update zh-cn/application-dev/database/data-sync-of-kv-store.md.

Signed-off-by: N葛亚芳 <geyafang@huawei.com>

zh-cn/application-dev/database/data-sync-of-kv-store.md

@@ -281,6 +281,10 @@
 
 针对键值型数据库开发，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)
+
+- [分布式数据管理（ArkTS）（Full SDK）（API9）](https://gitee.com/openharmony/applications_app_samples/tree/master/code/SuperFeature/DistributedAppDev/Kvstore)
+
 - [分布式五子棋（ArkTS）（Full SDK）（API9）](https://gitee.com/openharmony/applications_app_samples/tree/master/code/Solutions/Game/DistributedDataGobang)
 
 - [分布式手写板（ArkTS）（Full SDK）（API10）](https://gitee.com/openharmony/codelabs/tree/master/Distributed/DistributeDraw)
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