diff --git a/MACA.md b/MACA.md
index 7a53549..144b3a0 100644
--- a/MACA.md
+++ b/MACA.md
@@ -18,10 +18,10 @@
    yum install maca_sdk
    ```
 
-### 升级pip
-```
-pip3 install --upgrade pip -i http://repo.metax-tech.com/r/pypi/simple --trusted-host repo.metax-tech.com
-```
+   ### 升级pip
+   ```
+   pip3 install --upgrade pip -i http://repo.metax-tech.com/r/pypi/simple --trusted-host repo.metax-tech.com
+   ```
 
 
 - **适配所有 Ubuntu 系统**