Update MACA

MACA.md

@@ -14,28 +14,27 @@
    yum makecache
    ```
 
+#### YUM安装MACA SDK
 
-  - **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
-         yum install maca_sdk-<version>-<release>
-         ```
+   - **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
-         ```
+   - **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
-         ```
+   - **4.卸载maca_sdk**
+      ```bash
+      yum remove maca_sdk
+      ```
 
 -  **适配所有 Ubuntu 系统**