diff --git a/services/http.go b/services/http.go
index 2e04a1e..eea3267 100644
--- a/services/http.go
+++ b/services/http.go
@@ -239,11 +239,11 @@ func (s *HTTP) OutToTCP(useProxy bool, address string, inConn *net.Conn, req *ut
 	}
 
 	utils.IoBind((*inConn), outConn, func(err error) {
-		log.Printf("conn %s - %s - %s - %s released [%s]", inAddr, inLocalAddr, outLocalAddr, outAddr, req.Host)
+		log.Printf("conn %s - %s released [%s]", inAddr, outAddr, req.Host)
 		utils.CloseConn(inConn)
 		utils.CloseConn(&outConn)
 	})
-	log.Printf("conn %s - %s - %s - %s connected [%s]", inAddr, inLocalAddr, outLocalAddr, outAddr, req.Host)
+	log.Printf("conn %s - %s connected [%s]", inAddr, outAddr, req.Host)
 
 	return
 }
diff --git a/services/socks.go b/services/socks.go
index c4e50f8..8dbe6f9 100644
--- a/services/socks.go
+++ b/services/socks.go
@@ -431,11 +431,11 @@ func (s *Socks) proxyTCP(inConn *net.Conn, methodReq socks.MethodsRequest, reque
 
 	request.TCPReply(socks.REP_SUCCESS)
 	inAddr := (*inConn).RemoteAddr().String()
-	inLocalAddr := (*inConn).LocalAddr().String()
+	//inLocalAddr := (*inConn).LocalAddr().String()
 
-	log.Printf("conn %s - %s connected [%s]", inAddr, inLocalAddr, request.Addr())
+	log.Printf("conn %s - %s connected", inAddr, request.Addr())
 	utils.IoBind(*inConn, outConn, func(err error) {
-		log.Printf("conn %s - %s released [%s]", inAddr, inLocalAddr, request.Addr())
+		log.Printf("conn %s - %s released", inAddr, request.Addr())
 		utils.CloseConn(inConn)
 		utils.CloseConn(&outConn)
 	})
diff --git a/services/tcp.go b/services/tcp.go
index 758046e..a11b4f2 100644
--- a/services/tcp.go
+++ b/services/tcp.go
@@ -102,15 +102,15 @@ func (s *TCP) OutToTCP(inConn *net.Conn) (err error) {
 		return
 	}
 	inAddr := (*inConn).RemoteAddr().String()
-	inLocalAddr := (*inConn).LocalAddr().String()
+	//inLocalAddr := (*inConn).LocalAddr().String()
 	outAddr := outConn.RemoteAddr().String()
-	outLocalAddr := outConn.LocalAddr().String()
+	//outLocalAddr := outConn.LocalAddr().String()
 	utils.IoBind((*inConn), outConn, func(err error) {
-		log.Printf("conn %s - %s - %s - %s released", inAddr, inLocalAddr, outLocalAddr, outAddr)
+		log.Printf("conn %s - %s released", inAddr, outAddr)
 		utils.CloseConn(inConn)
 		utils.CloseConn(&outConn)
 	})
-	log.Printf("conn %s - %s - %s - %s connected", inAddr, inLocalAddr, outLocalAddr, outAddr)
+	log.Printf("conn %s - %s connected", inAddr, outAddr)
 	return
 }
 func (s *TCP) OutToUDP(inConn *net.Conn) (err error) {
diff --git a/utils/functions.go b/utils/functions.go
index c3a331c..eabeab9 100755
--- a/utils/functions.go
+++ b/utils/functions.go
@@ -38,8 +38,8 @@ func IoBind(dst io.ReadWriter, src io.ReadWriter, fn func(err error)) {
 					log.Printf("IoBind crashed , err : %s , \ntrace:%s", e, string(debug.Stack()))
 				}
 			}()
-
-			_, e := io.Copy(dst, src)
+			e := ioCopy(dst, src)
+			//_, e := io.Copy(dst, src)
 			e1 <- e
 		}()
 		go func() {
@@ -48,8 +48,8 @@ func IoBind(dst io.ReadWriter, src io.ReadWriter, fn func(err error)) {
 					log.Printf("IoBind crashed , err : %s , \ntrace:%s", e, string(debug.Stack()))
 				}
 			}()
-
-			_, e := io.Copy(src, dst)
+			//_, e := io.Copy(src, dst)
+			e := ioCopy(src, dst)
 			e2 <- e
 		}()
 		var err error
@@ -62,7 +62,21 @@ func IoBind(dst io.ReadWriter, src io.ReadWriter, fn func(err error)) {
 		fn(err)
 	}()
 }
-
+func ioCopy(dst io.ReadWriter, src io.ReadWriter) (err error) {
+	buf := make([]byte, 32*1024)
+	n := 0
+	for {
+		n, err = src.Read(buf)
+		if n > 0 {
+			if _, e := dst.Write(buf[0:n]); e != nil {
+				return e
+			}
+		}
+		if err != nil {
+			return
+		}
+	}
+}
 func TlsConnectHost(host string, timeout int, certBytes, keyBytes []byte) (conn tls.Conn, err error) {
 	h := strings.Split(host, ":")
 	port, _ := strconv.Atoi(h[1])