diff --git a/api/@ohos.notification.d.ts b/api/@ohos.notification.d.ts
index 80b5fdee36da1e8cb307c4e63b922b9d1dc0c244..642dd790e32271b07c4dcf093b6d8e215f0da024 100644
--- a/api/@ohos.notification.d.ts
+++ b/api/@ohos.notification.d.ts
@@ -14,10 +14,24 @@
  */
 
 import { AsyncCallback } from './basic';
-import { NotificationSlot } from './notification/notificationSlot';
-import { NotificationSubscriber } from './notification/notificationSubscriber';
-import { NotificationSubscribeInfo } from './notification/notificationSubscribeInfo';
-import { NotificationRequest } from './notification/notificationRequest';
+import { NotificationActionButton as _NotificationActionButton } from './notification/notificationActionButton';
+import { NotificationBasicContent as _NotificationBasicContent } from './notification/notificationContent';
+import { NotificationContent as _NotificationContent } from './notification/notificationContent';
+import { NotificationLongTextContent as _NotificationLongTextContent } from './notification/notificationContent';
+import { NotificationMultiLineContent as _NotificationMultiLineContent } from './notification/notificationContent';
+import { NotificationPictureContent as _NotificationPictureContent } from './notification/notificationContent';
+import { NotificationFlags as  _NotificationFlags} from './notification/notificationFlags';
+import { NotificationFlagStatus as _NotificationFlagStatus } from './notification/notificationFlags';
+import { NotificationRequest as _NotificationRequest } from './notification/notificationRequest';
+import { DistributedOptions as _DistributedOptions } from './notification/notificationRequest';
+import { NotificationSlot as _NotificationSlot } from './notification/notificationSlot';
+import { NotificationSorting as _NotificationSorting } from './notification/notificationSorting';
+import { NotificationSubscribeInfo as _NotificationSubscribeInfo } from './notification/notificationSubscribeInfo';
+import { NotificationSubscriber as _NotificationSubscriber } from './notification/notificationSubscriber';
+import { SubscribeCallbackData as _SubscribeCallbackData } from './notification/notificationSubscriber';
+import { EnabledNotificationCallbackData as _EnabledNotificationCallbackData } from './notification/notificationSubscriber';
+import { NotificationTemplate as _NotificationTemplate } from './notification/notificationTemplate';
+import { NotificationUserInput as _NotificationUserInput } from './notification/notificationUserInput';
 
 /**
  * Manages notifications.
@@ -925,6 +939,174 @@ declare namespace notification {
      */
     TYPE_TIMER = 2,
   }
+
+  /**
+   * Describes an action button displayed in a notification.
+   *
+   * @since 9
+   * @permission N/A
+   * @syscap SystemCapability.Notification.Notification
+   */
+  export type NotificationActionButton = _NotificationActionButton
+
+  /**
+   * Describes a normal text notification.
+   *
+   * @since 9
+   * @syscap SystemCapability.Notification.Notification
+   * @permission N/A
+   */
+  export type NotificationBasicContent = _NotificationBasicContent
+
+  /**
+   * Describes notification types.
+   *
+   * @since 9
+   * @syscap SystemCapability.Notification.Notification
+   * @permission N/A
+   */
+  export type NotificationContent = _NotificationContent
+
+  /**
+   * Describes a long text notification.
+   *
+   * @since 9
+   * @syscap SystemCapability.Notification.Notification
+   * @permission N/A
+   */
+  export type NotificationLongTextContent = _NotificationLongTextContent
+
+  /**
+   * Describes a multi-line text notification.
+   *
+   * @since 9
+   * @syscap SystemCapability.Notification.Notification
+   * @permission N/A
+   */
+  export type NotificationMultiLineContent = _NotificationMultiLineContent
+
+  /**
+   * Describes a picture-attached notification.
+   *
+   * @since 9
+   * @syscap SystemCapability.Notification.Notification
+   * @permission N/A
+   */
+  export type NotificationPictureContent = _NotificationPictureContent
+
+  /**
+   * Describes a NotificationFlags instance.
+   *
+   * @since 9
+   * @permission N/A
+   * @syscap SystemCapability.Notification.Notification
+   */
+  export type NotificationFlags =  _NotificationFlags
+
+  /**
+   * The status of the notification flag.
+   *
+   * @since 9
+   * @systemapi Hide this for inner system use.
+   * @syscap SystemCapability.Notification.Notification
+   */
+  export type NotificationFlagStatus = _NotificationFlagStatus
+
+  /**
+   * Defines a NotificationRequest instance.
+   *
+   * @since 9
+   * @syscap SystemCapability.Notification.Notification
+   * @permission N/A
+   */
+  export type NotificationRequest = _NotificationRequest
+
+  /**
+   * Describes distributed options.
+   *
+   * @since 9
+   * @syscap SystemCapability.Notification.Notification
+   * @permission N/A
+   */
+  export type DistributedOptions = _DistributedOptions
+
+  /**
+   * Describes a NotificationSlot instance.
+   *
+   * @since 9
+   * @permission N/A
+   * @syscap SystemCapability.Notification.Notification
+   */
+  export type NotificationSlot = _NotificationSlot
+
+  /**
+   * Provides sorting information about an active notification.
+   *
+   * @since 9
+   * @syscap SystemCapability.Notification.Notification
+   * @permission N/A
+   * @systemapi Hide this for inner system use.
+   */
+  export type NotificationSorting = _NotificationSorting
+
+  /**
+   * Sets filter criteria of publishers for subscribing to desired notifications.
+   *
+   * @since 9
+   * @syscap SystemCapability.Notification.Notification
+   * @permission N/A
+   * @systemapi Hide this for inner system use.
+   */
+  export type NotificationSubscribeInfo = _NotificationSubscribeInfo
+
+  /**
+   * Provides methods that will be called back when the subscriber receives a new notification or
+   * a notification is canceled.
+   *
+   * @since 9
+   * @syscap SystemCapability.Notification.Notification
+   * @permission N/A
+   * @systemapi Hide this for inner system use.
+   */
+  export type NotificationSubscriber = _NotificationSubscriber
+
+  /**
+   * Provides methods that will be called back when the subscriber receives a new notification or
+   * a notification is canceled.
+   *
+   * @since 9
+   * @syscap SystemCapability.Notification.Notification
+   * @permission N/A
+   * @systemapi Hide this for inner system use.
+   */
+  export type SubscribeCallbackData = _SubscribeCallbackData
+
+  /**
+   * Describes the properties of the application that the permission to send notifications has changed.
+   *
+   * @since 9
+   * @syscap SystemCapability.Notification.Notification
+   * @systemapi Hide this for inner system use.
+   */
+  export type EnabledNotificationCallbackData = _EnabledNotificationCallbackData
+
+  /**
+   * Describes a NotificationTemplate instance.
+   *
+   * @since 9
+   * @syscap SystemCapability.Notification.Notification
+   * @permission N/A
+   */
+  export type NotificationTemplate = _NotificationTemplate
+
+  /**
+   * Describes a NotificationUserInput instance.
+   *
+   * @since 9
+   * @syscap SystemCapability.Notification.Notification
+   * @permission N/A
+   */
+  export type NotificationUserInput = _NotificationUserInput
 }
 
 export default notification;