diff --git a/api/@ohos.commonEvent.d.ts b/api/@ohos.commonEvent.d.ts
index 9920b8afb02338fc755799dc6f077589e559eb64..f4b038a2070d49942d28525cd58aa7362b4d2fea 100644
--- a/api/@ohos.commonEvent.d.ts
+++ b/api/@ohos.commonEvent.d.ts
@@ -20,7 +20,7 @@ import { CommonEventSubscribeInfo } from './commonEvent/commonEventSubscribeInfo
 import { CommonEventPublishData } from './commonEvent/commonEventPublishData';
 
 /**
- * Common event defination
+ * Common event definition
  * @name commonEvent
  * @since 7
  * @syscap SystemCapability.Notification.CommonEvent
@@ -35,7 +35,7 @@ declare namespace commonEvent {
    * @since 7
    * @param event name of the common event.
    * @param callback Specified callback method.
-   * @return -
+   * @returns -
    * @deprecated since 9
    * @useinstead ohos.commonEventManager.publish
    */
@@ -48,7 +48,7 @@ declare namespace commonEvent {
    * @param event name of the common event.
    * @param options Indicate the CommonEventPublishData containing the common event content and attributes.
    * @param callback Specified callback method.
-   * @return -
+   * @returns -
    * @deprecated since 9
    * @useinstead ohos.commonEventManager.publish
    */
@@ -61,7 +61,7 @@ declare namespace commonEvent {
    * @param event Specified the names of the common events.
    * @param userId Specified the user to receive the common events.
    * @param callback Specified callback method.
-   * @return -
+   * @returns -
    *
    * @systemapi Hide this for inner system use.
    * @deprecated since 9
@@ -77,7 +77,7 @@ declare namespace commonEvent {
    * @param userId Specified the user to receive the common events.
    * @param options Indicates the CommonEventPublishData containing the common event content and attributes.
    * @param callback Specified callback method.
-   * @return -
+   * @returns -
    *
    * @systemapi Hide this for inner system use.
    * @deprecated since 9
@@ -91,7 +91,7 @@ declare namespace commonEvent {
    * @since 7
    * @param subscribeInfo Indicates the information of the subscriber.
    * @param callback Specified callback method.
-   * @return -
+   * @returns -
    * @deprecated since 9
    * @useinstead ohos.commonEventManager.createSubscriber
    */
@@ -102,7 +102,7 @@ declare namespace commonEvent {
    *
    * @since 7
    * @param subscribeInfo Indicates the information of the subscriber.
-   * @return Returns common event subscriber object
+   * @returns Returns common event subscriber object
    * @deprecated since 9
    * @useinstead ohos.commonEventManager.createSubscriber
    */
@@ -114,7 +114,7 @@ declare namespace commonEvent {
    * @since 7
    * @param subscriber Indicate the subscriber of the common event.
    * @param callback Specified callback method.
-   * @return -
+   * @returns -
    * @deprecated since 9
    * @useinstead ohos.commonEventManager.subscribe
    */
@@ -126,7 +126,7 @@ declare namespace commonEvent {
    * @since 7
    * @param subscriber Indicate the subscriber of the common event.
    * @param callback Specified callback method.
-   * @return -
+   * @returns -
    * @deprecated since 9
    * @useinstead ohos.commonEventManager.unsubscribe
    */
@@ -142,156 +142,156 @@ declare namespace commonEvent {
    */
   export enum Support {
     /**
-     * this commonEvent means when the device is booted or system upgrade completed, and only be sent by system.
+     * This commonEvent means when the device is booted or system upgrade completed, and only be sent by system.
      */
     COMMON_EVENT_BOOT_COMPLETED = "usual.event.BOOT_COMPLETED",
 
     /**
-     * this commonEvent means when the device finnish booting, but still in the locked state.
+     * This commonEvent means when the device finnish booting, but still in the locked state.
      */
     COMMON_EVENT_LOCKED_BOOT_COMPLETED = "usual.event.LOCKED_BOOT_COMPLETED",
 
     /**
-     * this commonEvent means when the device is shutting down, note: turn off, not sleeping.
+     * This commonEvent means when the device is shutting down, note: turn off, not sleeping.
      */
     COMMON_EVENT_SHUTDOWN = "usual.event.SHUTDOWN",
 
     /**
-     * this commonEvent means when the charging state, level and so on about the battery.
+     * This commonEvent means when the charging state, level and so on about the battery.
      */
     COMMON_EVENT_BATTERY_CHANGED = "usual.event.BATTERY_CHANGED",
 
     /**
-     * this commonEvent means when the device in low battery state..
+     * This commonEvent means when the device in low battery state..
      */
     COMMON_EVENT_BATTERY_LOW = "usual.event.BATTERY_LOW",
 
     /**
-     * this commonEvent means when the battery level is an ok state.
+     * This commonEvent means when the battery level is an ok state.
      */
     COMMON_EVENT_BATTERY_OKAY = "usual.event.BATTERY_OKAY",
 
     /**
-     * this commonEvent means when the other power is connected to the device.
+     * This commonEvent means when the other power is connected to the device.
      */
     COMMON_EVENT_POWER_CONNECTED = "usual.event.POWER_CONNECTED",
 
     /**
-     * this commonEvent means when the other power is removed from the device.
+     * This commonEvent means when the other power is removed from the device.
      */
     COMMON_EVENT_POWER_DISCONNECTED = "usual.event.POWER_DISCONNECTED",
 
