diff --git a/zh-cn/application-dev/database/database-distributedobject-guidelines.md b/zh-cn/application-dev/database/database-distributedobject-guidelines.md
index 561ed672949a4f006e85c6c9a7e78307c6e2f4ea..53dc75e7f3baedb7948c726fe12f35415266aacd 100644
--- a/zh-cn/application-dev/database/database-distributedobject-guidelines.md
+++ b/zh-cn/application-dev/database/database-distributedobject-guidelines.md
@@ -258,5 +258,5 @@
 
 针对分布式数据对象，有以下相关实例可供参考：
 - [`DistributedNote`：分布式备忘录(eTS)（API9）（Full SDK）](https://gitee.com/openharmony/applications_app_samples/tree/master/data/DistributedNote)
-- [`DistributedObjectDms`](https://gitee.com/openharmony/applications_app_samples/tree/master/data/DistributedObjectDms)
+- [`DistributedObjectDms`：分布式跑马灯（eTS）（API9）（Full SDK）](https://gitee.com/openharmony/applications_app_samples/tree/master/data/DistributedObjectDms)