diff --git a/api/@ohos.notification.d.ts b/api/@ohos.notification.d.ts
index 9f9beac74a1abd7b35c879012be22866541fac3f..de8c1ae964c8f72e7c88fe2137b74e05d63fd643 100644
--- a/api/@ohos.notification.d.ts
+++ b/api/@ohos.notification.d.ts
@@ -1135,7 +1135,7 @@ declare namespace notification {
    * Describes a NotificationFlags instance.
    *
    * @since 9
-   * @permission N/A
+   * @systemapi Hide this for inner system use.
    * @syscap SystemCapability.Notification.Notification
    * @deprecated since 9
    * @useinstead ohos.notificationManager.NotificationFlags
diff --git a/api/@ohos.notificationManager.d.ts b/api/@ohos.notificationManager.d.ts
index b7f53c64819767892695dcb13e13221271cb7d37..e35bfb4fcd63f8a38601ceed08799d05c114649a 100644
--- a/api/@ohos.notificationManager.d.ts
+++ b/api/@ohos.notificationManager.d.ts
@@ -1341,6 +1341,7 @@ declare namespace notificationManager {
   /**
    * Describes a NotificationFlags instance.
    * @syscap SystemCapability.Notification.Notification
+   * @systemapi
    * @since 9
    */
   export type NotificationFlags = _NotificationFlags