diff --git a/.appveyor.yml b/.appveyor.yml
index b01b8a207..9476071e5 100644
--- a/.appveyor.yml
+++ b/.appveyor.yml
@@ -9,7 +9,7 @@ install:
   # by default, all script lines are interpreted as batch
   - cmd: git clone -q --branch=master https://github.com/aliyun/aliyun-openapi-meta.git C:\Users\appveyor\go\src\github.com\aliyun\aliyun-openapi-meta
   - cmd: set path=%path%;C:\Users\appveyor\go\bin
-  - cmd: set VERSION=3.0.49
+  - cmd: set VERSION=3.0.50
   - cmd: go get -u github.com/shuLhan/go-bindata/...  
   - cmd: go-bindata -o resource/metas.go -pkg resource -prefix ../aliyun-openapi-meta ../aliyun-openapi-meta/...
   - cmd: go build -ldflags "-X 'github.com/aliyun/aliyun-cli/cli.Version=%VERSION%'" -o C:\Users\appveyor\go\bin\aliyun.exe main/main.go
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 98cc25856..fe9213f4b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,10 @@
 
 ### Master
 
+### 3.0.50
+
+- update: meta data
+
 ### 3.0.49
 
 - update: meta data
diff --git a/Makefile b/Makefile
index 822bfc240..0345f0172 100644
--- a/Makefile
+++ b/Makefile
@@ -1,4 +1,4 @@
-export VERSION=3.0.49
+export VERSION=3.0.50
 export RELEASE_PATH="releases/aliyun-cli-${VERSION}"
 
 all: build
diff --git a/README-CN.md b/README-CN.md
index 781969702..4cae5478a 100644
--- a/README-CN.md
+++ b/README-CN.md
@@ -40,11 +40,11 @@ CLI 版本更改说明请参考 [CHANGELOG](./CHANGELOG.md)
 
   阿里云CLI工具下载、解压后即可使用，支持Mac, Linux, Windows平台(x64版本)。您可以将解压的`aliyun`可执行文件移至`/usr/local/bin`目录下，或添加到`$PATH`中。
 
-  下载链接如下 (3.0.49)：
+  下载链接如下 (3.0.50)：
 
-  - [Mac](https://aliyuncli.alicdn.com/aliyun-cli-macosx-3.0.49-amd64.tgz)
-  - [Linux](https://aliyuncli.alicdn.com/aliyun-cli-linux-3.0.49-amd64.tgz)
-  - [Windows (64 bit)](https://aliyuncli.alicdn.com/aliyun-cli-windows-3.0.49-amd64.zip)
+  - [Mac](https://aliyuncli.alicdn.com/aliyun-cli-macosx-3.0.50-amd64.tgz)
+  - [Linux](https://aliyuncli.alicdn.com/aliyun-cli-linux-3.0.50-amd64.tgz)
+  - [Windows (64 bit)](https://aliyuncli.alicdn.com/aliyun-cli-windows-3.0.50-amd64.zip)
 
 - **使用brew**
 
diff --git a/README.md b/README.md
index 553391827..add7bbadd 100644
--- a/README.md
+++ b/README.md
@@ -38,11 +38,11 @@ The release notes for the CLI can be found in the [CHANGELOG](./CHANGELOG.md)
 
   Download the installer, then extract the installer. You can move the extracted `aliyun` executable file to the `/usr/local/bin` directory or add it to the `$PATH`.
 
-  Download link: (3.0.49)
+  Download link: (3.0.50)
 
-  - [Mac](https://aliyuncli.alicdn.com/aliyun-cli-macosx-3.0.49-amd64.tgz)
-  - [Linux](https://aliyuncli.alicdn.com/aliyun-cli-linux-3.0.49-amd64.tgz)
-  - [Windows (64 bit)](https://aliyuncli.alicdn.com/aliyun-cli-windows-3.0.49-amd64.zip)
+  - [Mac](https://aliyuncli.alicdn.com/aliyun-cli-macosx-3.0.50-amd64.tgz)
+  - [Linux](https://aliyuncli.alicdn.com/aliyun-cli-linux-3.0.50-amd64.tgz)
+  - [Windows (64 bit)](https://aliyuncli.alicdn.com/aliyun-cli-windows-3.0.50-amd64.zip)
 
 - **Use brew**
 If you have installed `brew` in your computer, you can use it to install Alibaba Cloud CLI as following: