diff --git a/README.md b/README.md
index 5aae32f..c896850 100644
--- a/README.md
+++ b/README.md
@@ -6,5 +6,10 @@
 
 获取的方式如下代码：
 ``` bash
+docker pull huajishe.fun:8888/testing
+```
+
+如提示类似**Permission Denied**，则需要**Super User**身份
+``` linux
 sudo docker pull huajishe.fun:8888/testing
 ```
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