 写入Body数据
 	Write(data []byte) (n int, err error)

+	// WriteAt 在指定位置写入数据
+	WriteAt(data []byte, offset int64) error
+
 	// HeaderSize 写入的Header数据大小
 	HeaderSize() int64

--- a/internal/caches/writer_compression.go
+++ b/internal/caches/writer_compression.go
@@ -1,76 +0,0 @@
-package caches
-
-import (
-	"github.com/TeaOSLab/EdgeNode/internal/compressions"
-)
-
-type compressionWriter struct {
-	rawWriter Writer
-	writer    compressions.Writer
-	key       string
-	expiredAt int64
-}
-
-func NewCompressionWriter(gw Writer, cpWriter compressions.Writer, key string, expiredAt int64) Writer {
-	return &compressionWriter{
-		rawWriter: gw,
-		writer:    cpWriter,
-		key:       key,
-		expiredAt: expiredAt,
-	}
-}
-
-func (this *compressionWriter) WriteHeader(data []byte) (n int, err error) {
-	return this.writer.Write(data)
-}
-
-// WriteHeaderLength 写入Header长度数据
-func (this *compressionWriter) WriteHeaderLength(headerLength int) error {
-	return nil
-}
-
-// WriteBodyLength 写入Body长度数据
-func (this *compressionWriter) WriteBodyLength(bodyLength int64) error {
-	return nil
-}
-
-func (this *compressionWriter) Write(data []byte) (n int, err error) {
-	return this.writer.Write(data)
-}
-
-func (this *compressionWriter) Close() error {
-	err := this.writer.Close()
-	if err != nil {
-		return err
-	}
-	return this.rawWriter.Close()
-}
-
-func (this *compressionWriter) Discard() error {
-	err := this.writer.Close()
-	if err != nil {
-		return err
-	}
-	return this.rawWriter.Discard()
-}
-
-func (this *compressionWriter) Key() string {
-	return this.key
-}
-
-func (this *compressionWriter) ExpiredAt() int64 {
-	return this.expiredAt
-}
-
-func (this *compressionWriter) HeaderSize() int64 {
-	return this.rawWriter.HeaderSize()
-}
-
-func (this *compressionWriter) BodySize() int64 {
-	return this.rawWriter.BodySize()
-}
-
-// ItemType 内容类型
-func (this *compressionWriter) ItemType() ItemType {
-	return this.rawWriter.ItemType()
-}
--- a/internal/caches/writer_file.go
+++ b/internal/caches/writer_file.go
@@ -2,10 +2,12 @@ package caches

 import (
 	"encoding/binary"
+	"errors"
 	"github.com/iwind/TeaGo/types"
 	"io"
 	"os"
 	"strings"
+	"sync"
 )

 type FileWriter struct {
@@ -15,6 +17,7 @@ type FileWriter struct {
 	bodySize   int64
 	expiredAt  int64
 	endFunc    func()
+	once       sync.Once
 }

 func NewFileWriter(rawWriter *os.File, key string, expiredAt int64, endFunc func()) *FileWriter {
@@ -63,6 +66,13 @@ func (this *FileWriter) Write(data []byte) (n int, err error) {
 	return
 }

+// WriteAt 在指定位置写入数据
+func (this *FileWriter) WriteAt(data []byte, offset int64) error {
+	_ = data
+	_ = offset
+	return errors.New("not supported")
+}
+
 // WriteBodyLength 写入Body长度数据
 func (this *FileWriter) WriteBodyLength(bodyLength int64) error {
 	bytes8 := make([]byte, 8)
@@ -82,18 +92,25 @@ func (this *FileWriter) WriteBodyLength(bodyLength int64) error {

 // Close 关闭
 func (this *FileWriter) Close() error {
-	defer this.endFunc()
+	defer this.once.Do(func() {
+		this.endFunc()
+	})
+
+	path := this.rawWriter.Name()

 	err := this.WriteHeaderLength(types.Int(this.headerSize))
 	if err != nil {
+		_ = this.rawWriter.Close()
+		_ = os.Remove(path)
 		return err
 	}
 	err = this.WriteBodyLength(this.bodySize)
 	if err != nil {
+		_ = this.rawWriter.Close()
+		_ = os.Remove(path)
 		return err
 	}

-	path := this.rawWriter.Name()
 	err = this.rawWriter.Close()
 	if err != nil {
 		_ = os.Remove(path)
@@ -109,7 +126,9 @@ func (this *FileWriter) Close() error {

 // Discard 丢弃
 func (this *FileWriter) Discard() error {
-	defer this.endFunc()
+	defer this.once.Do(func() {
+		this.endFunc()
+	})

 	_ = this.rawWriter.Close()

--- a/internal/caches/writer_memory.go
+++ b/internal/caches/writer_memory.go
@@ -1,7 +1,9 @@
 package caches

 import (
+	"errors"
 	"github.com/cespare/xxhash"
+	"sync"
 	"time"
 )

@@ -18,6 +20,7 @@ type MemoryWriter struct {
 	hash    uint64
 	item    *MemoryItem
 	endFunc func()
+	once    sync.Once
 }

 func NewMemoryWriter(memoryStorage *MemoryStorage, key string, expiredAt int64, status int, isDirty bool, endFunc func()) *MemoryWriter {
@@ -53,6 +56,13 @@ func (this *MemoryWriter) Write(data []byte) (n int, err error) {
 	return len(data), nil
 }

+// WriteAt 在指定位置写入数据
+func (this *MemoryWriter) WriteAt(b []byte, offset int64) error {
+	_ = b
+	_ = offset
+	return errors.New("not supported")
+}
+
 // HeaderSize 数据尺寸
 func (this *MemoryWriter) HeaderSize() int64 {
 	return this.headerSize
@@ -66,7 +76,9 @@ func (this *MemoryWriter) BodySize() int64 {
 // Close 关闭
 func (this *MemoryWriter) Close() error {
 	// 需要在Locker之外
-	defer this.endFunc()
+	defer this.once.Do(func() {
+		this.endFunc()
+	})

 	if this.item == nil {
 		return nil
@@ -92,7 +104,9 @@ func (this *MemoryWriter) Close() error {
 // Discard 丢弃
 func (this *MemoryWriter) Discard() error {
 	// 需要在Locker之外
-	defer this.endFunc()
+	defer this.once.Do(func() {
+		this.endFunc()
+	})

 	this.storage.locker.Lock()
 	delete(this.storage.valuesMap, this.hash)
--- a/internal/caches/writer_partial_file.go
+++ b/internal/caches/writer_partial_file.go
@@ -0,0 +1,173 @@
+// Copyright 2022 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
+
+package caches
+
+import (
+	"encoding/binary"
+	"github.com/iwind/TeaGo/types"
+	"io"
+	"os"
+	"strings"
+	"sync"
+)
+
+type PartialFileWriter struct {
+	rawWriter  *os.File
+	key        string
+	headerSize int64
+	bodySize   int64
+	expiredAt  int64
+	endFunc    func()
+	once       sync.Once
+
+	isNew      bool
+	isPartial  bool
+	bodyOffset int64
+}
+
+func NewPartialFileWriter(rawWriter *os.File, key string, expiredAt int64, isNew bool, isPartial bool, bodyOffset int64, endFunc func()) *PartialFileWriter {
+	return &PartialFileWriter{
+		key:        key,
+		rawWriter:  rawWriter,
+		expiredAt:  expiredAt,
+		endFunc:    endFunc,
+		isNew:      isNew,
+		isPartial:  isPartial,
+		bodyOffset: bodyOffset,
+	}
+}
+
+// WriteHeader 写入数据
+func (this *PartialFileWriter) WriteHeader(data []byte) (n int, err error) {
+	if !this.isNew {
+		return
+	}
+	n, err = this.rawWriter.Write(data)
+	this.headerSize += int64(n)
+	if err != nil {
+		_ = this.Discard()
+	}
+	return
+}
+
+// WriteHeaderLength 写入Header长度数据
+func (this *PartialFileWriter) WriteHeaderLength(headerLength int) error {
+	bytes4 := make([]byte, 4)
+	binary.BigEndian.PutUint32(bytes4, uint32(headerLength))
+	_, err := this.rawWriter.Seek(SizeExpiresAt+SizeStatus+SizeURLLength, io.SeekStart)
+	if err != nil {
+		_ = this.Discard()
+		return err
+	}
+	_, err = this.rawWriter.Write(bytes4)
+	if err != nil {
+		_ = this.Discard()
+		return err
+	}
+	return nil
+}
+
+// Write 写入数据
+func (this *PartialFileWriter) Write(data []byte) (n int, err error) {
+	n, err = this.rawWriter.Write(data)
+	this.bodySize += int64(n)
+	if err != nil {
+		_ = this.Discard()
+	}
+	return
+}
+
+// WriteAt 在指定位置写入数据
+func (this *PartialFileWriter) WriteAt(data []byte, offset int64) error {
+	if this.bodyOffset == 0 {
+		this.bodyOffset = SizeMeta + int64(len(this.key)) + this.headerSize
+	}
+	_, err := this.rawWriter.WriteAt(data, this.bodyOffset+offset)
+	return err
+}
+
+// WriteBodyLength 写入Body长度数据
+func (this *PartialFileWriter) WriteBodyLength(bodyLength int64) error {
+	bytes8 := make([]byte, 8)
+	binary.BigEndian.PutUint64(bytes8, uint64(bodyLength))
+	_, err := this.rawWriter.Seek(SizeExpiresAt+SizeStatus+SizeURLLength+SizeHeaderLength, io.SeekStart)
+	if err != nil {
+		_ = this.Discard()
+		return err
+	}
+	_, err = this.rawWriter.Write(bytes8)
+	if err != nil {
+		_ = this.Discard()
+		return err
+	}
+	return nil
+}
+
+// Close 关闭
+func (this *PartialFileWriter) Close() error {
+	defer this.once.Do(func() {
+		this.endFunc()
+	})
+
+	var path = this.rawWriter.Name()
+
+	if this.isNew {
+		err := this.WriteHeaderLength(types.Int(this.headerSize))
+		if err != nil {
+			_ = this.rawWriter.Close()
+			_ = os.Remove(path)
+			return err
+		}
+		err = this.WriteBodyLength(this.bodySize)
+		if err != nil {
+			_ = this.rawWriter.Close()
+			_ = os.Remove(path)
+			return err
+		}
+	}
+
+	err := this.rawWriter.Close()
+	if err != nil {
+		_ = os.Remove(path)
+	} else if !this.isPartial {
+		err = os.Rename(path, strings.Replace(path, ".tmp", "", 1))
+		if err != nil {
+			_ = os.Remove(path)
+		}
+	}
+
+	return err
+}
+
+// Discard 丢弃
+func (this *PartialFileWriter) Discard() error {
+	defer this.once.Do(func() {
+		this.endFunc()
+	})
+
+	_ = this.rawWriter.Close()
+
+	err := os.Remove(this.rawWriter.Name())
+	return err
+}
+
+func (this *PartialFileWriter) HeaderSize() int64 {
+	return this.headerSize
+}
+
+func (this *PartialFileWriter) BodySize() int64 {
+	return this.bodySize
+}
+
+func (this *PartialFileWriter) ExpiredAt() int64 {
+	return this.expiredAt
+}
+
+func (this *PartialFileWriter) Key() string {
+	return this.key
+}
+
+// ItemType 获取内容类型
+func (this *PartialFileWriter) ItemType() ItemType {
+	return ItemTypeFile
+}
--- a/internal/caches/writer_partial_file_test.go
+++ b/internal/caches/writer_partial_file_test.go
@@ -0,0 +1,50 @@
+// Copyright 2022 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
+
+package caches_test
+
+import (
+	"github.com/TeaOSLab/EdgeNode/internal/caches"
+	"github.com/iwind/TeaGo/types"
+	"io/ioutil"
+	"os"
+	"testing"
+	"time"
+)
+
+func TestPartialFileWriter_SeekOffset(t *testing.T) {
+	var path = "/tmp/test@partial.cache"
+	_ = os.Remove(path)
+
+	var reader = func() {
+		data, err := ioutil.ReadFile(path)
+		if err != nil {
+			t.Fatal(err)
+		}
+		t.Log("["+types.String(len(data))+"]", string(data))
+	}
+
+	fp, err := os.OpenFile(path, os.O_CREATE|os.O_WRONLY, 0666)
+	if err != nil {
+		t.Fatal(err)
+	}
+	var writer = caches.NewPartialFileWriter(fp, "test", time.Now().Unix()+86500, true, true, 0, func() {
+		t.Log("end")
+	})
+	_, err = writer.WriteHeader([]byte("header"))
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	// 移动位置
+	err = writer.WriteAt([]byte("HELLO"), 100)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	err = writer.Close()
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	reader()
+}
--- a/internal/compressions/reader_brotli.go
+++ b/internal/compressions/reader_brotli.go
@@ -5,6 +5,7 @@ package compressions
 import (
 	"github.com/andybalholm/brotli"
 	"io"
+	"strings"
 )

 type BrotliReader struct {
@@ -16,7 +17,11 @@ func NewBrotliReader(reader io.Reader) (Reader, error) {
 }

 func (this *BrotliReader) Read(p []byte) (n int, err error) {
-	return this.reader.Read(p)
+	n, err = this.reader.Read(p)
+	if err != nil && strings.Contains(err.Error(), "excessive") {
+		err = io.EOF
+	}
+	return
 }

 func (this *BrotliReader) Close() error {
--- a/internal/compressions/reader_gzip_test.go
+++ b/internal/compressions/reader_gzip_test.go
@@ -0,0 +1,68 @@
+// Copyright 2022 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
+
+package compressions
+
+import (
+	"bytes"
+	"errors"
+	"github.com/TeaOSLab/EdgeNode/internal/caches"
+	"io"
+	"os"
+	"testing"
+)
+
+func TestGzipReader(t *testing.T) {
+	fp, err := os.Open("/Users/WorkSpace/EdgeProject/EdgeCache/p43/36/7e/367e02720713fe05b66573a1d69b4f0a.cache")
+	if err != nil {
+		// not fatal
+		t.Log(err)
+		return
+	}
+	defer func() {
+		_ = fp.Close()
+	}()
+
+	var buf = make([]byte, 32*1024)
+	cacheReader := caches.NewFileReader(fp)
+	err = cacheReader.Init()
+	if err != nil {
+		t.Fatal(err)
+	}
+	var headerBuf = []byte{}
+	err = cacheReader.ReadHeader(buf, func(n int) (goNext bool, err error) {
+		headerBuf = append(headerBuf, buf[:n]...)
+		for {
+			nIndex := bytes.Index(headerBuf, []byte{'\n'})
+			if nIndex >= 0 {
+				row := headerBuf[:nIndex]
+				spaceIndex := bytes.Index(row, []byte{':'})
+				if spaceIndex <= 0 {
+					return false, errors.New("invalid header '" + string(row) + "'")
+				}
+
+				headerBuf = headerBuf[nIndex+1:]
+			} else {
+				break
+			}
+		}
+		return true, nil
+	})
+
+	reader, err := NewGzipReader(cacheReader)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	for {
+		n, err := reader.Read(buf)
+		if err != nil {
+			if err != io.EOF {
+				t.Fatal(err)
+			} else {
+				break
+			}
+		}
+		t.Log(string(buf[:n]))
+		_ = n
+	}
+}
--- a/internal/compressions/utils.go
+++ b/internal/compressions/utils.go
@@ -18,6 +18,11 @@ const (

 var ErrNotSupportedContentEncoding = errors.New("not supported content encoding")

+// AllEncodings 当前支持的所有编码
+func AllEncodings() []ContentEncoding {
+	return []ContentEncoding{ContentEncodingBr, ContentEncodingGzip, ContentEncodingDeflate}
+}
+
 // NewReader 获取Reader
 func NewReader(reader io.Reader, contentEncoding ContentEncoding) (Reader, error) {
 	switch contentEncoding {
--- a/internal/const/build.go
+++ b/internal/const/build.go
@@ -1,4 +1,5 @@
 // Copyright 2021 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
+//go:build community
 // +build community

 package teaconst
--- a/internal/const/build_plus.go
+++ b/internal/const/build_plus.go
@@ -1,4 +1,5 @@
 // Copyright 2021 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
+//go:build plus
 // +build plus

 package teaconst
--- a/internal/const/const.go
+++ b/internal/const/const.go
@@ -1,7 +1,7 @@
 package teaconst

 const (
-	Version = "0.3.6"
+	Version = "0.4.3"

 	ProductName = "Edge Node"
 	ProcessName = "edge-node"
--- a/internal/const/vars.go
+++ b/internal/const/vars.go
@@ -2,11 +2,16 @@

 package teaconst

+import "github.com/TeaOSLab/EdgeCommon/pkg/nodeconfigs"
+
 var (
 	// 流量统计

 	InTrafficBytes  = uint64(0)
 	OutTrafficBytes = uint64(0)

-	NodeId int64 = 0
+	NodeId       int64 = 0
+	NodeIdString       = ""
+
+	GlobalProductName = nodeconfigs.DefaultProductName
 )
--- a/internal/events/utils.go
+++ b/internal/events/utils.go
@@ -1,27 +1,71 @@
 package events

-import "sync"
+import (
+	"sync"
+)

-var eventsMap = map[string][]func(){} // event => []callbacks
+type Callbacks = []func()
+
+var eventsMap = map[Event]map[interface{}]Callbacks{} // event => map[event key][]callback
 var locker = sync.Mutex{}

-// 增加事件回调
-func On(event string, callback func()) {
+var eventKeyId = 0
+
+func NewKey() interface{} {
+	locker.Lock()
+	defer locker.Unlock()
+	eventKeyId++
+	return eventKeyId
+}
+
+// On 增加事件回调
+func On(event Event, callback func()) {
+	OnKey(event, nil, callback)
+}
+
+// OnKey 使用Key增加事件回调
+func OnKey(event Event, key interface{}, callback func()) {
+	if key == nil {
+		key = NewKey()
+	}
+
 	locker.Lock()
 	defer locker.Unlock()

-	callbacks, _ := eventsMap[event]
-	callbacks = append(callbacks, callback)
-	eventsMap[event] = callbacks
+	m, ok := eventsMap[event]
+	if !ok {
+		m = map[interface{}]Callbacks{}
+		eventsMap[event] = m
+	}
+	m[key] = append(m[key], callback)
 }

-// 通知事件
-func Notify(event string) {
+// Remove 删除事件回调
+func Remove(key interface{}) {
+	if key == nil {
+		return
+	}
+
 	locker.Lock()
-	callbacks, _ := eventsMap[event]
+	for k, m := range eventsMap {
+		_, ok := m[key]
+		if ok {
+			delete(m, key)
+			eventsMap[k] = m
+		}
+	}
+	locker.Unlock()
+}
+
+// Notify 通知事件
+func Notify(event Event) {
+	locker.Lock()
+	m := eventsMap[event]
 	locker.Unlock()

-	for _, callback := range callbacks {
-		callback()
+	for _, callbacks := range m {
+		for _, callback := range callbacks {
+			callback()
+		}
 	}
 }
--- a/internal/events/utils_test.go
+++ b/internal/events/utils_test.go
@@ -1,16 +1,33 @@
-package events
+package events_test

-import "testing"
+import (
+	"github.com/TeaOSLab/EdgeNode/internal/events"
+	"testing"
+)