     /**
-     * this commonEvent means when the screen is turned off.
+     * This commonEvent means when the screen is turned off.
      */
     COMMON_EVENT_SCREEN_OFF = "usual.event.SCREEN_OFF",
 
     /**
-     * this commonEvent means when the device is waked up and interactive.
+     * This commonEvent means when the device is awakened and interactive.
      */
     COMMON_EVENT_SCREEN_ON = "usual.event.SCREEN_ON",
 
     /**
-     * this commonEvent means when the thermal state level change
+     * This commonEvent means when the thermal state level change
      * @since 8
      */
      COMMON_EVENT_THERMAL_LEVEL_CHANGED = "usual.event.THERMAL_LEVEL_CHANGED",
 
     /**
-     * this commonEvent means when the user is present after the device waked up.
+     * This commonEvent means when the user is present after the device is awakened.
      */
     COMMON_EVENT_USER_PRESENT = "usual.event.USER_PRESENT",
 
     /**
-     * this commonEvent means when the current time is changed.
+     * This commonEvent means when the current time is changed.
      */
     COMMON_EVENT_TIME_TICK = "usual.event.TIME_TICK",
 
     /**
-     * this commonEvent means when the time is set.
+     * This commonEvent means when the time is set.
      */
     COMMON_EVENT_TIME_CHANGED = "usual.event.TIME_CHANGED",
 
     /**
-     * this commonEvent means when the current date is changed.
+     * This commonEvent means when the current date is changed.
      */
     COMMON_EVENT_DATE_CHANGED = "usual.event.DATE_CHANGED",
 
     /**
-     * this commonEvent means when the time zone is changed.
+     * This commonEvent means when the time zone is changed.
      */
     COMMON_EVENT_TIMEZONE_CHANGED = "usual.event.TIMEZONE_CHANGED",
 
     /**
-     * this commonEvent means when the dialog to dismiss.
+     * This commonEvent means when the dialog to dismiss.
      */
     COMMON_EVENT_CLOSE_SYSTEM_DIALOGS = "usual.event.CLOSE_SYSTEM_DIALOGS",
 
     /**
-     * this commonEvent means when a new application package is installed on the device.
+     * This commonEvent means when a new application package is installed on the device.
      */
     COMMON_EVENT_PACKAGE_ADDED = "usual.event.PACKAGE_ADDED",
 
     /**
-     * this commonEvent means when a new version application package is installed on the device and
+     * This commonEvent means when a new version application package is installed on the device and
      * replace the old version.the data contains the name of the package.
      */
     COMMON_EVENT_PACKAGE_REPLACED = "usual.event.PACKAGE_REPLACED",
 
     /**
-     * this commonEvent means when a new version application package is installed on the device and
+     * This commonEvent means when a new version application package is installed on the device and
      * replace the old version, it does not contain additional data and only be sent to the replaced application.
      */
     COMMON_EVENT_MY_PACKAGE_REPLACED = "usual.event.MY_PACKAGE_REPLACED",
 
     /**
-     * this commonEvent means when an existing application package is removed from the device.
+     * This commonEvent means when an existing application package is removed from the device.
      */
     COMMON_EVENT_PACKAGE_REMOVED = "usual.event.PACKAGE_REMOVED",
 
     /**
-     * this commonEvent means when an existing application package is removed from the device.
+     * This commonEvent means when an existing application package is removed from the device.
      */
     COMMON_EVENT_BUNDLE_REMOVED = "usual.event.BUNDLE_REMOVED",
 
     /**
-     * this commonEvent means when an existing application package is completely removed from the device.
+     * This commonEvent means when an existing application package is completely removed from the device.
      */
     COMMON_EVENT_PACKAGE_FULLY_REMOVED = "usual.event.PACKAGE_FULLY_REMOVED",
 
     /**
-     * this commonEvent means when an existing application package has been changed.
+     * This commonEvent means when an existing application package has been changed.
      */
     COMMON_EVENT_PACKAGE_CHANGED = "usual.event.PACKAGE_CHANGED",
 
     /**
-     * this commonEvent means the user has restarted a package, and all of its processes have been killed.
+     * This commonEvent means the user has restarted a package, and all of its processes have been killed.
      */
     COMMON_EVENT_PACKAGE_RESTARTED = "usual.event.PACKAGE_RESTARTED",
 
     /**
-     * this commonEvent means the user has cleared the package data.
+     * This commonEvent means the user has cleared the package data.
      */
     COMMON_EVENT_PACKAGE_DATA_CLEARED = "usual.event.PACKAGE_DATA_CLEARED",
 
     /**
-     * this commonEvent means the user has cleared the package cache.
+     * This commonEvent means the user has cleared the package cache.
      * @since 9
      */
      COMMON_EVENT_PACKAGE_CACHE_CLEARED = "usual.event.PACKAGE_CACHE_CLEARED",
 
     /**
-     * this commonEvent means the packages have been suspended.
+     * This commonEvent means the packages have been suspended.
      */
     COMMON_EVENT_PACKAGES_SUSPENDED = "usual.event.PACKAGES_SUSPENDED",
 
     /**
-     * this commonEvent means the packages have been un-suspended.
+     * This commonEvent means the packages have been un-suspended.
      */
     COMMON_EVENT_PACKAGES_UNSUSPENDED = "usual.event.PACKAGES_UNSUSPENDED",
 
