diff --git a/zh-CN/2.deployment-guide/3.installation-planning/1.user-planning.md b/zh-CN/2.deployment-guide/3.installation-planning/1.user-planning.md
index 48a6167ac5b0e0d376a319cf0f46385a9dad2c59..957831ab5ae16516dceb5b323127d60defdd1eaa 100644
--- a/zh-CN/2.deployment-guide/3.installation-planning/1.user-planning.md
+++ b/zh-CN/2.deployment-guide/3.installation-planning/1.user-planning.md
@@ -56,7 +56,7 @@
 4. 在 `/home` 目录下执行以下命令，查看目录权限。
 
    ```unknow
-   ls --al
+   ls -al
    ```