diff --git a/MACA.md b/MACA.md
index 144b3a0..ed98ecd 100644
--- a/MACA.md
+++ b/MACA.md
@@ -14,15 +14,11 @@
    yum makecache
    ```
 
+   ### 1.安装maca_sdk最新版本
    ```bash
    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
-   ```
-
 
 - **适配所有 Ubuntu 系统**