 func TestOn(t *testing.T) {
-	On("hello", func() {
+	type User struct {
+		name string
+	}
+	var u = &User{}
+	var u2 = &User{}
+
+	events.On("hello", func() {
 		t.Log("world")
 	})
-	On("hello", func() {
+	events.On("hello", func() {
 		t.Log("world2")
 	})
-	On("hello2", func() {
+	events.OnKey("hello", u, func() {
+		t.Log("world3")
+	})
+	events.OnKey("hello", u, func() {
+		t.Log("world4")
+	})
+	events.Remove(u)
+	events.Remove(u2)
+	events.OnKey("hello2", nil, func() {
 		t.Log("world2")
 	})
-	Notify("hello")
+	events.Notify("hello")
 }
--- a/internal/firewalls/firewall.go
+++ b/internal/firewalls/firewall.go
@@ -0,0 +1,42 @@
+// Copyright 2022 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
+
+package firewalls
+
+import (
+	"github.com/TeaOSLab/EdgeNode/internal/events"
+	"github.com/TeaOSLab/EdgeNode/internal/remotelogs"
+)
+
+var currentFirewall FirewallInterface
+
+// 初始化
+func init() {
+	events.On(events.EventLoaded, func() {
+		var firewall = Firewall()
+		if firewall.Name() == "mock" {
+			remotelogs.Warn("FIREWALL", "'firewalld' on this system should be enabled to block attackers more effectively")
+		} else {
+			remotelogs.Println("FIREWALL", "found local firewall '"+firewall.Name()+"'")
+		}
+	})
+}
+
+// Firewall 查找当前系统中最适合的防火墙
+func Firewall() FirewallInterface {
+	if currentFirewall != nil {
+		return currentFirewall
+	}
+
+	// firewalld
+	{
+		var firewalld = NewFirewalld()
+		if firewalld.IsReady() {
+			currentFirewall = firewalld
+			return currentFirewall
+		}
+	}
+
+	// 至少返回一个
+	currentFirewall = NewMockFirewall()
+	return currentFirewall
+}
--- a/internal/firewalls/firewall_firewalld.go
+++ b/internal/firewalls/firewall_firewalld.go
@@ -0,0 +1,135 @@
+// Copyright 2022 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
+
+package firewalls
+
+import (
+	"github.com/TeaOSLab/EdgeNode/internal/goman"
+	"github.com/TeaOSLab/EdgeNode/internal/remotelogs"
+	"github.com/iwind/TeaGo/types"
+	"os/exec"
+	"strings"
+)
+
+type Firewalld struct {
+	isReady  bool
+	exe      string
+	cmdQueue chan *exec.Cmd
+}
+
+func NewFirewalld() *Firewalld {
+	var firewalld = &Firewalld{
+		cmdQueue: make(chan *exec.Cmd, 4096),
+	}
+
+	path, err := exec.LookPath("firewall-cmd")
+	if err == nil && len(path) > 0 {
+		var cmd = exec.Command(path, "-V")
+		err := cmd.Run()
+		if err == nil {
+			firewalld.exe = path
+			firewalld.isReady = true
+			firewalld.init()
+		}
+	}
+
+	return firewalld
+}
+
+func (this *Firewalld) init() {
+	goman.New(func() {
+		for cmd := range this.cmdQueue {
+			err := cmd.Run()
+			if err != nil {
+				if strings.HasPrefix(err.Error(), "Warning:") {
+					continue
+				}
+				remotelogs.Warn("FIREWALL", "run command failed '"+cmd.String()+"': "+err.Error())
+			}
+		}
+	})
+}
+
+// Name 名称
+func (this *Firewalld) Name() string {
+	return "firewalld"
+}
+
+func (this *Firewalld) IsReady() bool {
+	return this.isReady
+}
+
+func (this *Firewalld) AllowPort(port int, protocol string) error {
+	if !this.isReady {
+		return nil
+	}
+	var cmd = exec.Command(this.exe, "--add-port="+types.String(port)+"/"+protocol)
+	this.pushCmd(cmd)
+	return nil
+}
+
+func (this *Firewalld) RemovePort(port int, protocol string) error {
+	if !this.isReady {
+		return nil
+	}
+	var cmd = exec.Command(this.exe, "--remove-port="+types.String(port)+"/"+protocol)
+	this.pushCmd(cmd)
+	return nil
+}
+
+func (this *Firewalld) RejectSourceIP(ip string, timeoutSeconds int) error {
+	if !this.isReady {
+		return nil
+	}
+	var family = "ipv4"
+	if strings.Contains(ip, ":") {
+		family = "ipv6"
+	}
+	var args = []string{"--add-rich-rule=rule family='" + family + "' source address='" + ip + "' reject"}
+	if timeoutSeconds > 0 {
+		args = append(args, "--timeout="+types.String(timeoutSeconds)+"s")
+	}
+	var cmd = exec.Command(this.exe, args...)
+	this.pushCmd(cmd)
+	return nil
+}
+
+func (this *Firewalld) DropSourceIP(ip string, timeoutSeconds int) error {
+	if !this.isReady {
+		return nil
+	}
+	var family = "ipv4"
+	if strings.Contains(ip, ":") {
+		family = "ipv6"
+	}
+	var args = []string{"--add-rich-rule=rule family='" + family + "' source address='" + ip + "' drop"}
+	if timeoutSeconds > 0 {
+		args = append(args, "--timeout="+types.String(timeoutSeconds)+"s")
+	}
+	var cmd = exec.Command(this.exe, args...)
+	this.pushCmd(cmd)
+	return nil
+}
+
+func (this *Firewalld) RemoveSourceIP(ip string) error {
+	if !this.isReady {
+		return nil
+	}
+	var family = "ipv4"
+	if strings.Contains(ip, ":") {
+		family = "ipv6"
+	}
+	for _, action := range []string{"reject", "drop"} {
+		var args = []string{"--remove-rich-rule=rule family='" + family + "' source address='" + ip + "' " + action}
+		var cmd = exec.Command(this.exe, args...)
+		this.pushCmd(cmd)
+	}
+	return nil
+}
+
+func (this *Firewalld) pushCmd(cmd *exec.Cmd) {
+	select {
+	case this.cmdQueue <- cmd:
+	default:
+		// we discard the command
+	}
+}
--- a/internal/firewalls/firewall_interface.go
+++ b/internal/firewalls/firewall_interface.go
@@ -0,0 +1,27 @@
+// Copyright 2022 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
+
+package firewalls
+
+// FirewallInterface 防火墙接口
+type FirewallInterface interface {
+	// Name 名称
+	Name() string
+
+	// IsReady 是否已准备被调用
+	IsReady() bool
+
+	// AllowPort 允许端口
+	AllowPort(port int, protocol string) error
+
+	// RemovePort 删除端口
+	RemovePort(port int, protocol string) error
+
+	// RejectSourceIP 拒绝某个源IP连接
+	RejectSourceIP(ip string, timeoutSeconds int) error
+
+	// DropSourceIP 丢弃某个源IP数据
+	DropSourceIP(ip string, timeoutSeconds int) error
+
+	// RemoveSourceIP 删除某个源IP
+	RemoveSourceIP(ip string) error
+}
--- a/internal/firewalls/firewall_mock.go
+++ b/internal/firewalls/firewall_mock.go
@@ -0,0 +1,55 @@
+// Copyright 2022 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
+
+package firewalls
+
+// MockFirewall 模拟防火墙
+type MockFirewall struct {
+}
+
+func NewMockFirewall() *MockFirewall {
+	return &MockFirewall{}
+}
+
+// Name 名称
+func (this *MockFirewall) Name() string {
+	return "mock"
+}
+
+// IsReady 是否已准备被调用
+func (this *MockFirewall) IsReady() bool {
+	return true
+}
+
+// AllowPort 允许端口
+func (this *MockFirewall) AllowPort(port int, protocol string) error {
+	_ = port
+	_ = protocol
+	return nil
+}
+
+// RemovePort 删除端口
+func (this *MockFirewall) RemovePort(port int, protocol string) error {
+	_ = port
+	_ = protocol
+	return nil
+}
+
+// RejectSourceIP 拒绝某个源IP连接
+func (this *MockFirewall) RejectSourceIP(ip string, timeoutSeconds int) error {
+	_ = ip
+	_ = timeoutSeconds
+	return nil
+}
+
+// DropSourceIP 丢弃某个源IP数据
+func (this *MockFirewall) DropSourceIP(ip string, timeoutSeconds int) error {
+	_ = ip
+	_ = timeoutSeconds
+	return nil
+}
+
+// RemoveSourceIP 删除某个源IP
+func (this *MockFirewall) RemoveSourceIP(ip string) error {
+	_ = ip
+	return nil
+}
--- a/internal/goman/instance.go
+++ b/internal/goman/instance.go
@@ -0,0 +1,12 @@
+// Copyright 2021 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
+
+package goman
+
+import "time"
+
+type Instance struct {
+	Id          uint64
+	CreatedTime time.Time
+	File        string
+	Line        int
+}
--- a/internal/goman/lib.go
+++ b/internal/goman/lib.go
@@ -0,0 +1,81 @@
+// Copyright 2021 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
+
+package goman
+
+import (
+	"runtime"
+	"sync"
+	"time"
+)
+
+var locker = &sync.Mutex{}
+var instanceMap = map[uint64]*Instance{} // id => *Instance
+var instanceId = uint64(0)
+
+// New 新创建goroutine
+func New(f func()) {
+	_, file, line, _ := runtime.Caller(1)
+
+	go func() {
+		locker.Lock()
+		instanceId++
+
+		var instance = &Instance{
+			Id:          instanceId,
+			CreatedTime: time.Now(),
+		}
+
+		instance.File = file
+		instance.Line = line
+
+		instanceMap[instanceId] = instance
+		locker.Unlock()
+
+		// run function
+		f()
+
+		locker.Lock()
+		delete(instanceMap, instanceId)
+		locker.Unlock()
+	}()
+}
+
+// NewWithArgs 创建带有参数的goroutine
+func NewWithArgs(f func(args ...interface{}), args ...interface{}) {
+	_, file, line, _ := runtime.Caller(1)
+
+	go func() {
+		locker.Lock()
+		instanceId++
+
+		var instance = &Instance{
+			Id:          instanceId,
+			CreatedTime: time.Now(),
+		}
+
+		instance.File = file
+		instance.Line = line
+
+		instanceMap[instanceId] = instance
+		locker.Unlock()
+
+		// run function
+		f(args...)
+
+		locker.Lock()
+		delete(instanceMap, instanceId)
+		locker.Unlock()
+	}()
+}
+
+// List 列出所有正在运行goroutine
+func List() []*Instance {
+	locker.Lock()
+	defer locker.Unlock()
+
+	var result = []*Instance{}
+	for _, instance := range instanceMap {
+		result = append(result, instance)
+	}
+	return result
+}
--- a/internal/goman/lib_test.go
+++ b/internal/goman/lib_test.go
@@ -0,0 +1,28 @@
+// Copyright 2021 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
+
+package goman
+
+import (
+	"testing"
+	"time"
+)
+
+func TestNew(t *testing.T) {
+	New(func() {
+		t.Log("Hello")
+
+		t.Log(List())
+	})
+
+	time.Sleep(1 * time.Second)
+	t.Log(List())
+
+	time.Sleep(1 * time.Second)
+}
+
+func TestNewWithArgs(t *testing.T) {
+	NewWithArgs(func(args ...interface{}) {
+		t.Log(args[0], args[1])
+	}, 1, 2)
+	time.Sleep(1 * time.Second)
+}
--- a/internal/iplibrary/action_http_api.go
+++ b/internal/iplibrary/action_http_api.go
@@ -71,7 +71,7 @@ func (this *HTTPAPIAction) runAction(action string, listType IPListType, item *p
 	if err != nil {
 		return err
 	}
-	req.Header.Set("User-Agent", "GoEdge-Node/"+teaconst.Version)
+	req.Header.Set("User-Agent", teaconst.GlobalProductName+"-Node/"+teaconst.Version)
 	resp, err := httpAPIClient.Do(req)
 	if err != nil {
 		return err
--- a/internal/iplibrary/ip2Region.go
+++ b/internal/iplibrary/ip2Region.go
@@ -0,0 +1,130 @@
+// 源码改自：https://github.com/lionsoul2014/ip2region/blob/master/binding/golang/ip2region/ip2Region.go
+
+package iplibrary
+
+import (
+	"errors"
+	"io/ioutil"
+	"strconv"
+	"strings"
+)
+
+const (
+	IndexBlockLength = 12
+)
+
+var err error
+
+type IP2Region struct {
+	headerSip []int64
+	headerPtr []int64
+	headerLen int64
+
+	// super block index info
+	firstIndexPtr int64
+	lastIndexPtr  int64
+	totalBlocks   int64
+
+	dbData []byte
+}
+
+type IpInfo struct {
+	CityId   int64
+	Country  string
+	Region   string
+	Province string
+	City     string
+	ISP      string
+}
+
+func (ip IpInfo) String() string {
+	return strconv.FormatInt(ip.CityId, 10) + "|" + ip.Country + "|" + ip.Region + "|" + ip.Province + "|" + ip.City + "|" + ip.ISP
+}
+
+func getIpInfo(cityId int64, line []byte) *IpInfo {
+	lineSlice := strings.Split(string(line), "|")
+	ipInfo := &IpInfo{}
+	length := len(lineSlice)
+	ipInfo.CityId = cityId
+	if length < 5 {
+		for i := 0; i <= 5-length; i++ {
+			lineSlice = append(lineSlice, "")
+		}
+	}
+
+	ipInfo.Country = lineSlice[0]
+	ipInfo.Region = lineSlice[1]
+	ipInfo.Province = lineSlice[2]
+	ipInfo.City = lineSlice[3]
+	ipInfo.ISP = lineSlice[4]
+	return ipInfo
+}
+
+func NewIP2Region(path string) (*IP2Region, error) {
+	var region = &IP2Region{}
+	region.dbData, err = ioutil.ReadFile(path)
+
+	if err != nil {
+		return nil, err
+	}
+
+	region.firstIndexPtr = region.ipLongAtOffset(0)
+	region.lastIndexPtr = region.ipLongAtOffset(4)
+	region.totalBlocks = (region.lastIndexPtr-region.firstIndexPtr)/IndexBlockLength + 1
+	return region, nil
+}
+
+func (this *IP2Region) MemorySearch(ipStr string) (ipInfo *IpInfo, err error) {
+	ip, err := ip2long(ipStr)
+	if err != nil {
+		return nil, err
+	}
+
+	h := this.totalBlocks
+	var dataPtr, l int64
+	for l <= h {
+		m := (l + h) >> 1
+		p := this.firstIndexPtr + m*IndexBlockLength
+		sip := this.ipLongAtOffset(p)
+		if ip < sip {
+			h = m - 1
+		} else {
+			eip := this.ipLongAtOffset(p + 4)
+			if ip > eip {
+				l = m + 1
+			} else {
+				dataPtr = this.ipLongAtOffset(p + 8)
+				break
+			}
+		}
+	}
+	if dataPtr == 0 {
+		return nil, errors.New("not found")
+	}
+
+	dataLen := (dataPtr >> 24) & 0xFF
+	dataPtr = dataPtr & 0x00FFFFFF
+	return getIpInfo(this.ipLongAtOffset(dataPtr), this.dbData[(dataPtr)+4:dataPtr+dataLen]), nil
+}
+
+func (this *IP2Region) ipLongAtOffset(offset int64) int64 {
+	return int64(this.dbData[offset]) |
+		int64(this.dbData[offset+1])<<8 |
+		int64(this.dbData[offset+2])<<16 |
+		int64(this.dbData[offset+3])<<24
+}
+
+func ip2long(IpStr string) (int64, error) {
+	bits := strings.Split(IpStr, ".")
+	if len(bits) != 4 {
+		return 0, errors.New("ip format error")
+	}
+
+	var sum int64
+	for i, n := range bits {
+		bit, _ := strconv.ParseInt(n, 10, 64)
+		sum += bit << uint(24-8*i)
+	}
+
+	return sum, nil
+}
--- a/internal/iplibrary/ip_list.go
+++ b/internal/iplibrary/ip_list.go
@@ -29,11 +29,9 @@ func NewIPList() *IPList {
 	}

 	expireList := expires.NewList()
-	go func() {
-		expireList.StartGC(func(itemId int64) {
-			list.Delete(itemId)
-		})
-	}()
+	expireList.OnGC(func(itemId int64) {
+		list.Delete(itemId)
+	})
 	list.expireList = expireList
 	return list
 }
--- a/internal/iplibrary/ip_list_test.go
+++ b/internal/iplibrary/ip_list_test.go
@@ -6,7 +6,9 @@ import (
 	"github.com/iwind/TeaGo/logs"
 	"github.com/iwind/TeaGo/rands"
 	"runtime"
+	"runtime/debug"
 	"strconv"
+	"sync"
 	"testing"
 	"time"
 )
@@ -281,6 +283,22 @@ func TestGC(t *testing.T) {
 	logs.PrintAsJSON(list.sortedItems, t)
 }

+func TestTooManyLists(t *testing.T) {
+	debug.SetMaxThreads(20)
+
+	var lists = []*IPList{}
+	var locker = &sync.Mutex{}
+	for i := 0; i < 1000; i++ {
+		locker.Lock()
+		lists = append(lists, NewIPList())
+		locker.Unlock()
+	}
+
+	time.Sleep(1 * time.Second)
+	t.Log(runtime.NumGoroutine())
+	t.Log(len(lists), "lists")
+}
+
 func BenchmarkIPList_Contains(b *testing.B) {
 	runtime.GOMAXPROCS(1)

--- a/internal/iplibrary/library_ip2region.go
+++ b/internal/iplibrary/library_ip2region.go
@@ -4,17 +4,16 @@ import (
 	"fmt"
 	"github.com/TeaOSLab/EdgeNode/internal/errors"
 	"github.com/TeaOSLab/EdgeNode/internal/remotelogs"
-	"github.com/lionsoul2014/ip2region/binding/golang/ip2region"
 	"net"
 	"strings"
 )

 type IP2RegionLibrary struct {
-	db *ip2region.Ip2Region
+	db *IP2Region
 }

 func (this *IP2RegionLibrary) Load(dbPath string) error {
-	db, err := ip2region.New(dbPath)
+	db, err := NewIP2Region(dbPath)
 	if err != nil {
 		return err
 	}
@@ -49,6 +48,10 @@ func (this *IP2RegionLibrary) Lookup(ip string) (*Result, error) {
 		return nil, err
 	}

+	if info == nil {
+		return nil, nil
+	}
+
 	if info.Country == "0" {
 		info.Country = ""
 	}
@@ -76,7 +79,5 @@ func (this *IP2RegionLibrary) Lookup(ip string) (*Result, error) {
 }

 func (this *IP2RegionLibrary) Close() {
-	if this.db != nil {
-		this.db.Close()
-	}
+
 }
--- a/internal/iplibrary/library_ip2region_test.go
+++ b/internal/iplibrary/library_ip2region_test.go
@@ -3,25 +3,83 @@ package iplibrary
 import (
 	"github.com/iwind/TeaGo/Tea"
 	_ "github.com/iwind/TeaGo/bootstrap"
-	"github.com/iwind/TeaGo/logs"
 	"github.com/iwind/TeaGo/rands"
 	"runtime"
 	"strconv"
+	"sync"
 	"testing"
 	"time"
 )

+func TestIP2RegionLibrary_Lookup_MemoryUsage(t *testing.T) {
+	var mem = &runtime.MemStats{}
+	runtime.ReadMemStats(mem)
+
+	library := &IP2RegionLibrary{}
+	err := library.Load(Tea.Root + "/resources/ipdata/ip2region/ip2region.db")
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	var mem2 = &runtime.MemStats{}
+	runtime.ReadMemStats(mem2)
+	t.Log((mem2.HeapInuse-mem.HeapInuse)/1024/1024, "MB")
+}
+
+func TestIP2RegionLibrary_Lookup_Single(t *testing.T) {
+	library := &IP2RegionLibrary{}
+	err := library.Load(Tea.Root + "/resources/ipdata/ip2region/ip2region.db")
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	for _, ip := range []string{"8.8.9.9"} {
+		result, err := library.Lookup(ip)
+		if err != nil {
+			t.Fatal(err)
+		}
+		t.Log("IP:", ip, "result:", result)
+	}
+}
+
 func TestIP2RegionLibrary_Lookup(t *testing.T) {
 	library := &IP2RegionLibrary{}
 	err := library.Load(Tea.Root + "/resources/ipdata/ip2region/ip2region.db")
 	if err != nil {
 		t.Fatal(err)
 	}
-	result, err := library.Lookup("114.240.223.47")
+
+	for _, ip := range []string{"", "a", "1.1.1", "192.168.1.100", "114.240.223.47", "8.8.9.9", "::1"} {
+		result, err := library.Lookup(ip)
+		if err != nil {
+			t.Fatal(err)
+		}
+		t.Log("IP:", ip, "result:", result)
+	}
+}
+
+func TestIP2RegionLibrary_Lookup_Concurrent(t *testing.T) {
+	library := &IP2RegionLibrary{}
+	err := library.Load(Tea.Root + "/resources/ipdata/ip2region/ip2region.db")
 	if err != nil {
 		t.Fatal(err)
 	}
-	logs.PrintAsJSON(result, t)
+
+	var count = 4000
+	var wg = sync.WaitGroup{}
+	wg.Add(count)
+	for i := 0; i < count; i++ {
+		go func() {
+			defer wg.Done()
+
+			for i := 0; i < 100; i++ {
+				_, _ = library.Lookup(strconv.Itoa(rands.Int(0, 254)) + "." + strconv.Itoa(rands.Int(0, 254)) + "." + strconv.Itoa(rands.Int(0, 254)) + "." + strconv.Itoa(rands.Int(0, 254)))
+			}
+		}()
+	}
+
+	wg.Done()
+	t.Log("ok")
 }

 func TestIP2RegionLibrary_Memory(t *testing.T) {
@@ -43,13 +101,13 @@ func TestIP2RegionLibrary_Memory(t *testing.T) {
 func BenchmarkIP2RegionLibrary_Lookup(b *testing.B) {
 	runtime.GOMAXPROCS(1)

-	library := &IP2RegionLibrary{}
+	var library = &IP2RegionLibrary{}
 	err := library.Load(Tea.Root + "/resources/ipdata/ip2region/ip2region.db")
 	if err != nil {
 		b.Fatal(err)
 	}

 	for i := 0; i < b.N; i++ {
-		_, _ = library.Lookup(strconv.Itoa(rands.Int(0, 254)) + "." + strconv.Itoa(rands.Int(0, 254)) + "." + strconv.Itoa(rands.Int(0, 254)) + "." + strconv.Itoa(rands.Int(0, 254)))
+		_, _ = library.Lookup("8.8.8.8")
 	}
 }
--- a/internal/iplibrary/list_utils.go
+++ b/internal/iplibrary/list_utils.go
@@ -7,6 +7,7 @@ import (
 )

 // AllowIP 检查IP是否被允许访问
+// 如果一个IP不在任何名单中，则允许访问
 func AllowIP(ip string, serverId int64) bool {
 	var ipLong = utils.IP2Long(ip)
 	if ipLong == 0 {
@@ -40,6 +41,17 @@ func AllowIP(ip string, serverId int64) bool {
 	return true
 }

+// IsInWhiteList 检查IP是否在白名单中
+func IsInWhiteList(ip string) bool {
+	var ipLong = utils.IP2Long(ip)
+	if ipLong == 0 {
+		return false
+	}
+
+	// check white lists
+	return GlobalWhiteIPList.Contains(ipLong)
+}
+
 // AllowIPStrings 检查一组IP是否被允许访问
 func AllowIPStrings(ipStrings []string, serverId int64) bool {
 	if len(ipStrings) == 0 {
--- a/internal/iplibrary/manager_city.go
+++ b/internal/iplibrary/manager_city.go
@@ -0,0 +1,156 @@
+package iplibrary
+
+import (
+	"crypto/md5"
+	"encoding/json"
+	"fmt"
+	"github.com/TeaOSLab/EdgeCommon/pkg/rpc/pb"
+	"github.com/TeaOSLab/EdgeNode/internal/events"
+	"github.com/TeaOSLab/EdgeNode/internal/goman"
+	"github.com/TeaOSLab/EdgeNode/internal/remotelogs"
+	"github.com/TeaOSLab/EdgeNode/internal/rpc"
+	"github.com/iwind/TeaGo/Tea"
+	_ "github.com/iwind/TeaGo/bootstrap"
+	"github.com/iwind/TeaGo/types"
+	"io/ioutil"
+	"os"
+	"sync"
+	"time"
+)
+
+var SharedCityManager = NewCityManager()
+
+func init() {
+	events.On(events.EventLoaded, func() {
+		goman.New(func() {
+			SharedCityManager.Start()
+		})
+	})
+	events.On(events.EventQuit, func() {
+		SharedCityManager.Stop()
+	})
+}
+
+// CityManager 中国省份信息管理
+type CityManager struct {
+	ticker *time.Ticker
+
+	cacheFile string
+
+	cityMap  map[string]int64 // provinceName_cityName => cityName
+	dataHash string           // 国家JSON的md5
+
+	locker sync.RWMutex
+
+	isUpdated bool
+}
+
+func NewCityManager() *CityManager {
+	return &CityManager{
+		cacheFile: Tea.Root + "/configs/region_city.json.cache",
+		cityMap:   map[string]int64{},
+	}
+}
+
+func (this *CityManager) Start() {
+	// 从缓存中读取
+	err := this.load()
+	if err != nil {
+		remotelogs.ErrorObject("CITY_MANAGER", err)
+	}
+
+	// 第一次更新
+	err = this.loop()
+	if err != nil {
+		remotelogs.ErrorObject("City_MANAGER", err)
+	}
+
+	// 定时更新
+	this.ticker = time.NewTicker(4 * time.Hour)
+	for range this.ticker.C {
+		err := this.loop()
+		if err != nil {
+			remotelogs.ErrorObject("CITY_MANAGER", err)
+		}
+	}
+}
+
+func (this *CityManager) Stop() {
+	if this.ticker != nil {
+		this.ticker.Stop()
+	}
+}
+
+func (this *CityManager) Lookup(provinceId int64, cityName string) (cityId int64) {
+	this.locker.RLock()
+	cityId, _ = this.cityMap[types.String(provinceId)+"_"+cityName]
+	this.locker.RUnlock()
+	return
+}
+
+// 从缓存中读取
+func (this *CityManager) load() error {
+	data, err := ioutil.ReadFile(this.cacheFile)
+	if err != nil {
+		if os.IsNotExist(err) {
+			return nil
+		}
+		return err
+	}
+	m := map[string]int64{}
+	err = json.Unmarshal(data, &m)
+	if err != nil {
+		return err
+	}
+	if m != nil && len(m) > 0 {
+		this.cityMap = m
+	}
+
+	return nil
+}
+
+// 更新城市信息
+func (this *CityManager) loop() error {
+	if this.isUpdated {
+		return nil
+	}
+
+	rpcClient, err := rpc.SharedRPC()
+	if err != nil {
+		return err
+	}
+	resp, err := rpcClient.RegionCityRPC().FindAllEnabledRegionCities(rpcClient.Context(), &pb.FindAllEnabledRegionCitiesRequest{})
+	if err != nil {
+		return err
+	}
+
+	m := map[string]int64{}
+	for _, city := range resp.RegionCities {
+		for _, code := range city.Codes {
+			m[types.String(city.RegionProvinceId)+"_"+code] = city.Id
+		}
+	}
+
+	// 检查是否有更新
+	data, err := json.Marshal(m)
+	if err != nil {
+		return err
+	}
+	hash := md5.New()
+	hash.Write(data)
+	dataHash := fmt.Sprintf("%x", hash.Sum(nil))
+	if this.dataHash == dataHash {
+		return nil
+	}
+	this.dataHash = dataHash
+
+	this.locker.Lock()
+	this.cityMap = m
+	this.isUpdated = true
+	this.locker.Unlock()
+
+	// 保存到本地缓存
+
+	err = ioutil.WriteFile(this.cacheFile, data, 0666)
+	return err
+}
--- a/internal/iplibrary/manager_city_test.go
+++ b/internal/iplibrary/manager_city_test.go
@@ -0,0 +1,14 @@
+// Copyright 2022 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
+
+package iplibrary
+
+import "testing"
+
+func TestNewCityManager(t *testing.T) {
+	var manager = NewCityManager()
+	err := manager.loop()
+	if err != nil {
+		t.Fatal(err)
+	}
+	t.Log(manager.Lookup(16, "许昌市"))
+}
--- a/internal/iplibrary/manager_country.go
+++ b/internal/iplibrary/manager_country.go
@@ -6,9 +6,9 @@ import (
 	"fmt"
 	"github.com/TeaOSLab/EdgeCommon/pkg/rpc/pb"
 	"github.com/TeaOSLab/EdgeNode/internal/events"
+	"github.com/TeaOSLab/EdgeNode/internal/goman"
 	"github.com/TeaOSLab/EdgeNode/internal/remotelogs"
 	"github.com/TeaOSLab/EdgeNode/internal/rpc"
-	"github.com/TeaOSLab/EdgeNode/internal/utils"
 	"github.com/iwind/TeaGo/Tea"
 	_ "github.com/iwind/TeaGo/bootstrap"
 	"io/ioutil"
@@ -21,18 +21,27 @@ var SharedCountryManager = NewCountryManager()

 func init() {
 	events.On(events.EventLoaded, func() {
-		go SharedCountryManager.Start()
+		goman.New(func() {
+			SharedCountryManager.Start()
+		})
+	})
+	events.On(events.EventQuit, func() {
+		SharedCountryManager.Stop()
 	})
 }

 // CountryManager 国家/地区信息管理
 type CountryManager struct {
+	ticker *time.Ticker
+
 	cacheFile string

 	countryMap map[string]int64 // countryName => countryId
 	dataHash   string           // 国家JSON的md5

 	locker sync.RWMutex
+
+	isUpdated bool
 }

 func NewCountryManager() *CountryManager {
@@ -56,11 +65,8 @@ func (this *CountryManager) Start() {
 	}

 	// 定时更新
-	ticker := utils.NewTicker(1 * time.Hour)
-	events.On(events.EventQuit, func() {
-		ticker.Stop()
-	})
-	for range ticker.C {
+	this.ticker = time.NewTicker(4 * time.Hour)
+	for range this.ticker.C {
 		err := this.loop()
 		if err != nil {
 			remotelogs.ErrorObject("COUNTRY_MANAGER", err)
@@ -68,6 +74,12 @@ func (this *CountryManager) Start() {
 	}
 }

+func (this *CountryManager) Stop() {
+	if this.ticker != nil {
+		this.ticker.Stop()
+	}
+}
+
 func (this *CountryManager) Lookup(countryName string) (countryId int64) {
 	this.locker.RLock()
 	countryId, _ = this.countryMap[countryName]
@@ -98,6 +110,10 @@ func (this *CountryManager) load() error {

 // 更新国家信息
 func (this *CountryManager) loop() error {
+	if this.isUpdated {
+		return nil
+	}
+
 	rpcClient, err := rpc.SharedRPC()
 	if err != nil {
 		return err
@@ -108,7 +124,7 @@ func (this *CountryManager) loop() error {
 	}

 	m := map[string]int64{}
-	for _, country := range resp.Countries {
+	for _, country := range resp.RegionCountries {
 		for _, code := range country.Codes {
 			m[code] = country.Id
 		}
@@ -129,6 +145,7 @@ func (this *CountryManager) loop() error {

 	this.locker.Lock()
 	this.countryMap = m
+	this.isUpdated = true
 	this.locker.Unlock()

 	// 保存到本地缓存
--- a/internal/iplibrary/manager_ip_list.go
+++ b/internal/iplibrary/manager_ip_list.go
@@ -3,10 +3,12 @@ package iplibrary
 import (
 	"github.com/TeaOSLab/EdgeCommon/pkg/rpc/pb"
 	"github.com/TeaOSLab/EdgeNode/internal/events"
+	"github.com/TeaOSLab/EdgeNode/internal/goman"
 	"github.com/TeaOSLab/EdgeNode/internal/remotelogs"
 	"github.com/TeaOSLab/EdgeNode/internal/rpc"
 	"github.com/TeaOSLab/EdgeNode/internal/utils"
 	"github.com/TeaOSLab/EdgeNode/internal/waf"
+	"github.com/TeaOSLab/EdgeNode/internal/zero"
 	"github.com/iwind/TeaGo/Tea"
 	"sync"
 	"time"
@@ -17,12 +19,19 @@ var IPListUpdateNotify = make(chan bool, 1)

 func init() {
 	events.On(events.EventLoaded, func() {
-		go SharedIPListManager.Start()
+		goman.New(func() {
+			SharedIPListManager.Start()
+		})
+	})
+	events.On(events.EventQuit, func() {
+		SharedIPListManager.Stop()
 	})
 }

 // IPListManager IP名单管理
 type IPListManager struct {
+	ticker *time.Ticker
+
 	db *IPListDB

 	version  int64
@@ -48,17 +57,14 @@ func (this *IPListManager) Start() {
 		remotelogs.ErrorObject("IP_LIST_MANAGER", err)
 	}

-	ticker := time.NewTicker(60 * time.Second)
+	this.ticker = time.NewTicker(60 * time.Second)
 	if Tea.IsTesting() {
-		ticker = time.NewTicker(10 * time.Second)
+		this.ticker = time.NewTicker(10 * time.Second)
 	}
-	events.On(events.EventQuit, func() {
-		ticker.Stop()
-	})
 	countErrors := 0
 	for {
 		select {
-		case <-ticker.C:
+		case <-this.ticker.C:
 		case <-IPListUpdateNotify:
 		}
 		err := this.loop()
@@ -80,6 +86,12 @@ func (this *IPListManager) Start() {
 	}
 }

+func (this *IPListManager) Stop() {
+	if this.ticker != nil {
+		this.ticker.Stop()
+	}
+}
+
 func (this *IPListManager) init() {
 	// 从数据库中当中读取数据
 	db, err := NewIPListDB()
@@ -161,7 +173,7 @@ func (this *IPListManager) FindList(listId int64) *IPList {

 func (this *IPListManager) processItems(items []*pb.IPItem, shouldExecute bool) {
 	this.locker.Lock()
-	var changedLists = map[*IPList]bool{}
+	var changedLists = map[*IPList]zero.Zero{}
 	for _, item := range items {
 		var list *IPList
 		// TODO 实现节点专有List
@@ -187,13 +199,13 @@ func (this *IPListManager) processItems(items []*pb.IPItem, shouldExecute bool)
 			this.listMap[item.ListId] = list
 		}

