diff --git "a/docs/zh/docs/A-Ops/\351\205\215\347\275\256\346\272\257\346\272\220\346\234\215\345\212\241\344\275\277\347\224\250\346\211\213\345\206\214.md" "b/docs/zh/docs/A-Ops/\351\205\215\347\275\256\346\272\257\346\272\220\346\234\215\345\212\241\344\275\277\347\224\250\346\211\213\345\206\214.md"
index 460cef1a85a9b4f358b8c4bbe7c0b32c111878d9..e80b20a0eb06d4c682926aa103aebbb6012632bb 100644
--- "a/docs/zh/docs/A-Ops/\351\205\215\347\275\256\346\272\257\346\272\220\346\234\215\345\212\241\344\275\277\347\224\250\346\211\213\345\206\214.md"
+++ "b/docs/zh/docs/A-Ops/\351\205\215\347\275\256\346\272\257\346\272\220\346\234\215\345\212\241\344\275\277\347\224\250\346\211\213\345\206\214.md"
@@ -7,22 +7,22 @@ gala-ragdoll的使用指导
 
 - 通过yum挂载repo源实现
 
-  配置yum源：openEuler21.09 和 openEuler21.09:Epol，repo源路径：/etc/yum.repos.d/openEuler.repo。
+  配置yum源：openEuler20.03 和 openEuler20.03:Epol，repo源路径：/etc/yum.repos.d/openEuler.repo。
 
   ```ini
-  [openEuler21.09] # openEuler 21.09 官方发布源
-  name=openEuler21.09
-  baseurl=https://repo.openeuler.org/openEuler-21.09/everything/$basearch/ 
+  [openEuler20.03] # openEuler 20.03 官方发布源
+  name=openEuler20.03
+  baseurl=https://repo.openeuler.org/openEuler-20.03-LTS/everything/$basearch/ 
   enabled=1
   gpgcheck=1
-  gpgkey=https://repo.openeuler.org/openEuler-21.09/everything/$basearch/RPM-GPG-KEY-openEuler
+  gpgkey=https://repo.openeuler.org/openEuler-20.03-LTS/everything/$basearch/RPM-GPG-KEY-openEuler
   
-  [Epol] # openEuler 21.09:Epol 官方发布源
+  [Epol] # openEuler 20.03:Epol 官方发布源
   name=Epol
-  baseurl=https://repo.openeuler.org/openEuler-21.09/EPOL/main/$basearch/ 
+  baseurl=https://repo.openeuler.org/openEuler-20.03-LTS/EPOL/main/$basearch/ 
   enabled=1
   gpgcheck=1
-  gpgkey=https://repo.openeuler.org/openEuler-21.09/OS/$basearch/RPM-GPG-KEY-openEuler
+  gpgkey=https://repo.openeuler.org/openEuler-20.03-LTS/OS/$basearch/RPM-GPG-KEY-openEuler
   ```
 
   然后执行如下指令下载以及安装gala-ragdoll及其依赖。
@@ -80,10 +80,10 @@ step_list:
 ```
 [OS]
 name=OS
-baseurl=http://repo.openeuler.org/openEuler-20.09/OS/$basearch/
+baseurl=http://repo.openeuler.org/openEuler-20.03-LTS/OS/$basearch/
 enabled=1
 gpgcheck=1
-gpgkey=http://repo.openeuler.org/openEuler-20.09/OS/$basearch/RPM-GPG-KEY-openEuler
+gpgkey=http://repo.openeuler.org/openEuler-20.03-LTS/OS/$basearch/RPM-GPG-KEY-openEuler
 ```
 
 ### yang模型介绍