diff --git a/MACA.md b/MACA.md
index a2e0873..2abca09 100644
--- a/MACA.md
+++ b/MACA.md
@@ -14,22 +14,22 @@
    yum makecache
    ```
 
-### 使用方法
+### 安装
 
    -  **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