fix link problem in fa-formability.md

Signed-off-by: NRayShih <shirui721@huawei.com>

en/application-dev/ability/fa-formability.md

@@ -231,7 +231,7 @@ You should override **onDestroy** to delete widget data.
        }
 ```
 
-For details about the persistence method, see [Lightweight Data Store Development](../database/database-preference-guidelines.md).
+For details about the persistence method, see [Lightweight Data Store Development](../database/database-storage-guidelines.md).
 
 Note that the **Want** passed by the widget host to the widget provider contains a temporary flag, indicating whether the requested widget is a temporary one.
 

zh-cn/application-dev/ability/fa-formability.md

@@ -231,7 +231,7 @@ Form需要在应用配置文件config.json中进行配置。
        }
 ```
 
-具体的持久化方法可以参考[轻量级数据存储开发指导](../database/database-preference-guidelines.md)。
+具体的持久化方法可以参考[轻量级数据存储开发指导](../database/database-storage-guidelines.md)。
 
 需要注意的是，卡片使用方在请求卡片时传递给提供方应用的Want数据中存在临时标记字段，表示此次请求的卡片是否为临时卡片：