-		changedLists[list] = true
+		changedLists[list] = zero.New()

 		if item.IsDeleted {
 			list.Delete(item.Id)

 			// 从WAF名单中删除
-			waf.SharedIPBlackList.RemoveIP(item.IpFrom, item.ServerId)
+			waf.SharedIPBlackList.RemoveIP(item.IpFrom, item.ServerId, shouldExecute)

 			// 操作事件
 			if shouldExecute {
--- a/internal/iplibrary/manager_provider.go
+++ b/internal/iplibrary/manager_provider.go
@@ -0,0 +1,155 @@
+package iplibrary
+
+import (
+	"crypto/md5"
+	"encoding/json"
+	"fmt"
+	"github.com/TeaOSLab/EdgeCommon/pkg/rpc/pb"
+	"github.com/TeaOSLab/EdgeNode/internal/events"
+	"github.com/TeaOSLab/EdgeNode/internal/goman"
+	"github.com/TeaOSLab/EdgeNode/internal/remotelogs"
+	"github.com/TeaOSLab/EdgeNode/internal/rpc"
+	"github.com/iwind/TeaGo/Tea"
+	_ "github.com/iwind/TeaGo/bootstrap"
+	"io/ioutil"
+	"os"
+	"sync"
+	"time"
+)
+
+var SharedProviderManager = NewProviderManager()
+
+func init() {
+	events.On(events.EventLoaded, func() {
+		goman.New(func() {
+			SharedProviderManager.Start()
+		})
+	})
+	events.On(events.EventQuit, func() {
+		SharedProviderManager.Stop()
+	})
+}
+
+// ProviderManager 中国省份信息管理
+type ProviderManager struct {
+	ticker *time.Ticker
+
+	cacheFile string
+
+	providerMap map[string]int64 // name => id
+	dataHash    string           // 国家JSON的md5
+
+	locker sync.RWMutex
+
+	isUpdated bool
+}
+
+func NewProviderManager() *ProviderManager {
+	return &ProviderManager{
+		cacheFile:   Tea.Root + "/configs/region_provider.json.cache",
+		providerMap: map[string]int64{},
+	}
+}
+
+func (this *ProviderManager) Start() {
+	// 从缓存中读取
+	err := this.load()
+	if err != nil {
+		remotelogs.ErrorObject("PROVIDER_MANAGER", err)
+	}
+
+	// 第一次更新
+	err = this.loop()
+	if err != nil {
+		remotelogs.ErrorObject("PROVIDER_MANAGER", err)
+	}
+
+	// 定时更新
+	this.ticker = time.NewTicker(4 * time.Hour)
+	for range this.ticker.C {
+		err := this.loop()
+		if err != nil {
+			remotelogs.ErrorObject("PROVIDER_MANAGER", err)
+		}
+	}
+}
+
+func (this *ProviderManager) Stop() {
+	if this.ticker != nil {
+		this.ticker.Stop()
+	}
+}
+
+func (this *ProviderManager) Lookup(providerName string) (providerId int64) {
+	this.locker.RLock()
+	providerId, _ = this.providerMap[providerName]
+	this.locker.RUnlock()
+	return
+}
+
+// 从缓存中读取
+func (this *ProviderManager) load() error {
+	data, err := ioutil.ReadFile(this.cacheFile)
+	if err != nil {
+		if os.IsNotExist(err) {
+			return nil
+		}
+		return err
+	}
+	m := map[string]int64{}
+	err = json.Unmarshal(data, &m)
+	if err != nil {
+		return err
+	}
+	if m != nil && len(m) > 0 {
+		this.providerMap = m
+	}
+
+	return nil
+}
+
+// 更新服务商信息
+func (this *ProviderManager) loop() error {
+	if this.isUpdated {
+		return nil
+	}
+
+	rpcClient, err := rpc.SharedRPC()
+	if err != nil {
+		return err
+	}
+	resp, err := rpcClient.RegionProviderRPC().FindAllEnabledRegionProviders(rpcClient.Context(), &pb.FindAllEnabledRegionProvidersRequest{})
+	if err != nil {
+		return err
+	}
+
+	m := map[string]int64{}
+	for _, provider := range resp.RegionProviders {
+		for _, code := range provider.Codes {
+			m[code] = provider.Id
+		}
+	}
+
+	// 检查是否有更新
+	data, err := json.Marshal(m)
+	if err != nil {
+		return err
+	}
+	hash := md5.New()
+	hash.Write(data)
+	dataHash := fmt.Sprintf("%x", hash.Sum(nil))
+	if this.dataHash == dataHash {
+		return nil
+	}
+	this.dataHash = dataHash
+
+	this.locker.Lock()
+	this.providerMap = m
+	this.isUpdated = true
+	this.locker.Unlock()
+
+	// 保存到本地缓存
+
+	err = ioutil.WriteFile(this.cacheFile, data, 0666)
+	return err
+}
--- a/internal/iplibrary/manager_provider_test.go
+++ b/internal/iplibrary/manager_provider_test.go
@@ -0,0 +1,15 @@
+// Copyright 2022 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
+
+package iplibrary
+
+import "testing"
+
+func TestNewProviderManager(t *testing.T) {
+	var manager = NewProviderManager()
+	err := manager.loop()
+	if err != nil {
+		t.Fatal(err)
+	}
+	t.Log(manager.Lookup("阿里云"))
+	t.Log(manager.Lookup("阿里云2"))
+}
--- a/internal/iplibrary/manager_province.go
+++ b/internal/iplibrary/manager_province.go
@@ -6,9 +6,9 @@ import (
 	"fmt"
 	"github.com/TeaOSLab/EdgeCommon/pkg/rpc/pb"
 	"github.com/TeaOSLab/EdgeNode/internal/events"
+	"github.com/TeaOSLab/EdgeNode/internal/goman"
 	"github.com/TeaOSLab/EdgeNode/internal/remotelogs"
 	"github.com/TeaOSLab/EdgeNode/internal/rpc"
-	"github.com/TeaOSLab/EdgeNode/internal/utils"
 	"github.com/iwind/TeaGo/Tea"
 	_ "github.com/iwind/TeaGo/bootstrap"
 	"io/ioutil"
@@ -25,18 +25,27 @@ var SharedProvinceManager = NewProvinceManager()

 func init() {
 	events.On(events.EventLoaded, func() {
-		go SharedProvinceManager.Start()
+		goman.New(func() {
+			SharedProvinceManager.Start()
+		})
+	})
+	events.On(events.EventQuit, func() {
+		SharedProvinceManager.Stop()
 	})
 }

 // ProvinceManager 中国省份信息管理
 type ProvinceManager struct {
+	ticker *time.Ticker
+
 	cacheFile string

 	provinceMap map[string]int64 // provinceName => provinceId
 	dataHash    string           // 国家JSON的md5

 	locker sync.RWMutex
+
+	isUpdated bool
 }

 func NewProvinceManager() *ProvinceManager {
@@ -60,11 +69,8 @@ func (this *ProvinceManager) Start() {
 	}

 	// 定时更新
-	ticker := utils.NewTicker(1 * time.Hour)
-	events.On(events.EventQuit, func() {
-		ticker.Stop()
-	})
-	for range ticker.C {
+	this.ticker = time.NewTicker(4 * time.Hour)
+	for range this.ticker.C {
 		err := this.loop()
 		if err != nil {
 			remotelogs.ErrorObject("PROVINCE_MANAGER", err)
@@ -72,6 +78,12 @@ func (this *ProvinceManager) Start() {
 	}
 }

+func (this *ProvinceManager) Stop() {
+	if this.ticker != nil {
+		this.ticker.Stop()
+	}
+}
+
 func (this *ProvinceManager) Lookup(provinceName string) (provinceId int64) {
 	this.locker.RLock()
 	provinceId, _ = this.provinceMap[provinceName]
@@ -100,21 +112,25 @@ func (this *ProvinceManager) load() error {
 	return nil
 }

-// 更新国家信息
+// 更新省份信息
 func (this *ProvinceManager) loop() error {
+	if this.isUpdated {
+		return nil
+	}
+
 	rpcClient, err := rpc.SharedRPC()
 	if err != nil {
 		return err
 	}
 	resp, err := rpcClient.RegionProvinceRPC().FindAllEnabledRegionProvincesWithCountryId(rpcClient.Context(), &pb.FindAllEnabledRegionProvincesWithCountryIdRequest{
-		CountryId: ChinaCountryId,
+		RegionCountryId: ChinaCountryId,
 	})
 	if err != nil {
 		return err
 	}

 	m := map[string]int64{}
-	for _, province := range resp.Provinces {
+	for _, province := range resp.RegionProvinces {
 		for _, code := range province.Codes {
 			m[code] = province.Id
 		}
@@ -135,6 +151,7 @@ func (this *ProvinceManager) loop() error {

 	this.locker.Lock()
 	this.provinceMap = m
+	this.isUpdated = true
 	this.locker.Unlock()

 	// 保存到本地缓存
--- a/internal/iplibrary/updater.go
+++ b/internal/iplibrary/updater.go
@@ -7,6 +7,7 @@ import (
 	"github.com/TeaOSLab/EdgeCommon/pkg/serverconfigs"
 	"github.com/TeaOSLab/EdgeNode/internal/errors"
 	"github.com/TeaOSLab/EdgeNode/internal/events"
+	"github.com/TeaOSLab/EdgeNode/internal/goman"
 	"github.com/TeaOSLab/EdgeNode/internal/remotelogs"
 	"github.com/TeaOSLab/EdgeNode/internal/rpc"
 	"github.com/iwind/TeaGo/Tea"
@@ -14,15 +15,22 @@ import (
 	"time"
 )

+var SharedUpdater = NewUpdater()
+
 func init() {
 	events.On(events.EventStart, func() {
-		updater := NewUpdater()
-		updater.Start()
+		goman.New(func() {
+			SharedUpdater.Start()
+		})
+	})
+	events.On(events.EventQuit, func() {
+		SharedUpdater.Stop()
 	})
 }

 // Updater IP库更新程序
 type Updater struct {
+	ticker *time.Ticker
 }

 // NewUpdater 获取新对象
@@ -33,15 +41,19 @@ func NewUpdater() *Updater {
 // Start 开始更新
 func (this *Updater) Start() {
 	// 这里不需要太频繁检查更新，因为通常不需要更新IP库
-	ticker := time.NewTicker(1 * time.Hour)
-	go func() {
-		for range ticker.C {
-			err := this.loop()
-			if err != nil {
-				remotelogs.ErrorObject("IP_LIBRARY", err)
-			}
+	this.ticker = time.NewTicker(1 * time.Hour)
+	for range this.ticker.C {
+		err := this.loop()
+		if err != nil {
+			remotelogs.ErrorObject("IP_LIBRARY", err)
 		}
-	}()
+	}
+}
+
+func (this *Updater) Stop() {
+	if this.ticker != nil {
+		this.ticker.Stop()
+	}
 }

 // 单次任务
--- a/internal/js/.gitignore
+++ b/internal/js/.gitignore
@@ -0,0 +1 @@
+*
--- a/internal/js/console.go
+++ b/internal/js/console.go
@@ -1,50 +0,0 @@
-// Copyright 2021 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
-
-package js
-
-import (
-	"encoding/json"
-	"github.com/iwind/TeaGo/logs"
-	"reflect"
-)
-
-type Console struct {
-}
-
-func (this *Console) Log(args ...interface{}) {
-	for index, arg := range args {
-		if arg != nil {
-			switch arg.(type) {
-			case bool, int, int8, int16, int32, int64, uint, uint8, uint16, uint32, uint64, string:
-			default:
-				var argType = reflect.TypeOf(arg)
-
-				// 是否有String()方法，如果有直接调用
-				method, ok := argType.MethodByName("String")
-				if ok && method.Type.NumIn() == 1 && method.Type.NumOut() == 1 && method.Type.Out(0).Kind() == reflect.String {
-					args[index] = method.Func.Call([]reflect.Value{reflect.ValueOf(arg)})[0].String()
-					continue
-				}
-
-				// 转为JSON
-				argJSON, err := this.toJSON(arg)
-				if err != nil {
-					if argType.Kind() == reflect.Func {
-						args[index] = "[function]"
-					} else {
-						args[index] = "[object]"
-					}
-				} else {
-					args[index] = string(argJSON)
-				}
-			}
-		} else {
-			args[index] = "null"
-		}
-	}
-	logs.Println(append([]interface{}{"[js][console]"}, args...)...)
-}
-
-func (this *Console) toJSON(o interface{}) ([]byte, error) {
-	return json.Marshal(o)
-}
--- a/internal/js/console_test.go
+++ b/internal/js/console_test.go
@@ -1,38 +0,0 @@
-// Copyright 2021 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
-
-package js
-
-import (
-	"testing"
-)
-
-func TestConsole_Log(t *testing.T) {
-	{
-		vm := NewVM()
-		_, err := vm.RunString("console.log('Hello', 'world')")
-		if err != nil {
-			t.Fatal(err)
-		}
-	}
-	{
-		vm := NewVM()
-		_, err := vm.RunString("console.log(null, true, false, 10, 10.123)")
-		if err != nil {
-			t.Fatal(err)
-		}
-	}
-	{
-		vm := NewVM()
-		_, err := vm.RunString("console.log({ a:1, b:2 })")
-		if err != nil {
-			t.Fatal(err)
-		}
-	}
-	{
-		vm := NewVM()
-		_, err := vm.RunString("console.log(console.log)")
-		if err != nil {
-			t.Fatal(err)
-		}
-	}
-}
--- a/internal/js/http.go
+++ b/internal/js/http.go
@@ -1,36 +0,0 @@
-// Copyright 2021 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
-
-package js
-
-type HTTP struct {
-	r RequestInterface
-
-	req  *Request
-	resp *Response
-
-	onRequest func(req *Request, resp *Response)
-}
-
-func NewHTTP(r RequestInterface) *HTTP {
-	return &HTTP{
-		req:  NewRequest(r),
-		resp: NewResponse(r),
-	}
-}
-
-func (this *HTTP) OnRequest(callback func(req *Request, resp *Response)) {
-	// TODO 考虑是否支持多个callback
-	this.onRequest = callback
-}
-
-func (this *HTTP) OnData(callback func(req *Request, resp *Response)) {
-	// TODO
-}
-
-func (this *HTTP) OnResponse(callback func(req *Request, resp *Response)) {
-	// TODO
-}
-
-func (this *HTTP) TriggerRequest() {
-	this.onRequest(this.req, this.resp)
-}
--- a/internal/js/request.go
+++ b/internal/js/request.go
@@ -1,82 +0,0 @@
-// Copyright 2021 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
-
-package js
-
-import (
-	"bytes"
-	"io/ioutil"
-	"net"
-)
-
-type Request struct {
-	r RequestInterface
-}
-
-func NewRequest(r RequestInterface) *Request {
-	return &Request{
-		r: r,
-	}
-}
-
-func (this *Request) Proto() string {
-	return this.r.JSRequest().Proto
-}
-
-func (this *Request) Method() string {
-	return this.r.JSRequest().Method
-}
-
-func (this *Request) Header() map[string][]string {
-	return this.r.JSRequest().Header
-}
-
-func (this *Request) AddHeader(name string, value string) {
-	this.r.JSRequest().Header[name] = append(this.r.JSRequest().Header[name], value)
-}
-
-func (this *Request) SetHeader(name string, value string) {
-	this.r.JSRequest().Header[name] = []string{value}
-}
-
-func (this *Request) RemoteAddr() string {
-	var remoteAddr = this.r.JSRequest().RemoteAddr
-	host, _, err := net.SplitHostPort(remoteAddr)
-	if err == nil {
-		return host
-	}
-	return remoteAddr
-}
-
-func (this *Request) Url() *URL {
-	return NewURL(this.r.JSRequest().URL)
-}
-
-func (this *Request) ContentLength() int64 {
-	return this.r.JSRequest().ContentLength
-}
-
-func (this *Request) Body() []byte {
-	var bodyReader = this.r.JSRequest().Body
-	if bodyReader == nil {
-		return []byte{}
-	}
-	data, err := ioutil.ReadAll(bodyReader)
-	if err != nil {
-		this.r.JSLog("read body failed: " + err.Error())
-	}
-	return data
-}
-
-func (this *Request) CopyBody() []byte {
-	var bodyReader = this.r.JSRequest().Body
-	if bodyReader == nil {
-		return []byte{}
-	}
-
-	data, err := ioutil.ReadAll(bodyReader)
-	if err != nil {
-		this.r.JSLog("read body failed: " + err.Error())
-	}
-	this.r.JSRequest().Body = ioutil.NopCloser(bytes.NewReader(data))
-	return data
-}
--- a/internal/js/request_interface.go
+++ b/internal/js/request_interface.go
@@ -1,19 +0,0 @@
-// Copyright 2021 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
-
-package js
-
-import "net/http"
-
-type RequestInterface interface {
-	// JSRequest 请求
-	JSRequest() *http.Request
-
-	// JSWriter 响应
-	JSWriter() http.ResponseWriter
-
-	// JSStop 中止请求
-	JSStop()
-
-	// JSLog 打印日志
-	JSLog(msg ...interface{})
-}
--- a/internal/js/request_test.go
+++ b/internal/js/request_test.go
@@ -1,124 +0,0 @@
-// Copyright 2021 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
-
-package js_test
-
-import (
-	"bytes"
-	"github.com/TeaOSLab/EdgeNode/internal/js"
-	"github.com/iwind/TeaGo/logs"
-	"io/ioutil"
-	"net/http"
-	"testing"
-)
-
-type testRequest struct {
-	rawRequest  *http.Request
-	rawResponse *testResponse
-}
-
-func (this *testRequest) JSRequest() *http.Request {
-	if this.rawRequest != nil {
-		return this.rawRequest
-	}
-	req, _ := http.NewRequest(http.MethodGet, "https://iwind:123456@goedge.cn/docs?name=Libai&age=20", nil)
-	req.Header.Set("Server", "edgejs/1.0")
-	req.Header.Set("Content-Type", "application/json")
-	req.Body = ioutil.NopCloser(bytes.NewReader([]byte("123456")))
-	this.rawRequest = req
-	return req
-}
-
-func (this *testRequest) JSWriter() http.ResponseWriter {
-	if this.rawResponse != nil {
-		return this.rawResponse
-	}
-	this.rawResponse = &testResponse{}
-	return this.rawResponse
-}
-
-func (this *testRequest) JSStop() {
-
-}
-
-func (this *testRequest) JSLog(msg ...interface{}) {
-	logs.Println(msg...)
-}
-
-type testResponse struct {
-	statusCode int
-	header     http.Header
-}
-
-func (this *testResponse) Header() http.Header {
-	if this.header == nil {
-		this.header = http.Header{}
-	}
-	return this.header
-}
-
-func (this *testResponse) Write(p []byte) (int, error) {
-	return len(p), nil
-}
-
-func (this *testResponse) WriteHeader(statusCode int) {
-	this.statusCode = statusCode
-}
-
-func TestRequest(t *testing.T) {
-	vm := js.NewVM()
-	vm.SetRequest(&testRequest{})
-
-	// 事件监听
-	_, err := vm.RunString(`
-	http.onRequest(function (req, resp) {
-		console.log(req.proto())
-
-		let url = req.url()
-		console.log(url, "port:", url.port(), "args:", url.args())
-		console.log("username:", url.username(), "password:", url.password())
-		console.log("uri:", url.uri(), "path:", url.path())
-
-		req.addHeader("Server", "1.0")
-
-		
-		resp.write("this is response")
-		console.log(resp)
-
-		console.log(req.body()) 
-	})
-`)
-	if err != nil {
-		t.Fatal(err)
-	}
-
-	// 触发事件
-	_, err = vm.RunString(`http.triggerRequest()`)
-	if err != nil {
-		t.Fatal(err)
-	}
-}
-
-func TestRequest_Header(t *testing.T) {
-	var req = js.NewRequest(&testRequest{})
-	logs.PrintAsJSON(req.Header(), t)
-
-	req.AddHeader("Content-Length", "10")
-	req.AddHeader("Vary", "1.0")
-	req.AddHeader("Vary", "2.0")
-	logs.PrintAsJSON(req.Header(), t)
-
-	req.SetHeader("Vary", "3.0")
-	logs.PrintAsJSON(req.Header(), t)
-}
-
-func TestRequest_Body(t *testing.T) {
-	var req = js.NewRequest(&testRequest{})
-	t.Log(string(req.Body()))
-	t.Log(string(req.Body()))
-}
-
-func TestRequest_CopyBody(t *testing.T) {
-	var req = js.NewRequest(&testRequest{})
-	t.Log(string(req.CopyBody()))
-	t.Log(string(req.CopyBody()))
-}
--- a/internal/js/response.go
+++ b/internal/js/response.go
@@ -1,39 +0,0 @@
-// Copyright 2021 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
-
-package js
-
-type Response struct {
-	r RequestInterface
-}
-
-func NewResponse(r RequestInterface) *Response {
-	return &Response{
-		r: r,
-	}
-}
-
-func (this *Response) Write(s string) error {
-	_, err := this.r.JSWriter().Write([]byte(s))
-	return err
-}
-
-func (this *Response) Reply(status int) {
-	this.SetStatus(status)
-	this.r.JSStop()
-}
-
-func (this *Response) Header() map[string][]string {
-	return this.r.JSWriter().Header()
-}
-
-func (this *Response) AddHeader(name string, value string) {
-	this.r.JSWriter().Header()[name] = append(this.r.JSWriter().Header()[name], value)
-}
-
-func (this *Response) SetHeader(name string, value string) {
-	this.r.JSWriter().Header()[name] = []string{value}
-}
-
-func (this *Response) SetStatus(statusCode int) {
-	this.r.JSWriter().WriteHeader(statusCode)
-}
--- a/internal/js/response_test.go
+++ b/internal/js/response_test.go
@@ -1,16 +0,0 @@
-// Copyright 2021 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
-
-package js_test
-
-import (
-	"github.com/TeaOSLab/EdgeNode/internal/js"
-	"testing"
-)
-
-func TestNewResponse(t *testing.T) {
-	var resp = js.NewResponse(&testRequest{})
-	resp.AddHeader("Vary", "1.0")
-	resp.AddHeader("Vary", "2.0")
-	resp.SetHeader("Server", "edgejs/1.0")
-	t.Logf("%#v", resp.Header())
-}
--- a/internal/js/url.go
+++ b/internal/js/url.go
@@ -1,90 +0,0 @@
-// Copyright 2021 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
-
-package js
-
-import (
-	"github.com/dop251/goja"
-	"github.com/iwind/TeaGo/types"
-	"net/url"
-)
-
-type URL struct {
-	u *url.URL
-}
-
-func NewURL(u *url.URL) *URL {
-	return &URL{
-		u: u,
-	}
-}
-
-func (this *URL) JSNew(args []goja.Value) *URL {
-	var urlString = ""
-	if len(args) == 1 {
-		urlString = args[0].String()
-	}
-	u, _ := url.Parse(urlString)
-	if u == nil {
-		u = &url.URL{}
-	}
-	return NewURL(u)
-}
-
-func (this *URL) Port() int {
-	return types.Int(this.u.Port())
-}
-
-func (this *URL) Args() map[string][]string {
-	return this.u.Query()
-}
-
-func (this *URL) Arg(name string) string {
-	return this.u.Query().Get(name)
-}
-
-func (this *URL) Username() string {
-	if this.u.User != nil {
-		return this.u.User.Username()
-	}
-	return ""
-}
-
-func (this *URL) Password() string {
-	if this.u.User != nil {
-		password, _ := this.u.User.Password()
-		return password
-	}
-	return ""
-}
-
-func (this *URL) Uri() string {
-	return this.u.RequestURI()
-}
-
-func (this *URL) Path() string {
-	return this.u.Path
-}
-
-func (this *URL) Host() string {
-	return this.u.Host
-}
-
-func (this *URL) Fragment() string {
-	return this.u.Fragment
-}
-
-func (this *URL) Hash() string {
-	if len(this.u.Fragment) > 0 {
-		return "#" + this.u.Fragment
-	} else {
-		return ""
-	}
-}
-
-func (this *URL) Scheme() string {
-	return this.u.Scheme
-}
-
-func (this *URL) String() string {
-	return this.u.String()
-}
--- a/internal/js/url_test.go
+++ b/internal/js/url_test.go
@@ -1,18 +0,0 @@
-// Copyright 2021 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
-
-package js
-
-import (
-	"net/url"
-	"testing"
-)
-
-func TestURL(t *testing.T) {
-	raw, err := url.Parse("https://iwind:123456@goedge.cn/docs?name=Libai&age=20#a=b")
-	if err != nil {
-		t.Fatal(err)
-	}
-	var u = NewURL(raw)
-	t.Log("host:", u.Host())
-	t.Log("hash:", u.Hash())
-}
--- a/internal/js/vm.go
+++ b/internal/js/vm.go
@@ -1,153 +0,0 @@
-// Copyright 2021 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
-
-package js
-
-import (
-	"errors"
-	"github.com/dop251/goja"
-	"github.com/iwind/TeaGo/logs"
-	"reflect"
-	"strings"
-)
-
-var sharedPrograms []*goja.Program
-var sharedConsole = &Console{}
-
-func init() {
-	// compile programs
-}
-
-type VM struct {
-	vm *goja.Runtime
-}
-
-func NewVM() *VM {
-	vm := goja.New()
-	vm.SetFieldNameMapper(goja.TagFieldNameMapper("json", true))
-
-	// programs
-	for _, program := range sharedPrograms {
-		_, _ = vm.RunProgram(program)
-	}
-
-	v := &VM{vm: vm}
-	v.initVM()
-	return v
-}
-
-func (this *VM) Set(name string, obj interface{}) error {
-	return this.vm.Set(name, obj)
-}
-
-func (this *VM) AddConstructor(name string, instance interface{}) error {
-	objType := reflect.TypeOf(instance)
-
-	if objType.Kind() != reflect.Ptr {
-		return errors.New("instance should be pointer")
-	}
-
-	// construct
-	newMethod, ok := objType.MethodByName("JSNew")
-	if !ok {
-		return errors.New("can not find 'JSNew()' method in '" + objType.Elem().Name() + "'")
-	}
-
-	var err = this.Set(name, func(call goja.ConstructorCall) *goja.Object {
-		if newMethod.Type.NumIn() != 2 {
-			this.throw(errors.New(objType.Elem().Name() + ".JSNew() should accept a '[]goja.Value' argument"))
-			return nil
-		}
-		if newMethod.Type.In(1).String() != "[]goja.Value" {
-			this.throw(errors.New(objType.Elem().Name() + ".JSNew() should accept a '[]goja.Value' argument"))
-			return nil
-		}
-
-		// new
-		var results = newMethod.Func.Call([]reflect.Value{reflect.ValueOf(instance), reflect.ValueOf(call.Arguments)})
-		if len(results) == 0 {
-			this.throw(errors.New(objType.Elem().Name() + ".JSNew() should return a valid instance"))
-			return nil
-		}
-		var result = results[0]
-		if result.Type() != objType {
-			this.throw(errors.New(objType.Elem().Name() + ".JSNew() should return a same instance"))
-			return nil
-		}
-
-		// methods
-		var resultType = result.Type()
-		var numMethod = result.NumMethod()
-		for i := 0; i < numMethod; i++ {
-			var method = resultType.Method(i)
-			var methodName = strings.ToLower(method.Name[:1]) + method.Name[1:]
-			err := call.This.Set(methodName, result.MethodByName(method.Name).Interface())
-			if err != nil {
-				this.throw(err)
-				continue
-			}
-		}
-
-		//  支持属性
-		var numField = result.Elem().Type().NumField()
-		for i := 0; i < numField; i++ {
-			var field = result.Elem().Field(i)
-			if !field.CanInterface() {
-				continue
-			}
-			var fieldType = objType.Elem().Field(i)
-			tag, ok := fieldType.Tag.Lookup("json")
-			if !ok {
-				tag = fieldType.Name
-				tag = strings.ToLower(tag[:1]) + tag[1:]
-			} else {
-				// TODO 校验tag是否符合变量语法
-			}
-			err := call.This.Set(tag, field.Interface())
-			if err != nil {
-				this.throw(err)
-				continue
-			}
-		}
-
-		return nil
-	})
-	return err
-}
-
-func (this *VM) RunString(str string) (goja.Value, error) {
-	defer func() {
-		e := recover()
-		if e != nil {
-			// TODO 需要打印trace
-			logs.Println("panic:", e)
-		}
-	}()
-	return this.vm.RunString(str)
-}
-
-func (this *VM) SetRequest(req RequestInterface) {
-	{
-		err := this.vm.Set("http", NewHTTP(req))
-		if err != nil {
-			this.throw(err)
-		}
-	}
-}
-
-func (this *VM) initVM() {
-	{
-		err := this.vm.Set("console", sharedConsole)
-		if err != nil {
-			this.throw(err)
-		}
-	}
-}
-
-func (this *VM) throw(err error) {
-	if err == nil {
-		return
-	}
-
-	// TODO
-	logs.Println("js:VM:error: " + err.Error())
-}
--- a/internal/js/vm_test.go
+++ b/internal/js/vm_test.go
@@ -1,158 +0,0 @@
-// Copyright 2021 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
-
-package js
-
-import (
-	"github.com/dop251/goja"
-	"testing"
-	"time"
-)
-
-func TestNewVM(t *testing.T) {
-	before := time.Now()
-	defer func() {
-		t.Log(time.Since(before).Seconds()*1000, "ms")
-	}()
-
-	vm := NewVM()
-	{
-		v, err := vm.RunString("JSON.stringify({\"a\":\"b\"})")
-		if err != nil {
-			t.Fatal(err)
-		}
-		t.Log("JSON.stringify():", v)
-	}
-	{
-		v, err := vm.RunString(`JSON.parse('{\"a\":\"b\"}')`)
-		if err != nil {
-			t.Fatal(err)
-		}
-		t.Log("JSON.parse():", v)
-	}
-	{
-		err := vm.AddConstructor("Url", &URL{})
-		if err != nil {
-			t.Fatal("add constructor error:", err)
-		}
-		_, err = vm.RunString(`
-{
-	let u = new Url("https://goedge.cn/docs?v=1")
-	console.log("host:", u.host(), u.uri())
-}
-{
-	let u = new Url("https://teaos.cn/downloads?v=1")
-	console.log("host:", u.host(), u.uri())
-}
-
-{
-	let u = new Url()
-	console.log("host:", u.host(), u.uri())
-}
-
-{
-	let u = new Url("a", "b", "c")
-	console.log("host:", u.host(), u.uri())
-}
-`)
-		if err != nil {
-			t.Fatal("add constructor error:" + err.Error())
-		}
-	}
-}
-
-func TestVM_Program(t *testing.T) {
-	var s = `
-{
-	let u = new Url("https://goedge.cn/docs?v=1")
-	//console.log("host:", u.host(), u.uri())
-}
-{
-	let u = new Url("https://teaos.cn/downloads?v=1")
-	//console.log("host:", u.host(), u.uri())
-}
-
-{
-	let u = new Url()
-	//console.log("host:", u.host(), u.uri())
-}
-
-{
-	let u = new Url("a", "b", "c")
-	//console.log("host:", u.host(), u.uri())
-}
-`
-	program := goja.MustCompile("s", s, true)
-
-	before := time.Now()
-	defer func() {
-		t.Log(time.Since(before).Seconds()*1000, "ms")
-	}()
-
-	vm := NewVM()
-	err := vm.AddConstructor("Url", &URL{})
-	if err != nil {
-		t.Fatal("add constructor error:", err)
-	}
-	//_, err = vm.RunString(s)
-	_, err = vm.vm.RunProgram(program)
-	if err != nil {
-		t.Fatal("add constructor error:" + err.Error())
-	}
-}
-
-func Benchmark_Program(b *testing.B) {
-	var s = `
-{
-	let u = new Url("https://goedge.cn/docs?v=1")
-	//console.log("host:", u.host(), u.uri())
-}
-{
-	let u = new Url("https://teaos.cn/downloads?v=1")
-	//console.log("host:", u.host(), u.uri())
-}
-
-{
-	let u = new Url()
-	//console.log("host:", u.host(), u.uri())
-}
-
-{
-	let u = new Url("a", "b", "c")
-	//console.log("host:", u.host(), u.uri())
-}
-{
-	let u = new Url("https://goedge.cn/docs?v=1")
-	//console.log("host:", u.host(), u.uri())
-}
-{
-	let u = new Url("https://teaos.cn/downloads?v=1")
-	//console.log("host:", u.host(), u.uri())
-}
-
-{
-	let u = new Url()
-	//console.log("host:", u.host(), u.uri())
-}
-
-{
-	let u = new Url("a", "b", "c")
-	//console.log("host:", u.host(), u.uri())
-}
-`
-	program := goja.MustCompile("s", s, true)
-
-	vm := NewVM()
-
-	err := vm.AddConstructor("Url", &URL{})
-	if err != nil {
-		b.Fatal("add constructor error:", err)
-	}
-
-	for i := 0; i < b.N; i++ {
-		//_, err = vm.RunString(s)
-		_, err = vm.vm.RunProgram(program)
-		if err != nil {
-			b.Fatal("add constructor error:" + err.Error())
-		}
-	}
-}
--- a/internal/metrics/task.go
+++ b/internal/metrics/task.go
@@ -7,10 +7,12 @@ import (
 	"encoding/json"
 	"github.com/TeaOSLab/EdgeCommon/pkg/rpc/pb"
 	"github.com/TeaOSLab/EdgeCommon/pkg/serverconfigs"
+	"github.com/TeaOSLab/EdgeNode/internal/goman"
 	"github.com/TeaOSLab/EdgeNode/internal/remotelogs"
 	"github.com/TeaOSLab/EdgeNode/internal/rpc"
 	"github.com/TeaOSLab/EdgeNode/internal/trackers"
 	"github.com/TeaOSLab/EdgeNode/internal/utils"
+	"github.com/TeaOSLab/EdgeNode/internal/zero"
 	"github.com/iwind/TeaGo/Tea"
 	_ "github.com/mattn/go-sqlite3"
 	"os"
@@ -51,8 +53,8 @@ type Task struct {
 	selectTopStmt           *sql.Stmt
 	sumStmt                 *sql.Stmt

