update zh-cn/application-dev/reference/apis/Readme-CN.md.

Signed-off-by: N@ge-yafang <geyafang@huawei.com>

zh-cn/application-dev/reference/apis/Readme-CN.md

@@ -111,7 +111,7 @@
   - [@ohos.data.dataAbility (DataAbility谓词)](js-apis-data-ability.md)
   - [@ohos.data.distributedData (分布式数据管理)](js-apis-distributed-data.md)
   - [@ohos.data.distributedDataObject (分布式数据对象)](js-apis-data-distributedobject.md)
-  - [@ohos.data.preferences (轻量级存储)](js-apis-data-preferences.md)
+  - [@ohos.data.preferences (首选项)](js-apis-data-preferences.md)
   - [@ohos.data.rdb (关系型数据库)](js-apis-data-rdb.md)
   - [@ohos.settings (设置数据项名称)](js-apis-settings.md)
   - data/rdb/[resultSet (结果集)](js-apis-data-resultset.md)