修复清理内存缓存内容后无法写入新缓存的问题（一直提示the file is writing）

修复OSS stub
优化计数器
2023-07-17 09:29:59 +08:00 · 2023-07-15 17:19:08 +08:00 · 2023-07-15 11:08:25 +08:00 · 2023-07-14 16:03:58 +08:00 · 2023-07-14 11:02:20 +08:00 · 2023-07-13 16:20:46 +08:00
67 changed files with 1700 additions and 473 deletions
--- a/go.mod
+++ b/go.mod
@@ -10,50 +10,73 @@ replace (

 require (
 	github.com/TeaOSLab/EdgeCommon v0.0.0-00010101000000-000000000000
-	github.com/andybalholm/brotli v1.0.4
+	github.com/aliyun/aliyun-oss-go-sdk v2.2.7+incompatible
+	github.com/andybalholm/brotli v1.0.5
+	github.com/aws/aws-sdk-go v1.44.279
 	github.com/biessek/golang-ico v0.0.0-20180326222316-d348d9ea4670
 	github.com/cespare/xxhash v1.1.0
 	github.com/dchest/captcha v0.0.0-20200903113550-03f5f0333e1f
-	github.com/fsnotify/fsnotify v1.5.1
+	github.com/fsnotify/fsnotify v1.6.0
 	github.com/go-redis/redis/v8 v8.11.5
-	github.com/golang/protobuf v1.5.2
+	github.com/golang/protobuf v1.5.3
 	github.com/google/nftables v0.1.0
-	github.com/iwind/TeaGo v0.0.0-20230304012706-c1f4a4e27470
+	github.com/huaweicloud/huaweicloud-sdk-go-obs v3.23.4+incompatible
+	github.com/iwind/TeaGo v0.0.0-20230630104525-161f0b32996d
 	github.com/iwind/gofcgi v0.0.0-20210528023741-a92711d45f11
 	github.com/iwind/gosock v0.0.0-20211103081026-ee4652210ca4
-	github.com/iwind/gowebp v0.0.0-20220819053541-c235395277b5
+	github.com/iwind/gowebp v0.0.0-20230615040911-5013dbb9d508
 	github.com/klauspost/compress v1.16.5
 	github.com/mattn/go-sqlite3 v1.14.9
 	github.com/mdlayher/netlink v1.7.1
 	github.com/miekg/dns v1.1.43
 	github.com/mssola/useragent v1.0.0
 	github.com/pires/go-proxyproto v0.6.1
+	github.com/qiniu/go-sdk/v7 v7.16.0
+	github.com/quic-go/quic-go v0.36.1
 	github.com/shirou/gopsutil/v3 v3.22.2
+	github.com/tencentyun/cos-go-sdk-v5 v0.7.41
 	golang.org/x/image v0.7.0
-	golang.org/x/net v0.8.0
-	golang.org/x/sys v0.6.0
-	golang.org/x/text v0.9.0
-	google.golang.org/grpc v1.45.0
+	golang.org/x/net v0.12.0
+	golang.org/x/sys v0.10.0
+	google.golang.org/grpc v1.55.0
 	gopkg.in/yaml.v3 v3.0.1
 )

 require (
-	github.com/cespare/xxhash/v2 v2.1.2 // indirect
+	github.com/cespare/xxhash/v2 v2.2.0 // indirect
 	github.com/chai2010/webp v1.1.1 // indirect
+	github.com/clbanning/mxj v1.8.4 // indirect
 	github.com/dgryski/go-rendezvous v0.0.0-20200823014737-9f7001d12a5f // indirect
 	github.com/go-ole/go-ole v1.2.6 // indirect
+	github.com/go-task/slim-sprig v0.0.0-20230315185526-52ccab3ef572 // indirect
+	github.com/golang/mock v1.6.0 // indirect
 	github.com/google/go-cmp v0.5.9 // indirect
+	github.com/google/go-querystring v1.0.0 // indirect
+	github.com/google/pprof v0.0.0-20230705174524-200ffdc848b8 // indirect
+	github.com/jmespath/go-jmespath v0.4.0 // indirect
 	github.com/josharian/native v1.0.0 // indirect
 	github.com/jsummers/gobmp v0.0.0-20151104160322-e2ba15ffa76e // indirect
-	github.com/kr/text v0.2.0 // indirect
 	github.com/lufia/plan9stats v0.0.0-20211012122336-39d0f177ccd0 // indirect
 	github.com/mdlayher/socket v0.4.0 // indirect
+	github.com/mitchellh/mapstructure v1.4.3 // indirect
+	github.com/mozillazg/go-httpheader v0.2.1 // indirect
+	github.com/onsi/ginkgo/v2 v2.11.0 // indirect
 	github.com/power-devops/perfstat v0.0.0-20210106213030-5aafc221ea8c // indirect
+	github.com/quic-go/qpack v0.4.0 // indirect
+	github.com/quic-go/qtls-go1-19 v0.3.2 // indirect
+	github.com/quic-go/qtls-go1-20 v0.2.2 // indirect
+	github.com/tdewolff/minify/v2 v2.12.7 // indirect
+	github.com/tdewolff/parse/v2 v2.6.6 // indirect
 	github.com/tklauser/go-sysconf v0.3.9 // indirect
 	github.com/tklauser/numcpus v0.3.0 // indirect
 	github.com/yusufpapurcu/wmi v1.2.2 // indirect
-	golang.org/x/sync v0.1.0 // indirect
-	google.golang.org/genproto v0.0.0-20220317150908-0efb43f6373e // indirect
-	google.golang.org/protobuf v1.27.1 // indirect
-	gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c // indirect
+	golang.org/x/crypto v0.11.0 // indirect
+	golang.org/x/exp v0.0.0-20230626212559-97b1e661b5df // indirect
+	golang.org/x/mod v0.12.0 // indirect
+	golang.org/x/sync v0.3.0 // indirect
+	golang.org/x/text v0.11.0 // indirect
+	golang.org/x/time v0.3.0 // indirect
+	golang.org/x/tools v0.11.0 // indirect
+	google.golang.org/genproto/googleapis/rpc v0.0.0-20230530153820-e85fd2cbaebc // indirect
+	google.golang.org/protobuf v1.30.0 // indirect
 )
--- a/go.sum
+++ b/go.sum
@@ -1,100 +1,98 @@
-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=
-github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
 github.com/OneOfOne/xxhash v1.2.2 h1:KMrpdQIwFcEqXDklaen+P1axHaj9BSKzvpUUfnHldSE=
 github.com/OneOfOne/xxhash v1.2.2/go.mod h1:HSdplMjZKSmBqAxg5vPj2TmRDmfkzw+cTzAElWljhcU=
-github.com/andybalholm/brotli v1.0.4 h1:V7DdXeJtZscaqfNuAdSRuRFzuiKlHSC/Zh3zl9qY3JY=
-github.com/andybalholm/brotli v1.0.4/go.mod h1:fO7iG3H7G2nSZ7m0zPUDn85XEX2GTukHGRSepvi9Eig=
-github.com/antihax/optional v1.0.0/go.mod h1:uupD/76wgC+ih3iEmQUL+0Ugr19nfwCT1kdvxnR2qWY=
+github.com/QcloudApi/qcloud_sign_golang v0.0.0-20141224014652-e4130a326409/go.mod h1:1pk82RBxDY/JZnPQrtqHlUFfCctgdorsd9M06fMynOM=
+github.com/aliyun/aliyun-oss-go-sdk v2.2.7+incompatible h1:KpbJFXwhVeuxNtBJ74MCGbIoaBok2uZvkD7QXp2+Wis=
+github.com/aliyun/aliyun-oss-go-sdk v2.2.7+incompatible/go.mod h1:T/Aws4fEfogEE9v+HPhhw+CntffsBHJ8nXQCwKr0/g8=
+github.com/andybalholm/brotli v1.0.5 h1:8uQZIdzKmjc/iuPu7O2ioW48L81FgatrcpfFmiq/cCs=
+github.com/andybalholm/brotli v1.0.5/go.mod h1:fO7iG3H7G2nSZ7m0zPUDn85XEX2GTukHGRSepvi9Eig=
+github.com/aws/aws-sdk-go v1.44.279 h1:g23dxnYjIiPlQo0gIKNR0zVPsSvo1bj5frWln+5sfhk=
+github.com/aws/aws-sdk-go v1.44.279/go.mod h1:aVsgQcEevwlmQ7qHE9I3h+dtQgpqhFB+i8Phjh7fkwI=
 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=
-github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
 github.com/cespare/xxhash v1.1.0 h1:a6HrQnmkObjyL+Gs60czilIUGqrzKutQD6XZog3p+ko=
 github.com/cespare/xxhash v1.1.0/go.mod h1:XrSqR1VqqWfGrhpAt58auRo0WTKS1nRRg3ghfAqPWnc=
-github.com/cespare/xxhash/v2 v2.1.1/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
-github.com/cespare/xxhash/v2 v2.1.2 h1:YRXhKfTDauu4ajMg1TPgFO5jnlC2HCbmLXMcTG5cbYE=
-github.com/cespare/xxhash/v2 v2.1.2/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
+github.com/cespare/xxhash/v2 v2.2.0 h1:DC2CZ1Ep5Y4k3ZQ899DldepgrayRUGE6BBZ/cd9Cj44=
+github.com/cespare/xxhash/v2 v2.2.0/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
 github.com/chai2010/webp v1.1.1 h1:jTRmEccAJ4MGrhFOrPMpNGIJ/eybIgwKpcACsrTEapk=
 github.com/chai2010/webp v1.1.1/go.mod h1:0XVwvZWdjjdxpUEIf7b9g9VkHFnInUSYujwqTLEuldU=
-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 v0.0.0-20210805033703-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/cheekybits/is v0.0.0-20150225183255-68e9c0620927/go.mod h1:h/aW8ynjgkuj+NQRlZcDbAbM1ORAbXjXX77sX7T289U=
+github.com/clbanning/mxj v1.8.4 h1:HuhwZtbyvyOw+3Z1AowPkU87JkJUSv751ELWaiTpj8I=
+github.com/clbanning/mxj v1.8.4/go.mod h1:BVjHeAH+rl9rs6f+QIpeRl0tfu10SXn1pUSa5PVGJng=
 github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E=
-github.com/davecgh/go-spew v1.1.0 h1:ZDRjVQ15GmhC3fiQ8ni8+OwkZQO4DARzQgrnXU1Liz8=
 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=
+github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 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 v0.0.0-20200823014737-9f7001d12a5f h1:lO4WD4F/rVNCu3HqELle0jiPLLBs70cWOduZpkS1E78=
 github.com/dgryski/go-rendezvous v0.0.0-20200823014737-9f7001d12a5f/go.mod h1:cuUVRXasLTGF7a8hSLbxyZXjz+1KgoB3wDUb6vlszIc=
-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 v0.9.9-0.20201210154907-fd9021fe5dad/go.mod h1:cXg6YxExXjJnVBQHBLXeUAgxn2UodCpnH306RInaBQk=
-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/ghodss/yaml v1.0.0/go.mod h1:4dBDuWmgqj2HViK6kFavaiC9ZROes6MMH2rRYeMEF04=
+github.com/djherbis/atime v1.1.0/go.mod h1:28OF6Y8s3NQWwacXc5eZTsEsiMzp7LF8MbXE+XJPdBE=
+github.com/dustin/go-humanize v1.0.1/go.mod h1:Mu1zIs6XwVuF/gI1OepvI0qD18qycQx+mFykh5fBlto=
+github.com/go-logr/logr v1.2.4 h1:g01GSCwiDw2xSZfjJ2/T9M+S6pFdcNtFYsp+Y43HYDQ=
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+github.com/go-playground/assert/v2 v2.0.1/go.mod h1:VDjEfimB/XKnb+ZQfWdccd7VUvScMdVu0Titje2rxJ4=
+github.com/go-playground/locales v0.13.0/go.mod h1:taPMhCMXrRLJO55olJkUXHZBHCxTMfnGwq/HNwmWNS8=
+github.com/go-playground/locales v0.14.0/go.mod h1:sawfccIbzZTqEDETgFXqTho0QybSa7l++s0DH+LDiLs=
+github.com/go-playground/universal-translator v0.17.0/go.mod h1:UkSxE5sNxxRwHyU+Scu5vgOQjsIJAF8j9muTVoKLVtA=
+github.com/go-playground/universal-translator v0.18.0/go.mod h1:UvRDBj+xPUEGrFYl+lu/H90nyDXpg0fqeB/AQUGNTVA=
+github.com/go-playground/validator/v10 v10.8.0/go.mod h1:9JhgTzTaE31GZDpH/HSvHiRJrJ3iKAgqqH0Bl/Ocjdk=
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-github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b/go.mod h1:SBH7ygxi8pfUlaOkMMuAQtPIUF8ecWP5IEl/CR7VP2Q=
-github.com/golang/mock v1.1.1/go.mod h1:oTYuIxOrZwtPieC+H1uAHpcLFnEyAGVDL/k47Jfbm0A=
-github.com/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
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-google.golang.org/protobuf v1.23.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
-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/genproto/googleapis/rpc v0.0.0-20230530153820-e85fd2cbaebc h1:XSJ8Vk1SWuNr8S18z1NZSziL0CPIXLCCMDOEFtHBOFc=
+google.golang.org/genproto/googleapis/rpc v0.0.0-20230530153820-e85fd2cbaebc/go.mod h1:66JfowdXAEgad5O9NnYcsNPLCPZJD++2L9X0PCMODrA=
+google.golang.org/grpc v1.55.0 h1:3Oj82/tFSCeUrRTg/5E/7d/W5A1tj6Ky1ABAuZuv5ag=
+google.golang.org/grpc v1.55.0/go.mod h1:iYEXKGkEBhg1PjZQvoYEVPTDkHo1/bjTnfwTeGONTY8=
 google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw=
 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=
+google.golang.org/protobuf v1.30.0 h1:kPPoIgf3TsEvrm0PFe15JQ+570QVxYzEvvHqChK+cng=
+google.golang.org/protobuf v1.30.0/go.mod h1:HV8QOd/L58Z+nl8r43ehVNZIU/HEI6OcFqwMG9pJV4I=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c h1:Hei/4ADfdWqJk1ZMxUNpqntNwaWcugrBjAiHlqqRiVk=
 gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c/go.mod h1:JHkPIbrfpd72SG/EVd6muEfDQjcINNoR0C8j2r3qZ4Q=
+gopkg.in/errgo.v2 v2.1.0/go.mod h1:hNsd1EY+bozCKY1Ytp96fpM3vjJbqLJn88ws8XvfDNI=
 gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7 h1:uRGJdciOHaEIrze2W8Q3AKkepLTh2hOroT7a+7czfdQ=
-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 v2.2.8/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.4.0 h1:D8xgwECY7CYvx+Y2n4sBz93Jn9JRvxdiyyo8CTfuKaY=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
+gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
 gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
-honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
-honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
--- a/internal/apps/app_cmd.go
+++ b/internal/apps/app_cmd.go
@@ -3,6 +3,7 @@ package apps
 import (
 	"fmt"
 	teaconst "github.com/TeaOSLab/EdgeNode/internal/const"
+	executils "github.com/TeaOSLab/EdgeNode/internal/utils/exec"
 	"github.com/iwind/TeaGo/logs"
 	"github.com/iwind/TeaGo/maps"
 	"github.com/iwind/TeaGo/types"
@@ -215,7 +216,7 @@ func (this *AppCmd) runStop() {

 	// 从systemd中停止
 	if runtime.GOOS == "linux" {
-		systemctl, _ := exec.LookPath("systemctl")
+		systemctl, _ := executils.LookPath("systemctl")
 		if len(systemctl) > 0 {
 			go func() {
 				// 有可能会长时间执行，这里不阻塞进程
--- a/internal/caches/list_file.go
+++ b/internal/caches/list_file.go
@@ -11,7 +11,6 @@ import (
 	"github.com/TeaOSLab/EdgeNode/internal/utils/fnv"
 	"github.com/iwind/TeaGo/types"
 	"os"
-	"sync/atomic"
 	"time"
 )

@@ -21,7 +20,6 @@ const CountFileDB = 20
 type FileList struct {
 	dir    string
 	dbList [CountFileDB]*FileListDB
-	total  int64

 	onAdd    func(item *Item)
 	onRemove func(item *Item)
@@ -76,12 +74,6 @@ func (this *FileList) Init() error {
 		this.dbList[i] = db
 	}

