diff --git a/docs/docker-compose安装指南.md b/docs/docker-compose安装指南.md
index 9d30b59..ac25f8b 100644
--- a/docs/docker-compose安装指南.md
+++ b/docs/docker-compose安装指南.md
@@ -7,6 +7,9 @@
 1. 安装docker
 ```
 curl -sSL https://get.docker.com | bash
+```  
+Centos系统可能需要执行下面命令来启动Docker。
+```
 systemctl enable docker
 systemctl start docker
 ```