diff --git a/MACA.md b/MACA.md
index 39caec2..97b5bc0 100644
--- a/MACA.md
+++ b/MACA.md
@@ -85,7 +85,7 @@
    yum makecache
    ```
 
-### 安装
+#### 安装
 
    -  **1.正常安装驱动**
       ```bash