-	// 读取总数量
-	this.total = 0
-	for _, db := range this.dbList {
-		this.total += db.total
-	}
-
 	// 升级老版本数据库
 	goman.New(func() {
 		this.upgradeOldDB()
@@ -102,13 +94,11 @@ func (this *FileList) Add(hash string, item *Item) error {
 		return nil
 	}

-	err := db.AddAsync(hash, item)
+	err := db.AddSync(hash, item)
 	if err != nil {
 		return err
 	}

-	atomic.AddInt64(&this.total, 1)
-
 	// 这里不增加点击量，以减少对数据库的操作次数

 	this.memoryCache.Write(hash, 1, item.ExpiredAt)
@@ -296,8 +286,6 @@ func (this *FileList) CleanAll() error {
 		}
 	}

-	atomic.StoreInt64(&this.total, 0)
-
 	return nil
 }

@@ -332,7 +320,15 @@ func (this *FileList) Stat(check func(hash string) bool) (*Stat, error) {
 // Count 总数量
 // 常用的方法，所以避免直接查询数据库
 func (this *FileList) Count() (int64, error) {
-	return atomic.LoadInt64(&this.total), nil
+	var total int64
+	for _, db := range this.dbList {
+		count, err := db.Total()
+		if err != nil {
+			return 0, err
+		}
+		total += count
+	}
+	return total, nil
 }

 // IncreaseHit 增加点击量
@@ -392,37 +388,19 @@ func (this *FileList) remove(hash string) (notFound bool, err error) {
 	// 从缓存中删除
 	this.memoryCache.Delete(hash)

-	var row = db.selectByHashStmt.QueryRow(hash)
-	if row.Err() != nil {
-		if row.Err() == sql.ErrNoRows {
-			return true, nil
-		}
-		return false, row.Err()
-	}
-
-	var item = &Item{Type: ItemTypeFile}
-	err = row.Scan(&item.Key, &item.HeaderSize, &item.BodySize, &item.MetaSize, &item.ExpiredAt)
-	if err != nil {
-		if err == sql.ErrNoRows {
-			return true, nil
-		}
-		return false, err
-	}
-
-	err = db.DeleteAsync(hash)
+	err = db.DeleteSync(hash)
 	if err != nil {
 		return false, db.WrapError(err)
 	}

-	atomic.AddInt64(&this.total, -1)
-
 	err = db.DeleteHitAsync(hash)
 	if err != nil {
 		return false, db.WrapError(err)
 	}

 	if this.onRemove != nil {
-		this.onRemove(item)
+		// when remove file item, no any extra information needed
+		this.onRemove(nil)
 	}

 	return false, nil
--- a/internal/caches/list_file_db.go
+++ b/internal/caches/list_file_db.go
@@ -35,8 +35,6 @@ type FileListDB struct {
 	itemsTableName string
 	hitsTableName  string

-	total int64
-
 	isClosed bool
 	isReady  bool

@@ -110,7 +108,7 @@ func (this *FileListDB) Open(dbPath string) error {
 		}
 	}

-	this.writeBatch = dbs.NewBatch(writeDB.RawDB(), 4)
+	this.writeBatch = dbs.NewBatch(writeDB, 4)
 	this.writeBatch.OnFail(func(err error) {
 		remotelogs.Warn("LIST_FILE_DB", "run batch failed: "+err.Error()+" ("+filepath.Base(this.dbPath)+")")
 	})
@@ -151,18 +149,6 @@ func (this *FileListDB) Init() error {
 		return errors.New("init tables failed: " + err.Error())
 	}

-	// 读取总数量
-	row := this.readDB.QueryRow(`SELECT COUNT(*) FROM "` + this.itemsTableName + `"`)
-	if row.Err() != nil {
-		return row.Err()
-	}
-	var total int64
-	err = row.Scan(&total)
-	if err != nil {
-		return err
-	}
-	this.total = total
-
 	// 常用语句
 	this.existsByHashStmt, err = this.readDB.Prepare(`SELECT "expiredAt" FROM "` + this.itemsTableName + `" INDEXED BY "hash" WHERE "hash"=? AND expiredAt>? LIMIT 1`)
 	if err != nil {
@@ -250,20 +236,15 @@ func (this *FileListDB) IsReady() bool {
 	return this.isReady
 }

-func (this *FileListDB) Total() int64 {
-	return this.total
-}
-
-func (this *FileListDB) AddAsync(hash string, item *Item) error {
-	this.hashMap.Add(hash)
-
-	if item.StaleAt == 0 {
-		item.StaleAt = item.ExpiredAt
+func (this *FileListDB) Total() (int64, error) {
+	// 读取总数量
+	var row = this.readDB.QueryRow(`SELECT COUNT(*) FROM "` + this.itemsTableName + `"`)
+	if row.Err() != nil {
+		return 0, row.Err()
 	}
-
-	this.writeBatch.Add(this.insertSQL, hash, item.Key, item.HeaderSize, item.BodySize, item.MetaSize, item.ExpiredAt, item.StaleAt, item.Host, item.ServerId, fasttime.Now().Unix(), timeutil.Format("YW"))
-	return nil
-
+	var total int64
+	err := row.Scan(&total)
+	return total, err
 }

 func (this *FileListDB) AddSync(hash string, item *Item) error {
@@ -281,13 +262,6 @@ func (this *FileListDB) AddSync(hash string, item *Item) error {
 	return nil
 }

-func (this *FileListDB) DeleteAsync(hash string) error {
-	this.hashMap.Delete(hash)
-
-	this.writeBatch.Add(this.deleteByHashSQL, hash)
-	return nil
-}
-
 func (this *FileListDB) DeleteSync(hash string) error {
 	this.hashMap.Delete(hash)

@@ -504,6 +478,10 @@ func (this *FileListDB) CleanAll() error {
 }

 func (this *FileListDB) Close() error {
+	if this.isClosed {
+		return nil
+	}
+
 	this.isClosed = true
 	this.isReady = false

@@ -535,10 +513,6 @@ func (this *FileListDB) Close() error {
 		_ = this.listOlderItemsStmt.Close()
 	}

-	if this.writeBatch != nil {
-		this.writeBatch.Close()
-	}
-
 	var errStrings []string

 	if this.readDB != nil {
--- a/internal/caches/manager.go
+++ b/internal/caches/manager.go
@@ -19,7 +19,7 @@ func init() {
 		return
 	}

-	events.On(events.EventQuit, func() {
+	events.OnClose(func() {
 		remotelogs.Println("CACHE", "quiting cache manager")
 		SharedManager.UpdatePolicies([]*serverconfigs.HTTPCachePolicy{})
 	})
--- a/internal/caches/manager_test.go
+++ b/internal/caches/manager_test.go
@@ -52,9 +52,8 @@ func TestManager_UpdatePolicies(t *testing.T) {
 				},
 			},
 			{
-				Id:      2,
-				Type:    serverconfigs.CachePolicyStorageFile,
-				MaxKeys: 1,
+				Id:   2,
+				Type: serverconfigs.CachePolicyStorageFile,
 				Options: map[string]interface{}{
 					"dir": Tea.Root + "/caches",
 				},
@@ -95,9 +94,9 @@ func TestManager_ChangePolicy_Memory(t *testing.T) {
 func TestManager_ChangePolicy_File(t *testing.T) {
 	var policies = []*serverconfigs.HTTPCachePolicy{
 		{
-			Id:       1,
-			Type:     serverconfigs.CachePolicyStorageFile,
-			Options:  map[string]interface{}{
+			Id:   1,
+			Type: serverconfigs.CachePolicyStorageFile,
+			Options: map[string]interface{}{
 				"dir": Tea.Root + "/data/cache-index/p1",
 			},
 			Capacity: &shared.SizeCapacity{Count: 1, Unit: shared.SizeCapacityUnitGB},
@@ -106,9 +105,9 @@ func TestManager_ChangePolicy_File(t *testing.T) {
 	SharedManager.UpdatePolicies(policies)
 	SharedManager.UpdatePolicies([]*serverconfigs.HTTPCachePolicy{
 		{
-			Id:       1,
-			Type:     serverconfigs.CachePolicyStorageFile,
-			Options:  map[string]interface{}{
+			Id:   1,
+			Type: serverconfigs.CachePolicyStorageFile,
+			Options: map[string]interface{}{
 				"dir": Tea.Root + "/data/cache-index/p1",
 			},
 			Capacity: &shared.SizeCapacity{Count: 2, Unit: shared.SizeCapacityUnitGB},
--- a/internal/caches/storage_file.go
+++ b/internal/caches/storage_file.go
@@ -14,6 +14,7 @@ import (
 	"github.com/TeaOSLab/EdgeNode/internal/remotelogs"
 	"github.com/TeaOSLab/EdgeNode/internal/trackers"
 	"github.com/TeaOSLab/EdgeNode/internal/utils"
+	fsutils "github.com/TeaOSLab/EdgeNode/internal/utils/fs"
 	setutils "github.com/TeaOSLab/EdgeNode/internal/utils/sets"
 	"github.com/TeaOSLab/EdgeNode/internal/utils/sizes"
 	"github.com/TeaOSLab/EdgeNode/internal/zero"
@@ -21,9 +22,6 @@ import (
 	"github.com/iwind/TeaGo/rands"
 	"github.com/iwind/TeaGo/types"
 	stringutil "github.com/iwind/TeaGo/utils/string"
-	"golang.org/x/sys/unix"
-	"golang.org/x/text/language"
-	"golang.org/x/text/message"
 	"math"
 	"os"
 	"path/filepath"
@@ -32,7 +30,6 @@ import (
 	"strconv"
 	"strings"
 	"sync"
-	"sync/atomic"
 	"syscall"
 	"time"
 )
@@ -53,12 +50,12 @@ const (
 )

 const (
-	FileStorageMaxIgnoreKeys       = 32768        // 最大可忽略的键值数（尺寸过大的键值）
-	HotItemSize                    = 1024         // 热点数据数量
-	HotItemLifeSeconds       int64 = 3600         // 热点数据生命周期
-	FileToMemoryMaxSize            = 32 * sizes.M // 可以从文件写入到内存的最大文件尺寸
-	FileTmpSuffix                  = ".tmp"
-	MinDiskSpace                   = 5 << 30 // 当前磁盘最小剩余空间
+	FileStorageMaxIgnoreKeys        = 32768        // 最大可忽略的键值数（尺寸过大的键值）
+	HotItemSize                     = 1024         // 热点数据数量
+	HotItemLifeSeconds       int64  = 3600         // 热点数据生命周期
+	FileToMemoryMaxSize             = 32 * sizes.M // 可以从文件写入到内存的最大文件尺寸
+	FileTmpSuffix                   = ".tmp"
+	MinDiskSpace             uint64 = 5 << 30 // 当前磁盘最小剩余空间
 )

 var sharedWritingFileKeyMap = map[string]zero.Zero{} // key => bool
@@ -77,7 +74,6 @@ type FileStorage struct {
 	policy        *serverconfigs.HTTPCachePolicy
 	options       *serverconfigs.HTTPFileCacheStorage // 二级缓存
 	memoryStorage *MemoryStorage                      // 一级缓存
-	totalSize     int64

 	list        ListInterface
 	locker      sync.RWMutex
@@ -92,7 +88,6 @@ type FileStorage struct {

 	openFileCache *OpenFileCache

-	mainDir        string
 	mainDiskIsFull bool

 	subDirs []*FileDir
@@ -255,19 +250,6 @@ func (this *FileStorage) Init() error {
 	}
 	list.(*FileList).SetOldDir(dir + "/p" + types.String(this.policy.Id))
 	this.list = list
-	stat, err := list.Stat(func(hash string) bool {
-		return true
-	})
-	if err != nil {
-		return err
-	}
-	this.totalSize = stat.Size
-	this.list.OnAdd(func(item *Item) {
-		atomic.AddInt64(&this.totalSize, item.TotalSize())
-	})
-	this.list.OnRemove(func(item *Item) {
-		atomic.AddInt64(&this.totalSize, -item.TotalSize())
-	})

 	// 检查目录是否存在
 	_, err = os.Stat(dir)
@@ -284,19 +266,17 @@ func (this *FileStorage) Init() error {

 	defer func() {
 		// 统计
-		var count = stat.Count
-		var size = stat.Size
-
+		var totalSize = this.TotalDiskSize()
 		var cost = time.Since(before).Seconds() * 1000
-		sizeMB := strconv.FormatInt(size, 10) + " Bytes"
-		if size > 1*sizes.G {
-			sizeMB = fmt.Sprintf("%.3f G", float64(size)/float64(sizes.G))
-		} else if size > 1*sizes.M {
-			sizeMB = fmt.Sprintf("%.3f M", float64(size)/float64(sizes.M))
-		} else if size > 1*sizes.K {
-			sizeMB = fmt.Sprintf("%.3f K", float64(size)/float64(sizes.K))
+		var sizeMB = types.String(totalSize) + " Bytes"
+		if totalSize > 1*sizes.G {
+			sizeMB = fmt.Sprintf("%.3f G", float64(totalSize)/float64(sizes.G))
+		} else if totalSize > 1*sizes.M {
+			sizeMB = fmt.Sprintf("%.3f M", float64(totalSize)/float64(sizes.M))
+		} else if totalSize > 1*sizes.K {
+			sizeMB = fmt.Sprintf("%.3f K", float64(totalSize)/float64(sizes.K))
 		}
-		remotelogs.Println("CACHE", "init policy "+strconv.FormatInt(this.policy.Id, 10)+" from '"+this.options.Dir+"', cost: "+fmt.Sprintf("%.2f", cost)+" ms, count: "+message.NewPrinter(language.English).Sprintf("%d", count)+", size: "+sizeMB)
+		remotelogs.Println("CACHE", "init policy "+types.String(this.policy.Id)+" from '"+this.options.Dir+"', cost: "+fmt.Sprintf("%.2f", cost)+" ms, size: "+sizeMB)
 	}()

 	// 初始化list
@@ -480,17 +460,10 @@ func (this *FileStorage) openWriter(key string, expiredAt int64, status int, hea
 		}
 	}()

-	// 检查是否超出最大值
-	count, err := this.list.Count()
-	if err != nil {
-		return nil, err
-	}
-	if this.policy.MaxKeys > 0 && count > this.policy.MaxKeys {
-		return nil, NewCapacityError("write file cache failed: too many keys in cache storage")
-	}
+	// 检查是否超出容量
 	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))
+	if capacityBytes > 0 && capacityBytes <= this.TotalDiskSize() {
+		return nil, NewCapacityError("write file cache failed: over disk size, current total size: " + types.String(this.TotalDiskSize()) + " bytes, capacity: " + types.String(capacityBytes))
 	}

 	var hash = stringutil.Md5(key)
@@ -924,7 +897,11 @@ func (this *FileStorage) Stop() {

 // TotalDiskSize 消耗的磁盘尺寸
 func (this *FileStorage) TotalDiskSize() int64 {
-	return atomic.LoadInt64(&this.totalSize)
+	stat, err := fsutils.StatCache(this.options.Dir)
+	if err == nil {
+		return int64(stat.UsedSize())
+	}
+	return 0
 }

 // TotalMemorySize 内存尺寸
@@ -1364,7 +1341,6 @@ func (this *FileStorage) createMemoryStorage() error {
 		Name:        this.policy.Name,
 		Description: this.policy.Description,
 		Capacity:    this.options.MemoryPolicy.Capacity,
-		MaxKeys:     this.policy.MaxKeys,
 		MaxSize:     &shared.SizeCapacity{Count: 128, Unit: shared.SizeCapacityUnitMB}, // TODO 将来可以修改
 		Type:        serverconfigs.CachePolicyStorageMemory,
 		Options:     this.policy.Options,
@@ -1440,20 +1416,16 @@ func (this *FileStorage) runMemoryStorageSafety(f func(memoryStorage *MemoryStor
 // 检查磁盘剩余空间
 func (this *FileStorage) checkDiskSpace() {
 	if this.options != nil && len(this.options.Dir) > 0 {
-		var stat unix.Statfs_t
-		err := unix.Statfs(this.options.Dir, &stat)
+		stat, err := fsutils.Stat(this.options.Dir)
 		if err == nil {
-			var availableBytes = stat.Bavail * uint64(stat.Bsize)
-			this.mainDiskIsFull = availableBytes < MinDiskSpace
+			this.mainDiskIsFull = stat.FreeSize() < MinDiskSpace
 		}
 	}
 	var subDirs = this.subDirs // copy slice
 	for _, subDir := range subDirs {
-		var stat unix.Statfs_t
-		err := unix.Statfs(subDir.Path, &stat)
+		stat, err := fsutils.Stat(subDir.Path)
 		if err == nil {
-			var availableBytes = stat.Bavail * uint64(stat.Bsize)
-			subDir.IsFull = availableBytes < MinDiskSpace
+			subDir.IsFull = stat.FreeSize() < MinDiskSpace
 		}
 	}
 }
--- a/internal/caches/storage_memory.go
+++ b/internal/caches/storage_memory.go
@@ -111,8 +111,15 @@ func (this *MemoryStorage) Init() error {

