diff --git a/zh-cn/application-dev/database/data-sync-of-rdb-store.md b/zh-cn/application-dev/database/data-sync-of-rdb-store.md
index 6a9a67714174a2ffecd4927fcd09bcdfeb1e4363..a8647330a64c450b2b8cf0b44435e8be4ba188ee 100644
--- a/zh-cn/application-dev/database/data-sync-of-rdb-store.md
+++ b/zh-cn/application-dev/database/data-sync-of-rdb-store.md
@@ -175,8 +175,11 @@
 
 针对关系型数据库开发，有以下相关实例可供参考：
 
-- [分布式组网认证（ArkTS）（Full SDK）（API10）](https://gitee.com/openharmony/applications_app_samples/tree/master/code/SuperFeature/DistributedAppDev/DistributedAuthentication)
+- [分布式组网认证（ArkTS）（Full SDK）（API10）](https://gitee.com/openharmony/applications_app_samples/tree/OpenHarmony-4.0-
+Beta2/code/SuperFeature/DistributedAppDev/DistributedAuthentication)
 
--[分布式关系型数据库（ArkTS）（Full SDK）（API10）](https://gitee.com/openharmony/applications_app_samples/tree/master/code/SuperFeature/DistributedAppDev/DistributedRdb)
+-[分布式关系型数据库（ArkTS）（Full SDK）（API10）](https://gitee.com/openharmony/applications_app_samples/tree/OpenHarmony-4.0-
+Beta2/code/SuperFeature/DistributedAppDev/DistributedRdb)
 
-- [分布式帐号（ArkTS）（Full SDK）（API10）](https://gitee.com/openharmony/applications_app_samples/tree/master/code/SuperFeature/DistributedAppDev/DistributedAccount)
\ No newline at end of file
+- [分布式帐号（ArkTS）（Full SDK）（API10）](https://gitee.com/openharmony/applications_app_samples/tree/OpenHarmony-4.0-
+Beta2/code/SuperFeature/DistributedAppDev/DistributedAccount)
\ No newline at end of file