     /**
-     * this commonEvent Sent to a package that has been suspended by the system.
+     * This commonEvent Sent to a package that has been suspended by the system.
      */
     COMMON_EVENT_MY_PACKAGE_SUSPENDED = "usual.event.MY_PACKAGE_SUSPENDED",
 
@@ -301,23 +301,23 @@ declare namespace commonEvent {
     COMMON_EVENT_MY_PACKAGE_UNSUSPENDED = "usual.event.MY_PACKAGE_UNSUSPENDED",
 
     /**
-     * a user id has been removed from the system.
+     * A user id has been removed from the system.
      */
     COMMON_EVENT_UID_REMOVED = "usual.event.UID_REMOVED",
 
     /**
-     * the application is first launched after installed.
+     * The application is first launched after installed.
      */
     COMMON_EVENT_PACKAGE_FIRST_LAUNCH = "usual.event.PACKAGE_FIRST_LAUNCH",
 
     /**
-     * sent by system package verifier when a package need to be verified.
+     * Sent by system package verifier when a package need to be verified.
      */
     COMMON_EVENT_PACKAGE_NEEDS_VERIFICATION =
         "usual.event.PACKAGE_NEEDS_VERIFICATION",
 
     /**
-     * sent by system package verifier when a package is verified.
+     * Sent by system package verifier when a package is verified.
      */
     COMMON_EVENT_PACKAGE_VERIFIED = "usual.event.PACKAGE_VERIFIED",
 
@@ -335,7 +335,7 @@ declare namespace commonEvent {
         "usual.event.EXTERNAL_APPLICATIONS_UNAVAILABLE",
 
     /**
-     * the device configuration such as orientation,locale have been changed.
+     * The device configuration such as orientation,locale have been changed.
      */
     COMMON_EVENT_CONFIGURATION_CHANGED = "usual.event.CONFIGURATION_CHANGED",
 
@@ -350,57 +350,57 @@ declare namespace commonEvent {
     COMMON_EVENT_MANAGE_PACKAGE_STORAGE = "usual.event.MANAGE_PACKAGE_STORAGE",
 
     /**
-     * sent by the smart function when the system in drive mode.
+     * Sent by the smart function when the system in drive mode.
      */
     COMMON_EVENT_DRIVE_MODE = "common.event.DRIVE_MODE",
 
     /**
-     * sent by the smart function when the system in home mode.
+     * Sent by the smart function when the system in home mode.
      */
     COMMON_EVENT_HOME_MODE = "common.event.HOME_MODE",
 
     /**
-     * sent by the smart function when the system in office mode.
+     * Sent by the smart function when the system in office mode.
      */
     COMMON_EVENT_OFFICE_MODE = "common.event.OFFICE_MODE",
 
     /**
-     * remind new user of preparing to start.
+     * Remind new user of preparing to start.
      */
     COMMON_EVENT_USER_STARTED = "usual.event.USER_STARTED",
 
     /**
-     * remind previous user of that the service has been the background.
+     * Remind previous user of that the service has been the background.
      */
     COMMON_EVENT_USER_BACKGROUND = "usual.event.USER_BACKGROUND",
 
     /**
-     * remind new user of that the service has been the foreground.
+     * Remind new user of that the service has been the foreground.
      */
     COMMON_EVENT_USER_FOREGROUND = "usual.event.USER_FOREGROUND",
 
     /**
-     * remind new user of that the service has been switched to new user.
+     * Remind new user of that the service has been switched to new user.
      */
     COMMON_EVENT_USER_SWITCHED = "usual.event.USER_SWITCHED",
 
     /**
-     * remind new user of that the service has been starting.
+     * Remind new user of that the service has been starting.
      */
     COMMON_EVENT_USER_STARTING = "usual.event.USER_STARTING",
 
     /**
-     * remind new user of that the service has been unlocked.
+     * Remind new user of that the service has been unlocked.
      */
     COMMON_EVENT_USER_UNLOCKED = "usual.event.USER_UNLOCKED",
 
     /**
-     * remind new user of that the service has been stopping.
+     * Remind new user of that the service has been stopping.
      */
     COMMON_EVENT_USER_STOPPING = "usual.event.USER_STOPPING",
 
     /**
-     * remind new user of that the service has stopped.
+     * Remind new user of that the service has stopped.
      */
     COMMON_EVENT_USER_STOPPED = "usual.event.USER_STOPPED",
 
@@ -465,7 +465,7 @@ declare namespace commonEvent {
     COMMON_EVENT_WIFI_MPLINK_STATE_CHANGE = "usual.event.wifi.mplink.STATE_CHANGE",
 
     /**
-     * Indicates Wi-Fi P2P connection state notification acknowledged by connecting or disconnecting P2P.
+     * Indicates Wi-Fi P2P connection state notification acknowledged by connecting or disconnected P2P.
      */
     COMMON_EVENT_WIFI_P2P_CONN_STATE = "usual.event.wifi.p2p.CONN_STATE_CHANGE",
 
@@ -720,19 +720,19 @@ declare namespace commonEvent {
         "usual.event.bluetooth.a2dpsink.AUDIO_STATE_UPDATE",
 
     /**
-     * nfc state change.
+     * Nfc state change.
      */
     COMMON_EVENT_NFC_ACTION_ADAPTER_STATE_CHANGED =
         "usual.event.nfc.action.ADAPTER_STATE_CHANGED",
 
