diff --git a/docs/deploy/linux.md b/docs/deploy/linux.md
index 60ba4e0a..e697bb25 100644
--- a/docs/deploy/linux.md
+++ b/docs/deploy/linux.md
@@ -49,7 +49,15 @@ OpenEuler的安装和Centos差不多，这里不详细说明了，就把几个
 ## 系统配置
 
 ### 更新系统(不能访问外网请忽略)
-
+首先切换系统yum源为国内地址，加快更新速度。
+```bash
+sed -e 's|http://repo.openeuler.org/|https://mirrors.ustc.edu.cn/openeuler/|g' \          -e 's|https://mirrors.openeuler.org/|https://mirrors.ustc.edu.cn/openeuler/|g' \          -i.bak \          /etc/yum.repos.d/openEuler.repo
+```
+创建索引缓存
+```bash
+yum makecache
+```
+执行更新操作
 ```bash
 yum update -y
 ```