diff --git a/MACA.md b/MACA.md
index 18cf0e8..9749bfe 100644
--- a/MACA.md
+++ b/MACA.md
@@ -350,6 +350,8 @@
       ```
 
   - **7.通过requirements.txt安装**
+
+      1.maca-pypi源地址预设在requirement.txt 文件中，用户执行命令不需关注maca-pypi url
       ```bash
       cat <<EOF>  ./requirements.txt
 	  -i https://repos.metax-tech.com/r/maca-pypi/simple
@@ -369,7 +371,7 @@
      pip install -r ./requirements.txt
 	 
 	 ```
-	 
+	 2.在命令行中指定 maca-pypi 源地址
       ```bash
       cat <<EOF>  ./requirements.txt
       apex