     /**
-     * nfc field on detected.
+     * Nfc field on detected.
      */
     COMMON_EVENT_NFC_ACTION_RF_FIELD_ON_DETECTED =
         "usual.event.nfc.action.RF_FIELD_ON_DETECTED",
 
     /**
-     * nfc field off detected.
+     * Nfc field off detected.
      */
     COMMON_EVENT_NFC_ACTION_RF_FIELD_OFF_DETECTED =
         "usual.event.nfc.action.RF_FIELD_OFF_DETECTED",
@@ -758,12 +758,12 @@ declare namespace commonEvent {
     COMMON_EVENT_POWER_SAVE_MODE_CHANGED = "usual.event.POWER_SAVE_MODE_CHANGED",
 
     /**
-     * user added.
+     * User added.
      */
     COMMON_EVENT_USER_ADDED = "usual.event.USER_ADDED",
 
     /**
-     * user removed.
+     * User removed.
      */
     COMMON_EVENT_USER_REMOVED = "usual.event.USER_REMOVED",
 
@@ -783,7 +783,7 @@ declare namespace commonEvent {
     COMMON_EVENT_ABILITY_UPDATED = "common.event.ABILITY_UPDATED",
 
     /**
-     * gps mode state changed.
+     * Gps mode state changed.
      */
     COMMON_EVENT_LOCATION_MODE_STATE_CHANGED =
         "usual.event.location.MODE_STATE_CHANGED",
diff --git a/api/@ohos.commonEventManager.d.ts b/api/@ohos.commonEventManager.d.ts
index c327741a045d984d5ae9e1777110ef0532cd32c4..1cafa28a65b658a84267f0b4e6116994b890a7de 100644
--- a/api/@ohos.commonEventManager.d.ts
+++ b/api/@ohos.commonEventManager.d.ts
@@ -165,7 +165,7 @@ declare namespace commonEventManager {
     COMMON_EVENT_SCREEN_OFF = "usual.event.SCREEN_OFF",
 
     /**
-     * This commonEvent means when the device is waked up and interactive.
+     * This commonEvent means when the device is awakened and interactive.
      */
     COMMON_EVENT_SCREEN_ON = "usual.event.SCREEN_ON",
 
@@ -175,7 +175,7 @@ declare namespace commonEventManager {
     COMMON_EVENT_THERMAL_LEVEL_CHANGED = "usual.event.THERMAL_LEVEL_CHANGED",
 
     /**
-     * This commonEvent means when the user is present after the device waked up.
+     * This commonEvent means when the user is present after the device is awakened.
      */
     COMMON_EVENT_USER_PRESENT = "usual.event.USER_PRESENT",
 
@@ -441,7 +441,7 @@ declare namespace commonEventManager {
     COMMON_EVENT_WIFI_MPLINK_STATE_CHANGE = "usual.event.wifi.mplink.STATE_CHANGE",
 
     /**
-     * Indicates Wi-Fi P2P connection state notification acknowledged by connecting or disconnecting P2P.
+     * Indicates Wi-Fi P2P connection state notification acknowledged by connecting or disconnected P2P.
      */
     COMMON_EVENT_WIFI_P2P_CONN_STATE = "usual.event.wifi.p2p.CONN_STATE_CHANGE",
 
diff --git a/api/@ohos.events.emitter.d.ts b/api/@ohos.events.emitter.d.ts
index fbc91b20f597d4533cb8669a4433ef478ed9079a..6fbe9037b31d3db37a4568b6dac156fb8933111e 100644
--- a/api/@ohos.events.emitter.d.ts
+++ b/api/@ohos.events.emitter.d.ts
@@ -25,32 +25,32 @@ import { Callback } from './basic';
  */
 declare namespace emitter {
   /**
-   * Subscribes to a certain event in persistent manner and receives the event callback.
+   * Subscribe to a certain event in persistent manner and receives the event callback.
    *
    * @since 7
    * @param event indicate event to subscribe to.
    * @param callback indicate callback used to receive the event.
-   * @return -
+   * @returns -
    */
   function on(event: InnerEvent, callback: Callback<EventData>): void;
 
   /**
-   * Subscribes to a certain event in one-shot manner and unsubscribes from it
+   * Subscribe to a certain event in one-shot manner and unsubscribe from it
    * after the event callback is received.
    *
    * @since 7
    * @param event indicate event to subscribe to in one shot.
    * @param callback indicate callback used to receive the event.
-   * @return -
+   * @returns -
    */
   function once(event: InnerEvent, callback: Callback<EventData>): void;
 
   /**
-   * Unsubscribes from an event.
+   * Unsubscribe from an event.
    *
    * @since 7
    * @param eventId indicate ID of the event to unsubscribe from.
-   * @return -
+   * @returns -
    */
   function off(eventId: number): void;
 
@@ -60,7 +60,7 @@ declare namespace emitter {
    * @since 7
    * @param event indicate event to emit.
    * @param data indicate data carried by the event.
-   * @return -
+   * @returns -
    */
   function emit(event: InnerEvent, data?: EventData): void;
 
diff --git a/api/@ohos.notification.d.ts b/api/@ohos.notification.d.ts
index 2c3d321c3ed562ad363c86059c3113851d1105a6..58647e30a6aa270de56f4f6631247c08533054bb 100644
--- a/api/@ohos.notification.d.ts
+++ b/api/@ohos.notification.d.ts
@@ -36,7 +36,7 @@ import { NotificationUserInput as _NotificationUserInput } from './notification/
 /**
  * Manages notifications.
  *
- * <p>Generally, only system applications have permissions on notification subscription and unsubscription.
+ * <p>Generally, only system applications have permissions on notification subscription and unsubscribe.
  * You can specify the content of a notification to be published and the content is carried by
  * {@link NotificationRequest}. A notification ID is unique in an application and must be specified
  * when using {@link NotificationRequest} to carry the notification content. If a notification
@@ -98,7 +98,7 @@ declare namespace notification {
     function publishAsBundle(request: NotificationRequest, representativeBundle: string, userId: number): Promise<void>;
 
