diff --git a/zh-cn/application-dev/database/database-preference-guidelines.md b/zh-cn/application-dev/database/database-preference-guidelines.md
index 6094421564b42b230011e98f1f66a55e0f239b0c..32584c975dd0ff29d479478bd08672abe4742751 100644
--- a/zh-cn/application-dev/database/database-preference-guidelines.md
+++ b/zh-cn/application-dev/database/database-preference-guidelines.md
@@ -208,4 +208,6 @@
 
 针对首选项开发，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/master/data/Preferences)
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+- [`Preferences`：首选项（ArkTS）（API9）](https://gitee.com/openharmony/applications_app_samples/tree/master/data/Preferences)
+
+- [首选项（ArkTS）（API9）](https://gitee.com/openharmony/codelabs/tree/master/Data/Preferences)
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