-	serverIdMap       map[int64]bool  // 所有的服务Ids
-	timeMap           map[string]bool // time => bool
+	serverIdMap       map[int64]zero.Zero  // 所有的服务Ids
+	timeMap           map[string]zero.Zero // time => bool
 	serverIdMapLocker sync.Mutex

 	statsMap    map[string]*Stat
@@ -64,8 +66,8 @@ type Task struct {
 func NewTask(item *serverconfigs.MetricItemConfig) *Task {
 	return &Task{
 		item:        item,
-		serverIdMap: map[int64]bool{},
-		timeMap:     map[string]bool{},
+		serverIdMap: map[int64]zero.Zero{},
+		timeMap:     map[string]zero.Zero{},
 		statsMap:    map[string]*Stat{},
 	}
 }
@@ -163,7 +165,7 @@ ON "` + this.statTableName + `" (
 func (this *Task) Start() error {
 	// 读取数据
 	this.statsTicker = utils.NewTicker(1 * time.Minute)
-	go func() {
+	goman.New(func() {
 		for this.statsTicker.Next() {
 			var tr = trackers.Begin("[METRIC]DUMP_STATS_TO_LOCAL_DATABASE")

@@ -181,11 +183,11 @@ func (this *Task) Start() error {

 			tr.End()
 		}
-	}()
+	})

 	// 清理
 	this.cleanTicker = utils.NewTicker(24 * time.Hour)
-	go func() {
+	goman.New(func() {
 		for this.cleanTicker.Next() {
 			var tr = trackers.Begin("[METRIC]CLEAN_EXPIRED")
 			err := this.CleanExpired()
@@ -194,11 +196,11 @@ func (this *Task) Start() error {
 				remotelogs.Error("METRIC", "clean expired stats failed: "+err.Error())
 			}
 		}
-	}()
+	})

 	// 上传
 	this.uploadTicker = utils.NewTicker(this.item.UploadDuration())
-	go func() {
+	goman.New(func() {
 		for this.uploadTicker.Next() {
 			var tr = trackers.Begin("[METRIC]UPLOAD_STATS")
 			err := this.Upload(1 * time.Second)
@@ -207,7 +209,7 @@ func (this *Task) Start() error {
 				remotelogs.Error("METRIC", "upload stats failed: "+err.Error())
 			}
 		}
-	}()
+	})

 	return nil
 }
@@ -293,8 +295,8 @@ func (this *Task) InsertStat(stat *Stat) error {
 	}

 	this.serverIdMapLocker.Lock()
-	this.serverIdMap[stat.ServerId] = true
-	this.timeMap[stat.Time] = true
+	this.serverIdMap[stat.ServerId] = zero.New()
+	this.timeMap[stat.Time] = zero.New()
 	this.serverIdMapLocker.Unlock()

 	keyData, err := json.Marshal(stat.Keys)
@@ -346,14 +348,14 @@ func (this *Task) Upload(pauseDuration time.Duration) error {
 	for serverId := range this.serverIdMap {
 		serverIds = append(serverIds, serverId)
 	}
-	this.serverIdMap = map[int64]bool{} // 清空数据
+	this.serverIdMap = map[int64]zero.Zero{} // 清空数据

 	// 时间
 	var times = []string{}
 	for t := range this.timeMap {
 		times = append(times, t)
 	}
-	this.timeMap = map[string]bool{} // 清空数据
+	this.timeMap = map[string]zero.Zero{} // 清空数据

 	this.serverIdMapLocker.Unlock()

@@ -470,7 +472,7 @@ func (this *Task) loadServerIdMap() error {
 				return err
 			}
 			this.serverIdMapLocker.Lock()
-			this.serverIdMap[serverId] = true
+			this.serverIdMap[serverId] = zero.New()
 			this.serverIdMapLocker.Unlock()
 		}
 	}
@@ -491,7 +493,7 @@ func (this *Task) loadServerIdMap() error {
 				return err
 			}
 			this.serverIdMapLocker.Lock()
-			this.timeMap[timeString] = true
+			this.timeMap[timeString] = zero.New()
 			this.serverIdMapLocker.Unlock()
 		}
 	}
--- a/internal/monitor/value_queue.go
+++ b/internal/monitor/value_queue.go
@@ -6,6 +6,7 @@ import (
 	"encoding/json"
 	"github.com/TeaOSLab/EdgeCommon/pkg/rpc/pb"
 	"github.com/TeaOSLab/EdgeNode/internal/events"
+	"github.com/TeaOSLab/EdgeNode/internal/goman"
 	"github.com/TeaOSLab/EdgeNode/internal/remotelogs"
 	"github.com/TeaOSLab/EdgeNode/internal/rpc"
 	"github.com/iwind/TeaGo/maps"
@@ -16,7 +17,9 @@ var SharedValueQueue = NewValueQueue()

 func init() {
 	events.On(events.EventLoaded, func() {
-		go SharedValueQueue.Start()
+		goman.New(func() {
+			SharedValueQueue.Start()
+		})
 	})
 }

--- a/internal/nodes/api_stream.go
+++ b/internal/nodes/api_stream.go
@@ -9,10 +9,12 @@ import (
 	"github.com/TeaOSLab/EdgeCommon/pkg/rpc/pb"
 	"github.com/TeaOSLab/EdgeCommon/pkg/serverconfigs"
 	"github.com/TeaOSLab/EdgeNode/internal/caches"
+	"github.com/TeaOSLab/EdgeNode/internal/compressions"
 	"github.com/TeaOSLab/EdgeNode/internal/configs"
 	teaconst "github.com/TeaOSLab/EdgeNode/internal/const"
 	"github.com/TeaOSLab/EdgeNode/internal/errors"
 	"github.com/TeaOSLab/EdgeNode/internal/events"
+	"github.com/TeaOSLab/EdgeNode/internal/goman"
 	"github.com/TeaOSLab/EdgeNode/internal/remotelogs"
 	"github.com/TeaOSLab/EdgeNode/internal/rpc"
 	"github.com/TeaOSLab/EdgeNode/internal/utils"
@@ -30,6 +32,9 @@ import (

 type APIStream struct {
 	stream pb.NodeService_NodeStreamClient
+
+	isQuiting  bool
+	cancelFunc context.CancelFunc
 }

 func NewAPIStream() *APIStream {
@@ -37,12 +42,14 @@ func NewAPIStream() *APIStream {
 }

 func (this *APIStream) Start() {
-	isQuiting := false
-	events.On(events.EventQuit, func() {
-		isQuiting = true
+	events.OnKey(events.EventQuit, this, func() {
+		this.isQuiting = true
+		if this.cancelFunc != nil {
+			this.cancelFunc()
+		}
 	})
 	for {
-		if isQuiting {
+		if this.isQuiting {
 			return
 		}
 		err := this.loop()
@@ -60,19 +67,17 @@ func (this *APIStream) loop() error {
 	if err != nil {
 		return errors.Wrap(err)
 	}
-	isQuiting := false
-	ctx, cancelFunc := context.WithCancel(rpcClient.Context())
-	nodeStream, err := rpcClient.NodeRPC().NodeStream(ctx)
-	events.On(events.EventQuit, func() {
-		isQuiting = true

-		remotelogs.Println("API_STREAM", "quiting")
-		if nodeStream != nil {
-			cancelFunc()
-		}
-	})
+	ctx, cancelFunc := context.WithCancel(rpcClient.Context())
+	this.cancelFunc = cancelFunc
+
+	defer func() {
+		cancelFunc()
+	}()
+
+	nodeStream, err := rpcClient.NodeRPC().NodeStream(ctx)
 	if err != nil {
-		if isQuiting {
+		if this.isQuiting {
 			return nil
 		}
 		return errors.Wrap(err)
@@ -80,14 +85,14 @@ func (this *APIStream) loop() error {
 	this.stream = nodeStream

 	for {
-		if isQuiting {
+		if this.isQuiting {
 			remotelogs.Println("API_STREAM", "quit")
 			break
 		}

 		message, err := nodeStream.Recv()
 		if err != nil {
-			if isQuiting {
+			if this.isQuiting {
 				remotelogs.Println("API_STREAM", "quit")
 				return nil
 			}
@@ -139,15 +144,11 @@ func (this *APIStream) handleConnectedAPINode(message *pb.NodeStreamMessage) err
 		return errors.Wrap(err)
 	}

-	rpcClient, err := rpc.SharedRPC()
+	_, err = rpc.SharedRPC()
 	if err != nil {
 		return errors.Wrap(err)
 	}

-	_, err = rpcClient.NodeRPC().UpdateNodeConnectedAPINodes(rpcClient.Context(), &pb.UpdateNodeConnectedAPINodesRequest{ApiNodeIds: []int64{msg.APINodeId}})
-	if err != nil {
-		return errors.Wrap(err)
-	}
 	remotelogs.Println("API_STREAM", "connected to api node '"+strconv.FormatInt(msg.APINodeId, 10)+"'")

 	// 重新读取配置
@@ -182,7 +183,7 @@ func (this *APIStream) handleWriteCache(message *pb.NodeStreamMessage) error {
 	}

 	expiredAt := time.Now().Unix() + msg.LifeSeconds
-	writer, err := storage.OpenWriter(msg.Key, expiredAt, 200)
+	writer, err := storage.OpenWriter(msg.Key, expiredAt, 200, int64(len(msg.Value)), false)
 	if err != nil {
 		this.replyFail(message.RequestId, "prepare writing failed: "+err.Error())
 		return err
@@ -239,7 +240,7 @@ func (this *APIStream) handleReadCache(message *pb.NodeStreamMessage) error {
 		}()
 	}

-	reader, err := storage.OpenReader(msg.Key)
+	reader, err := storage.OpenReader(msg.Key, false)
 	if err != nil {
 		if err == caches.ErrNotFound {
 			this.replyFail(message.RequestId, "key not found")
@@ -350,7 +351,12 @@ func (this *APIStream) handlePurgeCache(message *pb.NodeStreamMessage) error {
 	if msg.Type == "file" {
 		var keys = msg.Keys
 		for _, key := range keys {
-			keys = append(keys, key+webpSuffix)
+			keys = append(keys, key+webpCacheSuffix, key+cacheMethodSuffix+"HEAD")
+			// TODO 根据实际缓存的内容进行组合
+			for _, encoding := range compressions.AllEncodings() {
+				keys = append(keys, key+compressionCacheSuffix+encoding)
+				keys = append(keys, key+webpCacheSuffix+compressionCacheSuffix+encoding)
+			}
 		}
 		msg.Keys = keys
 	}
@@ -462,7 +468,7 @@ func (this *APIStream) handlePreheatCache(message *pb.NodeStreamMessage) error {
 			}

 			expiredAt := time.Now().Unix() + 8600
-			writer, err := storage.OpenWriter(key, expiredAt, 200) // TODO 可以设置缓存过期时间
+			writer, err := storage.OpenWriter(key, expiredAt, 200, resp.ContentLength, false) // TODO 可以设置缓存过期时间
 			if err != nil {
 				locker.Lock()
 				errorMessages = append(errorMessages, "open cache writer failed: "+key+": "+err.Error())
@@ -607,7 +613,7 @@ func (this *APIStream) handleChangeAPINode(message *pb.NodeStreamMessage) error

 	this.replyOk(message.RequestId, "")

-	go func() {
+	goman.New(func() {
 		// 延后生效，防止变更前的API无法读取到状态
 		time.Sleep(1 * time.Second)

@@ -629,7 +635,7 @@ func (this *APIStream) handleChangeAPINode(message *pb.NodeStreamMessage) error

 		remotelogs.Println("API_STREAM", "change rpc endpoint to '"+
 			messageData.Addr+"' successfully")
-	}()
+	})

 	return nil
 }
--- a/internal/nodes/client_conn.go
+++ b/internal/nodes/client_conn.go
@@ -4,64 +4,82 @@ package nodes

 import (
 	"github.com/TeaOSLab/EdgeCommon/pkg/nodeconfigs"
+	"github.com/TeaOSLab/EdgeCommon/pkg/serverconfigs/firewallconfigs"
 	teaconst "github.com/TeaOSLab/EdgeNode/internal/const"
-	"github.com/TeaOSLab/EdgeNode/internal/events"
-	"github.com/TeaOSLab/EdgeNode/internal/monitor"
-	"github.com/iwind/TeaGo/maps"
+	"github.com/TeaOSLab/EdgeNode/internal/iplibrary"
+	"github.com/TeaOSLab/EdgeNode/internal/ratelimit"
+	"github.com/TeaOSLab/EdgeNode/internal/ttlcache"
+	"github.com/TeaOSLab/EdgeNode/internal/utils"
+	"github.com/TeaOSLab/EdgeNode/internal/waf"
+	"github.com/iwind/TeaGo/types"
 	"net"
+	"os"
+	"sync"
 	"sync/atomic"
 	"time"
 )

-// 发送监控流量
-func init() {
-	events.On(events.EventStart, func() {
-		ticker := time.NewTicker(1 * time.Minute)
-		go func() {
-			for range ticker.C {
-				// 加入到数据队列中
-				if teaconst.InTrafficBytes > 0 {
-					monitor.SharedValueQueue.Add(nodeconfigs.NodeValueItemTrafficIn, maps.Map{
-						"total": teaconst.InTrafficBytes,
-					})
-				}
-				if teaconst.OutTrafficBytes > 0 {
-					monitor.SharedValueQueue.Add(nodeconfigs.NodeValueItemTrafficOut, maps.Map{
-						"total": teaconst.OutTrafficBytes,
-					})
-				}
-
-				// 重置数据
-				atomic.StoreUint64(&teaconst.InTrafficBytes, 0)
-				atomic.StoreUint64(&teaconst.OutTrafficBytes, 0)
-			}
-		}()
-	})
-}
-
 // ClientConn 客户端连接
 type ClientConn struct {
-	rawConn  net.Conn
-	isClosed bool
+	once          sync.Once
+	globalLimiter *ratelimit.Counter
+
+	isTLS       bool
+	hasDeadline bool
+	hasRead     bool
+
+	hasResetSYNFlood bool
+
+	BaseClientConn
 }

-func NewClientConn(conn net.Conn, quickClose bool) net.Conn {
+func NewClientConn(conn net.Conn, isTLS bool, quickClose bool, globalLimiter *ratelimit.Counter) net.Conn {
 	if quickClose {
+		// TCP
 		tcpConn, ok := conn.(*net.TCPConn)
 		if ok {
-			// TODO 可以设置此值
-			_ = tcpConn.SetLinger(3)
+			// TODO 可以在配置中设置此值
+			_ = tcpConn.SetLinger(nodeconfigs.DefaultTCPLinger)
 		}
 	}

-	return &ClientConn{rawConn: conn}
+	return &ClientConn{BaseClientConn: BaseClientConn{rawConn: conn}, isTLS: isTLS, globalLimiter: globalLimiter}
 }

 func (this *ClientConn) Read(b []byte) (n int, err error) {
+	if this.isTLS {
+		if !this.hasDeadline {
+			_ = this.rawConn.SetReadDeadline(time.Now().Add(time.Duration(nodeconfigs.DefaultTLSHandshakeTimeout) * time.Second)) // TODO 握手超时时间可以设置
+			this.hasDeadline = true
+			defer func() {
+				_ = this.rawConn.SetReadDeadline(time.Time{})
+			}()
+		}
+	}
+
 	n, err = this.rawConn.Read(b)
 	if n > 0 {
 		atomic.AddUint64(&teaconst.InTrafficBytes, uint64(n))
+		if !this.hasRead {
+			this.hasRead = true
+		}
 	}
+
+	// SYN Flood检测
+	var isHandshakeError = err != nil && os.IsTimeout(err) && !this.hasRead
+	if isHandshakeError {
+		_ = this.SetLinger(0)
+	}
+	var synFloodConfig = sharedNodeConfig.SYNFloodConfig()
+	if synFloodConfig != nil && synFloodConfig.IsOn {
+		if isHandshakeError {
+			this.increaseSYNFlood(synFloodConfig)
+		} else if err == nil && !this.hasResetSYNFlood {
+			this.hasResetSYNFlood = true
+			this.resetSYNFlood()
+		}
+	}
+
 	return
 }

@@ -75,7 +93,20 @@ func (this *ClientConn) Write(b []byte) (n int, err error) {

 func (this *ClientConn) Close() error {
 	this.isClosed = true
-	return this.rawConn.Close()
+
+	err := this.rawConn.Close()
+
+	// 全局并发数限制
+	this.once.Do(func() {
+		if this.globalLimiter != nil {
+			this.globalLimiter.Release()
+		}
+	})
+
+	// 单个服务并发数限制
+	sharedClientConnLimiter.Remove(this.rawConn.RemoteAddr().String())
+
+	return err
 }

 func (this *ClientConn) LocalAddr() net.Addr {
@@ -98,6 +129,29 @@ func (this *ClientConn) SetWriteDeadline(t time.Time) error {
 	return this.rawConn.SetWriteDeadline(t)
 }