   /**
-   * Cancels a notification with the specified ID.
+   * Cancel a notification with the specified ID.
    *
    * @param id of the notification to cancel, which must be unique in the application.
    * @param callback callback function
@@ -108,7 +108,7 @@ declare namespace notification {
   function cancel(id: number, callback: AsyncCallback<void>): void;
 
   /**
-   * Cancels a notification with the specified label and ID.
+   * Cancel a notification with the specified label and ID.
    *
    * @param id ID of the notification to cancel, which must be unique in the application.
    * @param label Label of the notification to cancel.
@@ -120,7 +120,7 @@ declare namespace notification {
   function cancel(id: number, label?: string): Promise<void>;
 
   /**
-   * Cancels a representative notification.
+   * Cancel a representative notification.
    *
    * @since 9
    * @param id ID of the notification to cancel, which must be unique in the application.
@@ -211,7 +211,7 @@ declare namespace notification {
    *
    * @param slotType Type of the notification slot to obtain.
    * @param callback callback function
-   * @return Returns the created {@link NotificationSlot}.
+   * @returns Returns the created {@link NotificationSlot}.
    * @deprecated since 9
    * @useinstead ohos.notificationManager.getSlot
    */
@@ -221,7 +221,7 @@ declare namespace notification {
   /**
    * Obtains all NotificationSlot objects created by the current application.
    *
-   * @return Returns all notification slots of this application.
+   * @returns Returns all notification slots of this application.
    * @deprecated since 9
    * @useinstead ohos.notificationManager.getSlots
    */
@@ -990,7 +990,7 @@ declare namespace notification {
   }
 
   /**
-   * The remind type of the nofication.
+   * The remind type of the notification.
    *
    * @since 8
    * @systemapi Hide this for inner system use.
diff --git a/api/@ohos.notificationManager.d.ts b/api/@ohos.notificationManager.d.ts
index e35bfb4fcd63f8a38601ceed08799d05c114649a..cb1162fbb9ae53288eb10ab8c2078c1c057a617b 100644
--- a/api/@ohos.notificationManager.d.ts
+++ b/api/@ohos.notificationManager.d.ts
@@ -31,7 +31,7 @@ import { NotificationUserInput as _NotificationUserInput } from './notification/
 
 /**
  * Manages notifications.
- * <p>Generally, only system applications have permissions on notification subscription and unsubscription.
+ * <p>Generally, only system applications have permissions on notification subscription and unsubscribe.
  * You can specify the content of a notification to be published and the content is carried by
  * {@link NotificationRequest}. A notification ID is unique in an application and must be specified
  * when using {@link NotificationRequest} to carry the notification content. If a notification
@@ -122,7 +122,7 @@ declare namespace notificationManager {
   function publishAsBundle(request: NotificationRequest, representativeBundle: string, userId: number): Promise<void>;
 
   /**
-   * Cancels a notification with the specified ID.
+   * Cancel a notification with the specified ID.
    * @param { number } id - ID of the notification to cancel, which must be unique in the application.
    * @param { AsyncCallback<void> } callback - The callback of cancel.
    * @throws { BusinessError } 401 - If the input parameter is not valid parameter.
@@ -132,7 +132,7 @@ declare namespace notificationManager {
   function cancel(id: number, callback: AsyncCallback<void>): void;
 
   /**
-   * Cancels a notification with the specified label and ID.
+   * Cancel a notification with the specified label and ID.
    * @param { number } id - ID of the notification to cancel, which must be unique in the application.
    * @param { string }label - Label of the notification to cancel.
    * @param { AsyncCallback<void> } callback - The callback of cancel.
@@ -143,7 +143,7 @@ declare namespace notificationManager {
   function cancel(id: number, label: string, callback: AsyncCallback<void>): void;
 
   /**
-   * Cancels a notification with the specified label and ID.
+   * Cancel a notification with the specified label and ID.
    * @param { number } id - ID of the notification to cancel, which must be unique in the application.
    * @param { string }label - Label of the notification to cancel.
    * @returns { Promise<void> } The promise returned by the function.
@@ -154,7 +154,7 @@ declare namespace notificationManager {
   function cancel(id: number, label?: string): Promise<void>;
 
   /**
-   * Cancels a representative notification.
+   * Cancel a representative notification.
    * @permission ohos.permission.NOTIFICATION_CONTROLLER and ohos.permission.NOTIFICATION_AGENT_CONTROLLER
    * @param { number } id - ID of the notification to cancel, which must be unique in the application.
    * @param { string } representativeBundle - bundle name of the representative.
@@ -168,7 +168,7 @@ declare namespace notificationManager {
   function cancelAsBundle(id: number, representativeBundle: string, userId: number, callback: AsyncCallback<void>): void;
 
