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 c5295ad04889ea72af89cbed200af266f4ec1074..2782c02b6b105c5e40fe78755143e66ed8637dee 100644
--- a/zh-cn/application-dev/database/data-persistence-by-preferences.md
+++ b/zh-cn/application-dev/database/data-persistence-by-preferences.md
@@ -232,4 +232,6 @@
 
 - [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
+- [备忘录（ArkTS）（API9）](https://gitee.com/openharmony/codelabs/tree/master/Data/NotePadOpenHarmony)
+
+- [应用的首次启动（ArkTS）（API9）](https://gitee.com/openharmony/codelabs/tree/master/Data/FirstStartDemo)
\ No newline at end of file