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

+	// check if exists in list
+	exists, _ := this.list.Exist(types.String(hash))
+	if !exists {
+		return nil, ErrNotFound
+	}
+
+	// read from valuesMap
 	this.locker.RLock()
 	item := this.valuesMap[hash]
 	if item == nil || !item.IsDone {
@@ -121,7 +128,7 @@ func (this *MemoryStorage) OpenReader(key string, useStale bool, isPartial bool)
 	}

 	if useStale || (item.ExpiresAt > fasttime.Now().Unix()) {
-		reader := NewMemoryReader(item)
+		var reader = NewMemoryReader(item)
 		err := reader.Init()
 		if err != nil {
 			this.locker.RUnlock()
@@ -193,20 +200,22 @@ func (this *MemoryStorage) openWriter(key string, expiresAt int64, status int, h
 	}()

 	// 检查是否过期
-	hash := this.hash(key)
+	var hash = this.hash(key)
 	item, ok := this.valuesMap[hash]
 	if ok && !item.IsExpired() {
-		return nil, ErrFileIsWriting
+		var hashString = types.String(hash)
+		exists, _ := this.list.Exist(hashString)
+		if !exists {
+			// remove from values map
+			delete(this.valuesMap, hash)
+			_ = this.list.Remove(hashString)
+			item = nil
+		} else {
+			return nil, ErrFileIsWriting
+		}
 	}

 	// 检查是否超出最大值
-	totalKeys, err := this.list.Count()
-	if err != nil {
-		return nil, err
-	}
-	if this.policy.MaxKeys > 0 && totalKeys > this.policy.MaxKeys {
-		return nil, NewCapacityError("write memory cache failed: too many keys in cache storage")
-	}
 	capacityBytes := this.memoryCapacityBytes()
 	if bodySize < 0 {
 		bodySize = 0
@@ -216,7 +225,7 @@ func (this *MemoryStorage) openWriter(key string, expiresAt int64, status int, h
 	}

 	// 先删除
-	err = this.deleteWithoutLocker(key)
+	err := this.deleteWithoutLocker(key)
 	if err != nil {
 		return nil, err
 	}
--- a/internal/const/const.go
+++ b/internal/const/const.go
@@ -1,7 +1,7 @@
 package teaconst

 const (
-	Version = "1.2.0"
+	Version = "1.2.1"

 	ProductName = "Edge Node"
 	ProcessName = "edge-node"
--- a/internal/events/utils.go
+++ b/internal/events/utils.go
@@ -24,6 +24,11 @@ func On(event Event, callback func()) {
 	OnKey(event, nil, callback)
 }

+func OnClose(callback func()) {
+	On(EventQuit, callback)
+	On(EventTerminated, callback)
+}
+
 // OnKey 使用Key增加事件回调
 func OnKey(event Event, key interface{}, callback func()) {
 	if key == nil {
--- a/internal/firewalls/firewall_firewalld.go
+++ b/internal/firewalls/firewall_firewalld.go
@@ -9,7 +9,6 @@ import (
 	"github.com/TeaOSLab/EdgeNode/internal/remotelogs"
 	executils "github.com/TeaOSLab/EdgeNode/internal/utils/exec"
 	"github.com/iwind/TeaGo/types"
-	"os/exec"
 	"strings"
 	"time"
 )
@@ -32,7 +31,7 @@ func NewFirewalld() *Firewalld {
 		cmdQueue: make(chan *firewalldCmd, 4096),
 	}

-	path, err := exec.LookPath("firewall-cmd")
+	path, err := executils.LookPath("firewall-cmd")
 	if err == nil && len(path) > 0 {
 		var cmd = executils.NewTimeoutCmd(3*time.Second, path, "--state")
 		err := cmd.Run()
--- a/internal/firewalls/nftables/conn_test.go
+++ b/internal/firewalls/nftables/conn_test.go
@@ -6,12 +6,13 @@ package nftables_test

 import (
 	"github.com/TeaOSLab/EdgeNode/internal/firewalls/nftables"
+	executils "github.com/TeaOSLab/EdgeNode/internal/utils/exec"
 	"os/exec"
 	"testing"
 )

 func TestConn_Test(t *testing.T) {
-	_, err := exec.LookPath("nft")
+	_, err := executils.LookPath("nft")
 	if err == nil {
 		t.Log("ok")
 		return
--- a/internal/firewalls/nftables/installer.go
+++ b/internal/firewalls/nftables/installer.go
@@ -13,7 +13,6 @@ import (
 	executils "github.com/TeaOSLab/EdgeNode/internal/utils/exec"
 	"github.com/iwind/TeaGo/logs"
 	"os"
-	"os/exec"
 	"runtime"
 	"time"
 )
@@ -55,7 +54,7 @@ func init() {

 // NftExePath 查找nftables可执行文件路径
 func NftExePath() string {
-	path, _ := exec.LookPath("nft")
+	path, _ := executils.LookPath("nft")
 	if len(path) > 0 {
 		return path
 	}
@@ -93,14 +92,14 @@ func (this *Installer) Install() error {
 	var cmd *executils.Cmd

 	// check dnf
-	dnfExe, err := exec.LookPath("dnf")
+	dnfExe, err := executils.LookPath("dnf")
 	if err == nil {
 		cmd = executils.NewCmd(dnfExe, "-y", "install", "nftables")
 	}

 	// check apt
 	if cmd == nil {
-		aptExe, err := exec.LookPath("apt")
+		aptExe, err := executils.LookPath("apt")
 		if err == nil {
 			cmd = executils.NewCmd(aptExe, "install", "nftables")
 		}
@@ -108,7 +107,7 @@ func (this *Installer) Install() error {

 	// check yum
 	if cmd == nil {
-		yumExe, err := exec.LookPath("yum")
+		yumExe, err := executils.LookPath("yum")
 		if err == nil {
 			cmd = executils.NewCmd(yumExe, "-y", "install", "nftables")
 		}
--- a/internal/iplibrary/action_firewalld.go
+++ b/internal/iplibrary/action_firewalld.go
@@ -6,7 +6,6 @@ import (
 	"github.com/TeaOSLab/EdgeCommon/pkg/rpc/pb"
 	"github.com/TeaOSLab/EdgeCommon/pkg/serverconfigs/firewallconfigs"
 	executils "github.com/TeaOSLab/EdgeNode/internal/utils/exec"
-	"os/exec"
 	"runtime"
 	"time"
 )
@@ -82,7 +81,7 @@ func (this *FirewalldAction) runActionSingleIP(action string, listType IPListTyp
 	path := this.config.Path
 	var err error
 	if len(path) == 0 {
-		path, err = exec.LookPath("firewall-cmd")
+		path, err = executils.LookPath("firewall-cmd")
 		if err != nil {
 			if this.firewalldNotFound {
 				return nil
--- a/internal/iplibrary/action_ipset.go
+++ b/internal/iplibrary/action_ipset.go
@@ -6,7 +6,6 @@ import (
 	"github.com/TeaOSLab/EdgeCommon/pkg/serverconfigs/firewallconfigs"
 	executils "github.com/TeaOSLab/EdgeNode/internal/utils/exec"
 	"github.com/iwind/TeaGo/types"
-	"os/exec"
 	"runtime"
 	"strconv"
 	"strings"
@@ -55,7 +54,7 @@ func (this *IPSetAction) Init(config *firewallconfigs.FirewallActionConfig) erro

 	// 创建ipset
 	{
-		path, err := exec.LookPath("ipset")
+		path, err := executils.LookPath("ipset")
 		if err != nil {
 			return err
 		}
@@ -99,7 +98,7 @@ func (this *IPSetAction) Init(config *firewallconfigs.FirewallActionConfig) erro

 	// firewalld
 	if this.config.AutoAddToFirewalld {
-		path, err := exec.LookPath("firewall-cmd")
+		path, err := executils.LookPath("firewall-cmd")
 		if err != nil {
 			return err
 		}
@@ -179,7 +178,7 @@ func (this *IPSetAction) Init(config *firewallconfigs.FirewallActionConfig) erro

 	// iptables
 	if this.config.AutoAddToIPTables {
-		path, err := exec.LookPath("iptables")
+		path, err := executils.LookPath("iptables")
 		if err != nil {
 			return err
 		}
@@ -311,7 +310,7 @@ func (this *IPSetAction) runActionSingleIP(action string, listType IPListType, i
 	var path = this.config.Path
 	var err error
 	if len(path) == 0 {
-		path, err = exec.LookPath("ipset")
+		path, err = executils.LookPath("ipset")
 		if err != nil {
 			// 找不到ipset命令错误只提示一次
 			if this.ipsetNotfound {
--- a/internal/iplibrary/action_iptables.go
+++ b/internal/iplibrary/action_iptables.go
@@ -6,7 +6,6 @@ import (
 	"github.com/TeaOSLab/EdgeCommon/pkg/serverconfigs/firewallconfigs"
 	"github.com/TeaOSLab/EdgeNode/internal/utils"
 	executils "github.com/TeaOSLab/EdgeNode/internal/utils/exec"
-	"os/exec"
 	"runtime"
 	"strings"
 	"time"
@@ -87,7 +86,7 @@ func (this *IPTablesAction) runActionSingleIP(action string, listType IPListType
 	var path = this.config.Path
 	var err error
 	if len(path) == 0 {
-		path, err = exec.LookPath("iptables")
+		path, err = executils.LookPath("iptables")
 		if err != nil {
 			if this.iptablesNotFound {
 				return nil
--- a/internal/iplibrary/ip_list_db.go
+++ b/internal/iplibrary/ip_list_db.go
@@ -161,7 +161,7 @@ ON "` + this.itemTableName + `" (
 	this.db = db

 	goman.New(func() {
-		events.On(events.EventQuit, func() {
+		events.OnClose(func() {
 			_ = this.Close()
 			this.cleanTicker.Stop()
 		})
--- a/internal/iplibrary/manager_ip_list.go
+++ b/internal/iplibrary/manager_ip_list.go
@@ -29,7 +29,7 @@ func init() {
 			SharedIPListManager.Start()
 		})
 	})
-	events.On(events.EventQuit, func() {
+	events.OnClose(func() {
 		SharedIPListManager.Stop()
 	})

--- a/internal/metrics/manager.go
+++ b/internal/metrics/manager.go
@@ -18,7 +18,7 @@ func init() {
 		return
 	}

-	events.On(events.EventQuit, func() {
+	events.OnClose(func() {
 		SharedManager.Quit()
 	})
 }
--- a/internal/nodes/api_stream.go
+++ b/internal/nodes/api_stream.go
@@ -20,7 +20,6 @@ import (
 	"github.com/iwind/TeaGo/Tea"
 	"github.com/iwind/TeaGo/maps"
 	"net/url"
-	"os/exec"
 	"regexp"
 	"runtime"
 	"strconv"
@@ -336,7 +335,7 @@ func (this *APIStream) handleNewNodeTask(message *pb.NodeStreamMessage) error {

 // 检查Systemd服务
 func (this *APIStream) handleCheckSystemdService(message *pb.NodeStreamMessage) error {
-	systemctl, err := exec.LookPath("systemctl")
+	systemctl, err := executils.LookPath("systemctl")
 	if err != nil {
 		this.replyFail(message.RequestId, "'systemctl' not found")
 		return nil
@@ -378,7 +377,7 @@ func (this *APIStream) handleCheckLocalFirewall(message *pb.NodeStreamMessage) e
 			return nil
 		}

-		nft, err := exec.LookPath("nft")
+		nft, err := executils.LookPath("nft")
 		if err != nil {
 			this.replyFail(message.RequestId, "'nft' not found: "+err.Error())
 			return nil
--- a/internal/nodes/client_conn.go
+++ b/internal/nodes/client_conn.go
@@ -10,9 +10,9 @@ import (
 	teaconst "github.com/TeaOSLab/EdgeNode/internal/const"
 	"github.com/TeaOSLab/EdgeNode/internal/iplibrary"
 	"github.com/TeaOSLab/EdgeNode/internal/stats"
-	"github.com/TeaOSLab/EdgeNode/internal/ttlcache"
 	"github.com/TeaOSLab/EdgeNode/internal/utils"
 	connutils "github.com/TeaOSLab/EdgeNode/internal/utils/conns"
+	"github.com/TeaOSLab/EdgeNode/internal/utils/counters"
 	"github.com/TeaOSLab/EdgeNode/internal/utils/fasttime"
 	"github.com/TeaOSLab/EdgeNode/internal/waf"
 	"github.com/iwind/TeaGo/Tea"
@@ -24,6 +24,8 @@ import (
 	"time"
 )

+var synFloodCounter = counters.NewCounter().WithGC()
+
 // ClientConn 客户端连接
 type ClientConn struct {
 	BaseClientConn
@@ -289,14 +291,13 @@ func (this *ClientConn) LastErr() error {
 }

 func (this *ClientConn) resetSYNFlood() {
-	ttlcache.SharedCache.Delete("SYN_FLOOD:" + this.RawIP())
+	synFloodCounter.ResetKey("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 = fasttime.Now().UnixNextMinute()
-		var result = ttlcache.SharedCache.IncreaseInt64("SYN_FLOOD:"+ip, 1, timestamp, true)
+		var result = synFloodCounter.IncreaseKey("SYN_FLOOD:"+ip, 60)
 		var minAttempts = synFloodConfig.MinAttempts
 		if minAttempts < 5 {
 			minAttempts = 5
@@ -305,7 +306,7 @@ func (this *ClientConn) increaseSYNFlood(synFloodConfig *firewallconfigs.SYNFloo
 			// 非TLS，设置为两倍，防止误封
 			minAttempts = 2 * minAttempts
 		}
-		if result >= int64(minAttempts) {
+		if result >= types.Uint64(minAttempts) {
 			var timeout = synFloodConfig.TimeoutSeconds
 			if timeout <= 0 {
 				timeout = 600
--- a/internal/nodes/client_conn_base.go
+++ b/internal/nodes/client_conn_base.go
@@ -7,6 +7,7 @@ import (
 	"github.com/TeaOSLab/EdgeNode/internal/firewalls"
 	"github.com/TeaOSLab/EdgeNode/internal/iplibrary"
 	"net"
+	"time"
 )

 type BaseClientConn struct {
@@ -146,6 +147,8 @@ func (this *BaseClientConn) SetLinger(seconds int) error {

 func (this *BaseClientConn) SetIsPersistent(isPersistent bool) {
 	this.isPersistent = isPersistent
+
+	_ = this.rawConn.SetDeadline(time.Time{})
 }

 // SetFingerprint 设置指纹信息
--- a/internal/nodes/http_client_pool.go
+++ b/internal/nodes/http_client_pool.go
@@ -8,6 +8,7 @@ import (
 	"github.com/TeaOSLab/EdgeNode/internal/goman"
 	"github.com/TeaOSLab/EdgeNode/internal/remotelogs"
 	"github.com/pires/go-proxyproto"
+	"golang.org/x/net/http2"
 	"net"
 	"net/http"
 	"runtime"
@@ -166,6 +167,11 @@ func (this *HTTPClientPool) Client(req *HTTPRequest,
 		},
 	}

+	// support http/2
+	if origin.HTTP2Enabled && origin.Addr != nil && origin.Addr.Protocol == serverconfigs.ProtocolHTTPS {
+		_ = http2.ConfigureTransport(transport.Transport)
+	}
+
 	rawClient = &http.Client{
 		Timeout:   readTimeout,
 		Transport: transport,
--- a/internal/nodes/http_request.go
+++ b/internal/nodes/http_request.go
@@ -509,6 +509,11 @@ func (this *HTTPRequest) configureWeb(web *serverconfigs.HTTPWebConfig, isTop bo
 		this.web.Compression = web.Compression
 	}

+	// optimizer
+	if web.Optimization != nil && (web.Optimization.IsPrior || (isTop && web.Optimization.IsOn())) {
+		this.web.Optimization = web.Optimization
+	}
+
 	// webp
 	if web.WebP != nil && (web.WebP.IsPrior || isTop) {
 		this.web.WebP = web.WebP
@@ -1712,6 +1717,11 @@ func (this *HTTPRequest) fixRequestHeader(header http.Header) {

