diff --git a/zh-cn/application-dev/reference/apis/js-apis-data-preferences.md b/zh-cn/application-dev/reference/apis/js-apis-data-preferences.md
index f693d6687ae339e90785a4cacfa7033d1bd8ed83..5c97b056f785e033a3bf0d9a113510ee560cb9f1 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-data-preferences.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-data-preferences.md
@@ -13,6 +13,8 @@
 import data_Preferences from '@ohos.data.preferences'
 ```
 
+## 系统能力
+SystemCapability.DistributedDataManager.Preferences.Core
 
 ## 权限
 
diff --git a/zh-cn/application-dev/reference/apis/js-apis-data-storage.md b/zh-cn/application-dev/reference/apis/js-apis-data-storage.md
index ad0a05f29d5f6d069a7258183f815b22e8c3b9af..b70fb714ffb235b32515bc7b9279e2c08a46e618 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-data-storage.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-data-storage.md
@@ -13,6 +13,8 @@
 import dataStorage from '@ohos.data.storage'
 ```
 
+## 系统能力
+SystemCapability.DistributedDataManager.Preferences.Core
 
 ## 权限