   /**
-   * Cancels a representative notification.
+   * Cancel a representative notification.
    * @permission ohos.permission.NOTIFICATION_CONTROLLER and ohos.permission.NOTIFICATION_AGENT_CONTROLLER
    * @param { number } id - ID of the notification to cancel, which must be unique in the application.
    * @param { string } representativeBundle - bundle name of the representative.
@@ -182,7 +182,7 @@ declare namespace notificationManager {
   function cancelAsBundle(id: number, representativeBundle: string, userId: number): Promise<void>;
 
   /**
-   * Cancels all notifications of the current application.
+   * Cancel all notifications of the current application.
    * @param { AsyncCallback<void> } callback - The callback of cancelAll.
    * @throws { BusinessError } 401 - If the input parameter is not valid parameter.
    * @syscap SystemCapability.Notification.Notification
@@ -191,7 +191,7 @@ declare namespace notificationManager {
   function cancelAll(callback: AsyncCallback<void>): void;
 
   /**
-   * Cancels all notifications of the current application.
+   * Cancel all notifications of the current application.
    * @returns { Promise<void> } The promise returned by the function.
    * @throws { BusinessError } 401 - If the input parameter is not valid parameter.
    * @syscap SystemCapability.Notification.Notification
@@ -1225,7 +1225,7 @@ declare namespace notificationManager {
   }
 
   /**
-   * The remind type of the nofication.
+   * The remind type of the notification.
    * @enum { number }
    * @syscap SystemCapability.Notification.Notification
    * @systemapi
diff --git a/api/@ohos.notificationSubscribe.d.ts b/api/@ohos.notificationSubscribe.d.ts
index a97f53a9b4bac07786e2093505b6cd002b897a96..ff5716fb8dd80ff0b8d630182e7cb5c248f321d9 100644
--- a/api/@ohos.notificationSubscribe.d.ts
+++ b/api/@ohos.notificationSubscribe.d.ts
@@ -23,7 +23,6 @@ import { EnabledNotificationCallbackData as _EnabledNotificationCallbackData } f
  * @name notificationSubscribe
  * @since 9
  * @syscap SystemCapability.Notification.Notification
- * @import import notificationSubscribe from '@ohos.notification.subscribe';
  * @permission N/A
  */
 declare namespace notificationSubscribe {
diff --git a/api/@ohos.reminderAgentManager.d.ts b/api/@ohos.reminderAgentManager.d.ts
index b66b9fbac3509cee5a9cca3f794a6dfa33abe2c7..5d91012d63f2b46a6e2701e4c112c9545fb6d3ba 100644
--- a/api/@ohos.reminderAgentManager.d.ts
+++ b/api/@ohos.reminderAgentManager.d.ts
@@ -19,7 +19,7 @@ import { NotificationSlot } from './notification/notificationSlot';
 
 /**
  * Providers static methods for managing reminders, including publishing or canceling a reminder.
- * adding or removing a notification slot, and obtaining or cancelling all reminders of the current application.
+ * Add or remove a notification slot, and obtain or cancel all reminders of the current application.
  *
  * @since 9
  * @syscap SystemCapability.Notification.ReminderAgent
@@ -50,7 +50,7 @@ declare namespace reminderAgentManager {
   function publishReminder(reminderReq: ReminderRequest): Promise<number>;
 
   /**
-   * Cancels a reminder.
+   * Cancel a reminder.
    *
    * @since 9
    * @syscap SystemCapability.Notification.ReminderAgent
@@ -61,7 +61,7 @@ declare namespace reminderAgentManager {
   function cancelReminder(reminderId: number, callback: AsyncCallback<void>): void;
 
   /**
-   * Cancels a reminder.
+   * Cancel a reminder.
    *
    * @since 9
    * @syscap SystemCapability.Notification.ReminderAgent
@@ -92,7 +92,7 @@ declare namespace reminderAgentManager {
   function getValidReminders(): Promise<Array<ReminderRequest>>;
 
   /**
-   * Cancels all the reminders of current application.
+   * Cancel all the reminders of current application.
    *
    * @since 9
    * @syscap SystemCapability.Notification.ReminderAgent
@@ -102,7 +102,7 @@ declare namespace reminderAgentManager {
   function cancelAllReminders(callback: AsyncCallback<void>): void;
 
   /**
-   * Cancels all the reminders of current application.
+   * Cancel all the reminders of current application.
    *
    * @since 9
    * @syscap SystemCapability.Notification.ReminderAgent
@@ -419,7 +419,7 @@ declare namespace reminderAgentManager {
     minute: number;
 