 // ProcessResponseHeaders 处理自定义Response Header
 func (this *HTTPRequest) ProcessResponseHeaders(responseHeader http.Header, statusCode int) {
+	// Server Name
+	if this.nodeConfig != nil && this.nodeConfig.GlobalServerConfig != nil && len(this.nodeConfig.GlobalServerConfig.HTTPAll.ServerName) > 0 {
+		responseHeader.Set("Server", this.nodeConfig.GlobalServerConfig.HTTPAll.ServerName)
+	}
+
 	// 删除/添加/替换Header
 	// TODO 实现AddTrailers
 	if this.web.ResponseHeaderPolicy != nil && this.web.ResponseHeaderPolicy.IsOn {
--- a/internal/nodes/http_request_log.go
+++ b/internal/nodes/http_request_log.go
@@ -14,6 +14,11 @@ const (

 // 日志
 func (this *HTTPRequest) log() {
+	// 检查全局配置
+	if this.nodeConfig != nil && this.nodeConfig.GlobalServerConfig != nil && !this.nodeConfig.GlobalServerConfig.HTTPAccessLog.IsOn {
+		return
+	}
+
 	var ref *serverconfigs.HTTPAccessLogRef
 	if !this.forceLog {
 		if this.disableLog {
--- a/internal/nodes/http_request_oss.go
+++ b/internal/nodes/http_request_oss.go
@@ -9,7 +9,7 @@ import (
 	"net/http"
 )

-func (this *HTTPRequest) doOSSOrigin(origin *serverconfigs.OriginConfig) (resp *http.Response, goNext bool, errorCode string, err error) {
+func (this *HTTPRequest) doOSSOrigin(origin *serverconfigs.OriginConfig) (resp *http.Response, goNext bool, errorCode string, ossBucketName string, err error) {
 	// stub
-	return nil, false, "", errors.New("not implemented")
+	return nil, false, "", "", errors.New("not implemented")
 }
--- a/internal/nodes/http_request_page.go
+++ b/internal/nodes/http_request_page.go
@@ -6,9 +6,10 @@ import (
 	"github.com/TeaOSLab/EdgeNode/internal/remotelogs"
 	"github.com/TeaOSLab/EdgeNode/internal/utils"
 	"github.com/iwind/TeaGo/Tea"
-	"github.com/iwind/TeaGo/logs"
 	"net/http"
 	"os"
+	"path"
+	"strings"
 )

 // 请求特殊页面
@@ -54,30 +55,30 @@ func (this *HTTPRequest) doPageLookup(pages []*serverconfigs.HTTPPageConfig, sta
 					this.doURL(http.MethodGet, page.URL, "", newStatus, true)
 					return true
 				} else {
-					file := Tea.Root + Tea.DS + page.URL
-					fp, err := os.Open(file)
-					if err != nil {
-						logs.Error(err)
-						msg := "404 page not found: '" + page.URL + "'"
-
+					var realpath = path.Clean(page.URL)
+					if !strings.HasPrefix(realpath, "/pages/") && !strings.HasPrefix(realpath, "pages/") { // only files under "/pages/" can be used
+						var msg = "404 page not found: '" + page.URL + "'"
 						this.writer.WriteHeader(http.StatusNotFound)
-						_, err := this.writer.Write([]byte(msg))
-						if err != nil {
-							logs.Error(err)
-						}
+						_, _ = this.writer.Write([]byte(msg))
 						return true
 					}
+					var file = Tea.Root + Tea.DS + realpath
+					fp, err := os.Open(file)
+					if err != nil {
+						var msg = "404 page not found: '" + page.URL + "'"
+						this.writer.WriteHeader(http.StatusNotFound)
+						_, _ = this.writer.Write([]byte(msg))
+						return true
+					}
+					defer func() {
+						_ = fp.Close()
+					}()

 					stat, err := fp.Stat()
 					if err != nil {
-						logs.Error(err)
-						msg := "404 could not read page content: '" + page.URL + "'"
-
+						var msg = "404 could not read page content: '" + page.URL + "'"
 						this.writer.WriteHeader(http.StatusNotFound)
-						_, err := this.writer.Write([]byte(msg))
-						if err != nil {
-							logs.Error(err)
-						}
+						_, _ = this.writer.Write([]byte(msg))
 						return true
 					}

@@ -92,7 +93,7 @@ func (this *HTTPRequest) doPageLookup(pages []*serverconfigs.HTTPPageConfig, sta
 						this.writer.Prepare(nil, stat.Size(), status, true)
 						this.writer.WriteHeader(status)
 					}
-					buf := utils.BytePool1k.Get()
+					var buf = utils.BytePool1k.Get()
 					_, err = utils.CopyWithFilter(this.writer, fp, buf, func(p []byte) []byte {
 						return []byte(this.Format(string(p)))
 					})
@@ -104,10 +105,6 @@ func (this *HTTPRequest) doPageLookup(pages []*serverconfigs.HTTPPageConfig, sta
 					} else {
 						this.writer.SetOk()
 					}
-					err = fp.Close()
-					if err != nil {
-						logs.Error(err)
-					}
 				}

 				return true
--- a/internal/nodes/http_request_reverse_proxy.go
+++ b/internal/nodes/http_request_reverse_proxy.go
@@ -286,7 +286,7 @@ func (this *HTTPRequest) doOriginRequest(failedOriginIds []int64, failedLnNodeId
 		resp, requestErr = client.Do(this.RawReq)
 	} else if origin.OSS != nil { // OSS源站
 		var goNext bool
-		resp, goNext, requestErrCode, requestErr = this.doOSSOrigin(origin)
+		resp, goNext, requestErrCode, _, requestErr = this.doOSSOrigin(origin)
 		if requestErr == nil {
 			if resp == nil || !goNext {
 				return
@@ -412,6 +412,15 @@ func (this *HTTPRequest) doOriginRequest(failedOriginIds []int64, failedLnNodeId
 		return
 	}

+	// Page optimization
+	if this.web.Optimization != nil && resp.Body != nil && this.cacheRef != nil /** must under cache **/ {
+		err := this.web.Optimization.FilterResponse(resp)
+		if err != nil {
+			this.write50x(err, http.StatusBadGateway, "Page Optimization: Fail to read content from origin", "内容优化：从源站读取内容失败", false)
+			return
+		}
+	}
+
 	// 设置Charset
 	// TODO 这里应该可以设置文本类型的列表，以及是否强制覆盖所有文本类型的字符集
 	if this.web.Charset != nil && this.web.Charset.IsOn && len(this.web.Charset.Charset) > 0 {
@@ -461,7 +470,19 @@ func (this *HTTPRequest) doOriginRequest(failedOriginIds []int64, failedLnNodeId
 	this.ProcessResponseHeaders(this.writer.Header(), resp.StatusCode)

 	// 是否需要刷新
-	var shouldAutoFlush = this.reverseProxy.AutoFlush || this.RawReq.Header.Get("Accept") == "text/event-stream"
+	var shouldAutoFlush = this.reverseProxy.AutoFlush || (resp.Header != nil && strings.Contains(resp.Header.Get("Content-Type"), "stream"))
+
+	// 设置当前连接为Persistence
+	if shouldAutoFlush && this.nodeConfig != nil && this.nodeConfig.HasConnTimeoutSettings() {
+		var requestConn = this.RawReq.Context().Value(HTTPConnContextKey)
+		if requestConn == nil {
+			return
+		}
+		requestClientConn, ok := requestConn.(ClientConnInterface)
+		if ok {
+			requestClientConn.SetIsPersistent(true)
+		}
+	}

 	// 准备
 	var delayHeaders = this.writer.Prepare(resp, resp.ContentLength, resp.StatusCode, true)
--- a/internal/nodes/http_request_shutdown.go
+++ b/internal/nodes/http_request_shutdown.go
@@ -5,14 +5,15 @@ import (
 	"github.com/TeaOSLab/EdgeNode/internal/remotelogs"
 	"github.com/TeaOSLab/EdgeNode/internal/utils"
 	"github.com/iwind/TeaGo/Tea"
-	"github.com/iwind/TeaGo/logs"
 	"net/http"
 	"os"
+	"path"
+	"strings"
 )

 // 调用临时关闭页面
 func (this *HTTPRequest) doShutdown() {
-	shutdown := this.web.Shutdown
+	var shutdown = this.web.Shutdown
 	if shutdown == nil {
 		return
 	}
@@ -34,28 +35,30 @@ func (this *HTTPRequest) doShutdown() {
 				this.ProcessResponseHeaders(this.writer.Header(), http.StatusOK)
 				this.writer.WriteHeader(http.StatusOK)
 			}
-			_, err := this.writer.WriteString("The site have been shutdown.")
-			if err != nil {
-				logs.Error(err)
-			}
-
+			_, _ = this.writer.WriteString("The site have been shutdown.")
 			return
 		}

 		// 从本地文件中读取
-		file := Tea.Root + Tea.DS + shutdown.URL
-		fp, err := os.Open(file)
-		if err != nil {
-			logs.Error(err)
-			msg := "404 page not found: '" + shutdown.URL + "'"
-
+		var realpath = path.Clean(shutdown.URL)
+		if !strings.HasPrefix(realpath, "/pages/") && !strings.HasPrefix(realpath, "pages/") { // only files under "/pages/" can be used
+			var msg = "404 page not found: '" + shutdown.URL + "'"
 			this.writer.WriteHeader(http.StatusNotFound)
-			_, err = this.writer.Write([]byte(msg))
-			if err != nil {
-				logs.Error(err)
-			}
+			_, _ = this.writer.Write([]byte(msg))
 			return
 		}
+		var file = Tea.Root + Tea.DS + shutdown.URL
+		fp, err := os.Open(file)
+		if err != nil {
+			var msg = "404 page not found: '" + shutdown.URL + "'"
+			this.writer.WriteHeader(http.StatusNotFound)
+			_, _ = this.writer.Write([]byte(msg))
+			return
+		}
+
+		defer func() {
+			_ = fp.Close()
+		}()

 		// 自定义响应Headers
 		if shutdown.Status > 0 {
@@ -65,7 +68,7 @@ func (this *HTTPRequest) doShutdown() {
 			this.ProcessResponseHeaders(this.writer.Header(), http.StatusOK)
 			this.writer.WriteHeader(http.StatusOK)
 		}
-		buf := utils.BytePool1k.Get()
+		var buf = utils.BytePool1k.Get()
 		_, err = utils.CopyWithFilter(this.writer, fp, buf, func(p []byte) []byte {
 			return []byte(this.Format(string(p)))
 		})
@@ -77,11 +80,6 @@ func (this *HTTPRequest) doShutdown() {
 		} else {
 			this.writer.SetOk()
 		}
-
-		err = fp.Close()
-		if err != nil {
-			remotelogs.Warn("HTTP_REQUEST_SHUTDOWN", "close file failed: "+err.Error())
-		}
 	} else if shutdown.BodyType == shared.BodyTypeHTML {
 		// 自定义响应Headers
 		if shutdown.Status > 0 {
--- a/internal/nodes/http_request_url.go
+++ b/internal/nodes/http_request_url.go
@@ -67,8 +67,8 @@ func (this *HTTPRequest) doURL(method string, url string, host string, statusCod
 	}

 	// 输出内容
-	pool := this.bytePool(resp.ContentLength)
-	buf := pool.Get()
+	var pool = this.bytePool(resp.ContentLength)
+	var buf = pool.Get()
 	if supportVariables {
 		_, err = utils.CopyWithFilter(this.writer, resp.Body, buf, func(p []byte) []byte {
 			return []byte(this.Format(string(p)))
--- a/internal/nodes/http_request_waf.go
+++ b/internal/nodes/http_request_waf.go
@@ -9,10 +9,10 @@ import (
 	"github.com/TeaOSLab/EdgeNode/internal/stats"
 	"github.com/TeaOSLab/EdgeNode/internal/waf"
 	"github.com/iwind/TeaGo/Tea"
-	"github.com/iwind/TeaGo/lists"
 	"github.com/iwind/TeaGo/types"
 	"io"
 	"net/http"
+	"time"
 )

 // 调用WAF
@@ -171,13 +171,20 @@ func (this *HTTPRequest) checkWAFRequest(firewallPolicy *firewallconfigs.HTTPFir
 						var currentURL = this.URL()
 						if regionConfig.MatchCountryURL(currentURL) {
 							// 检查国家/地区级别封禁
-							var countryId = result.CountryId()
-							if countryId > 0 && lists.ContainsInt64(regionConfig.DenyCountryIds, countryId) {
+							if !regionConfig.IsAllowedCountry(result.CountryId(), result.ProvinceId()) {
 								this.firewallPolicyId = firewallPolicy.Id

-								this.writeCode(http.StatusForbidden, "The region has been denied.", "当前区域禁止访问")
-								this.writer.Flush()
-								this.writer.Close()
+								if len(regionConfig.CountryHTML) > 0 {
+									this.writer.Header().Set("Content-Type", "text/html; charset=utf-8")
+									this.writer.Header().Set("Content-Length", types.String(len(regionConfig.CountryHTML)))
+									this.writer.WriteHeader(http.StatusForbidden)
+									_, _ = this.writer.Write([]byte(regionConfig.CountryHTML))
+								} else {
+									this.writeCode(http.StatusForbidden, "The region has been denied.", "当前区域禁止访问")
+								}
+
+								// 延时返回，避免攻击
+								time.Sleep(1 * time.Second)

 								// 停止日志
 								if !logDenying {
@@ -192,13 +199,20 @@ func (this *HTTPRequest) checkWAFRequest(firewallPolicy *firewallconfigs.HTTPFir

 						if regionConfig.MatchProvinceURL(currentURL) {
 							// 检查省份封禁
-							var provinceId = result.ProvinceId()
-							if provinceId > 0 && lists.ContainsInt64(regionConfig.DenyProvinceIds, provinceId) {
+							if !regionConfig.IsAllowedProvince(result.CountryId(), result.ProvinceId()) {
 								this.firewallPolicyId = firewallPolicy.Id

-								this.writeCode(http.StatusForbidden, "The region has been denied.", "当前区域禁止访问")
-								this.writer.Flush()
-								this.writer.Close()
+								if len(regionConfig.ProvinceHTML) > 0 {
+									this.writer.Header().Set("Content-Type", "text/html; charset=utf-8")
+									this.writer.Header().Set("Content-Length", types.String(len(regionConfig.ProvinceHTML)))
+									this.writer.WriteHeader(http.StatusForbidden)
+									_, _ = this.writer.Write([]byte(regionConfig.ProvinceHTML))
+								} else {
+									this.writeCode(http.StatusForbidden, "The region has been denied.", "当前区域禁止访问")
+								}
+
+								// 延时返回，避免攻击
+								time.Sleep(1 * time.Second)

 								// 停止日志
 								if !logDenying {
--- a/internal/nodes/http_writer.go
+++ b/internal/nodes/http_writer.go
@@ -786,12 +786,18 @@ func (this *HTTPWriter) AddHeaders(header http.Header) {
 	if this.rawWriter == nil {
 		return
 	}
+	var newHeaders = this.rawWriter.Header()
 	for key, value := range header {
 		if key == "Connection" {
 			continue
 		}
-		for _, v := range value {
-			this.rawWriter.Header().Add(key, v)
+		switch key {
+		case "ETag":
+			newHeaders[key] = value
+		default:
+			for _, v := range value {
+				newHeaders.Add(key, v)
+			}
 		}
 	}
 }
--- a/internal/nodes/listener_manager.go
+++ b/internal/nodes/listener_manager.go
@@ -15,7 +15,6 @@ import (
 	"github.com/iwind/TeaGo/maps"
 	"github.com/iwind/TeaGo/types"
 	"net/url"
-	"os/exec"
 	"regexp"
 	"runtime"
 	"sort"
@@ -213,7 +212,7 @@ func (this *ListenerManager) findProcessNameWithPort(isUdp bool, port string) st
 		return ""
 	}

