diff --git a/tunnel/connection.go b/tunnel/connection.go
index 1aba6238..fe1e72b2 100644
--- a/tunnel/connection.go
+++ b/tunnel/connection.go
@@ -29,9 +29,9 @@ func handleHTTP(ctx *context.HTTPContext, outbound net.Conn) {
 	for {
 		keepAlive := strings.TrimSpace(strings.ToLower(req.Header.Get("Proxy-Connection"))) == "keep-alive"
 
-		req.Header.Set("Connection", "close")
 		req.RequestURI = ""
 		inbound.RemoveHopByHopHeaders(req.Header)
+		req.Header.Set("Connection", "close")
 		err := req.Write(outbound)
 		if err != nil {
 			break
@@ -72,14 +72,6 @@ func handleHTTP(ctx *context.HTTPContext, outbound net.Conn) {
 			break
 		}
 
-		// even if resp.Write write body to the connection, but some http request have to Copy to close it
-		buf := pool.Get(pool.RelayBufferSize)
-		_, err = io.CopyBuffer(conn, resp.Body, buf)
-		pool.Put(buf)
-		if err != nil && err != io.EOF {
-			break
-		}
-
 		req, err = http.ReadRequest(inboundReader)
 		if err != nil {
 			break