diff --git a/MACA.md b/MACA.md
index b56693d..8635476 100644
--- a/MACA.md
+++ b/MACA.md
@@ -14,6 +14,8 @@
    yum makecache
    ```
 
+#### yum安装maca_sdk
+
    -  **1.安装maca_sdk最新版本**
       ```bash
       yum install maca_sdk