修复一处HTTPS错误提示

internal/const/const.go

@@ -1,7 +1,7 @@
 package teaconst
 
 const (
-	Version = "0.5.0"
+	Version = "0.5.1"
 
 	ProductName = "Edge Node"
 	ProcessName = "edge-node"

internal/nodes/http_request_reverse_proxy.go

@@ -253,7 +253,7 @@ func (this *HTTPRequest) doOriginRequest(failedOriginIds []int64, failedLnNodeId
 	}
 
 	// 在HTTP/2下需要防止因为requestBody而导致Content-Length为空的问题
-	if this.RawReq.ProtoMajor == 2 && this.RawReq.ContentLength == 0 {
+	if this.RawReq.ProtoMajor == 2 && this.RawReq.ContentLength == 0 && this.RawReq.Body != nil {
 		_ = this.RawReq.Body.Close()
 		this.RawReq.Body = nil
 	}