     /**
-     * Days of a week when the reminder repeates.
+     * Days of a week when the reminder repeats.
      * @since 9
      * @syscap SystemCapability.Notification.ReminderAgent
      */
diff --git a/api/application/MissionInfo.d.ts b/api/application/MissionInfo.d.ts
index 5233bce35ebd239f203655f55dfa93045eece809..6402b4fdfe1ff374c5e9ef2c9cbdbccdbf38ec27 100644
--- a/api/application/MissionInfo.d.ts
+++ b/api/application/MissionInfo.d.ts
@@ -1,90 +1,89 @@
-/*
- * Copyright (c) 2021 Huawei Device Co., Ltd.
- * Licensed under the Apache License, Version 2.0 (the "License"),
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-import Want from "../@ohos.application.Want";
-
-/**
- * Mission information corresponding to ability.
- *
- * @since 8
- * @syscap SystemCapability.Ability.AbilityRuntime.Mission
- * @permission N/A
- * @systemapi hide for inner use.
- */
-export interface MissionInfo {
-    /**
-     * Indicates mission id.
-     *
-     * @since 8
-     * @syscap SystemCapability.Ability.AbilityRuntime.Mission
-     */
-    missionId: number;
-
-    /**
-     * Indicates running state.
-     *
-     * @since 8
-     * @syscap SystemCapability.Ability.AbilityRuntime.Mission
-     */
-    runningState: number;
-
-    /**
-     * Indicates locked state.
-     *
-     * @since 8
-     * @syscap SystemCapability.Ability.AbilityRuntime.Mission
-     */
-    lockedState: boolean;
-
-    /**
-     * Indicates the recent create or update time of the mission.
-     *
-     * @since 8
-     * @syscap SystemCapability.Ability.AbilityRuntime.Mission
-     */
-    timestamp: string;
-
-    /**
-     * Indicates want of the mission.
-     *
-     * @since 8
-     * @syscap SystemCapability.Ability.AbilityRuntime.Mission
-     */
-    want: Want;
-
-    /**
-     * Indicates label of the mission.
-     *
-     * @since 8
-     * @syscap SystemCapability.Ability.AbilityRuntime.Mission
-     */
-    label: string;
-
-    /**
-     * Indicates icon path of the mission.
-     *
-     * @since 8
-     * @syscap SystemCapability.Ability.AbilityRuntime.Mission
-     */
-    iconPath: string;
-
-    /**
-     * Indicates whether the mision is continuable.
-     *
-     * @since 8
-     * @syscap SystemCapability.Ability.AbilityRuntime.Mission
-     */
-     continuable: boolean;
+/*
+ * Copyright (c) 2021 Huawei Device Co., Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License"),
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import Want from "../@ohos.application.Want";
+
+/**
+ * Mission information corresponding to ability.
+ *
+ * @since 8
+ * @syscap SystemCapability.Ability.AbilityRuntime.Mission
+ * @systemapi hide for inner use.
+ */
+export interface MissionInfo {
+    /**
+     * Indicates mission id.
+     *
+     * @since 8
+     * @syscap SystemCapability.Ability.AbilityRuntime.Mission
+     */
+    missionId: number;
+
+    /**
+     * Indicates running state.
+     *
+     * @since 8
+     * @syscap SystemCapability.Ability.AbilityRuntime.Mission
+     */
+    runningState: number;
+
+    /**
+     * Indicates locked state.
+     *
+     * @since 8
+     * @syscap SystemCapability.Ability.AbilityRuntime.Mission
+     */
+    lockedState: boolean;
+
+    /**
+     * Indicates the recent created or updated time of the mission.
+     *
+     * @since 8
+     * @syscap SystemCapability.Ability.AbilityRuntime.Mission
+     */
+    timestamp: string;
+
+    /**
+     * Indicates want of the mission.
+     *
+     * @since 8
+     * @syscap SystemCapability.Ability.AbilityRuntime.Mission
+     */
+    want: Want;
+
+    /**
+     * Indicates label of the mission.
+     *
+     * @since 8
+     * @syscap SystemCapability.Ability.AbilityRuntime.Mission
+     */
+    label: string;
+
+    /**
+     * Indicates icon path of the mission.
+     *
+     * @since 8
+     * @syscap SystemCapability.Ability.AbilityRuntime.Mission
+     */
+    iconPath: string;
+
+    /**
+     * Indicates whether the mission is continuable.
+     *
+     * @since 8
+     * @syscap SystemCapability.Ability.AbilityRuntime.Mission
+     */
+     continuable: boolean;
 }
\ No newline at end of file
diff --git a/api/application/MissionListener.d.ts b/api/application/MissionListener.d.ts
index c40968b2796cb08afd5729d8d926c7e26ac9283e..ffae5f46c58674eaaabce86d576092070ecba9fd 100644
--- a/api/application/MissionListener.d.ts
+++ b/api/application/MissionListener.d.ts
@@ -46,7 +46,7 @@ import image from "../@ohos.multimedia.image";
     onMissionDestroyed(mission: number): void;
 
     /**
-     * Called by system when mission shapshot changed.
+     * Called by system when mission snapshot changed.
      *
      * @since 8
      * @syscap SystemCapability.Ability.AbilityRuntime.Mission
@@ -56,7 +56,7 @@ import image from "../@ohos.multimedia.image";
     onMissionSnapshotChanged(mission: number): void;
 
     /**
-     * Called by system when mission moved to fornt.
+     * Called by system when mission moved to front.
      *
      * @since 8
      * @syscap SystemCapability.Ability.AbilityRuntime.Mission
diff --git a/api/application/MissionParameter.d.ts b/api/application/MissionParameter.d.ts
index e1b67f209e1602d710d58b85cb3b78f9c297bd18..a21e1097451d8bbcdf394d83aa99ce7c72040d58 100755
--- a/api/application/MissionParameter.d.ts
+++ b/api/application/MissionParameter.d.ts
@@ -31,7 +31,7 @@ export interface MissionParameter {
     deviceId: string;
 