-	path, err := exec.LookPath("ss")
+	path, err := executils.LookPath("ss")
 	if err != nil {
 		return ""
 	}
--- a/internal/nodes/node_status_executor.go
+++ b/internal/nodes/node_status_executor.go
@@ -13,12 +13,12 @@ import (
 	"github.com/TeaOSLab/EdgeNode/internal/rpc"
 	"github.com/TeaOSLab/EdgeNode/internal/trackers"
 	"github.com/TeaOSLab/EdgeNode/internal/utils"
+	fsutils "github.com/TeaOSLab/EdgeNode/internal/utils/fs"
 	"github.com/iwind/TeaGo/lists"
 	"github.com/iwind/TeaGo/maps"
 	"github.com/shirou/gopsutil/v3/cpu"
 	"github.com/shirou/gopsutil/v3/disk"
 	"github.com/shirou/gopsutil/v3/net"
-	"golang.org/x/sys/unix"
 	"math"
 	"os"
 	"runtime"
@@ -279,16 +279,15 @@ func (this *NodeStatusExecutor) updateCacheSpace(status *nodeconfigs.NodeStatus)
 	var result = []maps.Map{}
 	var cachePaths = caches.SharedManager.FindAllCachePaths()
 	for _, path := range cachePaths {
-		var stat unix.Statfs_t
-		err := unix.Statfs(path, &stat)
+		stat, err := fsutils.Stat(path)
 		if err != nil {
 			return
 		}
 		result = append(result, maps.Map{
 			"path":  path,
-			"total": stat.Blocks * uint64(stat.Bsize),
-			"avail": stat.Bavail * uint64(stat.Bsize),
-			"used":  (stat.Blocks - stat.Bavail) * uint64(stat.Bsize),
+			"total": stat.TotalSize(),
+			"avail": stat.FreeSize(),
+			"used":  stat.UsedSize(),
 		})
 	}
 	monitor.SharedValueQueue.Add(nodeconfigs.NodeValueItemCacheDir, maps.Map{
--- a/internal/nodes/node_tasks.go
+++ b/internal/nodes/node_tasks.go
@@ -197,7 +197,7 @@ func (this *Node) execGlobalServerConfigChangedTask(rpcClient *rpc.RPCClient) er
 		return err
 	}
 	if len(resp.GlobalServerConfigJSON) > 0 {
-		var globalServerConfig = serverconfigs.DefaultGlobalServerConfig()
+		var globalServerConfig = serverconfigs.NewGlobalServerConfig()
 		err = json.Unmarshal(resp.GlobalServerConfigJSON, globalServerConfig)
 		if err != nil {
 			return errors.New("decode global server config failed: " + err.Error())
--- a/internal/nodes/system_services.go
+++ b/internal/nodes/system_services.go
@@ -13,7 +13,6 @@ import (
 	executils "github.com/TeaOSLab/EdgeNode/internal/utils/exec"
 	"github.com/iwind/TeaGo/maps"
 	"os"
-	"os/exec"
 	"runtime"
 	"time"
 )
@@ -84,7 +83,7 @@ func (this *SystemServiceManager) setupSystemd(params maps.Map) error {
 	}

 	// 检查当前的service
-	systemctl, err := exec.LookPath("systemctl")
+	systemctl, err := executils.LookPath("systemctl")
 	if err != nil {
 		return err
 	}
--- a/internal/nodes/task_ocsp_update.go
+++ b/internal/nodes/task_ocsp_update.go
@@ -27,10 +27,9 @@ func init() {
 			sharedOCSPTask.Start()
 		})
 	})
-	events.On(events.EventQuit, func() {
+	events.OnClose(func() {
 		sharedOCSPTask.Stop()
 	})
-
 }

 // OCSPUpdateTask 更新OCSP任务
--- a/internal/nodes/task_sync_api_nodes.go
+++ b/internal/nodes/task_sync_api_nodes.go
@@ -26,7 +26,7 @@ func init() {
 			sharedSyncAPINodesTask.Start()
 		})
 	})
-	events.On(events.EventQuit, func() {
+	events.OnClose(func() {
 		sharedSyncAPINodesTask.Stop()
 	})
 }
--- a/internal/stats/bandwidth_stat_manager.go
+++ b/internal/stats/bandwidth_stat_manager.go
@@ -36,7 +36,7 @@ func init() {
 		})
 	})

-	events.On(events.EventQuit, func() {
+	events.OnClose(func() {
 		SharedBandwidthStatManager.Cancel()

 		err := SharedBandwidthStatManager.Save()
@@ -74,15 +74,12 @@ type BandwidthStatManager struct {

 	ticker *time.Ticker
 	locker sync.Mutex
-
-	cacheFile string // 上一次的缓存文件
 }

 func NewBandwidthStatManager() *BandwidthStatManager {
 	return &BandwidthStatManager{
-		m:         map[string]*BandwidthStat{},
-		ticker:    time.NewTicker(1 * time.Minute), // 时间小于1分钟是为了更快速地上传结果
-		cacheFile: Tea.Root + "/data/bandwidth.dat",
+		m:      map[string]*BandwidthStat{},
+		ticker: time.NewTicker(1 * time.Minute), // 时间小于1分钟是为了更快速地上传结果
 	}
 }

@@ -271,13 +268,17 @@ func (this *BandwidthStatManager) Save() error {
 	this.locker.Lock()
 	defer this.locker.Unlock()

+	if len(this.m) == 0 {
+		return nil
+	}
+
 	data, err := json.Marshal(this.m)
 	if err != nil {
 		return err
 	}

-	_ = os.Remove(this.cacheFile)
-	return os.WriteFile(this.cacheFile, data, 0666)
+	_ = os.Remove(this.cacheFile())
+	return os.WriteFile(this.cacheFile(), data, 0666)
 }

 // Cancel 取消上传
@@ -287,7 +288,7 @@ func (this *BandwidthStatManager) Cancel() {

 // 从本地缓存文件中恢复数据
 func (this *BandwidthStatManager) recover() {
-	cacheData, err := os.ReadFile(this.cacheFile)
+	cacheData, err := os.ReadFile(this.cacheFile())
 	if err == nil {
 		var m = map[string]*BandwidthStat{}
 		err = json.Unmarshal(cacheData, &m)
@@ -309,6 +310,12 @@ func (this *BandwidthStatManager) recover() {
 				}
 			}
 		}
-		_ = os.Remove(this.cacheFile)
+		_ = os.Remove(this.cacheFile())
 	}
 }
+
+// 获取缓存文件
+// 不能在init()中初始化，避免无法获得正确的路径
+func (this *BandwidthStatManager) cacheFile() string {
+	return Tea.Root + "/data/bandwidth.dat"
+}
--- a/internal/ttlcache/cache_test.go
+++ b/internal/ttlcache/cache_test.go
@@ -213,7 +213,7 @@ func BenchmarkCache_Add_Parallel(b *testing.B) {
 	b.RunParallel(func(pb *testing.PB) {
 		for pb.Next() {
 			var j = atomic.AddInt64(&i, 1)
-			cache.Write(types.String(j), j, fasttime.Now().Unix()+i%1024)
+			cache.Write(types.String(j%1e6), j, fasttime.Now().Unix()+i%1024)
 		}
 	})
 }
--- a/internal/utils/agents/db.go
+++ b/internal/utils/agents/db.go
@@ -30,7 +30,7 @@ type DB struct {
 func NewDB(path string) *DB {
 	var db = &DB{path: path}

-	events.On(events.EventQuit, func() {
+	events.OnClose(func() {
 		_ = db.Close()
 	})

--- a/internal/utils/clock/manager.go
+++ b/internal/utils/clock/manager.go
@@ -13,7 +13,6 @@ import (
 	executils "github.com/TeaOSLab/EdgeNode/internal/utils/exec"
 	timeutil "github.com/iwind/TeaGo/utils/time"
 	"net"
-	"os/exec"
 	"runtime"
 	"time"
 )
@@ -86,7 +85,7 @@ func (this *ClockManager) Sync() error {

 	// check chrony
 	if config.CheckChrony {
-		chronycExe, err := exec.LookPath("chronyc")
+		chronycExe, err := executils.LookPath("chronyc")
 		if err == nil && len(chronycExe) > 0 {
 			var chronyCmd = executils.NewTimeoutCmd(3*time.Second, chronycExe, "tracking")
 			err = chronyCmd.Run()
@@ -101,11 +100,11 @@ func (this *ClockManager) Sync() error {
 		server = "pool.ntp.org"
 	}

-	ntpdate, err := exec.LookPath("ntpdate")
+	ntpdate, err := executils.LookPath("ntpdate")
 	if err != nil {
 		// 使用 date 命令设置
 		// date --set TIME
-		dateExe, err := exec.LookPath("date")
+		dateExe, err := executils.LookPath("date")
 		if err == nil {
 			currentTime, err := this.ReadServer(server)
 			if err != nil {
--- a/internal/utils/counters/counter.go
+++ b/internal/utils/counters/counter.go
@@ -0,0 +1,179 @@
+// Copyright 2023 GoEdge CDN goedge.cdn@gmail.com. All rights reserved. Official site: https://goedge.cn .
+
+package counters
+
+import (
+	"github.com/TeaOSLab/EdgeNode/internal/utils/fasttime"
+	syncutils "github.com/TeaOSLab/EdgeNode/internal/utils/sync"
+	"github.com/cespare/xxhash"
+	"runtime"
+	"sync"
+	"time"
+)
+
+type Counter struct {
+	countMaps uint64
+	locker    *syncutils.RWMutex
+	itemMaps  []map[uint64]*Item
+
+	gcTicker *time.Ticker
+	gcIndex  int
+	gcLocker sync.Mutex
+}
+
+// NewCounter create new counter
+func NewCounter() *Counter {
+	var count = runtime.NumCPU() * 4
+	if count < 8 {
+		count = 8
+	} else if count > 128 {
+		count = 128
+	}
+
+	var itemMaps = []map[uint64]*Item{}
+	for i := 0; i < count; i++ {
+		itemMaps = append(itemMaps, map[uint64]*Item{})
+	}
+
+	var counter = &Counter{
+		countMaps: uint64(count),
+		locker:    syncutils.NewRWMutex(count),
+		itemMaps:  itemMaps,
+	}
+
+	return counter
+}
+
+// WithGC start the counter with gc automatically
+func (this *Counter) WithGC() *Counter {
+	if this.gcTicker != nil {
+		return this
+	}
+	this.gcTicker = time.NewTicker(1 * time.Second)
+	go func() {
+		for range this.gcTicker.C {
+			this.GC()
+		}
+	}()
+
+	return this
+}
+
+// Increase key
+func (this *Counter) Increase(key uint64, lifeSeconds int) uint64 {
+	var index = int(key % this.countMaps)
+	this.locker.RLock(index)
+	var item = this.itemMaps[index][key]
+	this.locker.RUnlock(index)
+	if item == nil { // no need to care about duplication
+		item = NewItem(lifeSeconds)
+		this.locker.Lock(index)
+
+		// check again
+		oldItem, ok := this.itemMaps[index][key]
+		if !ok {
+			this.itemMaps[index][key] = item
+		} else {
+			item = oldItem
+		}
+
+		this.locker.Unlock(index)
+	}
+
+	this.locker.Lock(index)
+	var result = item.Increase()
+	this.locker.Unlock(index)
+	return result
+}
+
+// IncreaseKey increase string key
+func (this *Counter) IncreaseKey(key string, lifeSeconds int) uint64 {
+	return this.Increase(this.hash(key), lifeSeconds)
+}
+
+// Get value of key
+func (this *Counter) Get(key uint64) uint64 {
+	var index = int(key % this.countMaps)
+	this.locker.RLock(index)
+	defer this.locker.RUnlock(index)
+	var item = this.itemMaps[index][key]
+	if item != nil {
+		return item.Sum()
+	}
+	return 0
+}
+
+// GetKey get value of string key
+func (this *Counter) GetKey(key string) uint64 {
+	return this.Get(this.hash(key))
+}
+
+// Reset key
+func (this *Counter) Reset(key uint64) {
+	var index = int(key % this.countMaps)
+	this.locker.RLock(index)
+	var item = this.itemMaps[index][key]
+	this.locker.RUnlock(index)
+
+	if item != nil {
+		this.locker.Lock(index)
+		delete(this.itemMaps[index], key)
+		this.locker.Unlock(index)
+	}
+}
+
+// ResetKey string key
+func (this *Counter) ResetKey(key string) {
+	this.Reset(this.hash(key))
+}
+
+// TotalItems get items count
+func (this *Counter) TotalItems() int {
+	var total = 0
+
+	for i := 0; i < int(this.countMaps); i++ {
+		this.locker.RLock(i)
+		total += len(this.itemMaps[i])
+		this.locker.RUnlock(i)
+	}
+
+	return total
+}
+
+// GC garbage expired items
+func (this *Counter) GC() {
+	this.gcLocker.Lock()
+	var gcIndex = this.gcIndex
+
+	this.gcIndex++
+	if this.gcIndex >= int(this.countMaps) {
+		this.gcIndex = 0
+	}
+
+	this.gcLocker.Unlock()
+
+	var currentTime = fasttime.Now().Unix()
+
+	this.locker.RLock(gcIndex)
+	var itemMap = this.itemMaps[gcIndex]
+	var expiredKeys = []uint64{}
+	for key, item := range itemMap {
+		if item.IsExpired(currentTime) {
+			expiredKeys = append(expiredKeys, key)
+		}
+	}
+	this.locker.RUnlock(gcIndex)
+
+	if len(expiredKeys) > 0 {
+		for _, key := range expiredKeys {
+			this.locker.Lock(gcIndex)
+			delete(itemMap, key)
+			this.locker.Unlock(gcIndex)
+		}
+	}
+}
+
+// calculate hash of the key
+func (this *Counter) hash(key string) uint64 {
+	return xxhash.Sum64String(key)
+}
--- a/internal/utils/counters/counter_test.go
+++ b/internal/utils/counters/counter_test.go
@@ -0,0 +1,159 @@
+// Copyright 2023 GoEdge CDN goedge.cdn@gmail.com. All rights reserved. Official site: https://goedge.cn .
+
+package counters_test
+
+import (
+	"github.com/TeaOSLab/EdgeNode/internal/utils/counters"
+	"github.com/TeaOSLab/EdgeNode/internal/utils/testutils"
+	"github.com/iwind/TeaGo/assert"
+	"github.com/iwind/TeaGo/rands"
+	"github.com/iwind/TeaGo/types"
+	timeutil "github.com/iwind/TeaGo/utils/time"
+	"runtime"
+	"sync/atomic"
+	"testing"
+	"time"
+)
+
+func TestCounter_Increase(t *testing.T) {
+	var a = assert.NewAssertion(t)
+
+	var counter = counters.NewCounter()
+	a.IsTrue(counter.Increase(1, 10) == 1)
+	a.IsTrue(counter.Increase(1, 10) == 2)
+	a.IsTrue(counter.Increase(2, 10) == 1)
+
+	counter.Reset(1)
+	a.IsTrue(counter.Get(1) == 0) // changed
+	a.IsTrue(counter.Get(2) == 1) // not changed
+}
+
+func TestCounter_IncreaseKey(t *testing.T) {
+	var a = assert.NewAssertion(t)
+
+	var counter = counters.NewCounter()
+	a.IsTrue(counter.IncreaseKey("1", 10) == 1)
+	a.IsTrue(counter.IncreaseKey("1", 10) == 2)
+	a.IsTrue(counter.IncreaseKey("2", 10) == 1)
+
+	counter.ResetKey("1")
+	a.IsTrue(counter.GetKey("1") == 0) // changed
+	a.IsTrue(counter.GetKey("2") == 1) // not changed
+}
+
+func TestCounter_GC(t *testing.T) {
+	if !testutils.IsSingleTesting() {
+		return
+	}
+
+	var counter = counters.NewCounter()
+	counter.Increase(1, 20)
+	time.Sleep(1 * time.Second)
+	counter.Increase(1, 20)
+	time.Sleep(1 * time.Second)
+	counter.Increase(1, 20)
+	counter.GC()
+}
+
+func TestCounter_GC2(t *testing.T) {
+	if !testutils.IsSingleTesting() {
+		return
+	}
+
+	var counter = counters.NewCounter().WithGC()
+	for i := 0; i < 1e5; i++ {
+		counter.Increase(uint64(i), rands.Int(10, 300))
+	}
+
+	var ticker = time.NewTicker(1 * time.Second)
+	for range ticker.C {
+		t.Log(timeutil.Format("H:i:s"), counter.TotalItems())
+		if counter.TotalItems() == 0 {
+			break
+		}
+	}
+}
+
+func BenchmarkCounter_Increase(b *testing.B) {
+	runtime.GOMAXPROCS(4)
+
+	var counter = counters.NewCounter()
+	b.ResetTimer()
+
+	var i uint64
+	b.RunParallel(func(pb *testing.PB) {
+		for pb.Next() {
+			counter.Increase(atomic.AddUint64(&i, 1)%1e6, 20)
+		}
+	})
+
+	//b.Log(counter.TotalItems())
+}
+
+func BenchmarkCounter_IncreaseKey(b *testing.B) {
+	runtime.GOMAXPROCS(4)
+
+	var counter = counters.NewCounter()
+
+	go func() {
+		var ticker = time.NewTicker(100 * time.Millisecond)
+		for range ticker.C {
+			counter.GC()
+		}
+	}()
+
+	b.ResetTimer()
+
+	var i uint64
+	b.RunParallel(func(pb *testing.PB) {
+		for pb.Next() {
+			counter.IncreaseKey(types.String(atomic.AddUint64(&i, 1)%1e6), 20)
+		}
+	})
+
+	//b.Log(counter.TotalItems())
+}
+
+func BenchmarkCounter_IncreaseKey2(b *testing.B) {
+	runtime.GOMAXPROCS(4)
+
+	var counter = counters.NewCounter()
+
+	go func() {
+		var ticker = time.NewTicker(1 * time.Millisecond)
+		for range ticker.C {
+			counter.GC()
+		}
+	}()
+
+	b.ResetTimer()
+
+	var i uint64
+	b.RunParallel(func(pb *testing.PB) {
+		for pb.Next() {
+			counter.IncreaseKey(types.String(atomic.AddUint64(&i, 1)%1e5), 20)
+		}
+	})
+
+	//b.Log(counter.TotalItems())
+}
+
+func BenchmarkCounter_GC(b *testing.B) {
+	runtime.GOMAXPROCS(4)
+
+	var counter = counters.NewCounter()
+
+	for i := uint64(0); i < 1e5; i++ {
+		counter.IncreaseKey(types.String(i), 20)
+	}
+
+	b.ResetTimer()
+
+	b.RunParallel(func(pb *testing.PB) {
+		for pb.Next() {
+			counter.GC()
+		}
+	})
+
+	//b.Log(counter.TotalItems())
+}
--- a/internal/utils/counters/item.go
+++ b/internal/utils/counters/item.go
@@ -0,0 +1,77 @@
+// Copyright 2023 GoEdge CDN goedge.cdn@gmail.com. All rights reserved. Official site: https://goedge.cn .
+
+package counters
+
+import (
+	"github.com/TeaOSLab/EdgeNode/internal/utils/fasttime"
+)
+
+type Item struct {
+	lifeSeconds int64
+
+	spanSeconds int64
+	spans       []*Span
+
+	lastUpdateTime int64
+}
+
+func NewItem(lifeSeconds int) *Item {
+	if lifeSeconds <= 0 {
+		lifeSeconds = 60
+	}
+	var spanSeconds = lifeSeconds / 10
+	if spanSeconds < 1 {
+		spanSeconds = 1
+	}
+	var countSpans = lifeSeconds/spanSeconds + 1 /** prevent index out of bounds **/
+	var spans = []*Span{}
+	for i := 0; i < countSpans; i++ {
+		spans = append(spans, NewSpan())
+	}
+
+	return &Item{
+		lifeSeconds:    int64(lifeSeconds),
+		spanSeconds:    int64(spanSeconds),
+		spans:          spans,
+		lastUpdateTime: fasttime.Now().Unix(),
+	}
+}
+
+func (this *Item) Increase() uint64 {
+	var currentTime = fasttime.Now().Unix()
+	var spanIndex = int(currentTime % this.lifeSeconds / this.spanSeconds)
+	var span = this.spans[spanIndex]
+	var roundTime = currentTime / this.spanSeconds * this.spanSeconds
+
+	this.lastUpdateTime = currentTime
+
+	if span.Timestamp < roundTime {
+		span.Timestamp = roundTime // update time
+		span.Count = 0             // reset count
+	}
+	span.Count++
+
+	return this.Sum()
+}
+
+func (this *Item) Sum() uint64 {
+	var result uint64 = 0
+	var currentTimestamp = fasttime.Now().Unix()
+	for _, span := range this.spans {
+		if span.Timestamp >= currentTimestamp-this.lifeSeconds {
+			result += span.Count
+		}
+	}
+	return result
+}
+
+func (this *Item) Reset() {
+	for _, span := range this.spans {
+		span.Count = 0
+		span.Timestamp = 0
+	}
+}
+
+func (this *Item) IsExpired(currentTime int64) bool {
+	return this.lastUpdateTime < currentTime-this.lifeSeconds-this.spanSeconds
+}
--- a/internal/utils/counters/item_test.go
+++ b/internal/utils/counters/item_test.go
@@ -0,0 +1,56 @@
+// Copyright 2023 GoEdge CDN goedge.cdn@gmail.com. All rights reserved. Official site: https://goedge.cn .
+
+package counters_test
+
+import (
+	"github.com/TeaOSLab/EdgeNode/internal/utils/counters"
+	"github.com/TeaOSLab/EdgeNode/internal/utils/testutils"
+	"github.com/iwind/TeaGo/assert"
+	timeutil "github.com/iwind/TeaGo/utils/time"
+	"runtime"
+	"testing"
+	"time"
+)
+
+func TestItem_Increase(t *testing.T) {
+	// run only under single testing
+	if !testutils.IsSingleTesting() {
+		return
+	}
+
+	var a = assert.NewAssertion(t)
+
+	var item = counters.NewItem(20)
+	for i := 0; i < 100; i++ {
+		t.Log(item.Increase(), timeutil.Format("i:s"))
+		time.Sleep(2 * time.Second)
+	}
+
+	item.Reset()
+	a.IsTrue(item.Sum() == 0)
+}
+
+func TestItem_IsExpired(t *testing.T) {
+	if !testutils.IsSingleTesting() {
+		return
+	}
+
+	var currentTime = time.Now().Unix()
+
+	var item = counters.NewItem(10)
+	t.Log(item.IsExpired(currentTime))
+	time.Sleep(10 * time.Second)
+	t.Log(item.IsExpired(currentTime))
+	time.Sleep(2 * time.Second)
+	t.Log(item.IsExpired(currentTime))
+}
+
+func BenchmarkItem_Increase(b *testing.B) {
+	runtime.GOMAXPROCS(1)
+
+	var item = counters.NewItem(60)
+
+	for i := 0; i < b.N; i++ {
+		item.Increase()
+	}
+}
--- a/internal/utils/counters/span.go
+++ b/internal/utils/counters/span.go
@@ -0,0 +1,12 @@
+// Copyright 2023 GoEdge CDN goedge.cdn@gmail.com. All rights reserved. Official site: https://goedge.cn .
+
+package counters
+
+type Span struct {
+	Timestamp int64
+	Count     uint64
+}
+
+func NewSpan() *Span {
+	return &Span{}
+}
--- a/internal/utils/dbs/batch.go
+++ b/internal/utils/dbs/batch.go
@@ -14,26 +14,28 @@ type batchItem struct {
 }

