diff --git a/MACA.md b/MACA.md
index d3c6b06..ba9f835 100644
--- a/MACA.md
+++ b/MACA.md
@@ -14,9 +14,8 @@
    yum makecache
    ```
 
-  - 详细说明
 
-  - YUM安装MACA SDK
+  -  **YUM安装MACA SDK**
 
      - 1.安装maca_sdk最新版本
          ```bash