-func (this *ClientConn) IsClosed() bool {
-	return this.isClosed
+func (this *ClientConn) resetSYNFlood() {
+	ttlcache.SharedCache.Delete("SYN_FLOOD:" + this.RawIP())
+}
+
+func (this *ClientConn) increaseSYNFlood(synFloodConfig *firewallconfigs.SYNFloodConfig) {
+	var ip = this.RawIP()
+	if len(ip) > 0 && !iplibrary.IsInWhiteList(ip) && (!synFloodConfig.IgnoreLocal || !utils.IsLocalIP(ip)) {
+		var timestamp = utils.NextMinuteUnixTime()
+		var result = ttlcache.SharedCache.IncreaseInt64("SYN_FLOOD:"+ip, 1, timestamp)
+		var minAttempts = synFloodConfig.MinAttempts
+		if minAttempts < 5 {
+			minAttempts = 5
+		}
+		if !this.isTLS {
+			// 非TLS，设置为两倍，防止误封
+			minAttempts = 2 * minAttempts
+		}
+		if result >= int64(minAttempts) {
+			var timeout = synFloodConfig.TimeoutSeconds
+			if timeout <= 0 {
+				timeout = 600
+			}
+			waf.SharedIPBlackList.RecordIP(waf.IPTypeAll, firewallconfigs.FirewallScopeGlobal, 0, ip, time.Now().Unix()+int64(timeout), 0, true, 0, 0, "疑似SYN Flood攻击，当前1分钟"+types.String(result)+"次空连接")
+		}
+	}
 }
--- a/internal/nodes/client_conn_base.go
+++ b/internal/nodes/client_conn_base.go
@@ -0,0 +1,58 @@
+// Copyright 2021 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
+
+package nodes
+
+import "net"
+
+type BaseClientConn struct {
+	rawConn net.Conn
+
+	isBound    bool
+	serverId   int64
+	remoteAddr string
+
+	isClosed bool
+}
+
+func (this *BaseClientConn) IsClosed() bool {
+	return this.isClosed
+}
+
+// IsBound 是否已绑定服务
+func (this *BaseClientConn) IsBound() bool {
+	return this.isBound
+}
+
+// Bind 绑定服务
+func (this *BaseClientConn) Bind(serverId int64, remoteAddr string, maxConnsPerServer int, maxConnsPerIP int) bool {
+	if this.isBound {
+		return true
+	}
+	this.isBound = true
+	this.serverId = serverId
+	this.remoteAddr = remoteAddr
+
+	// 检查是否可以连接
+	return sharedClientConnLimiter.Add(this.rawConn.RemoteAddr().String(), serverId, remoteAddr, maxConnsPerServer, maxConnsPerIP)
+}
+
+// RawIP 原本IP
+func (this *BaseClientConn) RawIP() string {
+	ip, _, _ := net.SplitHostPort(this.rawConn.RemoteAddr().String())
+	return ip
+}
+
+// TCPConn 转换为TCPConn
+func (this *BaseClientConn) TCPConn() (*net.TCPConn, bool) {
+	conn, ok := this.rawConn.(*net.TCPConn)
+	return conn, ok
+}
+
+// SetLinger 设置Linger
+func (this *BaseClientConn) SetLinger(seconds int) error {
+	tcpConn, ok := this.TCPConn()
+	if ok {
+		return tcpConn.SetLinger(seconds)
+	}
+	return nil
+}
--- a/internal/nodes/client_conn_interface.go
+++ b/internal/nodes/client_conn_interface.go
@@ -0,0 +1,14 @@
+// Copyright 2021 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
+
+package nodes
+
+type ClientConnInterface interface {
+	// IsClosed 是否已关闭
+	IsClosed() bool
+
+	// IsBound 是否已绑定服务
+	IsBound() bool
+
+	// Bind 绑定服务
+	Bind(serverId int64, remoteAddr string, maxConnsPerServer int, maxConnsPerIP int) bool
+}
--- a/internal/nodes/client_conn_limiter.go
+++ b/internal/nodes/client_conn_limiter.go
@@ -0,0 +1,130 @@
+// Copyright 2021 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
+
+package nodes
+
+import (
+	"github.com/TeaOSLab/EdgeNode/internal/zero"
+	"sync"
+)
+
+var sharedClientConnLimiter = NewClientConnLimiter()
+
+// ClientConnRemoteAddr 客户端地址定义
+type ClientConnRemoteAddr struct {
+	remoteAddr string
+	serverId   int64
+}
+
+// ClientConnLimiter 客户端连接数限制
+type ClientConnLimiter struct {
+	remoteAddrMap map[string]*ClientConnRemoteAddr // raw remote addr => remoteAddr
+	ipConns       map[string]map[string]zero.Zero  // remoteAddr => { raw remote addr => Zero }
+	serverConns   map[int64]map[string]zero.Zero   // serverId => { remoteAddr => Zero }
+
+	locker sync.Mutex
+}
+
+func NewClientConnLimiter() *ClientConnLimiter {
+	return &ClientConnLimiter{
+		remoteAddrMap: map[string]*ClientConnRemoteAddr{},
+		ipConns:       map[string]map[string]zero.Zero{},
+		serverConns:   map[int64]map[string]zero.Zero{},
+	}
+}
+
+// Add 添加新连接
+// 返回值为true的时候表示允许添加；否则表示不允许添加
+func (this *ClientConnLimiter) Add(rawRemoteAddr string, serverId int64, remoteAddr string, maxConnsPerServer int, maxConnsPerIP int) bool {
+	if (maxConnsPerServer <= 0 && maxConnsPerIP <= 0) || len(remoteAddr) == 0 || serverId <= 0 {
+		return true
+	}
+
+	this.locker.Lock()
+	defer this.locker.Unlock()
+
+	// 检查服务连接数
+	var serverMap = this.serverConns[serverId]
+	if maxConnsPerServer > 0 {
+		if serverMap == nil {
+			serverMap = map[string]zero.Zero{}
+			this.serverConns[serverId] = serverMap
+		}
+
+		if maxConnsPerServer <= len(serverMap) {
+			return false
+		}
+	}
+
+	// 检查IP连接数
+	var ipMap = this.ipConns[remoteAddr]
+	if maxConnsPerIP > 0 {
+		if ipMap == nil {
+			ipMap = map[string]zero.Zero{}
+			this.ipConns[remoteAddr] = ipMap
+		}
+		if maxConnsPerIP > 0 && maxConnsPerIP <= len(ipMap) {
+			return false
+		}
+	}
+
+	this.remoteAddrMap[rawRemoteAddr] = &ClientConnRemoteAddr{
+		remoteAddr: remoteAddr,
+		serverId:   serverId,
+	}
+
+	if maxConnsPerServer > 0 {
+		serverMap[rawRemoteAddr] = zero.New()
+	}
+	if maxConnsPerIP > 0 {
+		ipMap[rawRemoteAddr] = zero.New()
+	}
+
+	return true
+}
+
+// Remove 删除连接
+func (this *ClientConnLimiter) Remove(rawRemoteAddr string) {
+	this.locker.Lock()
+	defer this.locker.Unlock()
+
+	addr, ok := this.remoteAddrMap[rawRemoteAddr]
+	if !ok {
+		return
+	}
+
+	delete(this.remoteAddrMap, rawRemoteAddr)
+	delete(this.ipConns[addr.remoteAddr], rawRemoteAddr)
+	delete(this.serverConns[addr.serverId], rawRemoteAddr)
+
+	if len(this.ipConns[addr.remoteAddr]) == 0 {
+		delete(this.ipConns, addr.remoteAddr)
+	}
+
+	if len(this.serverConns[addr.serverId]) == 0 {
+		delete(this.serverConns, addr.serverId)
+	}
+}
+
+// Conns 获取连接信息
+// 用于调试
+func (this *ClientConnLimiter) Conns() (ipConns map[string][]string, serverConns map[int64][]string) {
+	this.locker.Lock()
+	defer this.locker.Unlock()
+
+	ipConns = map[string][]string{}    // ip => [addr1, addr2, ...]
+	serverConns = map[int64][]string{} // serverId => [addr1, addr2, ...]
+
+	for ip, m := range this.ipConns {
+		for addr := range m {
+			ipConns[ip] = append(ipConns[ip], addr)
+		}
+	}
+
+	for serverId, m := range this.serverConns {
+		for addr := range m {
+			serverConns[serverId] = append(serverConns[serverId], addr)
+		}
+	}
+
+	return
+}
--- a/internal/nodes/client_conn_limiter_test.go
+++ b/internal/nodes/client_conn_limiter_test.go
@@ -0,0 +1,38 @@
+// Copyright 2021 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
+
+package nodes
+
+import (
+	"github.com/iwind/TeaGo/logs"
+	"testing"
+)
+
+func TestClientConnLimiter_Add(t *testing.T) {
+	var limiter = NewClientConnLimiter()
+	{
+		b := limiter.Add("127.0.0.1:1234", 1, "192.168.1.100", 10, 5)
+		t.Log(b)
+	}
+	{
+		b := limiter.Add("127.0.0.1:1235", 1, "192.168.1.100", 10, 5)
+		t.Log(b)
+	}
+	{
+		b := limiter.Add("127.0.0.1:1236", 1, "192.168.1.100", 10, 5)
+		t.Log(b)
+	}
+	{
+		b := limiter.Add("127.0.0.1:1237", 1, "192.168.1.101", 10, 5)
+		t.Log(b)
+	}
+	{
+		b := limiter.Add("127.0.0.1:1238", 1, "192.168.1.100", 5, 5)
+		t.Log(b)
+	}
+	limiter.Remove("127.0.0.1:1238")
+	limiter.Remove("127.0.0.1:1239")
+	limiter.Remove("127.0.0.1:1237")
+	logs.PrintAsJSON(limiter.remoteAddrMap, t)
+	logs.PrintAsJSON(limiter.ipConns, t)
+	logs.PrintAsJSON(limiter.serverConns, t)
+}
--- a/internal/nodes/client_conn_traffic.go
+++ b/internal/nodes/client_conn_traffic.go
@@ -0,0 +1,40 @@
+// Copyright 2021 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
+
+package nodes
+
+import (
+	"github.com/TeaOSLab/EdgeCommon/pkg/nodeconfigs"
+	teaconst "github.com/TeaOSLab/EdgeNode/internal/const"
+	"github.com/TeaOSLab/EdgeNode/internal/events"
+	"github.com/TeaOSLab/EdgeNode/internal/goman"
+	"github.com/TeaOSLab/EdgeNode/internal/monitor"
+	"github.com/iwind/TeaGo/maps"
+	"sync/atomic"
+	"time"
+)
+
+// 发送监控流量
+func init() {
+	events.On(events.EventStart, func() {
+		var ticker = time.NewTicker(1 * time.Minute)
+		goman.New(func() {
+			for range ticker.C {
+				// 加入到数据队列中
+				if teaconst.InTrafficBytes > 0 {
+					monitor.SharedValueQueue.Add(nodeconfigs.NodeValueItemTrafficIn, maps.Map{
+						"total": teaconst.InTrafficBytes,
+					})
+				}
+				if teaconst.OutTrafficBytes > 0 {
+					monitor.SharedValueQueue.Add(nodeconfigs.NodeValueItemTrafficOut, maps.Map{
+						"total": teaconst.OutTrafficBytes,
+					})
+				}
+
+				// 重置数据
+				atomic.StoreUint64(&teaconst.InTrafficBytes, 0)
+				atomic.StoreUint64(&teaconst.OutTrafficBytes, 0)
+			}
+		})
+	})
+}
--- a/internal/nodes/client_conn_utils.go
+++ b/internal/nodes/client_conn_utils.go
@@ -11,12 +11,10 @@ func isClientConnClosed(conn net.Conn) bool {
 	if conn == nil {
 		return true
 	}
-	clientConn, ok := conn.(*ClientConn)
+	clientConn, ok := conn.(ClientConnInterface)
 	if ok {
 		return clientConn.IsClosed()
 	}

-	// TODO 解决tls.Conn无法获取底层连接对象的问题
-
-	return false
+	return true
 }
--- a/internal/nodes/client_listener.go
+++ b/internal/nodes/client_listener.go
@@ -3,30 +3,49 @@
 package nodes

 import (
+	"github.com/TeaOSLab/EdgeCommon/pkg/nodeconfigs"
 	"github.com/TeaOSLab/EdgeCommon/pkg/serverconfigs/firewallconfigs"
 	"github.com/TeaOSLab/EdgeNode/internal/iplibrary"
+	"github.com/TeaOSLab/EdgeNode/internal/ratelimit"
 	"github.com/TeaOSLab/EdgeNode/internal/waf"
 	"net"
 )

+var sharedConnectionsLimiter = ratelimit.NewCounter(nodeconfigs.DefaultTCPMaxConnections)
+
 // ClientListener 客户端网络监听
 type ClientListener struct {
 	rawListener net.Listener
+	isTLS       bool
 	quickClose  bool
 }

-func NewClientListener(listener net.Listener, quickClose bool) net.Listener {
+func NewClientListener(listener net.Listener, quickClose bool) *ClientListener {
 	return &ClientListener{
 		rawListener: listener,
 		quickClose:  quickClose,
 	}
 }

+func (this *ClientListener) SetIsTLS(isTLS bool) {
+	this.isTLS = isTLS
+}
+
+func (this *ClientListener) IsTLS() bool {
+	return this.isTLS
+}
+
 func (this *ClientListener) Accept() (net.Conn, error) {
+	// 限制并发连接数
+	var limiter = sharedConnectionsLimiter
+	limiter.Ack()
+
 	conn, err := this.rawListener.Accept()
 	if err != nil {
+		limiter.Release()
 		return nil, err
 	}
+
 	// 是否在WAF名单中
 	ip, _, err := net.SplitHostPort(conn.RemoteAddr().String())
 	if err == nil {
@@ -38,11 +57,12 @@ func (this *ClientListener) Accept() (net.Conn, error) {
 			}

 			_ = conn.Close()
+			limiter.Release()
 			return this.Accept()
 		}
 	}

-	return NewClientConn(conn, this.quickClose), nil
+	return NewClientConn(conn, this.isTLS, this.quickClose, limiter), nil
 }

 func (this *ClientListener) Close() error {
--- a/internal/nodes/client_tls_conn.go
+++ b/internal/nodes/client_tls_conn.go
@@ -0,0 +1,57 @@
+// Copyright 2021 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
+
+package nodes
+
+import (
+	"crypto/tls"
+	"net"
+	"time"
+)
+
+// ClientTLSConn TLS连接封装
+type ClientTLSConn struct {
+	BaseClientConn
+}
+
+func NewClientTLSConn(conn *tls.Conn) net.Conn {
+	return &ClientTLSConn{BaseClientConn{rawConn: conn}}
+}
+
+func (this *ClientTLSConn) Read(b []byte) (n int, err error) {
+	n, err = this.rawConn.Read(b)
+	return
+}
+
+func (this *ClientTLSConn) Write(b []byte) (n int, err error) {
+	n, err = this.rawConn.Write(b)
+	return
+}
+
+func (this *ClientTLSConn) Close() error {
+	this.isClosed = true
+
+	// 单个服务并发数限制
+	sharedClientConnLimiter.Remove(this.rawConn.RemoteAddr().String())
+
+	return this.rawConn.Close()
+}
+
+func (this *ClientTLSConn) LocalAddr() net.Addr {
+	return this.rawConn.LocalAddr()
+}
+
+func (this *ClientTLSConn) RemoteAddr() net.Addr {
+	return this.rawConn.RemoteAddr()
+}
+
+func (this *ClientTLSConn) SetDeadline(t time.Time) error {
+	return this.rawConn.SetDeadline(t)
+}
+
+func (this *ClientTLSConn) SetReadDeadline(t time.Time) error {
+	return this.rawConn.SetReadDeadline(t)
+}
+
+func (this *ClientTLSConn) SetWriteDeadline(t time.Time) error {
+	return this.rawConn.SetWriteDeadline(t)
+}
--- a/internal/nodes/http_access_log_queue.go
+++ b/internal/nodes/http_access_log_queue.go
@@ -1,11 +1,13 @@
 package nodes

 import (
+	"bytes"
 	"github.com/TeaOSLab/EdgeCommon/pkg/rpc/pb"
+	"github.com/TeaOSLab/EdgeNode/internal/goman"
 	"github.com/TeaOSLab/EdgeNode/internal/remotelogs"
 	"github.com/TeaOSLab/EdgeNode/internal/rpc"
 	"github.com/TeaOSLab/EdgeNode/internal/utils"
-	"strconv"
+	"strings"
 	"time"
 )

@@ -26,7 +28,9 @@ func NewHTTPAccessLogQueue() *HTTPAccessLogQueue {
 	queue := &HTTPAccessLogQueue{
 		queue: make(chan *pb.HTTPAccessLog, maxSize),
 	}
-	go queue.Start()
+	goman.New(func() {
+		queue.Start()
+	})

 	return queue
 }
@@ -55,24 +59,11 @@ func (this *HTTPAccessLogQueue) Push(accessLog *pb.HTTPAccessLog) {
 func (this *HTTPAccessLogQueue) loop() error {
 	var accessLogs = []*pb.HTTPAccessLog{}
 	var count = 0
-	var timestamp int64
-	var requestId = 1_000_000

 Loop:
 	for {
 		select {
 		case accessLog := <-this.queue:
-			var unixTime = utils.UnixTime()
-			if unixTime > timestamp {
-				requestId = 1_000_000
-				timestamp = unixTime
-			} else {
-				requestId++
-			}
-
-			// timestamp + requestId + nodeId
-			accessLog.RequestId = strconv.FormatInt(unixTime, 10) + strconv.Itoa(requestId) + strconv.FormatInt(accessLog.NodeId, 10)
-
 			accessLogs = append(accessLogs, accessLog)
 			count++

@@ -100,8 +91,51 @@ Loop:

 	_, err := this.rpcClient.HTTPAccessLogRPC().CreateHTTPAccessLogs(this.rpcClient.Context(), &pb.CreateHTTPAccessLogsRequest{HttpAccessLogs: accessLogs})
 	if err != nil {
+		// 是否包含了invalid UTF-8
+		if strings.Contains(err.Error(), "string field contains invalid UTF-8") {
+			for _, accessLog := range accessLogs {
+				this.toValidUTF8(accessLog)
+			}
+
+			// 重新提交
+			_, err = this.rpcClient.HTTPAccessLogRPC().CreateHTTPAccessLogs(this.rpcClient.Context(), &pb.CreateHTTPAccessLogsRequest{HttpAccessLogs: accessLogs})
+			return err
+		}
+
 		return err
 	}

 	return nil
 }
+
+func (this *HTTPAccessLogQueue) toValidUTF8(accessLog *pb.HTTPAccessLog) {
+	accessLog.RemoteUser = utils.ToValidUTF8string(accessLog.RemoteUser)
+	accessLog.RequestURI = utils.ToValidUTF8string(accessLog.RequestURI)
+	accessLog.RequestPath = utils.ToValidUTF8string(accessLog.RequestPath)
+	accessLog.RequestFilename = utils.ToValidUTF8string(accessLog.RequestFilename)
+	accessLog.RequestBody = bytes.ToValidUTF8(accessLog.RequestBody, []byte{})
+
+	for _, v := range accessLog.SentHeader {
+		for index, s := range v.Values {
+			v.Values[index] = utils.ToValidUTF8string(s)
+		}
+	}
+
+	accessLog.Referer = utils.ToValidUTF8string(accessLog.Referer)
+	accessLog.UserAgent = utils.ToValidUTF8string(accessLog.UserAgent)
+	accessLog.Request = utils.ToValidUTF8string(accessLog.Request)
+	accessLog.ContentType = utils.ToValidUTF8string(accessLog.ContentType)
+
+	for k, c := range accessLog.Cookie {
+		accessLog.Cookie[k] = utils.ToValidUTF8string(c)
+	}
+
+	accessLog.Args = utils.ToValidUTF8string(accessLog.Args)
+	accessLog.QueryString = utils.ToValidUTF8string(accessLog.QueryString)
+
+	for _, v := range accessLog.Header {
+		for index, s := range v.Values {
+			v.Values[index] = utils.ToValidUTF8string(s)
+		}
+	}
+}
--- a/internal/nodes/http_access_log_queue_test.go
+++ b/internal/nodes/http_access_log_queue_test.go
@@ -0,0 +1,133 @@
+// Copyright 2021 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
+
+package nodes
+
+import (
+	"bytes"
+	"github.com/TeaOSLab/EdgeCommon/pkg/rpc/pb"
+	"github.com/TeaOSLab/EdgeNode/internal/rpc"
+	_ "github.com/iwind/TeaGo/bootstrap"
+	"google.golang.org/grpc/status"
+	"reflect"
+	"runtime"
+	"strconv"
+	"strings"
+	"testing"
+	"time"
+)
+
+func TestHTTPAccessLogQueue_Push(t *testing.T) {
+	// 发送到API
+	client, err := rpc.SharedRPC()
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	var requestId = 1_000_000
+
+	var utf8Bytes = []byte{}
+	for i := 0; i < 254; i++ {
+		utf8Bytes = append(utf8Bytes, uint8(i))
+	}
+
+	//bytes = []byte("真不错")
+
+	var accessLog = &pb.HTTPAccessLog{
+		ServerId:    23,
+		RequestId:   strconv.FormatInt(time.Now().Unix(), 10) + strconv.Itoa(requestId) + strconv.FormatInt(1, 10),
+		NodeId:      48,
+		Host:        "www.hello.com",
+		RequestURI:  string(utf8Bytes),
+		RequestPath: string(utf8Bytes),
+		Timestamp:   time.Now().Unix(),
+		Cookie:      map[string]string{"test": string(utf8Bytes)},
+
+		Header: map[string]*pb.Strings{
+			"test": {Values: []string{string(utf8Bytes)}},
+		},
+	}
+
+	new(HTTPAccessLogQueue).toValidUTF8(accessLog)
+
+	//	logs.PrintAsJSON(accessLog)
+
+	//t.Log(strings.ToValidUTF8(string(utf8Bytes), ""))
+	_, err = client.HTTPAccessLogRPC().CreateHTTPAccessLogs(client.Context(), &pb.CreateHTTPAccessLogsRequest{HttpAccessLogs: []*pb.HTTPAccessLog{
+		accessLog,
+	}})
+	if err != nil {
+		// 这里只是为了重现错误
+		t.Logf("%#v, %s", err, err.Error())
+
+		statusErr, ok := status.FromError(err)
+		if ok {
+			t.Logf("%#v", statusErr)
+		}
+		return
+	}
+	t.Log("ok")
+}
+
+func TestHTTPAccessLogQueue_Push2(t *testing.T) {
+	var utf8Bytes = []byte{}
+	for i := 0; i < 254; i++ {
+		utf8Bytes = append(utf8Bytes, uint8(i))
+	}
+
+	var accessLog = &pb.HTTPAccessLog{
+		ServerId:    23,
+		RequestId:   strconv.FormatInt(time.Now().Unix(), 10) + strconv.Itoa(1) + strconv.FormatInt(1, 10),
+		NodeId:      48,
+		Host:        "www.hello.com",
+		RequestURI:  string(utf8Bytes),
+		RequestPath: string(utf8Bytes),
+		Timestamp:   time.Now().Unix(),
+	}
+	var v = reflect.Indirect(reflect.ValueOf(accessLog))
+	var countFields = v.NumField()
+	for i := 0; i < countFields; i++ {
+		var field = v.Field(i)
+		if field.Kind() == reflect.String {
+			field.SetString(strings.ToValidUTF8(field.String(), ""))
+		}
+	}
+
+	client, err := rpc.SharedRPC()
+	if err != nil {
+		t.Fatal(err)
+	}
+	_, err = client.HTTPAccessLogRPC().CreateHTTPAccessLogs(client.Context(), &pb.CreateHTTPAccessLogsRequest{HttpAccessLogs: []*pb.HTTPAccessLog{
+		accessLog,
+	}})
+	if err != nil {
+		t.Fatal(err)
+	}
+	t.Log("ok")
+}
+
+func BenchmarkHTTPAccessLogQueue_ToValidUTF8(b *testing.B) {
+	runtime.GOMAXPROCS(1)
+
+	var utf8Bytes = []byte{}
+	for i := 0; i < 254; i++ {
+		utf8Bytes = append(utf8Bytes, uint8(i))
+	}
+
+	for i := 0; i < b.N; i++ {
+		_ = bytes.ToValidUTF8(utf8Bytes, nil)
+	}
+}
+
+func BenchmarkHTTPAccessLogQueue_ToValidUTF8String(b *testing.B) {
+	runtime.GOMAXPROCS(1)
+
+	var utf8Bytes = []byte{}
+	for i := 0; i < 254; i++ {
+		utf8Bytes = append(utf8Bytes, uint8(i))
+	}
+
+	var s = string(utf8Bytes)
+	for i := 0; i < b.N; i++ {
+		_ = strings.ToValidUTF8(s, "")
+	}
+}
--- a/internal/nodes/http_client_pool.go
+++ b/internal/nodes/http_client_pool.go
@@ -5,6 +5,7 @@ import (
 	"crypto/tls"
 	"errors"
 	"github.com/TeaOSLab/EdgeCommon/pkg/serverconfigs"
+	"github.com/TeaOSLab/EdgeNode/internal/goman"
 	"github.com/TeaOSLab/EdgeNode/internal/remotelogs"
 	"github.com/pires/go-proxyproto"
 	"net"
@@ -33,7 +34,9 @@ func NewHTTPClientPool() *HTTPClientPool {
 		clientsMap:            map[string]*HTTPClient{},
 	}

-	go pool.cleanClients()
+	goman.New(func() {
+		pool.cleanClients()
+	})

 	return pool
 }
@@ -81,14 +84,13 @@ func (this *HTTPClientPool) Client(req *HTTPRequest, origin *serverconfigs.Origi
 	if idleConns <= 0 {
 		idleConns = numberCPU * 8
 	}
-	//logs.Println("[ORIGIN]max connections:", maxConnections)

 	// TLS通讯
-	tlsConfig := &tls.Config{
+	var tlsConfig = &tls.Config{
 		InsecureSkipVerify: true,
 	}
 	if origin.Cert != nil {
-		obj := origin.Cert.CertObject()
+		var obj = origin.Cert.CertObject()
 		if obj != nil {
 			tlsConfig.InsecureSkipVerify = false
 			tlsConfig.Certificates = []tls.Certificate{*obj}
@@ -98,37 +100,16 @@ func (this *HTTPClientPool) Client(req *HTTPRequest, origin *serverconfigs.Origi
 		}
 	}

-	transport := &http.Transport{
+	var transport = &http.Transport{
 		DialContext: func(ctx context.Context, network, addr string) (net.Conn, error) {
 			// 支持TOA的连接
-			toaConfig := sharedTOAManager.Config()
-			if toaConfig != nil && toaConfig.IsOn {
-				retries := 3
-				for i := 1; i <= retries; i++ {
-					port := int(toaConfig.RandLocalPort())
-					// TODO 思考是否支持X-Real-IP/X-Forwarded-IP
-					err := sharedTOAManager.SendMsg("add:" + strconv.Itoa(port) + ":" + req.requestRemoteAddr(true))
-					if err != nil {
-						remotelogs.Error("TOA", "add failed: "+err.Error())
-					} else {
-						dialer := net.Dialer{
-							Timeout:   connectionTimeout,
-							KeepAlive: 1 * time.Minute,
-							LocalAddr: &net.TCPAddr{
-								Port: port,
-							},
-						}
-						conn, err := dialer.DialContext(ctx, network, originAddr)
-						// TODO 需要在合适的时机删除TOA记录
-						if err == nil || i == retries {
-							return conn, err
-						}
-					}
-				}
+			conn, err := this.handleTOA(req, ctx, network, originAddr, connectionTimeout)
+			if conn != nil || err != nil {
+				return conn, err
 			}

 			// 普通的连接
-			conn, err := (&net.Dialer{
+			conn, err = (&net.Dialer{
 				Timeout:   connectionTimeout,
 				KeepAlive: 1 * time.Minute,
 			}).DialContext(ctx, network, originAddr)
@@ -136,32 +117,10 @@ func (this *HTTPClientPool) Client(req *HTTPRequest, origin *serverconfigs.Origi
 				return nil, err
 			}

