diff --git a/README_ZH.md b/README_ZH.md
index 07b2ebc..59a0aef 100644
--- a/README_ZH.md
+++ b/README_ZH.md
@@ -38,7 +38,7 @@ Proxy是golang实现的高性能http,https,websocket,tcp,udp,socks5代理服务
 - ...  
 
  
-本页是v5.1手册,其他版本手册请点击[这里](docs/old-release.md)查看. 
+本页是v5.2手册,其他版本手册请点击[这里](docs/old-release.md)查看. 
  
 
 ### 怎么找到组织?  
diff --git a/docs/old-release.md b/docs/old-release.md
index aba1110..7204b03 100644
--- a/docs/old-release.md
+++ b/docs/old-release.md
@@ -1,5 +1,6 @@
 # Old Versions of Proxy
 
+- [v5.1手册](https://github.com/snail007/goproxy/tree/v5.1) 
 - [v5.0手册](https://github.com/snail007/goproxy/tree/v5.0) 
 - [v4.9手册](https://github.com/snail007/goproxy/tree/v4.9) 
 - [v4.8手册](https://github.com/snail007/goproxy/tree/v4.8) 
diff --git a/install_auto.sh b/install_auto.sh
index 6f1723f..63b7672 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/v5.1/proxy-linux-amd64.tar.gz
+wget https://github.com/snail007/goproxy/releases/download/v5.2/proxy-linux-amd64.tar.gz
 
 # #install proxy
 tar zxvf proxy-linux-amd64.tar.gz
diff --git a/main.go b/main.go
index 66239c7..9d56bb9 100644
--- a/main.go
+++ b/main.go
@@ -9,7 +9,7 @@ import (
 	"github.com/snail007/goproxy/services"
 )
 
-const APP_VERSION = "5.1"
+const APP_VERSION = "5.2"
 
 func main() {
 	err := initConfig()
diff --git a/release.sh b/release.sh
index 2c505c5..19c7481 100755
--- a/release.sh
+++ b/release.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-VER="5.1"
+VER="5.2"
 RELEASE="release-${VER}"
 rm -rf .cert
 mkdir .cert