 type Batch struct {
-	db *sql.DB
+	db *DB
 	n  int

 	enableStat bool

 	onFail func(err error)

-	queue chan *batchItem
-	close chan bool
+	queue      chan *batchItem
+	closeEvent chan bool

 	isClosed bool
 }

-func NewBatch(db *sql.DB, n int) *Batch {
-	return &Batch{
-		db:    db,
-		n:     n,
-		queue: make(chan *batchItem),
-		close: make(chan bool, 1),
+func NewBatch(db *DB, n int) *Batch {
+	var batch = &Batch{
+		db:         db,
+		n:          n,
+		queue:      make(chan *batchItem, 16),
+		closeEvent: make(chan bool, 1),
 	}
+	db.batches = append(db.batches, batch)
+	return batch
 }

 func (this *Batch) EnableStat(b bool) {
@@ -45,6 +47,9 @@ func (this *Batch) OnFail(callback func(err error)) {
 }

 func (this *Batch) Add(query string, args ...any) {
+	if this.isClosed {
+		return
+	}
 	this.queue <- &batchItem{
 		query: query,
 		args:  args,
@@ -65,7 +70,7 @@ For:
 		// closed
 		if this.isClosed {
 			if lastTx != nil {
-				_ = lastTx.Commit()
+				_ = this.commitTx(lastTx)
 				lastTx = nil
 			}

@@ -83,6 +88,9 @@ For:

 			err := this.execItem(lastTx, item)
 			if err != nil {
+				if IsClosedErr(err) {
+					return
+				}
 				this.processErr(item.query, err)
 			}

@@ -90,9 +98,12 @@ For:

 			if count == n {
 				count = 0
-				err = lastTx.Commit()
+				err = this.commitTx(lastTx)
 				lastTx = nil
 				if err != nil {
+					if IsClosedErr(err) {
+						return
+					}
 					this.processErr("commit", err)
 				}
 			}
@@ -101,16 +112,19 @@ For:
 				continue For
 			}
 			count = 0
-			err := lastTx.Commit()
+			err := this.commitTx(lastTx)
 			lastTx = nil
 			if err != nil {
+				if IsClosedErr(err) {
+					return
+				}
 				this.processErr("commit", err)
 			}
-		case <-this.close:
+		case <-this.closeEvent:
 			// closed

 			if lastTx != nil {
-				_ = lastTx.Commit()
+				_ = this.commitTx(lastTx)
 				lastTx = nil
 			}

@@ -119,26 +133,44 @@ For:
 	}
 }

-func (this *Batch) Close() {
+func (this *Batch) close() {
 	this.isClosed = true

 	select {
-	case this.close <- true:
+	case this.closeEvent <- true:
 	default:

 	}
 }

 func (this *Batch) beginTx() *sql.Tx {
+	if !this.db.BeginUpdating() {
+		return nil
+	}
+
 	tx, err := this.db.Begin()
 	if err != nil {
 		this.processErr("begin transaction", err)
+		this.db.EndUpdating()
 		return nil
 	}
 	return tx
 }

+func (this *Batch) commitTx(tx *sql.Tx) error {
+	// always commit without checking database closing status
+	this.db.EndUpdating()
+	return tx.Commit()
+}
+
 func (this *Batch) execItem(tx *sql.Tx, item *batchItem) error {
+	// check database status
+	if this.db.BeginUpdating() {
+		defer this.db.EndUpdating()
+	} else {
+		return errDBIsClosed
+	}
+
 	if this.enableStat {
 		defer SharedQueryStatManager.AddQuery(item.query).End()
 	}
--- a/internal/utils/dbs/db.go
+++ b/internal/utils/dbs/db.go
@@ -5,19 +5,31 @@ package dbs
 import (
 	"context"
 	"database/sql"
+	"errors"
 	"fmt"
 	"github.com/TeaOSLab/EdgeNode/internal/events"
 	"github.com/TeaOSLab/EdgeNode/internal/remotelogs"
 	"github.com/TeaOSLab/EdgeNode/internal/utils/fileutils"
 	_ "github.com/mattn/go-sqlite3"
 	"strings"
+	"sync"
+	"time"
 )

+var errDBIsClosed = errors.New("the database is closed")
+
 type DB struct {
 	locker *fileutils.Locker
 	rawDB  *sql.DB

+	statusLocker  sync.Mutex
+	countUpdating int32
+
+	isClosing bool
+
 	enableStat bool
+
+	batches []*Batch
 }

 func OpenWriter(dsn string) (*DB, error) {
@@ -63,10 +75,10 @@ func NewDB(rawDB *sql.DB) *DB {
 	}

 	events.OnKey(events.EventQuit, fmt.Sprintf("db_%p", db), func() {
-		_ = rawDB.Close()
+		_ = db.Close()
 	})
 	events.OnKey(events.EventTerminated, fmt.Sprintf("db_%p", db), func() {
-		_ = rawDB.Close()
+		_ = db.Close()
 	})

 	return db
@@ -81,6 +93,13 @@ func (this *DB) EnableStat(b bool) {
 }

 func (this *DB) Begin() (*sql.Tx, error) {
+	// check database status
+	if this.BeginUpdating() {
+		defer this.EndUpdating()
+	} else {
+		return nil, errDBIsClosed
+	}
+
 	return this.rawDB.Begin()
 }

@@ -90,7 +109,7 @@ func (this *DB) Prepare(query string) (*Stmt, error) {
 		return nil, err
 	}

-	var s = NewStmt(stmt, query)
+	var s = NewStmt(this, stmt, query)
 	if this.enableStat {
 		s.EnableStat()
 	}
@@ -98,13 +117,28 @@ func (this *DB) Prepare(query string) (*Stmt, error) {
 }

 func (this *DB) ExecContext(ctx context.Context, query string, args ...interface{}) (sql.Result, error) {
+	// check database status
+	if this.BeginUpdating() {
+		defer this.EndUpdating()
+	} else {
+		return nil, errDBIsClosed
+	}
+
 	if this.enableStat {
 		defer SharedQueryStatManager.AddQuery(query).End()
 	}
+
 	return this.rawDB.ExecContext(ctx, query, args...)
 }

 func (this *DB) Exec(query string, args ...interface{}) (sql.Result, error) {
+	// check database status
+	if this.BeginUpdating() {
+		defer this.EndUpdating()
+	} else {
+		return nil, errDBIsClosed
+	}
+
 	if this.enableStat {
 		defer SharedQueryStatManager.AddQuery(query).End()
 	}
@@ -125,7 +159,32 @@ func (this *DB) QueryRow(query string, args ...interface{}) *sql.Row {
 	return this.rawDB.QueryRow(query, args...)
 }

+// Close the database
 func (this *DB) Close() error {
+	// check database status
+	this.statusLocker.Lock()
+	if this.isClosing {
+		this.statusLocker.Unlock()
+		return nil
+	}
+	this.isClosing = true
+	this.statusLocker.Unlock()
+
+	// waiting for updating operations to finish
+	for {
+		this.statusLocker.Lock()
+		var countUpdating = this.countUpdating
+		this.statusLocker.Unlock()
+		if countUpdating <= 0 {
+			break
+		}
+		time.Sleep(1 * time.Millisecond)
+	}
+
+	for _, batch := range this.batches {
+		batch.close()
+	}
+
 	events.Remove(fmt.Sprintf("db_%p", this))

 	defer func() {
@@ -137,6 +196,24 @@ func (this *DB) Close() error {
 	return this.rawDB.Close()
 }