-			if proxyProtocol != nil && proxyProtocol.IsOn && (proxyProtocol.Version == serverconfigs.ProxyProtocolVersion1 || proxyProtocol.Version == serverconfigs.ProxyProtocolVersion2) {
-				var remoteAddr = req.requestRemoteAddr(true)
-				var transportProtocol = proxyproto.TCPv4
-				if strings.Contains(remoteAddr, ":") {
-					transportProtocol = proxyproto.TCPv6
-				}
-				var destAddr = conn.RemoteAddr()
-				var reqConn = req.RawReq.Context().Value(HTTPConnContextKey)
-				if reqConn != nil {
-					destAddr = reqConn.(net.Conn).LocalAddr()
-				}
-				header := proxyproto.Header{
-					Version:           byte(proxyProtocol.Version),
-					Command:           proxyproto.PROXY,
-					TransportProtocol: transportProtocol,
-					SourceAddr: &net.TCPAddr{
-						IP:   net.ParseIP(remoteAddr),
-						Port: req.requestRemotePort(),
-					},
-					DestinationAddr: destAddr,
-				}
-				_, err = header.WriteTo(conn)
-				if err != nil {
-					_ = conn.Close()
-					return nil, err
-				}
+			// 处理PROXY protocol
+			err = this.handlePROXYProtocol(conn, req, proxyProtocol)
+			if err != nil {
+				return nil, err
 			}

 			return conn, nil
@@ -171,7 +130,7 @@ func (this *HTTPClientPool) Client(req *HTTPRequest, origin *serverconfigs.Origi
 		MaxConnsPerHost:       maxConnections,
 		IdleConnTimeout:       idleTimeout,
 		ExpectContinueTimeout: 1 * time.Second,
-		TLSHandshakeTimeout:   0, // 不限
+		TLSHandshakeTimeout:   3 * time.Second,
 		TLSClientConfig:       tlsConfig,
 		Proxy:                 nil,
 	}
@@ -205,3 +164,69 @@ func (this *HTTPClientPool) cleanClients() {
 		this.locker.Unlock()
 	}
 }
+
+// 支持TOA
+func (this *HTTPClientPool) handleTOA(req *HTTPRequest, ctx context.Context, network string, originAddr string, connectionTimeout time.Duration) (net.Conn, error) {
+	// TODO 每个服务读取自身所属集群的TOA设置
+	toaConfig := sharedTOAManager.Config()
+	if toaConfig != nil && toaConfig.IsOn {
+		retries := 3
+		for i := 1; i <= retries; i++ {
+			port := int(toaConfig.RandLocalPort())
+			// TODO 思考是否支持X-Real-IP/X-Forwarded-IP
+			err := sharedTOAManager.SendMsg("add:" + strconv.Itoa(port) + ":" + req.requestRemoteAddr(true))
+			if err != nil {
+				remotelogs.Error("TOA", "add failed: "+err.Error())
+			} else {
+				dialer := net.Dialer{
+					Timeout:   connectionTimeout,
+					KeepAlive: 1 * time.Minute,
+					LocalAddr: &net.TCPAddr{
+						Port: port,
+					},
+				}
+				conn, err := dialer.DialContext(ctx, network, originAddr)
+				// TODO 需要在合适的时机删除TOA记录
+				if err == nil || i == retries {
+					return conn, err
+				}
+			}
+		}
+	}
+
+	return nil, nil
+}
+
+// 支持PROXY Protocol
+func (this *HTTPClientPool) handlePROXYProtocol(conn net.Conn, req *HTTPRequest, proxyProtocol *serverconfigs.ProxyProtocolConfig) error {
+	if proxyProtocol != nil && proxyProtocol.IsOn && (proxyProtocol.Version == serverconfigs.ProxyProtocolVersion1 || proxyProtocol.Version == serverconfigs.ProxyProtocolVersion2) {
+		var remoteAddr = req.requestRemoteAddr(true)
+		var transportProtocol = proxyproto.TCPv4
+		if strings.Contains(remoteAddr, ":") {
+			transportProtocol = proxyproto.TCPv6
+		}
+		var destAddr = conn.RemoteAddr()
+		var reqConn = req.RawReq.Context().Value(HTTPConnContextKey)
+		if reqConn != nil {
+			destAddr = reqConn.(net.Conn).LocalAddr()
+		}
+		header := proxyproto.Header{
+			Version:           byte(proxyProtocol.Version),
+			Command:           proxyproto.PROXY,
+			TransportProtocol: transportProtocol,
+			SourceAddr: &net.TCPAddr{
+				IP:   net.ParseIP(remoteAddr),
+				Port: req.requestRemotePort(),
+			},
+			DestinationAddr: destAddr,
+		}
+		_, err := header.WriteTo(conn)
+		if err != nil {
+			_ = conn.Close()
+			return err
+		}
+		return nil
+	}
+
+	return nil
+}
--- a/internal/nodes/http_request.go
+++ b/internal/nodes/http_request.go
@@ -1,17 +1,22 @@
 package nodes

 import (
+	"bytes"
 	"context"
 	"errors"
 	"fmt"
 	"github.com/TeaOSLab/EdgeCommon/pkg/configutils"
 	"github.com/TeaOSLab/EdgeCommon/pkg/serverconfigs"
 	teaconst "github.com/TeaOSLab/EdgeNode/internal/const"
+	"github.com/TeaOSLab/EdgeNode/internal/iplibrary"
 	"github.com/TeaOSLab/EdgeNode/internal/metrics"
 	"github.com/TeaOSLab/EdgeNode/internal/stats"
 	"github.com/TeaOSLab/EdgeNode/internal/utils"
+	"github.com/iwind/TeaGo/lists"
+	"github.com/iwind/TeaGo/maps"
 	"github.com/iwind/TeaGo/types"
 	"io"
+	"io/ioutil"
 	"net"
 	"net/http"
 	"net/url"
@@ -25,22 +30,18 @@ import (
 // 环境变量
 var HOSTNAME, _ = os.Hostname()

-// byte pool
-var bytePool256b = utils.NewBytePool(20480, 256)
-var bytePool1k = utils.NewBytePool(20480, 1024)
-var bytePool32k = utils.NewBytePool(20480, 32*1024)
-var bytePool128k = utils.NewBytePool(20480, 128*1024)
-
 // errors
 var errWritingToClient = errors.New("writing to client error")

 // HTTPRequest HTTP请求
 type HTTPRequest struct {
+	requestId string
+
 	// 外部参数
 	RawReq     *http.Request
 	RawWriter  http.ResponseWriter
-	Server     *serverconfigs.ServerConfig
-	Host       string // 请求的Host
+	ReqServer  *serverconfigs.ServerConfig
+	ReqHost    string // 请求的Host
 	ServerName string // 实际匹配到的Host
 	ServerAddr string // 实际启动的服务器监听地址
 	IsHTTP     bool
@@ -64,11 +65,15 @@ type HTTPRequest struct {
 	rewriteRule          *serverconfigs.HTTPRewriteRule    // 匹配到的重写规则
 	rewriteReplace       string                            // 重写规则的目标
 	rewriteIsExternalURL bool                              // 重写目标是否为外部URL
-	cacheRef             *serverconfigs.HTTPCacheRef       // 缓存设置
-	cacheKey             string                            // 缓存使用的Key
-	isCached             bool                              // 是否已经被缓存
-	isAttack             bool                              // 是否是攻击请求
-	bodyData             []byte                            // 读取的Body内容
+	remoteAddr           string                            // 计算后的RemoteAddr
+
+	cacheRef         *serverconfigs.HTTPCacheRef // 缓存设置
+	cacheKey         string                      // 缓存使用的Key
+	isCached         bool                        // 是否已经被缓存
+	cacheCanTryStale bool                        // 是否可以尝试使用Stale缓存
+
+	isAttack        bool   // 是否是攻击请求
+	requestBodyData []byte // 读取的Body内容

 	// WAF相关
 	firewallPolicyId    int64
@@ -81,6 +86,9 @@ type HTTPRequest struct {
 	logAttrs map[string]string

 	disableLog bool // 此请求中关闭Log
+
+	// script相关操作
+	isDone bool
 }

 // 初始化
@@ -93,7 +101,7 @@ func (this *HTTPRequest) init() {
 	// this.uri = this.RawReq.URL.RequestURI()
 	// 之所以不使用RequestURI()，是不想让URL中的Path被Encode
 	var urlPath = this.RawReq.URL.Path
-	if this.Server.Web != nil && this.Server.Web.MergeSlashes {
+	if this.ReqServer.Web != nil && this.ReqServer.Web.MergeSlashes {
 		urlPath = utils.CleanPath(urlPath)
 		this.web.MergeSlashes = true
 	}
@@ -107,12 +115,15 @@ func (this *HTTPRequest) init() {
 	this.varMapping = map[string]string{
 		// 缓存相关初始化
 		"cache.status":      "BYPASS",
+		"cache.age":         "0",
+		"cache.key":         "",
 		"cache.policy.name": "",
 		"cache.policy.id":   "0",
 		"cache.policy.type": "",
 	}
 	this.logAttrs = map[string]string{}
 	this.requestFromTime = time.Now()
+	this.requestId = httpRequestNextId()
 }

 // Do 执行请求
@@ -121,15 +132,22 @@ func (this *HTTPRequest) Do() {
 	this.init()

 	// 当前服务的反向代理配置
-	if this.Server.ReverseProxyRef != nil && this.Server.ReverseProxy != nil {
-		this.reverseProxyRef = this.Server.ReverseProxyRef
-		this.reverseProxy = this.Server.ReverseProxy
+	if this.ReqServer.ReverseProxyRef != nil && this.ReqServer.ReverseProxy != nil {
+		this.reverseProxyRef = this.ReqServer.ReverseProxyRef
+		this.reverseProxy = this.ReqServer.ReverseProxy
 	}

 	// Web配置
-	err := this.configureWeb(this.Server.Web, true, 0)
+	err := this.configureWeb(this.ReqServer.Web, true, 0)
 	if err != nil {
-		this.write50x(err, http.StatusInternalServerError)
+		this.write50x(err, http.StatusInternalServerError, false)
+		this.doEnd()
+		return
+	}
+
+	// 回调事件
+	this.onInit()
+	if this.writer.isFinished {
 		this.doEnd()
 		return
 	}
@@ -146,14 +164,14 @@ func (this *HTTPRequest) Do() {
 	}

 	// 套餐
-	if this.Server.UserPlan != nil && !this.Server.UserPlan.IsAvailable() {
+	if this.ReqServer.UserPlan != nil && !this.ReqServer.UserPlan.IsAvailable() {
 		this.doPlanExpires()
 		this.doEnd()
 		return
 	}

 	// 流量限制
-	if this.Server.TrafficLimit != nil && this.Server.TrafficLimit.IsOn && !this.Server.TrafficLimit.IsEmpty() && this.Server.TrafficLimitStatus != nil && this.Server.TrafficLimitStatus.IsValid() {
+	if this.ReqServer.TrafficLimit != nil && this.ReqServer.TrafficLimit.IsOn && !this.ReqServer.TrafficLimit.IsEmpty() && this.ReqServer.TrafficLimitStatus != nil && this.ReqServer.TrafficLimitStatus.IsValid() {
 		this.doTrafficLimit()
 		this.doEnd()
 		return
@@ -200,6 +218,28 @@ func (this *HTTPRequest) Do() {

 // 开始调用
 func (this *HTTPRequest) doBegin() {
+	// 处理request limit
+	if this.web.RequestLimit != nil &&
+		this.web.RequestLimit.IsOn {
+		if this.doRequestLimit() {
+			return
+		}
+	}
+
+	// 处理requestBody
+	if this.RawReq.ContentLength > 0 &&
+		this.web.AccessLogRef != nil &&
+		this.web.AccessLogRef.IsOn &&
+		this.web.AccessLogRef.ContainsField(serverconfigs.HTTPAccessLogFieldRequestBody) {
+		var err error
+		this.requestBodyData, err = ioutil.ReadAll(io.LimitReader(this.RawReq.Body, AccessLogMaxRequestBodySize))
+		if err != nil {
+			this.write50x(err, http.StatusBadGateway, false)
+			return
+		}
+		this.RawReq.Body = ioutil.NopCloser(io.MultiReader(bytes.NewBuffer(this.requestBodyData), this.RawReq.Body))
+	}
+
 	// 处理健康检查
 	var healthCheckKey = this.RawReq.Header.Get(serverconfigs.HealthCheckHeaderName)
 	if len(healthCheckKey) > 0 {
@@ -208,11 +248,6 @@ func (this *HTTPRequest) doBegin() {
 		}
 	}

-	// 统计
-	if this.web.StatRef != nil && this.web.StatRef.IsOn {
-		this.doStat()
-	}
-
 	// 跳转
 	if len(this.web.HostRedirects) > 0 {
 		if this.doHostRedirect() {
@@ -228,7 +263,7 @@ func (this *HTTPRequest) doBegin() {

 	// 缓存
 	if this.web.Cache != nil && this.web.Cache.IsOn {
-		if this.doCacheRead() {
+		if this.doCacheRead(false) {
 			return
 		}
 	}
@@ -278,14 +313,14 @@ func (this *HTTPRequest) doEnd() {
 	// 流量统计
 	// TODO 增加是否开启开关
 	// TODO 增加Header统计，考虑从Conn中读取
-	if this.Server != nil {
+	if this.ReqServer != nil {
 		if this.isCached {
-			stats.SharedTrafficStatManager.Add(this.Server.Id, this.Host, this.writer.sentBodyBytes, this.writer.sentBodyBytes, 1, 1, 0, 0, this.Server.ShouldCheckTrafficLimit(), this.Server.PlanId())
+			stats.SharedTrafficStatManager.Add(this.ReqServer.Id, this.ReqHost, this.writer.SentBodyBytes(), this.writer.SentBodyBytes(), 1, 1, 0, 0, this.ReqServer.ShouldCheckTrafficLimit(), this.ReqServer.PlanId())
 		} else {
 			if this.isAttack {
-				stats.SharedTrafficStatManager.Add(this.Server.Id, this.Host, this.writer.sentBodyBytes, 0, 1, 0, 1, this.writer.sentBodyBytes, this.Server.ShouldCheckTrafficLimit(), this.Server.PlanId())
+				stats.SharedTrafficStatManager.Add(this.ReqServer.Id, this.ReqHost, this.writer.SentBodyBytes(), 0, 1, 0, 1, this.writer.SentBodyBytes(), this.ReqServer.ShouldCheckTrafficLimit(), this.ReqServer.PlanId())
 			} else {
-				stats.SharedTrafficStatManager.Add(this.Server.Id, this.Host, this.writer.sentBodyBytes, 0, 1, 0, 0, 0, this.Server.ShouldCheckTrafficLimit(), this.Server.PlanId())
+				stats.SharedTrafficStatManager.Add(this.ReqServer.Id, this.ReqHost, this.writer.SentBodyBytes(), 0, 1, 0, 0, 0, this.ReqServer.ShouldCheckTrafficLimit(), this.ReqServer.PlanId())
 			}
 		}
 	}
@@ -294,6 +329,12 @@ func (this *HTTPRequest) doEnd() {
 	if metrics.SharedManager.HasHTTPMetrics() {
 		this.doMetricsResponse()
 	}
+
+	// 统计
+	if this.web.StatRef != nil && this.web.StatRef.IsOn {
+		// 放到最后执行
+		this.doStat()
+	}
 }

 // RawURI 原始的请求URI
@@ -419,6 +460,31 @@ func (this *HTTPRequest) configureWeb(web *serverconfigs.HTTPWebConfig, isTop bo
 		this.web.Auth = web.Auth
 	}

+	// request limit
+	if web.RequestLimit != nil && (web.RequestLimit.IsPrior || isTop) {
+		this.web.RequestLimit = web.RequestLimit
+	}
+
+	// request scripts
+	if web.RequestScripts != nil {
+		if this.web.RequestScripts == nil {
+			this.web.RequestScripts = web.RequestScripts
+		} else {
+			if web.RequestScripts.InitGroup != nil && (web.RequestScripts.InitGroup.IsPrior || isTop) {
+				if this.web.RequestScripts == nil {
+					this.web.RequestScripts = &serverconfigs.HTTPRequestScriptsConfig{}
+				}
+				this.web.RequestScripts.InitGroup = web.RequestScripts.InitGroup
+			}
+			if web.RequestScripts.RequestGroup != nil && (web.RequestScripts.RequestGroup.IsPrior || isTop) {
+				if this.web.RequestScripts == nil {
+					this.web.RequestScripts = &serverconfigs.HTTPRequestScriptsConfig{}
+				}
+				this.web.RequestScripts.RequestGroup = web.RequestScripts.RequestGroup
+			}
+		}
+	}
+
 	// 重写规则
 	if len(web.RewriteRefs) > 0 {
 		for index, ref := range web.RewriteRefs {
@@ -487,6 +553,11 @@ func (this *HTTPRequest) configureWeb(web *serverconfigs.HTTPWebConfig, isTop bo
 				continue
 			}
 			if varMapping, isMatched := location.Match(rawPath, this.Format); isMatched {
+				// 检查专属域名
+				if len(location.Domains) > 0 && !configutils.MatchDomains(location.Domains, this.ReqHost) {
+					continue
+				}
+
 				if len(varMapping) > 0 {
 					this.addVarMapping(varMapping)
 				}
@@ -556,6 +627,8 @@ func (this *HTTPRequest) Format(source string) string {
 			return strconv.Itoa(this.requestRemotePort())
 		case "remoteUser":
 			return this.requestRemoteUser()
+		case "requestId":
+			return this.requestId
 		case "requestURI", "requestUri":
 			return this.rawURI
 		case "requestURL":
@@ -563,11 +636,11 @@ func (this *HTTPRequest) Format(source string) string {
 			if this.IsHTTPS {
 				scheme = "https"
 			}
-			return scheme + "://" + this.Host + this.rawURI
+			return scheme + "://" + this.ReqHost + this.rawURI
 		case "requestPath":
-			return this.requestPath()
+			return this.Path()
 		case "requestPathExtension":
-			return filepath.Ext(this.requestPath())
+			return filepath.Ext(this.Path())
 		case "requestLength":
 			return strconv.FormatInt(this.requestLength(), 10)
 		case "requestTime":
@@ -581,7 +654,7 @@ func (this *HTTPRequest) Format(source string) string {
 			}

 			if this.web.Root != nil && this.web.Root.IsOn {
-				return filepath.Clean(this.web.Root.Dir + this.requestPath())
+				return filepath.Clean(this.web.Root.Dir + this.Path())
 			}

 			return ""
@@ -610,7 +683,7 @@ func (this *HTTPRequest) Format(source string) string {
 		case "timestamp":
 			return strconv.FormatInt(this.requestFromTime.Unix(), 10)
 		case "host":
-			return this.Host
+			return this.ReqHost
 		case "referer":
 			return this.RawReq.Referer()
 		case "referer.host":
@@ -627,6 +700,11 @@ func (this *HTTPRequest) Format(source string) string {
 			return this.requestString()
 		case "cookies":
 			return this.requestCookiesString()
+		case "isArgs":
+			if strings.Contains(this.uri, "?") {
+				return "?"
+			}
+			return ""
 		case "args", "queryString":
 			return this.requestQueryString()
 		case "headers":
@@ -723,7 +801,7 @@ func (this *HTTPRequest) Format(source string) string {

 		// host
 		if prefix == "host" {
-			pieces := strings.Split(this.Host, ".")
+			pieces := strings.Split(this.ReqHost, ".")
 			switch suffix {
 			case "first":
 				if len(pieces) > 0 {
@@ -788,6 +866,104 @@ func (this *HTTPRequest) Format(source string) string {
 			}
 		}

+		// geo
+		if prefix == "geo" {
+			result, _ := iplibrary.SharedLibrary.Lookup(this.requestRemoteAddr(true))
+
+			switch suffix {
+			case "country.name":
+				if result != nil {
+					return result.Country
+				}
+				return ""
+			case "country.id":
+				if result != nil {
+					return types.String(iplibrary.SharedCountryManager.Lookup(result.Country))
+				}
+				return "0"
+			case "province.name":
+				if result != nil {
+					return result.Province
+				}
+				return ""
+			case "province.id":
+				if result != nil {
+					return types.String(iplibrary.SharedProvinceManager.Lookup(result.Province))
+				}
+				return "0"
+			case "city.name":
+				if result != nil {
+					return result.City
+				}
+				return ""
+			case "city.id":
+				if result != nil {
+					var provinceId = iplibrary.SharedProvinceManager.Lookup(result.Province)
+					if provinceId > 0 {
+						return types.String(iplibrary.SharedCityManager.Lookup(provinceId, result.City))
+					} else {
+						return "0"
+					}
+				}
+				return "0"
+			}
+		}
+
+		// ips
+		if prefix == "isp" {
+			result, _ := iplibrary.SharedLibrary.Lookup(this.requestRemoteAddr(true))
+
+			switch suffix {
+			case "name":
+				if result != nil {
+					return result.ISP
+				}
+			case "id":
+				if result != nil {
+					return types.String(iplibrary.SharedProviderManager.Lookup(result.ISP))
+				}
+				return "0"
+			}
+			return ""
+		}
+
+		// browser
+		if prefix == "browser" {
+			var result = stats.SharedUserAgentParser.Parse(this.RawReq.UserAgent())
+			switch suffix {
+			case "os.name":
+				return result.OS.Name
+			case "os.version":
+				return result.OS.Version
+			case "name":
+				return result.BrowserName
+			case "version":
+				return result.BrowserVersion
+			case "isMobile":
+				if result.IsMobile {
+					return "1"
+				} else {
+					return "0"
+				}
+			}
+		}
+
+		// product
+		if prefix == "product" {
+			switch suffix {
+			case "name":
+				if sharedNodeConfig.ProductConfig != nil && len(sharedNodeConfig.ProductConfig.Name) > 0 {
+					return sharedNodeConfig.ProductConfig.Name
+				}
+				return teaconst.GlobalProductName
+			case "version":
+				if sharedNodeConfig.ProductConfig != nil && len(sharedNodeConfig.ProductConfig.Version) > 0 {
+					return sharedNodeConfig.ProductConfig.Version
+				}
+				return teaconst.Version
+			}
+		}
+
 		return "${" + varName + "}"
 	})
 }
@@ -801,12 +977,17 @@ func (this *HTTPRequest) addVarMapping(varMapping map[string]string) {

 // 获取请求的客户端地址
 func (this *HTTPRequest) requestRemoteAddr(supportVar bool) string {
+	if supportVar && len(this.remoteAddr) > 0 {
+		return this.remoteAddr
+	}
+
 	if supportVar &&
 		this.web.RemoteAddr != nil &&
 		this.web.RemoteAddr.IsOn &&
 		!this.web.RemoteAddr.IsEmpty() {
 		var remoteAddr = this.Format(this.web.RemoteAddr.Value)
 		if net.ParseIP(remoteAddr) != nil {
+			this.remoteAddr = remoteAddr
 			return remoteAddr
 		}
 	}
@@ -819,6 +1000,9 @@ func (this *HTTPRequest) requestRemoteAddr(supportVar bool) string {
 			forwardedFor = forwardedFor[:commaIndex]
 		}
 		if net.ParseIP(forwardedFor) != nil {
+			if supportVar {
+				this.remoteAddr = forwardedFor
+			}
 			return forwardedFor
 		}
 	}
@@ -828,6 +1012,9 @@ func (this *HTTPRequest) requestRemoteAddr(supportVar bool) string {
 		realIP, ok := this.RawReq.Header["X-Real-IP"]
 		if ok && len(realIP) > 0 {
 			if net.ParseIP(realIP[0]) != nil {
+				if supportVar {
+					this.remoteAddr = realIP[0]
+				}
 				return realIP[0]
 			}
 		}
@@ -838,6 +1025,9 @@ func (this *HTTPRequest) requestRemoteAddr(supportVar bool) string {
 		realIP, ok := this.RawReq.Header["X-Real-Ip"]
 		if ok && len(realIP) > 0 {
 			if net.ParseIP(realIP[0]) != nil {
+				if supportVar {
+					this.remoteAddr = realIP[0]
+				}
 				return realIP[0]
 			}
 		}
@@ -847,6 +1037,9 @@ func (this *HTTPRequest) requestRemoteAddr(supportVar bool) string {
 	remoteAddr := this.RawReq.RemoteAddr
 	host, _, err := net.SplitHostPort(remoteAddr)
 	if err == nil {
+		if supportVar {
+			this.remoteAddr = host
+		}
 		return host
 	} else {
 		return remoteAddr
@@ -905,8 +1098,8 @@ func (this *HTTPRequest) requestRemoteUser() string {
 	return username
 }

-// 请求的URL中路径部分
-func (this *HTTPRequest) requestPath() string {
+// Path 请求的URL中路径部分
+func (this *HTTPRequest) Path() string {
 	uri, err := url.ParseRequestURI(this.rawURI)
 	if err != nil {
 		return ""
@@ -923,7 +1116,7 @@ func (this *HTTPRequest) requestRemotePort() int {
 	return 0
 }

-// 情趣的URI中的参数部分
+// 获取的URI中的参数部分
 func (this *HTTPRequest) requestQueryString() string {
 	uri, err := url.ParseRequestURI(this.uri)
 	if err != nil {
@@ -1016,9 +1209,148 @@ func (this *HTTPRequest) requestServerPort() int {
 	return 0
 }

-// 获取完整的URL
-func (this *HTTPRequest) requestFullURL() string {
-	return this.requestScheme() + "://" + this.Host + this.uri
+func (this *HTTPRequest) Id() string {
+	return this.requestId
+}
+
+func (this *HTTPRequest) Server() maps.Map {
+	return maps.Map{"id": this.ReqServer.Id}
+}
+
+func (this *HTTPRequest) Node() maps.Map {
+	return maps.Map{"id": teaconst.NodeId}
+}
+
+// URL 获取完整的URL
+func (this *HTTPRequest) URL() string {
+	return this.requestScheme() + "://" + this.ReqHost + this.uri
+}
+
+// Host 获取Host
+func (this *HTTPRequest) Host() string {
+	return this.ReqHost
+}
+
+func (this *HTTPRequest) Proto() string {
+	return this.RawReq.Proto
+}
+
+func (this *HTTPRequest) ProtoMajor() int {
+	return this.RawReq.ProtoMajor
+}
+
+func (this *HTTPRequest) ProtoMinor() int {
+	return this.RawReq.ProtoMinor
+}
+
+func (this *HTTPRequest) RemoteAddr() string {
+	return this.requestRemoteAddr(true)
+}
+
+func (this *HTTPRequest) RawRemoteAddr() string {
+	addr := this.RawReq.RemoteAddr
+	host, _, err := net.SplitHostPort(addr)
+	if err == nil {
+		addr = host
+	}
+	return addr
+}
+
+func (this *HTTPRequest) RemotePort() int {
+	addr := this.RawReq.RemoteAddr
+	_, port, err := net.SplitHostPort(addr)
+	if err != nil {
+		return 0
+	}
+	return types.Int(port)
+}
+
+func (this *HTTPRequest) SetAttr(name string, value string) {
+	this.logAttrs[name] = value
+}
+
+func (this *HTTPRequest) SetVar(name string, value string) {
+	this.varMapping[name] = value
+}
+
+// ContentLength 请求内容长度
+func (this *HTTPRequest) ContentLength() int64 {
+	return this.RawReq.ContentLength
+}
+
+// Method 请求方法
+func (this *HTTPRequest) Method() string {
+	return this.RawReq.Method
+}
+
+// TransferEncoding 获取传输编码
+func (this *HTTPRequest) TransferEncoding() string {
+	if len(this.RawReq.TransferEncoding) > 0 {
+		return this.RawReq.TransferEncoding[0]
+	}
+	return ""
+}
+
+// Cookie 获取Cookie
+func (this *HTTPRequest) Cookie(name string) string {
+	c, err := this.RawReq.Cookie(name)
+	if err != nil {
+		return ""
+	}
+	return c.Value
+}
+
+// DeleteHeader 删除Header
+func (this *HTTPRequest) DeleteHeader(name string) {
+	this.RawReq.Header.Del(name)
+}
+
+// SetHeader 设置Header
+func (this *HTTPRequest) SetHeader(name string, values []string) {
+	this.RawReq.Header[name] = values
+}
+
+// Header 读取Header
+func (this *HTTPRequest) Header() http.Header {
+	return this.RawReq.Header
+}
+
+// URI 获取当前请求的URI
+func (this *HTTPRequest) URI() string {
+	return this.uri
+}
+
+// SetURI 设置当前请求的URI
+func (this *HTTPRequest) SetURI(uri string) {
+	this.uri = uri
+}
+
+// Done 设置已完成
+func (this *HTTPRequest) Done() {
+	this.isDone = true
+}
+
+// Close 关闭连接
+func (this *HTTPRequest) Close() {
+	this.Done()
+
+	requestConn := this.RawReq.Context().Value(HTTPConnContextKey)
+	if requestConn == nil {
+		return
+	}
+
+	conn, ok := requestConn.(net.Conn)
+	if ok {
+		_ = conn.Close()
+		return
+	}
+
+	return
+}
+
+// Allow 放行
+func (this *HTTPRequest) Allow() {
+	this.web.FirewallRef = nil
 }

