diff --git a/MACA.md b/MACA.md
index 07ac014..e5d6163 100644
--- a/MACA.md
+++ b/MACA.md
@@ -16,7 +16,7 @@
 
 #### YUM安装MACA SDK
 
-   -  **1.安装maca_sdk最新版本**
+   ##### 1.安装maca_sdk最新版本
       ```bash
       yum install maca_sdk
       ```