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 053c6aa4265bbce0d6f78bccc21f1c875e903bd9..d9a427fa5e17f3a4ab2e6f958194cc76e43587a9 100644
--- a/zh-cn/application-dev/database/data-persistence-by-preferences.md
+++ b/zh-cn/application-dev/database/data-persistence-by-preferences.md
@@ -253,7 +253,9 @@
 
 针对用户首选项开发，有以下相关实例可供参考：
 
-- [`Preferences`：首选项（ArkTS）（API9）](https://gitee.com/openharmony/applications_app_samples/tree/OpenHarmony-3.2-Release/code/BasicFeature/DataManagement/Preferences)
+- [图案密码锁（ArkTS）（API9）](https://gitee.com/openharmony/applications_app_samples/tree/OpenHarmony-3.2-Release/code/Solutions/Tools/PatternLock)
+
+- [首选项（ArkTS）（API9）](https://gitee.com/openharmony/applications_app_samples/tree/OpenHarmony-3.2-Release/code/BasicFeature/DataManagement/Preferences)
 
 - [首选项（ArkTS）（API9）](https://gitee.com/openharmony/codelabs/tree/master/Data/Preferences)