 // 设置代理相关头部信息
@@ -1061,9 +1393,9 @@ func (this *HTTPRequest) setForwardHeaders(header http.Header) {
 	/**{
 		forwarded, ok := header["Forwarded"]
 		if ok {
-			header["Forwarded"] = []string{strings.Join(forwarded, ", ") + ", by=" + this.serverAddr + "; for=" + remoteAddr + "; host=" + this.host + "; proto=" + this.rawScheme}
+			header["Forwarded"] = []string{strings.Join(forwarded, ", ") + ", by=" + this.serverAddr + "; for=" + remoteAddr + "; host=" + this.ReqHost + "; proto=" + this.rawScheme}
 		} else {
-			header["Forwarded"] = []string{"by=" + this.serverAddr + "; for=" + remoteAddr + "; host=" + this.host + "; proto=" + this.rawScheme}
+			header["Forwarded"] = []string{"by=" + this.serverAddr + "; for=" + remoteAddr + "; host=" + this.ReqHost + "; proto=" + this.rawScheme}
 		}
 	}**/

@@ -1074,7 +1406,7 @@ func (this *HTTPRequest) setForwardHeaders(header http.Header) {

 	if this.reverseProxy != nil && this.reverseProxy.ShouldAddXForwardedHostHeader() {
 		if _, ok := header["X-Forwarded-Host"]; !ok {
-			this.RawReq.Header.Set("X-Forwarded-Host", this.Host)
+			this.RawReq.Header.Set("X-Forwarded-Host", this.ReqHost)
 		}
 	}

@@ -1097,44 +1429,53 @@ func (this *HTTPRequest) processRequestHeaders(reqHeader http.Header) {
 			}
 		}

-		// Add
-		for _, header := range this.web.RequestHeaderPolicy.AddHeaders {
-			if !header.IsOn {
-				continue
-			}
-			oldValues, _ := this.RawReq.Header[header.Name]
-			newHeaderValue := header.Value // 因为我们不能修改header，所以在这里使用新变量
-			if header.HasVariables() {
-				newHeaderValue = this.Format(header.Value)
-			}
-			oldValues = append(oldValues, newHeaderValue)
-			reqHeader[header.Name] = oldValues
-
-			// 支持修改Host
-			if header.Name == "Host" && len(header.Value) > 0 {
-				this.RawReq.Host = newHeaderValue
-			}
-		}
-
 		// Set
 		for _, header := range this.web.RequestHeaderPolicy.SetHeaders {
 			if !header.IsOn {
 				continue
 			}
-			newHeaderValue := header.Value // 因为我们不能修改header，所以在这里使用新变量
-			if header.HasVariables() {
-				newHeaderValue = this.Format(header.Value)
+
+			// 是否已删除
+			if this.web.ResponseHeaderPolicy.ContainsDeletedHeader(header.Name) {
+				continue
+			}
+
+			// 请求方法
+			if len(header.Methods) > 0 && !lists.ContainsString(header.Methods, this.RawReq.Method) {
+				continue
+			}
+
+			// 域名
+			if len(header.Domains) > 0 && !configutils.MatchDomains(header.Domains, this.ReqHost) {
+				continue
+			}
+
+			var headerValue = header.Value
+			if header.ShouldReplace {
+				if len(headerValue) == 0 {
+					headerValue = reqHeader.Get(header.Name) // 原有值
+				} else if header.HasVariables() {
+					headerValue = this.Format(header.Value)
+				}
+
+				for _, v := range header.ReplaceValues {
+					headerValue = v.Replace(headerValue)
+				}
+			} else if header.HasVariables() {
+				headerValue = this.Format(header.Value)
 			}
-			reqHeader[header.Name] = []string{newHeaderValue}

 			// 支持修改Host
 			if header.Name == "Host" && len(header.Value) > 0 {
-				this.RawReq.Host = newHeaderValue
+				this.RawReq.Host = headerValue
+			} else {
+				if header.ShouldAppend {
+					reqHeader[header.Name] = append(reqHeader[header.Name], headerValue)
+				} else {
+					reqHeader[header.Name] = []string{headerValue}
+				}
 			}
 		}
-
-		// Replace
-		// TODO 需要实现
 	}
 }

@@ -1159,7 +1500,6 @@ func (this *HTTPRequest) processResponseHeaders(statusCode int) {

 	// 删除/添加/替换Header
 	// TODO 实现AddTrailers
-	// TODO 实现ReplaceHeaders
 	if this.web.ResponseHeaderPolicy != nil && this.web.ResponseHeaderPolicy.IsOn {
 		// 删除某些Header
 		for name := range responseHeader {
@@ -1168,55 +1508,69 @@ func (this *HTTPRequest) processResponseHeaders(statusCode int) {
 			}
 		}

-		// Add
-		for _, header := range this.web.ResponseHeaderPolicy.AddHeaders {
-			if !header.IsOn {
-				continue
-			}
-			if header.Match(statusCode) {
-				if this.web.ResponseHeaderPolicy.ContainsDeletedHeader(header.Name) {
-					continue
-				}
-				oldValues, _ := responseHeader[header.Name]
-				if header.HasVariables() {
-					oldValues = append(oldValues, this.Format(header.Value))
-				} else {
-					oldValues = append(oldValues, header.Value)
-				}
-				responseHeader[header.Name] = oldValues
-			}
-		}
-
 		// Set
 		for _, header := range this.web.ResponseHeaderPolicy.SetHeaders {
 			if !header.IsOn {
 				continue
 			}
-			if header.Match(statusCode) {
-				if this.web.ResponseHeaderPolicy.ContainsDeletedHeader(header.Name) {
-					continue
+
+			// 是否已删除
+			if this.web.ResponseHeaderPolicy.ContainsDeletedHeader(header.Name) {
+				continue
+			}
+
+			// 状态码
+			if header.Status != nil && !header.Status.Match(statusCode) {
+				continue
+			}
+
+			// 请求方法
+			if len(header.Methods) > 0 && !lists.ContainsString(header.Methods, this.RawReq.Method) {
+				continue
+			}
+
+			// 域名
+			if len(header.Domains) > 0 && !configutils.MatchDomains(header.Domains, this.ReqHost) {
+				continue
+			}
+
+			// 是否为跳转
+			if header.DisableRedirect && httpStatusIsRedirect(statusCode) {
+				continue
+			}
+
+			var headerValue = header.Value
+			if header.ShouldReplace {
+				if len(headerValue) == 0 {
+					headerValue = responseHeader.Get(header.Name) // 原有值
+				} else if header.HasVariables() {
+					headerValue = this.Format(header.Value)
 				}
-				if header.HasVariables() {
-					responseHeader[header.Name] = []string{this.Format(header.Value)}
-				} else {
-					responseHeader[header.Name] = []string{header.Value}
+
+				for _, v := range header.ReplaceValues {
+					headerValue = v.Replace(headerValue)
 				}
+			} else if header.HasVariables() {
+				headerValue = this.Format(header.Value)
+			}
+
+			if header.ShouldAppend {
+				responseHeader[header.Name] = append(responseHeader[header.Name], headerValue)
+			} else {
+				responseHeader[header.Name] = []string{headerValue}
 			}
 		}
-
-		// Replace
-		// TODO
 	}

 	// HSTS
 	if this.IsHTTPS &&
-		this.Server.HTTPS != nil &&
-		this.Server.HTTPS.SSLPolicy != nil &&
-		this.Server.HTTPS.SSLPolicy.IsOn &&
-		this.Server.HTTPS.SSLPolicy.HSTS != nil &&
-		this.Server.HTTPS.SSLPolicy.HSTS.IsOn &&
-		this.Server.HTTPS.SSLPolicy.HSTS.Match(this.Host) {
-		responseHeader.Set(this.Server.HTTPS.SSLPolicy.HSTS.HeaderKey(), this.Server.HTTPS.SSLPolicy.HSTS.HeaderValue())
+		this.ReqServer.HTTPS != nil &&
+		this.ReqServer.HTTPS.SSLPolicy != nil &&
+		this.ReqServer.HTTPS.SSLPolicy.IsOn &&
+		this.ReqServer.HTTPS.SSLPolicy.HSTS != nil &&
+		this.ReqServer.HTTPS.SSLPolicy.HSTS.IsOn &&
+		this.ReqServer.HTTPS.SSLPolicy.HSTS.Match(this.ReqHost) {
+		responseHeader.Set(this.ReqServer.HTTPS.SSLPolicy.HSTS.HeaderKey(), this.ReqServer.HTTPS.SSLPolicy.HSTS.HeaderValue())
 	}
 }

@@ -1230,19 +1584,16 @@ func (this *HTTPRequest) addError(err error) {

 // 计算合适的buffer size
 func (this *HTTPRequest) bytePool(contentLength int64) *utils.BytePool {
-	if contentLength <= 0 {
-		return bytePool1k
-	}
-	if contentLength < 1024 { // 1K
-		return bytePool256b
+	if contentLength < 8192 { // 8K
+		return utils.BytePool1k
 	}
 	if contentLength < 32768 { // 32K
-		return bytePool1k
+		return utils.BytePool4k
 	}
-	if contentLength < 1048576 { // 1M
-		return bytePool32k
+	if contentLength < 131072 { // 128K
+		return utils.BytePool16k
 	}
-	return bytePool128k
+	return utils.BytePool32k
 }

 // 检查是否可以忽略错误
@@ -1279,3 +1630,18 @@ func (this *HTTPRequest) canIgnore(err error) bool {

 	return false
 }
+
+// 检查连接是否已关闭
+func (this *HTTPRequest) isConnClosed() bool {
+	requestConn := this.RawReq.Context().Value(HTTPConnContextKey)
+	if requestConn == nil {
+		return true
+	}
+
+	conn, ok := requestConn.(net.Conn)
+	if ok {
+		return isClientConnClosed(conn)
+	}
+
+	return true
+}
--- a/internal/nodes/http_request_auth.go
+++ b/internal/nodes/http_request_auth.go
@@ -27,13 +27,13 @@ func (this *HTTPRequest) doAuth() (shouldStop bool) {
 			subReq.ProtoMinor = this.RawReq.ProtoMinor
 			subReq.ProtoMajor = this.RawReq.ProtoMajor
 			subReq.Body = ioutil.NopCloser(bytes.NewReader([]byte{}))
-			subReq.Header.Set("Referer", this.requestFullURL())
+			subReq.Header.Set("Referer", this.URL())
 			var writer = NewEmptyResponseWriter(this.writer)
 			this.doSubRequest(writer, subReq)
 			return writer.StatusCode(), nil
 		}, this.Format)
 		if err != nil {
-			this.write50x(err, http.StatusInternalServerError)
+			this.write50x(err, http.StatusInternalServerError, false)
 			return
 		}
 		if b {
@@ -45,7 +45,7 @@ func (this *HTTPRequest) doAuth() (shouldStop bool) {
 				if len(method.Realm) > 0 {
 					headerValue += method.Realm
 				} else {
-					headerValue += this.Host
+					headerValue += this.ReqHost
 				}
 				headerValue += "\""
 				if len(method.Charset) > 0 {
--- a/internal/nodes/http_request_cache.go
+++ b/internal/nodes/http_request_cache.go
@@ -5,8 +5,12 @@ import (
 	"errors"
 	"github.com/TeaOSLab/EdgeCommon/pkg/rpc/pb"
 	"github.com/TeaOSLab/EdgeNode/internal/caches"
+	"github.com/TeaOSLab/EdgeNode/internal/compressions"
+	"github.com/TeaOSLab/EdgeNode/internal/goman"
 	"github.com/TeaOSLab/EdgeNode/internal/remotelogs"
 	"github.com/TeaOSLab/EdgeNode/internal/rpc"
+	"github.com/TeaOSLab/EdgeNode/internal/utils"
+	"io"
 	"net/http"
 	"path/filepath"
 	"strconv"
@@ -15,8 +19,10 @@ import (
 )

 // 读取缓存
-func (this *HTTPRequest) doCacheRead() (shouldStop bool) {
-	cachePolicy := this.Server.HTTPCachePolicy
+func (this *HTTPRequest) doCacheRead(useStale bool) (shouldStop bool) {
+	this.cacheCanTryStale = false
+
+	var cachePolicy = this.ReqServer.HTTPCachePolicy
 	if cachePolicy == nil || !cachePolicy.IsOn {
 		return
 	}
@@ -80,6 +86,12 @@ func (this *HTTPRequest) doCacheRead() (shouldStop bool) {
 		}
 	}

+	// 校验请求
+	if !this.cacheRef.MatchRequest(this.RawReq) {
+		this.cacheRef = nil
+		return
+	}
+
 	// 相关变量
 	this.varMapping["cache.policy.name"] = cachePolicy.Name
 	this.varMapping["cache.policy.id"] = strconv.FormatInt(cachePolicy.Id, 10)
@@ -95,14 +107,23 @@ func (this *HTTPRequest) doCacheRead() (shouldStop bool) {

 	// TODO 支持Vary Header

+	// 缓存标签
+	var tags = []string{}
+
 	// 检查是否有缓存
-	key := this.Format(this.cacheRef.Key)
+	var key = this.Format(this.cacheRef.Key)
 	if len(key) == 0 {
 		this.cacheRef = nil
 		return
 	}
+	var method = this.Method()
+	if method != http.MethodGet && method != http.MethodPost {
+		key += cacheMethodSuffix + method
+		tags = append(tags, strings.ToLower(method))
+	}

 	this.cacheKey = key
+	this.varMapping["cache.key"] = key

 	// 读取缓存
 	storage := caches.SharedManager.FindStorageWithPolicy(cachePolicy.Id)
@@ -110,20 +131,33 @@ func (this *HTTPRequest) doCacheRead() (shouldStop bool) {
 		this.cacheRef = nil
 		return
 	}
+	this.writer.cacheStorage = storage

 	// 判断是否在Purge
 	if this.web.Cache.PurgeIsOn && strings.ToUpper(this.RawReq.Method) == "PURGE" && this.RawReq.Header.Get("X-Edge-Purge-Key") == this.web.Cache.PurgeKey {
-		err := storage.Delete(key)
-		if err != nil {
-			remotelogs.Error("HTTP_REQUEST_CACHE", "purge failed: "+err.Error())
+		this.varMapping["cache.status"] = "PURGE"
+
+		var subKeys = []string{key, key + cacheMethodSuffix + "HEAD"}
+		// TODO 根据实际缓存的内容进行组合
+		for _, encoding := range compressions.AllEncodings() {
+			subKeys = append(subKeys, key+compressionCacheSuffix+encoding)
+			subKeys = append(subKeys, key+webpCacheSuffix+compressionCacheSuffix+encoding)
+		}
+		for _, subKey := range subKeys {
+			err := storage.Delete(subKey)
+			if err != nil {
+				remotelogs.Error("HTTP_REQUEST_CACHE", "purge failed: "+err.Error())
+			}
 		}

-		go func() {
+		// 通过API节点清除别节点上的的Key
+		// TODO 改为队列，不需要每个请求都使用goroutine
+		goman.New(func() {
 			rpcClient, err := rpc.SharedRPC()
 			if err == nil {
 				for _, rpcServerService := range rpcClient.ServerRPCList() {
 					_, err = rpcServerService.PurgeServerCache(rpcClient.Context(), &pb.PurgeServerCacheRequest{
-						Domains:  []string{this.Host},
+						Domains:  []string{this.ReqHost},
 						Keys:     []string{key},
 						Prefixes: nil,
 					})
@@ -132,52 +166,108 @@ func (this *HTTPRequest) doCacheRead() (shouldStop bool) {
 					}
 				}
 			}
-		}()
+		})

 		return true
 	}

-	buf := bytePool32k.Get()
-	defer func() {
-		bytePool32k.Put(buf)
-	}()
+	// 调用回调
+	this.onRequest()
+	if this.writer.isFinished {
+		return
+	}

 	var reader caches.Reader
 	var err error

-	// 是否优先检查WebP
-	if this.web.WebP != nil &&
+	// 检查是否支持WebP
+	var webPIsEnabled = false
+	var isHeadMethod = method == http.MethodHead
+	if !isHeadMethod &&
+		this.web.WebP != nil &&
 		this.web.WebP.IsOn &&
-		this.web.WebP.MatchRequest(filepath.Ext(this.requestPath()), this.Format) &&
-		this.web.WebP.MatchAccept(this.requestHeader("Accept")) {
-		reader, _ = storage.OpenReader(key + webpSuffix)
+		this.web.WebP.MatchRequest(filepath.Ext(this.Path()), this.Format) &&
+		this.web.WebP.MatchAccept(this.RawReq.Header.Get("Accept")) {
+		webPIsEnabled = true
+	}
+
+	// 检查压缩缓存
+	if !isHeadMethod && reader == nil {
+		if this.web.Compression != nil && this.web.Compression.IsOn {
+			_, encoding, ok := this.web.Compression.MatchAcceptEncoding(this.RawReq.Header.Get("Accept-Encoding"))
+			if ok {
+				// 检查支持WebP的压缩缓存
+				if webPIsEnabled {
+					reader, _ = storage.OpenReader(key+webpCacheSuffix+compressionCacheSuffix+encoding, useStale)
+					if reader != nil {
+						tags = append(tags, "webp", encoding)
+					}
+				}
+
+				// 检查普通缓存
+				if reader == nil {
+					reader, _ = storage.OpenReader(key+compressionCacheSuffix+encoding, useStale)
+					if reader != nil {
+						tags = append(tags, encoding)
+					}
+				}
+			}
+		}
+	}
+
+	// 检查WebP
+	if !isHeadMethod && reader == nil && webPIsEnabled {
+		reader, _ = storage.OpenReader(key+webpCacheSuffix, useStale)
+		if reader != nil {
+			this.writer.cacheReaderSuffix = webpCacheSuffix
+			tags = append(tags, "webp")
+		}
 	}

 	// 检查正常的文件
 	if reader == nil {
-		reader, err = storage.OpenReader(key)
+		reader, err = storage.OpenReader(key, useStale)
 		if err != nil {
 			if err == caches.ErrNotFound {
 				// cache相关变量
 				this.varMapping["cache.status"] = "MISS"
+
+				if !useStale && this.web.Cache.Stale != nil && this.web.Cache.Stale.IsOn {
+					this.cacheCanTryStale = true
+				}
 				return
 			}

 			if !this.canIgnore(err) {
-				remotelogs.Warn("HTTP_REQUEST_CACHE", "read from cache failed: "+err.Error())
+				remotelogs.Warn("HTTP_REQUEST_CACHE", this.URL()+": read from cache failed: open cache failed: "+err.Error())
 			}
 			return
 		}
 	}
+
 	defer func() {
-		_ = reader.Close()
+		if !this.writer.DelayRead() {
+			_ = reader.Close()
+		}
 	}()

-	this.varMapping["cache.status"] = "HIT"
-	this.logAttrs["cache.status"] = "HIT"
+	if useStale {
+		this.varMapping["cache.status"] = "STALE"
+		this.logAttrs["cache.status"] = "STALE"
+	} else {
+		this.varMapping["cache.status"] = "HIT"
+		this.logAttrs["cache.status"] = "HIT"
+	}
+
+	// 准备Buffer
+	var pool = this.bytePool(reader.BodySize())
+	var buf = pool.Get()
+	defer func() {
+		pool.Put(buf)
+	}()

 	// 读取Header
-	headerBuf := []byte{}
+	var headerBuf = []byte{}
 	err = reader.ReadHeader(buf, func(n int) (goNext bool, err error) {
 		headerBuf = append(headerBuf, buf[:n]...)
 		for {
@@ -199,13 +289,26 @@ func (this *HTTPRequest) doCacheRead() (shouldStop bool) {
 	})
 	if err != nil {
 		if !this.canIgnore(err) {
-			remotelogs.Warn("HTTP_REQUEST_CACHE", "read from cache failed: "+err.Error())
+			remotelogs.Warn("HTTP_REQUEST_CACHE", this.URL()+": read from cache failed: read header failed: "+err.Error())
 		}
 		return
 	}

+	// 设置cache.age变量
+	var age = strconv.FormatInt(reader.ExpiresAt()-utils.UnixTime(), 10)
+	this.varMapping["cache.age"] = age
+
 	if addStatusHeader {
-		this.writer.Header().Set("X-Cache", "HIT, "+refType+", "+reader.TypeName())
+		if useStale {
+			this.writer.Header().Set("X-Cache", "STALE, "+refType+", "+reader.TypeName())
+		} else {
+			this.writer.Header().Set("X-Cache", "HIT, "+refType+", "+reader.TypeName())
+		}
+	} else {
+		this.writer.Header().Del("X-Cache")
+	}
+	if this.web.Cache.AddAgeHeader {
+		this.writer.Header().Set("Age", age)
 	}

 	// ETag
@@ -214,7 +317,11 @@ func (this *HTTPRequest) doCacheRead() (shouldStop bool) {
 	var eTag = ""
 	var lastModifiedAt = reader.LastModified()
 	if lastModifiedAt > 0 {
-		eTag = "\"" + strconv.FormatInt(lastModifiedAt, 10) + "\""
+		if len(tags) > 0 {
+			eTag = "\"" + strconv.FormatInt(lastModifiedAt, 10) + "_" + strings.Join(tags, "_") + "\""
+		} else {
+			eTag = "\"" + strconv.FormatInt(lastModifiedAt, 10) + "\""
+		}
 		respHeader.Del("Etag")
 		respHeader["ETag"] = []string{eTag}
 	}
@@ -223,7 +330,7 @@ func (this *HTTPRequest) doCacheRead() (shouldStop bool) {
 	// 这里强制设置Last-Modified，如果先前源站设置了Last-Modified，将会被覆盖，避免因为源站的Last-Modified导致源站返回304 Not Modified
 	var modifiedTime = ""
 	if lastModifiedAt > 0 {
-		modifiedTime = time.Unix(lastModifiedAt, 0).Format("Mon, 02 Jan 2006 15:04:05 GMT")
+		modifiedTime = time.Unix(utils.GMTUnixTime(lastModifiedAt), 0).Format("Mon, 02 Jan 2006 15:04:05") + " GMT"
 		respHeader.Set("Last-Modified", modifiedTime)
 	}

@@ -250,6 +357,7 @@ func (this *HTTPRequest) doCacheRead() (shouldStop bool) {
 	}

 	this.processResponseHeaders(reader.Status())
+	this.addExpiresHeader(reader.ExpiresAt())

 	// 输出Body
 	if this.RawReq.Method == http.MethodHead {
@@ -313,7 +421,6 @@ func (this *HTTPRequest) doCacheRead() (shouldStop bool) {
 			}
 		}

-		respHeader := this.writer.Header()
 		if len(rangeSet) == 1 {
 			respHeader.Set("Content-Range", "bytes "+strconv.FormatInt(rangeSet[0][0], 10)+"-"+strconv.FormatInt(rangeSet[0][1], 10)+"/"+strconv.FormatInt(reader.BodySize(), 10))
 			respHeader.Set("Content-Length", strconv.FormatInt(rangeSet[0][1]-rangeSet[0][0]+1, 10))
@@ -327,13 +434,15 @@ func (this *HTTPRequest) doCacheRead() (shouldStop bool) {
 				return true, nil
 			})
 			if err != nil {
+				this.varMapping["cache.status"] = "MISS"
+
 				if err == caches.ErrInvalidRange {
 					this.processResponseHeaders(http.StatusRequestedRangeNotSatisfiable)
 					this.writer.WriteHeader(http.StatusRequestedRangeNotSatisfiable)
 					return true
 				}
 				if !this.canIgnore(err) {
-					remotelogs.Warn("HTTP_REQUEST_CACHE", "read from cache failed: "+err.Error())
+					remotelogs.Warn("HTTP_REQUEST_CACHE", this.URL()+": read from cache failed: "+err.Error())
 				}
 				return
 			}
@@ -379,7 +488,7 @@ func (this *HTTPRequest) doCacheRead() (shouldStop bool) {
 				})
 				if err != nil {
 					if !this.canIgnore(err) {
-						remotelogs.Warn("HTTP_REQUEST_CACHE", "read from cache failed: "+err.Error())
+						remotelogs.Warn("HTTP_REQUEST_CACHE", this.URL()+": read from cache failed: "+err.Error())
 					}
 					return true
 				}
@@ -387,23 +496,25 @@ func (this *HTTPRequest) doCacheRead() (shouldStop bool) {

 			_, err = this.writer.WriteString("\r\n--" + boundary + "--\r\n")
 			if err != nil {
+				this.varMapping["cache.status"] = "MISS"
+
 				// 不提示写入客户端错误
 				return true
 			}
 		} else { // 没有Range
-			this.writer.PrepareCompression(reader.BodySize())
+			var resp = &http.Response{Body: reader}
+			this.writer.Prepare(resp, reader.BodySize(), reader.Status(), false)
 			this.writer.WriteHeader(reader.Status())

