diff --git a/README.md b/README.md
index bd9964b..564955d 100644
--- a/README.md
+++ b/README.md
@@ -64,6 +64,7 @@ git config --global credential.helper store
 mkdir -p /app && cd /app
 git clone http://git.jianshixingqiu.com/offerpai/global-nginx-config.git
 cd global-nginx-config
+git checkout master
 ```
 
 ### 7. 启动服务