Update README.md

Author: lixiaojun629

README.md

@@ -8,8 +8,8 @@ The UCloud Command Line Interface is a tool to manage your UCloud services. It's
 You can install UCloud CLI by downloading executable binary file or building from the source code by yourself.
 
 * Download binary file:
-[Mac](https://github.com/ucloud/ucloud-cli/releases/download/v0.1.1/ucloud-cli-darwin-amd64.tar.gz) [Linux](https://github.com/ucloud/ucloud-cli/releases/download/v0.1.1/ucloud-cli-linux-amd64.tar.gz)
-[Windows](https://github.com/ucloud/ucloud-cli/releases/download/v0.1.1/ucloud-cli-windows-amd64.exe.zip)
+[Mac](https://github.com/ucloud/ucloud-cli/releases/download/0.1.1/ucloud-cli-macosx-0.1.1-amd64.tgz) [Linux](https://github.com/ucloud/ucloud-cli/releases/download/0.1.1/ucloud-cli-linux-0.1.1-amd64.tgz)
+[Windows](https://github.com/ucloud/ucloud-cli/releases/download/0.1.1/ucloud-cli-windows-0.1.1-amd64.zip)
 
 Download the binary file and extract to /usr/local/bin directory or add it to the $PATH