+func (this *DB) BeginUpdating() bool {
+	this.statusLocker.Lock()
+	defer this.statusLocker.Unlock()
+
+	if this.isClosing {
+		return false
+	}
+
+	this.countUpdating++
+	return true
+}
+
+func (this *DB) EndUpdating() {
+	this.statusLocker.Lock()
+	this.countUpdating--
+	this.statusLocker.Unlock()
+}
+
 func (this *DB) RawDB() *sql.DB {
 	return this.rawDB
 }
--- a/internal/utils/dbs/stmt.go
+++ b/internal/utils/dbs/stmt.go
@@ -8,14 +8,16 @@ import (
 )

 type Stmt struct {
+	db      *DB
 	rawStmt *sql.Stmt
 	query   string

 	enableStat bool
 }

-func NewStmt(rawStmt *sql.Stmt, query string) *Stmt {
+func NewStmt(db *DB, rawStmt *sql.Stmt, query string) *Stmt {
 	return &Stmt{
+		db:      db,
 		rawStmt: rawStmt,
 		query:   query,
 	}
@@ -26,6 +28,13 @@ func (this *Stmt) EnableStat() {
 }

 func (this *Stmt) ExecContext(ctx context.Context, args ...interface{}) (sql.Result, error) {
+	// check database status
+	if this.db.BeginUpdating() {
+		defer this.db.EndUpdating()
+	} else {
+		return nil, errDBIsClosed
+	}
+
 	if this.enableStat {
 		defer SharedQueryStatManager.AddQuery(this.query).End()
 	}
@@ -33,6 +42,13 @@ func (this *Stmt) ExecContext(ctx context.Context, args ...interface{}) (sql.Res
 }

 func (this *Stmt) Exec(args ...interface{}) (sql.Result, error) {
+	// check database status
+	if this.db.BeginUpdating() {
+		defer this.db.EndUpdating()
+	} else {
+		return nil, errDBIsClosed
+	}
+
 	if this.enableStat {
 		defer SharedQueryStatManager.AddQuery(this.query).End()
 	}
--- a/internal/utils/dbs/utils.go
+++ b/internal/utils/dbs/utils.go
@@ -0,0 +1,7 @@
+// Copyright 2023 GoEdge CDN goedge.cdn@gmail.com. All rights reserved. Official site: https://goedge.cn .
+
+package dbs
+
+func IsClosedErr(err error) bool {
+	return err == errDBIsClosed
+}
--- a/internal/utils/exec/look_linux.go
+++ b/internal/utils/exec/look_linux.go
@@ -0,0 +1,59 @@
+// Copyright 2023 GoEdge CDN goedge.cdn@gmail.com. All rights reserved. Official site: https://goedge.cn .
+//go:build linux
+
+package executils
+
+import (
+	"golang.org/x/sys/unix"
+	"io/fs"
+	"os"
+	"os/exec"
+	"syscall"
+)
+
+// LookPath customize our LookPath() function, to work in broken $PATH environment variable
+func LookPath(file string) (string, error) {
+	result, err := exec.LookPath(file)
+	if err == nil && len(result) > 0 {
+		return result, nil
+	}
+
+	// add common dirs contains executable files these may be excluded in $PATH environment variable
+	var binPaths = []string{
+		"/usr/sbin",
+		"/usr/bin",
+		"/usr/local/sbin",
+		"/usr/local/bin",
+	}
+
+	for _, binPath := range binPaths {
+		var fullPath = binPath + string(os.PathSeparator) + file
+
+		stat, err := os.Stat(fullPath)
+		if err != nil {
+			continue
+		}
+		if stat.IsDir() {
+			return "", syscall.EISDIR
+		}
+
+		var mode = stat.Mode()
+		if mode.IsDir() {
+			return "", syscall.EISDIR
+		}
+		err = syscall.Faccessat(unix.AT_FDCWD, fullPath, unix.X_OK, unix.AT_EACCESS)
+		if err == nil || (err != syscall.ENOSYS && err != syscall.EPERM) {
+			return fullPath, err
+		}
+		if mode&0111 != 0 {
+			return fullPath, nil
+		}
+		return "", fs.ErrPermission
+	}
+
+	return "", &exec.Error{
+		Name: file,
+		Err:  exec.ErrNotFound,
+	}
+}
+
--- a/internal/utils/exec/look_others.go
+++ b/internal/utils/exec/look_others.go
@@ -0,0 +1,10 @@
+// Copyright 2023 GoEdge CDN goedge.cdn@gmail.com. All rights reserved. Official site: https://goedge.cn .
+//go:build !linux
+
+package executils
+
+import "os/exec"
+
+func LookPath(file string) (string, error) {
+	return exec.LookPath(file)
+}
--- a/internal/utils/free_hours_manager.go
+++ b/internal/utils/free_hours_manager.go
@@ -24,7 +24,7 @@ func init() {
 			SharedFreeHoursManager.Start()
 		})
 	})
-	events.On(events.EventQuit, func() {
+	events.OnClose(func() {
 		SharedFreeHoursManager.Stop()
 	})
 }
--- a/internal/utils/fs/stat.go
+++ b/internal/utils/fs/stat.go
@@ -0,0 +1,81 @@
+// Copyright 2023 GoEdge CDN goedge.cdn@gmail.com. All rights reserved. Official site: https://goedge.cn .
+
+package fsutils
+
+import (
+	"github.com/TeaOSLab/EdgeNode/internal/utils/fasttime"
+	"golang.org/x/sys/unix"
+	"sync"
+)
+
+// Stat device contains the path
+func Stat(path string) (*StatResult, error) {
+	var stat = &unix.Statfs_t{}
+	err := unix.Statfs(path, stat)
+	if err != nil {
+		return nil, err
+	}
+	return NewStatResult(stat), nil
+}
+
+var locker = &sync.RWMutex{}
+var cacheMap = map[string]*StatResult{} // path => StatResult
+
+const cacheLife = 3 // seconds
+
+// StatCache stat device with cache
+func StatCache(path string) (*StatResult, error) {
+	locker.RLock()
+	stat, ok := cacheMap[path]
+	if ok && stat.updatedAt >= fasttime.Now().Unix()-cacheLife {
+		locker.RUnlock()
+		return stat, nil
+	}
+	locker.RUnlock()
+
+	locker.Lock()
+	defer locker.Unlock()
+
+	stat, err := Stat(path)
+	if err != nil {
+		return nil, err
+	}
+
+	cacheMap[path] = stat
+	return stat, nil
+}
+
+type StatResult struct {
+	rawStat   *unix.Statfs_t
+	blockSize uint64
+
+	updatedAt int64
+}
+
+func NewStatResult(rawStat *unix.Statfs_t) *StatResult {
+	var blockSize = rawStat.Bsize
+	if blockSize < 0 {
+		blockSize = 0
+	}
+
+	return &StatResult{
+		rawStat:   rawStat,
+		blockSize: uint64(blockSize),
+		updatedAt: fasttime.Now().Unix(),
+	}
+}
+
+func (this *StatResult) FreeSize() uint64 {
+	return this.rawStat.Bfree * this.blockSize
+}
+
+func (this *StatResult) TotalSize() uint64 {
+	return this.rawStat.Blocks * this.blockSize
+}
+
+func (this *StatResult) UsedSize() uint64 {
+	if this.rawStat.Bfree <= this.rawStat.Blocks {
+		return (this.rawStat.Blocks - this.rawStat.Bfree) * this.blockSize
+	}
+	return 0
+}
--- a/internal/utils/fs/stat_test.go
+++ b/internal/utils/fs/stat_test.go
@@ -0,0 +1,69 @@
+// Copyright 2023 GoEdge CDN goedge.cdn@gmail.com. All rights reserved. Official site: https://goedge.cn .
+
+package fsutils_test
+
+import (
+	fsutils "github.com/TeaOSLab/EdgeNode/internal/utils/fs"
+	"sync"
+	"testing"
+	"time"
+)
+
+func TestStat(t *testing.T) {
+	stat, err := fsutils.Stat("/usr/local")
+	if err != nil {
+		t.Fatal(err)
+	}
+	t.Log("free:", stat.FreeSize()/(1<<30), "total:", stat.TotalSize()/(1<<30), "used:", stat.UsedSize()/(1<<30))
+}
+
+func TestStatCache(t *testing.T) {
+	for i := 0; i < 10; i++ {
+		stat, err := fsutils.StatCache("/usr/local")
+		if err != nil {
+			t.Fatal(err)
+		}
+		t.Log("free:", stat.FreeSize()/(1<<30), "total:", stat.TotalSize()/(1<<30), "used:", stat.UsedSize()/(1<<30))
+	}
+}
+
+func TestConcurrent(t *testing.T) {
+	var before = time.Now()
+	defer func() {
+		t.Log(time.Since(before).Seconds()*1000, "ms")
+	}()
+
+	var count = 10000
+	var wg = sync.WaitGroup{}
+	wg.Add(count)
+	for i := 0; i < count; i++ {
+		go func() {
+			defer wg.Done()
+
+			_, _ = fsutils.Stat("/usr/local")
+		}()
+	}
+	wg.Wait()
+}
+
+func BenchmarkStat(b *testing.B) {
+	b.RunParallel(func(pb *testing.PB) {
+		for pb.Next() {
+			_, err := fsutils.Stat("/usr/local")
+			if err != nil {
+				b.Fatal(err)
+			}
+		}
+	})
+}
+
+func BenchmarkStatCache(b *testing.B) {
+	b.RunParallel(func(pb *testing.PB) {
+		for pb.Next() {
+			_, err := fsutils.StatCache("/usr/local")
+			if err != nil {
+				b.Fatal(err)
+			}
+		}
+	})
+}
--- a/internal/utils/service_linux.go
+++ b/internal/utils/service_linux.go
@@ -24,7 +24,7 @@ func (this *ServiceManager) Install(exePath string, args []string) error {
 		return errors.New("only root users can install the service")
 	}

-	systemd, err := exec.LookPath("systemctl")
+	systemd, err := executils.LookPath("systemctl")
 	if err != nil {
 		return this.installInitService(exePath, args)
 	}
@@ -39,7 +39,7 @@ func (this *ServiceManager) Start() error {
 	}

 	if files.NewFile(systemdServiceFile).Exists() {
-		systemd, err := exec.LookPath("systemctl")
+		systemd, err := executils.LookPath("systemctl")
 		if err != nil {
 			return err
 		}
@@ -56,7 +56,7 @@ func (this *ServiceManager) Uninstall() error {
 	}

 	if files.NewFile(systemdServiceFile).Exists() {
-		systemd, err := exec.LookPath("systemctl")
+		systemd, err := executils.LookPath("systemctl")
 		if err != nil {
 			return err
 		}
@@ -96,7 +96,7 @@ func (this *ServiceManager) installInitService(exePath string, args []string) er
 		return err
 	}

-	chkCmd, err := exec.LookPath("chkconfig")
+	chkCmd, err := executils.LookPath("chkconfig")
 	if err != nil {
 		return err
 	}
--- a/internal/utils/sync/map_int.go
+++ b/internal/utils/sync/map_int.go
@@ -0,0 +1,136 @@
+// Copyright 2023 Liuxiangchao iwind.liu@gmail.com. All rights reserved. Official site: https://goedge.cn .
+
+package syncutils
+
+import (
+	"runtime"
+	"sync"
+)
+
+type KType interface {
+	int | int16 | int32 | int64 | uint | uint16 | uint32 | uint64 | uintptr
+}
+
+type VType interface {
+	any
+}
+
+type IntMap[K KType, V VType] struct {
+	count   int
+	m       []map[K]V
+	lockers []*sync.RWMutex
+}
+
+func NewIntMap[K KType, V VType]() *IntMap[K, V] {
+	var count = runtime.NumCPU() * 8
+	if count <= 0 {
+		count = 32
+	}
+
+	var m = []map[K]V{}
+	var lockers = []*sync.RWMutex{}
+	for i := 0; i < count; i++ {
+		m = append(m, map[K]V{})
+		lockers = append(lockers, &sync.RWMutex{})
+	}
+
+	return &IntMap[K, V]{
+		count:   count,
+		m:       m,
+		lockers: lockers,
+	}
+}
+
+func (this *IntMap[K, V]) Put(k K, v V) {
+	var index = this.index(k)
+	this.lockers[index].Lock()
+	this.m[index][k] = v
+	this.lockers[index].Unlock()
+}
+
+func (this *IntMap[K, V]) PutCompact(k K, v V, compactFunc func(oldV V, newV V) V) {
+	var index = this.index(k)
+	this.lockers[index].Lock()
+	// 再次检查是否已经存在，如果已经存在则合并
+	oldV, ok := this.m[index][k]
+	if ok {
+		this.m[index][k] = compactFunc(oldV, v)
+	} else {
+		this.m[index][k] = v
+	}
+	this.lockers[index].Unlock()
+}
+
+func (this *IntMap[K, V]) Has(k K) bool {
+	var index = this.index(k)
+	this.lockers[index].RLock()
+	_, ok := this.m[index][k]
+	this.lockers[index].RUnlock()
+	return ok
+}
+
+func (this *IntMap[K, V]) Get(k K) (value V) {
+	var index = this.index(k)
+	this.lockers[index].RLock()
+	value, _ = this.m[index][k]
+	this.lockers[index].RUnlock()
+	return
+}
+
+func (this *IntMap[K, V]) GetOk(k K) (value V, ok bool) {
+	var index = this.index(k)
+	this.lockers[index].RLock()
+	value, ok = this.m[index][k]
+	this.lockers[index].RUnlock()
+	return
+}
+
+func (this *IntMap[K, V]) Delete(k K) {
+	var index = this.index(k)
+	this.lockers[index].Lock()
+	delete(this.m[index], k)
+	this.lockers[index].Unlock()
+}
+
+func (this *IntMap[K, V]) DeleteUnsafe(k K) {
+	var index = this.index(k)
+	delete(this.m[index], k)
+}
+
+func (this *IntMap[K, V]) Len() int {
+	var l int
+	for i := 0; i < this.count; i++ {
+		this.lockers[i].RLock()
+		l += len(this.m[i])
+		this.lockers[i].RUnlock()
+	}
+	return l
+}
+
+func (this *IntMap[K, V]) ForEachRead(iterator func(k K, v V)) {
+	for i := 0; i < this.count; i++ {
+		this.lockers[i].RLock()
+		for k, v := range this.m[i] {
+			iterator(k, v)
+		}
+		this.lockers[i].RUnlock()
+	}
+}
+
+func (this *IntMap[K, V]) ForEachWrite(iterator func(k K, v V)) {
+	for i := 0; i < this.count; i++ {
+		this.lockers[i].Lock()
+		for k, v := range this.m[i] {
+			iterator(k, v)
+		}
+		this.lockers[i].Unlock()
+	}
+}
+
+func (this *IntMap[K, V]) index(k K) int {
+	var index = int(k % K(this.count))
+	if index < 0 {
+		index = -index
+	}
+	return index
+}
--- a/internal/utils/sync/map_int_test.go
+++ b/internal/utils/sync/map_int_test.go
@@ -0,0 +1,125 @@
+// Copyright 2023 Liuxiangchao iwind.liu@gmail.com. All rights reserved. Official site: https://goedge.cn .
+
+package syncutils_test
+
+import (
+	"github.com/TeaOSLab/EdgeNode/internal/stats"
+	syncutils "github.com/TeaOSLab/EdgeNode/internal/utils/sync"
+	"github.com/iwind/TeaGo/assert"
+	"github.com/iwind/TeaGo/types"
+	"sync"
+	"testing"
+)
+
+func TestIntMap(t *testing.T) {
+	var a = assert.NewAssertion(t)
+
+	var m = syncutils.NewIntMap[int, string]()
+	m.Put(1, "1")
+	a.IsTrue(m.Has(1))
+	a.IsFalse(m.Has(2))
+	m.Put(-1, "-1")
+	t.Log(m.Get(-1))
+	t.Log(m.Len(), "values")
+	{
+		a.IsTrue(m.Has(-1))
+		m.Delete(-1)
+		a.IsFalse(m.Has(-1))
+	}
+	t.Log(m.Len(), "values")
+}
+
+func TestInt64Map(t *testing.T) {
+	var a = assert.NewAssertion(t)
+
+	var m = syncutils.NewIntMap[int64, string]()
+	m.Put(1, "1")
+	a.IsTrue(m.Has(1))
+	a.IsFalse(m.Has(2))
+	m.Put(-1, "-1")
+	t.Log(m.Get(-1))
+	t.Log(m.Len(), "values")
+	{
+		a.IsTrue(m.Has(-1))
+		m.Delete(-1)
+		a.IsFalse(m.Has(-1))
+	}
+	m.Put(1024000000, "large int")
+	t.Log(m.Get(1024000000))
+	t.Log(m.Len(), "values")
+}
+
+func TestIntMap_PutCompact(t *testing.T) {
+	var a = assert.NewAssertion(t)
+
+	var m = syncutils.NewIntMap[int, string]()
+	m.Put(1, "a")
+	m.Put(1, "b")
+	a.IsTrue(m.Get(1) == "b")
+
+	m.PutCompact(1, "c", func(oldV string, newV string) string {
+		return oldV + newV
+	})
+
+	a.IsTrue(m.Get(1) == "bc")
+}
+
+func TestIntMap_ForEachRead(t *testing.T) {
+	var m = syncutils.NewIntMap[int, string]()
+	for i := 0; i < 100; i++ {
+		m.Put(i, "v"+types.String(i))
+	}
+
+	t.Log(m.Len())
+
+	m.ForEachRead(func(k int, v string) {
+		t.Log(k, v)
+	})
+}
+
+func TestIntMap_ForEachWrite(t *testing.T) {
+	var m = syncutils.NewIntMap[int, string]()
+	for i := 0; i < 100; i++ {
+		m.Put(i, "v"+types.String(i))
+	}
+
+	t.Log(m.Len())
+
+	m.ForEachRead(func(k int, v string) {
+		t.Log(k, v)
+		m.DeleteUnsafe(k)
+	})
+	t.Log(m.Len(), "elements left")
+}
+
+func BenchmarkNewIntMap(b *testing.B) {
+	var m = syncutils.NewIntMap[int, *stats.BandwidthStat]()
+
+	b.RunParallel(func(pb *testing.PB) {
+		var i int
+		for pb.Next() {
+			i++
+			m.Put(i, &stats.BandwidthStat{ServerId: 100})
+			_ = m.Get(i + 100)
+		}
+	})
+}
+
+func BenchmarkNewIntMap2(b *testing.B) {
+	var m = map[int]*stats.BandwidthStat{}
+	var locker = sync.RWMutex{}
+
+	b.RunParallel(func(pb *testing.PB) {
+		var i int
+		for pb.Next() {
+			i++
+			locker.Lock()
+			m[i] = &stats.BandwidthStat{ServerId: 100}
+			locker.Unlock()
+
+			locker.RLock()
+			_ = m[i+100]
+			locker.RUnlock()
+		}
+	})
+}
--- a/internal/utils/sync/rw_mutex.go
+++ b/internal/utils/sync/rw_mutex.go
@@ -0,0 +1,56 @@
+// Copyright 2023 Liuxiangchao iwind.liu@gmail.com. All rights reserved. Official site: https://goedge.cn .
+
+package syncutils
+
+import (
+	"sync"
+)
+
+type RWMutex struct {
+	lockers      []*sync.RWMutex
+	countLockers int
+}
+
+func NewRWMutex(count int) *RWMutex {
+	if count <= 0 {
+		count = 1
+	}
+
+	var lockers = []*sync.RWMutex{}
+	for i := 0; i < count; i++ {
+		lockers = append(lockers, &sync.RWMutex{})
+	}
+
+	return &RWMutex{
+		lockers:      lockers,
+		countLockers: len(lockers),
+	}
+}
+
+func (this *RWMutex) Lock(index int) {
+	this.lockers[index%this.countLockers].Lock()
+}
+
+func (this *RWMutex) Unlock(index int) {
+	this.lockers[index%this.countLockers].Unlock()
+}
+
+func (this *RWMutex) RLock(index int) {
+	this.lockers[index%this.countLockers].RLock()
+}
+
+func (this *RWMutex) RUnlock(index int) {
+	this.lockers[index%this.countLockers].RUnlock()
+}
+
+func (this *RWMutex) TryLock(index int) bool {
+	return this.lockers[index%this.countLockers].TryLock()
+}
+
+func (this *RWMutex) TryRLock(index int) bool {
+	return this.lockers[index%this.countLockers].TryRLock()
+}
+
+func (this *RWMutex) RWMutex(index int) *sync.RWMutex {
+	return this.lockers[index%this.countLockers]
+}
--- a/internal/utils/sync/rw_mutex_test.go
+++ b/internal/utils/sync/rw_mutex_test.go
@@ -0,0 +1,47 @@
+// Copyright 2023 Liuxiangchao iwind.liu@gmail.com. All rights reserved. Official site: https://goedge.cn .
+
+package syncutils_test
+
+import (
+	syncutils "github.com/TeaOSLab/EdgeNode/internal/utils/sync"
+	"runtime"
+	"sync"
+	"testing"
+	"time"
+)
+
+func TestNewRWMutex(t *testing.T) {
+	var locker = syncutils.NewRWMutex(runtime.NumCPU())
+	locker.Lock(1)
+	t.Log(locker.TryLock(1))
+	locker.Unlock(1)
+	t.Log(locker.TryLock(1))
+}
+
+func BenchmarkRWMutex_Lock(b *testing.B) {
+	var locker = syncutils.NewRWMutex(runtime.NumCPU())
+
+	b.RunParallel(func(pb *testing.PB) {
+		var i = 0
+		for pb.Next() {
+			i++
+			locker.Lock(i)
+			time.Sleep(1 * time.Millisecond)
+			locker.Unlock(i)
+		}
+	})
+}
+
+func BenchmarkRWMutex_Lock2(b *testing.B) {
+	var locker = &sync.Mutex{}
+
+	b.RunParallel(func(pb *testing.PB) {
+		var i = 0
+		for pb.Next() {
+			i++
+			locker.Lock()
+			time.Sleep(1 * time.Millisecond)
+			locker.Unlock()
+		}
+	})
+}
--- a/internal/waf/action_js_cookie.go
+++ b/internal/waf/action_js_cookie.go
@@ -7,7 +7,6 @@ import (
 	"fmt"
 	"github.com/TeaOSLab/EdgeCommon/pkg/nodeconfigs"
 	"github.com/TeaOSLab/EdgeCommon/pkg/serverconfigs/firewallconfigs"
-	"github.com/TeaOSLab/EdgeNode/internal/ttlcache"
 	"github.com/TeaOSLab/EdgeNode/internal/waf/requests"
 	"github.com/iwind/TeaGo/types"
 	"net/http"
@@ -121,7 +120,7 @@ func (this *JSCookieAction) increaseFails(req requests.Request, policyId int64,

