diff --git a/zh-cn/application-dev/database/data-persistence-by-preferences.md b/zh-cn/application-dev/database/data-persistence-by-preferences.md
index f4439d6c5cef052eea4344654240c2ac9000615c..c5295ad04889ea72af89cbed200af266f4ec1074 100644
--- a/zh-cn/application-dev/database/data-persistence-by-preferences.md
+++ b/zh-cn/application-dev/database/data-persistence-by-preferences.md
@@ -230,4 +230,6 @@
 
 - [首选项（ArkTS）（API9）](https://gitee.com/openharmony/codelabs/tree/master/Data/Preferences)
 
-- [用户首选项（JS）（API9）](https://gitee.com/openharmony/codelabs/tree/master/Data/PreferenceJS)
\ No newline at end of file
+- [用户首选项（JS）（API9）](https://gitee.com/openharmony/codelabs/tree/master/Data/PreferenceJS)
+
+- [备忘录（ArkTS）（API9）](https://gitee.com/openharmony/codelabs/tree/master/Data/NotePadOpenHarmony)
\ No newline at end of file