diff --git a/Maca3.0.md b/Maca3.0.md
index 8d27513..08a5c1c 100644
--- a/Maca3.0.md
+++ b/Maca3.0.md
@@ -15,17 +15,24 @@
 
 1. **添加仓库并更新缓存**
 
-   ```
-   curl -o /etc/yum.repos.d/maca.repo https://mirrors.metax-tech.com/maca-sdk-rpm.repo
-   yum makecache
-   ```
+   ```bash
+ cat <<EOF> /etc/yum.repos.d/maca-sdk-rpm.repo 
+[maca]
+name=Maca Yum Repository
+baseurl=https://mirror.metax-tech.com/maca-sdk-rpm/
+enabled=1
+gpgcheck=0
+EOF
+
+yum makecache
+
+
 
 ### 安装 DEB 包
 
 2. **添加仓库并更新缓存**
 
-   ```
+   ```bash
    curl -fsSL https://mirror.metax-tech.com/nexus_pub.asc | apt-key add -
    echo "deb [arch=$(dpkg --print-architecture)] https://mirrors.metax-tech.com/maca-sdk-deb/ stable main" | tee /etc/apt/sources.list.d/maca-sdk-deb.list
    apt-get update
-   ```