 	var key = "JS_COOKIE:FAILS:" + req.WAFRemoteIP() + ":" + types.String(req.WAFServerId()) + ":" + req.WAFRaw().URL.String()

-	var countFails = ttlcache.SharedCache.IncreaseInt64(key, 1, time.Now().Unix()+300, true)
+	var countFails = SharedCounter.IncreaseKey(key, 300)
 	if int(countFails) >= maxFails {
 		SharedIPBlackList.RecordIP(IPTypeAll, firewallconfigs.FirewallScopeService, req.WAFServerId(), req.WAFRemoteIP(), time.Now().Unix()+int64(failBlockTimeout), policyId, true, groupId, setId, "JS_COOKIE验证连续失败超过"+types.String(maxFails)+"次")
 		return false
--- a/internal/waf/captcha_counter.go
+++ b/internal/waf/captcha_counter.go
@@ -4,7 +4,6 @@ package waf

 import (
 	"github.com/TeaOSLab/EdgeCommon/pkg/serverconfigs/firewallconfigs"
-	"github.com/TeaOSLab/EdgeNode/internal/ttlcache"
 	"github.com/TeaOSLab/EdgeNode/internal/utils"
 	"github.com/TeaOSLab/EdgeNode/internal/waf/requests"
 	"github.com/iwind/TeaGo/types"
@@ -27,7 +26,7 @@ func CaptchaIncreaseFails(req requests.Request, actionConfig *CaptchaAction, pol
 		if maxFails <= 3 {
 			maxFails = 3 // 不能小于3，防止意外刷新出现
 		}
-		var countFails = ttlcache.SharedCache.IncreaseInt64(CaptchaCacheKey(req, pageCode), 1, time.Now().Unix()+300, true)
+		var countFails = SharedCounter.IncreaseKey(CaptchaCacheKey(req, pageCode), 300)
 		if int(countFails) >= maxFails {
 			SharedIPBlackList.RecordIP(IPTypeAll, firewallconfigs.FirewallScopeService, req.WAFServerId(), req.WAFRemoteIP(), time.Now().Unix()+int64(failBlockTimeout), policyId, true, groupId, setId, "CAPTCHA验证连续失败超过"+types.String(maxFails)+"次")
 			return false
@@ -38,9 +37,9 @@ func CaptchaIncreaseFails(req requests.Request, actionConfig *CaptchaAction, pol

 // CaptchaDeleteCacheKey 清除计数
 func CaptchaDeleteCacheKey(req requests.Request) {
-	ttlcache.SharedCache.Delete(CaptchaCacheKey(req, CaptchaPageCodeInit))
-	ttlcache.SharedCache.Delete(CaptchaCacheKey(req, CaptchaPageCodeShow))
-	ttlcache.SharedCache.Delete(CaptchaCacheKey(req, CaptchaPageCodeSubmit))
+	SharedCounter.ResetKey(CaptchaCacheKey(req, CaptchaPageCodeInit))
+	SharedCounter.ResetKey(CaptchaCacheKey(req, CaptchaPageCodeShow))
+	SharedCounter.ResetKey(CaptchaCacheKey(req, CaptchaPageCodeSubmit))
 }

 // CaptchaCacheKey 获取Captcha缓存Key
--- a/internal/waf/checkpoints/cc.go
+++ b/internal/waf/checkpoints/cc.go
@@ -1,22 +1,19 @@
 package checkpoints

 import (
-	"github.com/TeaOSLab/EdgeNode/internal/ttlcache"
+	"github.com/TeaOSLab/EdgeNode/internal/utils/counters"
 	"github.com/TeaOSLab/EdgeNode/internal/waf/requests"
 	"github.com/iwind/TeaGo/maps"
 	"github.com/iwind/TeaGo/types"
 	"regexp"
-	"sync"
-	"time"
 )

+var ccCounter = counters.NewCounter().WithGC()
+
 // CCCheckpoint ${cc.arg}
 // TODO implement more traffic rules
 type CCCheckpoint struct {
 	Checkpoint
-
-	cache *ttlcache.Cache
-	once  sync.Once
 }

 func (this *CCCheckpoint) Init() {
@@ -24,33 +21,25 @@ func (this *CCCheckpoint) Init() {
 }

 func (this *CCCheckpoint) Start() {
-	if this.cache != nil {
-		this.cache.Destroy()
-	}
-	this.cache = ttlcache.NewCache()
+
 }

 func (this *CCCheckpoint) RequestValue(req requests.Request, param string, options maps.Map, ruleId int64) (value interface{}, hasRequestBody bool, sysErr error, userErr error) {
 	value = 0

-	if this.cache == nil {
-		this.once.Do(func() {
-			this.Start()
-		})
-		if this.cache == nil {
-			return
-		}
-	}
-
 	periodString, ok := options["period"]
 	if !ok {
 		return
 	}
-	period := types.Int64(periodString)
+	var period = types.Int(periodString)
 	if period < 1 {
 		return
 	}

+	if period > 7*86400 {
+		period = 7 * 86400
+	}
+
 	v, _ := options["userType"]
 	userType := types.String(v)

@@ -114,7 +103,7 @@ func (this *CCCheckpoint) RequestValue(req requests.Request, param string, optio
 		if len(key) == 0 {
 			key = req.WAFRemoteIP()
 		}
-		value = this.cache.IncreaseInt64(types.String(ruleId)+"@"+key, int64(1), time.Now().Unix()+period, false)
+		value = ccCounter.IncreaseKey(types.String(ruleId)+"@"+key, types.Int(period))
 	}

 	return
@@ -203,8 +192,5 @@ func (this *CCCheckpoint) Options() []OptionInterface {
 }

 func (this *CCCheckpoint) Stop() {
-	if this.cache != nil {
-		this.cache.Destroy()
-		this.cache = nil
-	}
+
 }
--- a/internal/waf/checkpoints/cc2.go
+++ b/internal/waf/checkpoints/cc2.go
@@ -4,17 +4,16 @@ package checkpoints

 import (
 	"fmt"
-	"github.com/TeaOSLab/EdgeNode/internal/ttlcache"
+	"github.com/TeaOSLab/EdgeNode/internal/utils/counters"
 	"github.com/TeaOSLab/EdgeNode/internal/waf/requests"
 	"github.com/TeaOSLab/EdgeNode/internal/zero"
 	"github.com/iwind/TeaGo/maps"
 	"github.com/iwind/TeaGo/types"
 	"path/filepath"
 	"strings"
-	"time"
 )

-var ccCache = ttlcache.NewCache()
+var cc2Counter = counters.NewCounter().WithGC()

 var commonFileExtensionsMap = map[string]zero.Zero{
 	".ico":   zero.New(),
@@ -26,6 +25,10 @@ var commonFileExtensionsMap = map[string]zero.Zero{
 	".woff2": zero.New(),
 	".js":    zero.New(),
 	".css":   zero.New(),
+	".ttf":   zero.New(),
+	".otf":   zero.New(),
+	".fnt":   zero.New(),
+	".svg":   zero.New(),
 }

 // CC2Checkpoint 新的CC
@@ -47,9 +50,11 @@ func (this *CC2Checkpoint) RequestValue(req requests.Request, param string, opti
 		return
 	}

-	var period = options.GetInt64("period")
+	var period = options.GetInt("period")
 	if period <= 0 {
 		period = 60
+	} else if period > 7*86400 {
+		period = 7 * 86400
 	}

 	var threshold = options.GetInt64("threshold")
@@ -71,9 +76,8 @@ func (this *CC2Checkpoint) RequestValue(req requests.Request, param string, opti
 		}
 	}

-	var expiresAt = time.Now().Unix() + period
 	var ccKey = "WAF-CC-" + types.String(ruleId) + "-" + strings.Join(keyValues, "@")
-	value = ccCache.IncreaseInt64(ccKey, 1, expiresAt, false)
+	value = cc2Counter.IncreaseKey(ccKey, period)

 	// 基于指纹统计
 	var enableFingerprint = true
@@ -92,8 +96,8 @@ func (this *CC2Checkpoint) RequestValue(req requests.Request, param string, opti
 				fpKeyValues = append(fpKeyValues, req.Format(types.String(key)))
 			}
 			var fpCCKey = "WAF-CC-" + types.String(ruleId) + "-" + strings.Join(fpKeyValues, "@")
-			var fpValue = ccCache.IncreaseInt64(fpCCKey, 1, expiresAt, false)
-			if fpValue > value.(int64) {
+			var fpValue = cc2Counter.IncreaseKey(fpCCKey, period)
+			if fpValue > value.(uint64) {
 				value = fpValue
 			}
 		}
--- a/internal/waf/counter.go
+++ b/internal/waf/counter.go
@@ -0,0 +1,7 @@
+// Copyright 2023 GoEdge CDN goedge.cdn@gmail.com. All rights reserved. Official site: https://goedge.cn .
+
+package waf
+
+import "github.com/TeaOSLab/EdgeNode/internal/utils/counters"
+
+var SharedCounter = counters.NewCounter().WithGC()
Author	SHA1	Message	Date
刘祥超	de8c2e13f1	修复清理内存缓存内容后无法写入新缓存的问题（一直提示the file is writing）	2023-07-17 09:29:59 +08:00
刘祥超	0742dc963d	修复OSS stub	2023-07-15 17:19:08 +08:00
刘祥超	1fdce3ef7e	优化计数器	2023-07-15 11:08:25 +08:00
刘祥超	2079b0ebee	区域封禁增加延时返回	2023-07-14 16:03:58 +08:00
刘祥超	c706f2fdf1	WAF-区域封禁增加提示内容设置	2023-07-14 11:02:20 +08:00
刘祥超	bd3247668d	增加cc使用的若干通用扩展名	2023-07-13 16:20:46 +08:00
刘祥超	73024fe38c	实现新的计数器算法（将时间分片，统计更加精准）	2023-07-13 15:37:08 +08:00
刘祥超	db520858b3	集群设置--网站设置增加“服务器旗标”设置	2023-07-12 17:39:19 +08:00
刘祥超	84c8a351a9	支持页面优化	2023-07-11 19:52:57 +08:00
刘祥超	c6c0823d30	剩余空间使用free blocks代替available blocks	2023-07-09 21:27:04 +08:00
刘祥超	1be64adb6a	版本号改为1.2.1	2023-07-09 17:38:23 +08:00
刘祥超	d0610a5001	优化缓存数据库相关代码	2023-07-08 20:00:27 +08:00
刘祥超	a2f7511a46	优化代码	2023-07-08 18:59:08 +08:00
刘祥超	6e8c886cd6	缓存策略移除“容纳Key数量”选项；缓存占用空间统计改成统计缓存目录所在文件系统	2023-07-08 18:52:57 +08:00
刘祥超	03f2130827	自定义页面中只允许使用pages/目录下文件（兼容以往版本）	2023-07-07 11:50:10 +08:00
刘祥超	9fea0749a0	优化国家/地区、省份封禁	2023-07-07 10:11:49 +08:00
刘祥超	71e0d9ce07	更新相关库	2023-07-06 10:28:28 +08:00
刘祥超	24e69028f8	“集群设置 -- 网站设置”增加“允许记录访问日志”选项	2023-07-05 15:29:26 +08:00
刘祥超	34521dbc5c	优化SSE处理/优化超时设置	2023-07-03 16:23:54 +08:00
刘祥超	2c59ae4a5b	使用自定义 executils.LookPath() 代替 exec.LookPath() 避免因$PATH环境变量被破坏而无法工作	2023-07-03 10:37:36 +08:00
刘祥超	d0bd7bb88d	提交一些公共函数	2023-07-02 17:47:59 +08:00
刘祥超	47c24b4aa8	优化OSS相关代码	2023-07-02 11:10:04 +08:00
刘祥超	4eb58a3082	优化ETag报头	2023-07-02 10:31:08 +08:00
刘祥超	c10c7cc157	优化本地数据库关闭相关代码	2023-06-23 21:50:34 +08:00
刘祥超	7fd8d7756b	优化本地数据库关闭相关代码	2023-06-23 21:32:38 +08:00
刘祥超	032c118f49	修复停止节点时无法正确保存带宽数据到本地文件的Bug	2023-06-23 18:11:27 +08:00
刘祥超	b6cab3919a	改进退出程序时关闭数据库写入	2023-06-23 17:45:39 +08:00
刘祥超	8edd30bdd8	源站支持HTTP/2	2023-06-23 11:43:02 +08:00