diff --git a/CHANGELOG b/CHANGELOG
index 38e7efa..3d81cbd 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,4 +1,7 @@
 proxy更新日志
+v4.7
+1.优化了bridge的日志,增加了client和server的掉线日志.
+
 v4.6
 1.sps,http(s),socks5,内网穿透都做了大量的超时优化处理,更加稳定.
 2.sps增加了强大的树形级联认证支持,可以轻松构建你的认证代理网络.
diff --git a/README_ZH.md b/README_ZH.md
index 81fb1b0..54de418 100644
--- a/README_ZH.md
+++ b/README_ZH.md
@@ -35,7 +35,8 @@ Proxy是golang实现的高性能http,https,websocket,tcp,udp,socks5代理服务
 - ...  
 
  
-本页是v4.6手册,其他版本手册请点击下面链接查看. 
+本页是v4.7手册,其他版本手册请点击下面链接查看. 
+- [v4.6手册](https://github.com/snail007/goproxy/tree/v4.6) 
 - [v4.5手册](https://github.com/snail007/goproxy/tree/v4.5) 
 - [v4.4手册](https://github.com/snail007/goproxy/tree/v4.4) 
 - [v4.3手册](https://github.com/snail007/goproxy/tree/v4.3) 
@@ -149,7 +150,7 @@ curl -L https://raw.githubusercontent.com/snail007/goproxy/master/install_auto.s
 下载地址:https://github.com/snail007/goproxy/releases  
 ```shell  
 cd /root/proxy/  
-wget https://github.com/snail007/goproxy/releases/download/v4.6/proxy-linux-amd64.tar.gz  
+wget https://github.com/snail007/goproxy/releases/download/v4.7/proxy-linux-amd64.tar.gz  
 ```  
 #### **2.下载自动安装脚本**  
 ```shell  
diff --git a/install_auto.sh b/install_auto.sh
index 69df125..fac84d2 100755
--- a/install_auto.sh
+++ b/install_auto.sh
@@ -5,7 +5,7 @@ if [ -e /tmp/proxy ]; then
 fi
 mkdir /tmp/proxy
 cd /tmp/proxy
-wget https://github.com/snail007/goproxy/releases/download/v4.6/proxy-linux-amd64.tar.gz
+wget https://github.com/snail007/goproxy/releases/download/v4.7/proxy-linux-amd64.tar.gz
 
 # #install proxy
 tar zxvf proxy-linux-amd64.tar.gz
diff --git a/main.go b/main.go
index 139d970..bd047ee 100644
--- a/main.go
+++ b/main.go
@@ -8,7 +8,7 @@ import (
 	"syscall"
 )
 
-const APP_VERSION = "4.6"
+const APP_VERSION = "4.7"
 
 func main() {
 	err := initConfig()
diff --git a/release.sh b/release.sh
index 965d039..7426d55 100755
--- a/release.sh
+++ b/release.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-VER="4.6"
+VER="4.7"
 RELEASE="release-${VER}"
 rm -rf .cert
 mkdir .cert
diff --git a/services/mux_bridge.go b/services/mux_bridge.go
index ec57b1f..c2d51fd 100644
--- a/services/mux_bridge.go
+++ b/services/mux_bridge.go
@@ -104,6 +104,7 @@ func (s *MuxBridge) handler(inConn net.Conn) {
 			if err != nil {
 				session.Close()
 				utils.CloseConn(&inConn)
+				log.Printf("server connection %s %s released", serverID, key)
 				return
 			}
 			go s.callback(stream, serverID, key)
@@ -144,6 +145,7 @@ func (s *MuxBridge) handler(inConn net.Conn) {
 					defer s.l.Unlock()
 					if sess, ok := group.Get(index); ok && sess.(*smux.Session).IsClosed() {
 						group.Remove(index)
+						log.Printf("client connection %s released", key)
 					}
 					if group.IsEmpty() {
 						s.clientControlConns.Remove(groupKey)
diff --git a/services/sps.go b/services/sps.go
index 590e6d9..5d99564 100644
--- a/services/sps.go
+++ b/services/sps.go
@@ -230,6 +230,7 @@ func (s *SPS) OutToTCP(inConn *net.Conn) (err error) {
 		if u != "" {
 			pb.Write([]byte(fmt.Sprintf("Proxy-Authorization:Basic %s\r\n", base64.StdEncoding.EncodeToString([]byte(u)))))
 		}
+		pb.Write([]byte("\r\n"))
 		outConn.SetDeadline(time.Now().Add(time.Millisecond * time.Duration(*s.cfg.Timeout)))
 		_, err = outConn.Write(pb.Bytes())
 		outConn.SetDeadline(time.Time{})