-			err = reader.ReadBody(buf, func(n int) (goNext bool, err error) {
-				_, err = this.writer.Write(buf[:n])
-				if err != nil {
-					return false, errWritingToClient
-				}
-				return true, nil
-			})
+			_, err = io.CopyBuffer(this.writer, resp.Body, buf)
+			if err == io.EOF {
+				err = nil
+			}
 			if err != nil {
+				this.varMapping["cache.status"] = "MISS"
+
 				if !this.canIgnore(err) {
-					remotelogs.Warn("HTTP_REQUEST_CACHE", "read from cache failed: "+err.Error())
+					remotelogs.Warn("HTTP_REQUEST_CACHE", this.URL()+": read from cache failed: read body failed: "+err.Error())
 				}
 				return
 			}
@@ -417,3 +528,19 @@ func (this *HTTPRequest) doCacheRead() (shouldStop bool) {

 	return true
 }
+
+// 设置Expires Header
+func (this *HTTPRequest) addExpiresHeader(expiresAt int64) {
+	if this.cacheRef.ExpiresTime != nil && this.cacheRef.ExpiresTime.IsPrior && this.cacheRef.ExpiresTime.IsOn {
+		if this.cacheRef.ExpiresTime.Overwrite || len(this.writer.Header().Get("Expires")) == 0 {
+			if this.cacheRef.ExpiresTime.AutoCalculate {
+				this.writer.Header().Set("Expires", time.Unix(utils.GMTUnixTime(expiresAt), 0).Format("Mon, 2 Jan 2006 15:04:05")+" GMT")
+			} else if this.cacheRef.ExpiresTime.Duration != nil {
+				var duration = this.cacheRef.ExpiresTime.Duration.Duration()
+				if duration > 0 {
+					this.writer.Header().Set("Expires", utils.GMTTime(time.Now().Add(duration)).Format("Mon, 2 Jan 2006 15:04:05")+" GMT")
+				}
+			}
+		}
+	}
+}
--- a/internal/nodes/http_request_error.go
+++ b/internal/nodes/http_request_error.go
@@ -1,6 +1,7 @@
 package nodes

 import (
+	"github.com/iwind/TeaGo/lists"
 	"github.com/iwind/TeaGo/types"
 	"net/http"
 )
@@ -11,22 +12,42 @@ func (this *HTTPRequest) write404() {
 	}

 	this.processResponseHeaders(http.StatusNotFound)
-
-	msg := "404 page not found: '" + this.RawURI() + "'"
-
 	this.writer.WriteHeader(http.StatusNotFound)
-	_, _ = this.writer.Write([]byte(msg))
+	_, _ = this.writer.Write([]byte("404 page not found: '" + this.URL() + "'" + " (Request Id: " + this.requestId + ")"))
 }

-func (this *HTTPRequest) write50x(err error, statusCode int) {
+func (this *HTTPRequest) writeCode(code int) {
+	if this.doPage(code) {
+		return
+	}
+
+	this.processResponseHeaders(code)
+	this.writer.WriteHeader(code)
+	_, _ = this.writer.Write([]byte(types.String(code) + " " + http.StatusText(code) + ": '" + this.URL() + "'" + " (Request Id: " + this.requestId + ")"))
+}
+
+func (this *HTTPRequest) write50x(err error, statusCode int, canTryStale bool) {
 	if err != nil {
 		this.addError(err)
 	}

+	// 尝试从缓存中恢复
+	if canTryStale &&
+		this.cacheCanTryStale &&
+		this.web.Cache.Stale != nil &&
+		this.web.Cache.Stale.IsOn &&
+		(len(this.web.Cache.Stale.Status) == 0 || lists.ContainsInt(this.web.Cache.Stale.Status, statusCode)) {
+		ok := this.doCacheRead(true)
+		if ok {
+			return
+		}
+	}
+
+	// 显示自定义页面
 	if this.doPage(statusCode) {
 		return
 	}
 	this.processResponseHeaders(statusCode)
 	this.writer.WriteHeader(statusCode)
-	_, _ = this.writer.Write([]byte(types.String(statusCode) + " " + http.StatusText(statusCode)))
+	_, _ = this.writer.Write([]byte(types.String(statusCode) + " " + http.StatusText(statusCode) + " (Request Id: " + this.requestId + ")"))
 }
--- a/internal/nodes/http_request_events.go
+++ b/internal/nodes/http_request_events.go
@@ -0,0 +1,11 @@
+// Copyright 2021 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
+//go:build !script
+// +build !script
+
+package nodes
+
+func (this *HTTPRequest) onInit() {
+}
+
+func (this *HTTPRequest) onRequest() {
+}
--- a/internal/nodes/http_request_fastcgi.go
+++ b/internal/nodes/http_request_fastcgi.go
@@ -52,13 +52,13 @@ func (this *HTTPRequest) doFastcgi() (shouldStop bool) {
 		}
 	}
 	if !env.Has("SERVER_NAME") {
-		env["SERVER_NAME"] = this.Host
+		env["SERVER_NAME"] = this.ReqHost
 	}
 	if !env.Has("REQUEST_URI") {
 		env["REQUEST_URI"] = this.uri
 	}
 	if !env.Has("HOST") {
-		env["HOST"] = this.Host
+		env["HOST"] = this.ReqHost
 	}

 	if len(this.ServerAddr) > 0 {
@@ -81,7 +81,7 @@ func (this *HTTPRequest) doFastcgi() (shouldStop bool) {

 	client, err := fcgi.SharedPool(fastcgi.Network(), fastcgi.RealAddress(), uint(poolSize)).Client()
 	if err != nil {
-		this.write50x(err, http.StatusInternalServerError)
+		this.write50x(err, http.StatusInternalServerError, false)
 		return
 	}

@@ -149,7 +149,7 @@ func (this *HTTPRequest) doFastcgi() (shouldStop bool) {

 	host, found := params["HTTP_HOST"]
 	if !found || len(host) == 0 {
-		params["HTTP_HOST"] = this.Host
+		params["HTTP_HOST"] = this.ReqHost
 	}

 	fcgiReq := fcgi.NewRequest()
@@ -159,13 +159,13 @@ func (this *HTTPRequest) doFastcgi() (shouldStop bool) {

 	resp, stderr, err := client.Call(fcgiReq)
 	if err != nil {
-		this.write50x(err, http.StatusInternalServerError)
+		this.write50x(err, http.StatusInternalServerError, false)
 		return
 	}

 	if len(stderr) > 0 {
 		err := errors.New("Fastcgi Error: " + strings.TrimSpace(string(stderr)) + " script: " + maps.NewMap(params).GetString("SCRIPT_FILENAME"))
-		this.write50x(err, http.StatusInternalServerError)
+		this.write50x(err, http.StatusInternalServerError, false)
 		return
 	}

@@ -190,7 +190,7 @@ func (this *HTTPRequest) doFastcgi() (shouldStop bool) {
 	this.processResponseHeaders(resp.StatusCode)

 	// 准备
-	this.writer.Prepare(resp.ContentLength, resp.StatusCode)
+	this.writer.Prepare(resp, resp.ContentLength, resp.StatusCode, true)

 	// 设置响应代码
 	this.writer.WriteHeader(resp.StatusCode)
--- a/internal/nodes/http_request_health_check.go
+++ b/internal/nodes/http_request_health_check.go
@@ -14,7 +14,7 @@ func (this *HTTPRequest) doHealthCheck(key string) (stop bool) {

 	this.RawReq.Header.Del(serverconfigs.HealthCheckHeaderName)

-	data, err := nodeutils.DecryptData(sharedNodeConfig.NodeId, sharedNodeConfig.Secret, key)
+	data, err := nodeutils.Base64DecodeMap(key)
 	if err != nil {
 		remotelogs.Error("HTTP_REQUEST_HEALTH_CHECK", "decode key failed: "+err.Error())
 		return
--- a/internal/nodes/http_request_host_redirect.go
+++ b/internal/nodes/http_request_host_redirect.go
@@ -13,7 +13,7 @@ func (this *HTTPRequest) doHostRedirect() (blocked bool) {
 	if this.web.MergeSlashes {
 		urlPath = utils.CleanPath(urlPath)
 	}
-	fullURL := this.requestScheme() + "://" + this.Host + urlPath
+	fullURL := this.requestScheme() + "://" + this.ReqHost + urlPath
 	for _, u := range this.web.HostRedirects {
 		if !u.IsOn {
 			continue
@@ -27,9 +27,17 @@ func (this *HTTPRequest) doHostRedirect() (blocked bool) {
 				if u.KeepRequestURI {
 					afterURL += this.RawReq.URL.RequestURI()
 				}
+
+				// 前后是否一致
+				if fullURL == afterURL {
+					return false
+				}
+
 				if u.Status <= 0 {
+					this.processResponseHeaders(http.StatusTemporaryRedirect)
 					http.Redirect(this.RawWriter, this.RawReq, afterURL, http.StatusTemporaryRedirect)
 				} else {
+					this.processResponseHeaders(u.Status)
 					http.Redirect(this.RawWriter, this.RawReq, afterURL, u.Status)
 				}
 				return true
@@ -60,18 +68,47 @@ func (this *HTTPRequest) doHostRedirect() (blocked bool) {
 				}
 			}

+			// 前后是否一致
+			if fullURL == afterURL {
+				return false
+			}
+
+			if u.KeepArgs {
+				var qIndex = strings.Index(this.uri, "?")
+				if qIndex >= 0 {
+					afterURL += this.uri[qIndex:]
+				}
+			}
+
 			if u.Status <= 0 {
+				this.processResponseHeaders(http.StatusTemporaryRedirect)
 				http.Redirect(this.RawWriter, this.RawReq, afterURL, http.StatusTemporaryRedirect)
 			} else {
+				this.processResponseHeaders(u.Status)
 				http.Redirect(this.RawWriter, this.RawReq, afterURL, u.Status)
 			}
 			return true
 		} else { // 精准匹配
 			if fullURL == u.RealBeforeURL() {
+				// 前后是否一致
+				if fullURL == u.AfterURL {
+					return false
+				}
+
+				var afterURL = u.AfterURL
+				if u.KeepArgs {
+					var qIndex = strings.Index(this.uri, "?")
+					if qIndex >= 0 {
+						afterURL += this.uri[qIndex:]
+					}
+				}
+
 				if u.Status <= 0 {
-					http.Redirect(this.RawWriter, this.RawReq, u.AfterURL, http.StatusTemporaryRedirect)
+					this.processResponseHeaders(http.StatusTemporaryRedirect)
+					http.Redirect(this.RawWriter, this.RawReq, afterURL, http.StatusTemporaryRedirect)
 				} else {
-					http.Redirect(this.RawWriter, this.RawReq, u.AfterURL, u.Status)
+					this.processResponseHeaders(u.Status)
+					http.Redirect(this.RawWriter, this.RawReq, afterURL, u.Status)
 				}
 				return true
 			}
--- a/internal/nodes/http_request_limit.go
+++ b/internal/nodes/http_request_limit.go
@@ -0,0 +1,32 @@
+// Copyright 2021 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
+
+package nodes
+
+import "net/http"
+
+func (this *HTTPRequest) doRequestLimit() (shouldStop bool) {
+	// 检查请求Body尺寸
+	// TODO 处理分片提交的内容
+	if this.web.RequestLimit.MaxBodyBytes() > 0 &&
+		this.RawReq.ContentLength > this.web.RequestLimit.MaxBodyBytes() {
+		this.writeCode(http.StatusRequestEntityTooLarge)
+		return true
+	}
+
+	// 设置连接相关参数
+	if this.web.RequestLimit.MaxConns > 0 || this.web.RequestLimit.MaxConnsPerIP > 0 {
+		requestConn := this.RawReq.Context().Value(HTTPConnContextKey)
+		if requestConn != nil {
+			clientConn, ok := requestConn.(ClientConnInterface)
+			if ok && !clientConn.IsBound() {
+				if !clientConn.Bind(this.ReqServer.Id, this.requestRemoteAddr(true), this.web.RequestLimit.MaxConns, this.web.RequestLimit.MaxConnsPerIP) {
+					this.writeCode(http.StatusTooManyRequests)
+					this.Close()
+					return true
+				}
+			}
+		}
+	}
+
+	return false
+}
--- a/Show More
+++ b/Show More
Author	SHA1	Message	Date
刘祥超	83f581f7f0	清理缓存时也清理HEAD缓存	2022-02-22 21:52:28 +08:00
刘祥超	03ce082926	支持对GET/POST之外的请求方法独立缓存	2022-02-22 21:43:47 +08:00
刘祥超	ebafe458ff	支持缓存压缩后的内容	2022-02-22 19:29:27 +08:00
刘祥超	ff30b8d15c	修改版本为v0.4.3	2022-02-21 18:31:17 +08:00
刘祥超	51dd778ca7	更改为v0.4.2	2022-02-21 17:52:02 +08:00
刘祥超	b5f706686c	修复热点数据从文件系统转移到内存时可能不完整的Bug/实现部分Partial Content功能	2022-02-21 17:33:58 +08:00
刘祥超	b67c2ec39c	缓存关闭X-Cache显示时从Header中删除X-Cache	2022-02-21 16:55:25 +08:00
刘祥超	d40bc4e72b	URL跳转可以设置是否保留参数	2022-02-20 09:17:50 +08:00
刘祥超	94d0fc7e88	当压缩格式不在Accept-Encoding中时自动解压	2022-02-18 11:05:09 +08:00
刘祥超	ceaeba7089	修复文件句柄缓存可能重复加入的Bug	2022-02-17 17:38:56 +08:00
刘祥超	a1e868bf29	读取缓存错误更详细	2022-02-17 17:24:35 +08:00
刘祥超	e60af85819	修复从缓存文件中读取压缩内容时可能失败的Bug	2022-02-17 16:56:13 +08:00
刘祥超	7bd24fcc81	检查是否压缩的时候，如果content-type为空，则默认为text/html	2022-02-15 18:31:37 +08:00
刘祥超	4331223916	优化代码	2022-02-15 16:44:39 +08:00
刘祥超	f50113517a	重构对HTTP请求的处理方法：缓存、压缩、WebP、限速	2022-02-15 14:55:49 +08:00
刘祥超	6d6e25f298	WAF规则提示错误时增加分组ID、规则集ID、规则描述	2022-01-29 21:43:42 +08:00
刘祥超	69c89fda48	支持单个服务更新配置	2022-01-19 22:16:46 +08:00
刘祥超	9a56671457	修改版本为v0.4.1	2022-01-17 10:53:23 +08:00
刘祥超	7dde0deb25	TCP源站也支持证书	2022-01-16 19:58:07 +08:00
刘祥超	b4647b1baa	优化验证码在窄屏上的展示	2022-01-16 16:57:25 +08:00
刘祥超	952e3ca572	CAPTCHA增加多个选项	2022-01-16 16:54:13 +08:00
刘祥超	238973a5e2	删除缓存数据库版本切换时的错误提示	2022-01-14 11:48:39 +08:00
刘祥超	9b6ab2fa8b	优化代码	2022-01-14 11:21:28 +08:00
刘祥超	9591004b70	优化代码	2022-01-13 15:49:42 +08:00
刘祥超	00cd86a8b3	优化open file cache，现在能缓存header	2022-01-13 15:18:49 +08:00
刘祥超	2a1cc63989	优化代码	2022-01-13 11:46:42 +08:00
刘祥超	8177768cf6	优化代码	2022-01-13 11:45:51 +08:00
刘祥超	14d156d42d	改进SYN Flood检测	2022-01-13 11:36:05 +08:00
刘祥超	63992bb2a0	优化代码	2022-01-12 21:41:05 +08:00
刘祥超	d02f9f9a0e	实现open file cache	2022-01-12 21:09:00 +08:00
刘祥超	91fab59a18	优化代码	2022-01-12 20:31:04 +08:00
刘祥超	76c82b431a	优化代码	2022-01-11 17:17:58 +08:00
刘祥超	2f6414fc55	优化代码	2022-01-11 16:02:41 +08:00
刘祥超	e23f4aaee2	优化代码	2022-01-11 09:25:34 +08:00
刘祥超	443660ac38	实现自动SYN Flood防护	2022-01-10 19:54:10 +08:00
刘祥超	488430bbef	优化代码	2022-01-10 15:38:53 +08:00
刘祥超	344de90bff	部分请求增加User-Agent	2022-01-10 10:02:15 +08:00
刘祥超	2f02827cb7	优化编译脚本	2022-01-09 20:12:59 +08:00
刘祥超	03e774cc44	自动使用本地防火墙/增加edge-node [ip.drop\|ip.reject\|ip.remove]等命令	2022-01-09 17:07:37 +08:00
刘祥超	ff2826ab47	优化一处错误提示	2022-01-09 15:32:02 +08:00
刘祥超	ecaa45db34	优化代码	2022-01-09 10:53:21 +08:00
刘祥超	b6cc826a54	优化正则表达式/修复一些测试用例	2022-01-08 12:20:18 +08:00
刘祥超	b8d7e3f5b4	提升WAF正则表达式性能（提升20%以上）	2022-01-08 11:45:14 +08:00
刘祥超	390be7f6c6	增加${browser.xxx}相关变量	2022-01-06 17:05:04 +08:00
刘祥超	ac4e240912	国家、省份数据不再每个小时更新一次；WAF增加国家/地区、省份、城市、ISP等参数	2022-01-06 16:27:39 +08:00
刘祥超	be7267211b	统计数据上传时如果遇到invalid utf-8，则自动过滤非法字符/统计数据上传失败时，仍然丢弃已有的统计数据，防止数据堆积	2022-01-05 16:05:58 +08:00
刘祥超	88fa75acb5	优化代码	2022-01-03 21:50:51 +08:00
刘祥超	d62fccf0a4	如果源站返回的内容长度为0，则不再尝试读取数据	2022-01-03 18:10:02 +08:00
刘祥超	258ffef0c2	尝试自动在firewalld中开放端口	2022-01-03 16:27:34 +08:00
刘祥超	a41f834192	可以打印服务相关日志信息	2022-01-03 15:53:59 +08:00
刘祥超	00500cb6a3	优化代码	2022-01-02 22:45:37 +08:00
刘祥超	32a3400138	优化代码	2022-01-01 22:02:46 +08:00
刘祥超	5ae4ef665e	优化UserAgent解析	2022-01-01 21:47:59 +08:00
刘祥超	336db828ad	优化代码	2022-01-01 20:15:39 +08:00
刘祥超	a1212804bb	增加edge-node gc命令	2022-01-01 17:18:34 +08:00
刘祥超	763ab4ac98	优化代码	2021-12-31 19:51:56 +08:00
刘祥超	4ec6ae4301	优化文字提示	2021-12-31 19:46:33 +08:00
刘祥超	4f292c5003	如果没有设置节点CPU线程数，则默认为4倍的CPU线程数	2021-12-31 19:45:54 +08:00
刘祥超	a00325f41a	修改版本为0.4.0	2021-12-31 15:19:20 +08:00
刘祥超	fc4490b782	修改版本号0.3.8	2021-12-31 11:36:11 +08:00
刘祥超	7f3f7e21b8	将请求的一些方法改为可exported，方便以后扩展	2021-12-30 11:19:11 +08:00
刘祥超	2525cdc061	根据Accept-Encoding决定是否解压响应内容	2021-12-29 10:57:15 +08:00
刘祥超	4ffc619aad	将获取系统内存函数放入到utils中	2021-12-29 10:53:59 +08:00
刘祥超	f930705fd7	删除不需要的文件	2021-12-24 15:00:49 +08:00
刘祥超	56961c1476	修复测试用例	2021-12-23 14:36:52 +08:00
刘祥超	28b61d493f	优化代码	2021-12-22 16:43:16 +08:00
刘祥超	5cb5ddf2c1	修复并发下，写缓存文件可能冲突的问题	2021-12-21 08:03:09 +08:00
刘祥超	fd0bc37ec7	修复并发下，写缓存文件可能冲突的问题	2021-12-21 00:27:32 +08:00
刘祥超	73666bea7f	修改版本号为0.4.0	2021-12-20 20:01:07 +08:00
刘祥超	462442e21a	缓存数据库升级时从老的数据库转移数据	2021-12-19 18:55:54 +08:00
刘祥超	90fcddfb9f	WAF：优化get302/post307代码	2021-12-19 18:54:43 +08:00
刘祥超	8de791079c	优化代码	2021-12-19 16:54:56 +08:00
刘祥超	13b89d5971	当使用quit退出进程时，同时也禁用缓存策略	2021-12-19 14:15:17 +08:00
刘祥超	8b97638624	优化代码	2021-12-19 11:32:26 +08:00
刘祥超	79ea9e795e	edge-node conns命令可以打印当前总连接数	2021-12-18 20:13:41 +08:00
刘祥超	38e06e7b03	TLS连接增加握手超时检查	2021-12-18 19:17:40 +08:00
刘祥超	f25de8d5c9	批量清除缓存时延时删除	2021-12-17 11:54:27 +08:00
刘祥超	af74500810	优化代码	2021-12-17 11:54:06 +08:00
刘祥超	189295ffcf	X-Cache增加STALE状态	2021-12-17 11:53:59 +08:00
刘祥超	da09889eca	优化代码	2021-12-16 20:36:42 +08:00
刘祥超	9ffa910044	源站没有地址时也尝试Stale Cache/避免write50x()方法进入死循环	2021-12-16 17:38:07 +08:00
刘祥超	a6d711c2a0	实现stale cache读取	2021-12-16 17:27:21 +08:00
刘祥超	6bedc97c95	优化代码	2021-12-15 20:46:10 +08:00
刘祥超	4bdd1eda76	更新依赖	2021-12-15 16:57:06 +08:00
刘祥超	7fd9766565	修复未完成的代码	2021-12-15 15:11:25 +08:00
刘祥超	72983d8d86	优化代码	2021-12-15 15:09:58 +08:00
刘祥超	ec6494fa9c	优化HTTP参数	2021-12-15 13:48:48 +08:00
刘祥超	a4a6e95099	HTTP Header：实现请求方法、域名、状态码等限制，实现内容替换功能	2021-12-14 21:27:24 +08:00
刘祥超	2e11c99b7a	优化代码	2021-12-14 10:49:40 +08:00
刘祥超	014f433191	优化代码	2021-12-14 10:01:21 +08:00
刘祥超	e6ac085025	优化代码	2021-12-13 14:58:24 +08:00
刘祥超	6f60be6a00	服务最大连接数和单IP最大连接数任其一不为0则生效	2021-12-13 11:24:03 +08:00
刘祥超	dceb082a83	修改网络连接错误日志级别	2021-12-13 08:27:39 +08:00
刘祥超	9084794448	路由规则增加专属域名设置	2021-12-12 16:38:38 +08:00
刘祥超	065de8d208	在URL跳转、重写规则跳转、自动跳转到HTTPS等处增加响应Header	2021-12-12 14:10:42 +08:00
刘祥超	e5f9316e33	实现请求连接数等限制	2021-12-12 11:48:01 +08:00
刘祥超	bb5fa38613	实现全局的TCP最大连接数	2021-12-09 17:34:05 +08:00
刘祥超	ccb97b1c79	实现线程数限制	2021-12-09 12:07:59 +08:00
刘祥超	853e4fd0f0	使用空struct{}代替bool节约内存	2021-12-09 12:07:46 +08:00
刘祥超	d3169eaea5	优化代码	2021-12-08 22:19:15 +08:00
刘祥超	68b93bf6b4	可以在缓存条件里设置Expires Header	2021-12-08 17:41:39 +08:00
刘祥超	1279f0d394	优化系统goroutine使用，减少goroutine数量，增加goman查看goroutine数量指令	2021-12-08 15:17:45 +08:00
刘祥超	24fbd740b5	实现记录请求Body	2021-12-07 15:12:15 +08:00
刘祥超	5772fb2309	缓存支持请求方法设置	2021-12-07 10:43:42 +08:00
刘祥超	bf2b889c16	增加${cache.key}变量	2021-12-07 09:28:15 +08:00
刘祥超	9372bc90dd	增加${isArgs}请求变量	2021-12-06 21:47:57 +08:00
刘祥超	5b46c80431	在开发环境下打印Go语言内部HTTP调试信息	2021-12-06 19:28:26 +08:00
刘祥超	1bdb988425	启动时增加sid设置	2021-12-06 19:28:00 +08:00
刘祥超	a544a77669	自动将API节点的IP加入到白名单，防止误封但要注意：在单个机器上安装API节点和边缘节点，通过局域网IP访问时就无法测试WAF规则，因为会被自动加入到白名单	2021-12-06 10:11:22 +08:00
刘祥超	c61108faa8	优化代码	2021-12-06 08:56:02 +08:00
刘祥超	30ac3118e2	国家/地区统计时上传流量、攻击量等信息	2021-12-05 18:57:30 +08:00
刘祥超	f0e8dd1baa	缓存增加UPDATING状态	2021-12-05 17:10:06 +08:00
刘祥超	04a327ce9a	修复源站主动关闭连接时无法缓存内容的Bug	2021-12-05 16:55:33 +08:00
刘祥超	2ac26f6aa4	回源主机名为“跟随源站”时，获得的源站主机名去除常规端口80和443	2021-12-05 09:30:45 +08:00
刘祥超	d9aac44ea3	WAF忽略客户端断开连接错误	2021-12-04 19:28:02 +08:00
刘祥超	160a1f1466	优化通过IP查询区域性能	2021-12-03 15:51:28 +08:00
刘祥超	38e2c151ec	降低ttlcache最大内存增量	2021-12-03 10:22:03 +08:00
刘祥超	9d54c17695	支持规则集忽略局域网IP	2021-12-02 16:08:25 +08:00
刘祥超	e31d68c1e1	将RPC连接错误级别从error改为warning	2021-12-02 15:14:47 +08:00
刘祥超	7ae9180bf9	多个提示页面增加请求ID、增加变量支持	2021-12-02 14:46:40 +08:00
刘祥超	424f3ae29d	优化验证码页面	2021-12-02 12:08:59 +08:00
刘祥超	ca0571a21b	增加${requestId}变量	2021-12-02 11:30:47 +08:00
刘祥超	c9bd9fd460	URL跳转时检查前后跳转的URL是否一致，防止无限跳转	2021-12-02 10:35:51 +08:00
刘祥超	8d4ec6822c	缓存支持源站设置的max-age	2021-12-02 10:19:02 +08:00
刘祥超	061253b4c3	缓存在响应中可以添加Age Header	2021-12-02 09:54:48 +08:00
刘祥超	f6dfd6acec	增加${cache.age}变量	2021-12-02 09:34:38 +08:00
刘祥超	a35aa2f520	增加是否记录499选项	2021-12-01 21:13:10 +08:00
刘祥超	ea84c41be3	因WAF规则拦截而关闭连接时，不记录499	2021-12-01 20:55:19 +08:00
刘祥超	0f0776fc1a	修复WAF OnAction在并发时无法准确调用请求动作的Bug	2021-12-01 17:43:08 +08:00
刘祥超	6aacf49764	可以上报服务相关配置错误	2021-12-01 15:52:38 +08:00
刘祥超	18a01b9b43	上传访问日志时如果出现string field contains invalid UTF-8，则重新处理后提交	2021-12-01 14:25:55 +08:00
刘祥超	32a3e08332	优化编译脚本	2021-12-01 14:24:56 +08:00
刘祥超	2397695a2d	优化服务日志	2021-11-30 16:43:58 +08:00
刘祥超	0ceebd9902	端口提示被占用时提示语中加入当前占用端口的进程名	2021-11-30 15:03:46 +08:00
刘祥超	7e62c72b79	修复TOA管理中可能出现的panic错误	2021-11-29 11:15:14 +08:00
刘祥超	b3dedbdc31	健康检查不使用密钥加密	2021-11-29 09:52:31 +08:00
刘祥超	fa967b5450	修改版本号为0.3.7	2021-11-28 14:28:24 +08:00
刘祥超	b619eb4efe	修复WAF中scheme checkpoint值为空的问题	2021-11-26 13:42:04 +08:00