diff --git a/MACA.md b/MACA.md
index 8764b23..d3c6b06 100644
--- a/MACA.md
+++ b/MACA.md
@@ -18,10 +18,10 @@
 
   - YUM安装MACA SDK
 
-   ##### 1.安装maca_sdk最新版本
-             ```bash
-             yum install maca_sdk
-             ```
+     - 1.安装maca_sdk最新版本
+         ```bash
+         yum install maca_sdk
+          ```
 
    - **2.安装maca_sdk指定版本**
       ```bash