Update MACA

MACA.md

@@ -19,6 +19,20 @@
    yum install maca_sdk
    ```
 
+   ### 2.安装maca_sdk指定版本
+   ```bash
+   yum install maca_sdk-<version>-<release>
+   ```
+
+   ### 3.升级maca_sdk到最新版本
+   ```bash
+   yum upgrade maca_sdk
+   ```
+
+   ### 4.卸载maca_sdk
+   ```bash
+   yum remove maca_sdk
+   ```
 
 - **适配所有 Ubuntu 系统**