     /**
-     * If needed to fix the versions confilct.
+     * If needed to fix the versions conflict.
      *
      * @since 9
      * @syscap SystemCapability.Ability.AbilityRuntime.Mission
diff --git a/api/application/ServiceExtensionContext.d.ts b/api/application/ServiceExtensionContext.d.ts
index f2a68b6f2b3ad48f3745c88f153800f73b3ef203..3785406c2b7204a691f1ce7cd1c00294548d910f 100644
--- a/api/application/ServiceExtensionContext.d.ts
+++ b/api/application/ServiceExtensionContext.d.ts
@@ -274,7 +274,7 @@ export default class ServiceExtensionContext extends ExtensionContext {
     connectAbilityWithAccount(want: Want, accountId: number, options: ConnectOptions): number;
 
     /**
-     * Disconnects an ability to a service extension, in contrast to
+     * Disconnect an ability to a service extension, in contrast to
      * {@link connectAbility}.
      *
      * @since 9
@@ -322,7 +322,7 @@ export default class ServiceExtensionContext extends ExtensionContext {
     connectServiceExtensionAbilityWithAccount(want: Want, accountId: number, options: ConnectOptions): number;
 
     /**
-     * Disconnects an ability to a service extension, in contrast to {@link connectAbility}.
+     * Disconnect an ability to a service extension, in contrast to {@link connectAbility}.
      * @param { number } connection - the connection id returned from connectAbility api.
      * @param { AsyncCallback<void> } callback - The callback of disconnectAbility.
      * @throws { BusinessError } 401 - If the input parameter is not valid parameter.
@@ -333,7 +333,7 @@ export default class ServiceExtensionContext extends ExtensionContext {
     disconnectServiceExtensionAbility(connection: number, callback: AsyncCallback<void>): void;
 
     /**
-     * Disconnects an ability to a service extension, in contrast to {@link connectAbility}.
+     * Disconnect an ability to a service extension, in contrast to {@link connectAbility}.
      * @param { number } connection - the connection id returned from connectAbility api.
      * @returns { Promise<void> } The promise returned by the function.
      * @throws { BusinessError } 401 - If the input parameter is not valid parameter.
diff --git a/api/common/full/featureability.d.ts b/api/common/full/featureability.d.ts
index bca1c29fe18111af1e470c9be9efd3fde4ec6095..4a120bfcfc1c1692609f31650edb7886a2ac036c 100644
--- a/api/common/full/featureability.d.ts
+++ b/api/common/full/featureability.d.ts
@@ -44,7 +44,7 @@ export interface SubscribeMessageResponse {
   deviceId: string;
 
   /**
-   * Name of the bundle where the peer ability locates. The name is case sensitive.
+   * Name of the bundle where the peer ability has been located. The name is case sensitive.
    * @since 5
    */
   bundleName: string;
@@ -68,7 +68,7 @@ export interface SubscribeMessageResponse {
  */
 export interface CallAbilityParam {
   /**
-   * Name of the bundle where the ability locates. The name is case sensitive and must be the same as that on the AA side.
+   * Name of the bundle where the ability has been located. The name is case sensitive and must be the same as that on the AA side.
    * @since 5
    */
   bundleName: string;
@@ -114,7 +114,7 @@ export interface CallAbilityParam {
  */
 export interface SubscribeAbilityEventParam {
   /**
-   * Name of the bundle where the ability locates. The name is case sensitive and must be the same as that on the AA side.
+   * Name of the bundle where the ability has been located. The name is case sensitive and must be the same as that on the AA side.
    * @since 5
    */
   bundleName: string;
@@ -161,7 +161,7 @@ export interface SendMessageOptions {
   deviceId: string;
 
   /**
-   * Name of the destination bundle where the ability locates. The name is case sensitive.
+   * Name of the destination bundle where the ability has been located. The name is case sensitive.
    * @since 5
    */
   bundleName: string;
@@ -319,7 +319,7 @@ export declare class FeatureAbility {
   static startAbilityForResult(request: RequestParams): Promise<Result>;
 
   /**
-   * FA call the interface to destory itself and set the result as parameters.
+   * FA call the interface to destroy itself and set the result as parameters.
    * @param request Indicates the request param.
    * @returns A Promise object is returned, which contains the result whether to callback successfully.
    * @since 5
@@ -356,7 +356,7 @@ export declare class FeatureAbility {
   static continueAbility(): Promise<Result>;
 
   /**
-   * Subscribes to events of an AA.
+   * Subscribe to events of an AA.
    * @param param Indicates the request param.
    * @param func Indicates the event reporting callback.
    * @returns A Promise object is returned, which contains the result data returned by the AA. The result is a JSON string.
@@ -366,7 +366,7 @@ export declare class FeatureAbility {
   static subscribeAbilityEvent(param: SubscribeAbilityEventParam, func: Function): Promise<string>;
 
   /**
-   * Unsubscribes from events of an AA.
+   * Unsubscribe from events of an AA.
    * @param param Indicates the request param.
    * @returns A Promise object is returned, which contains the result data returned by the AA. The result is a JSON string.
    * @since 5
@@ -393,7 +393,7 @@ export declare class FeatureAbility {
   static subscribeMsg(options: SubscribeMessageOptions): void;
 
   /**
-   * Cancels the listening for messages sent from other devices.
+   * Cancel the listening for messages sent from other devices.
    * @syscap SystemCapability.ArkUI.ArkUI.Lite
    * @since 5
    * @deprecated since 8
diff --git a/api/common/lite/featureability.d.ts b/api/common/lite/featureability.d.ts
index ebfe0fa4b01bfcd825f671ac674d64b494e0c2c7..36ee944bf29358f1546131880155bcdbdc7234b0 100644
--- a/api/common/lite/featureability.d.ts
+++ b/api/common/lite/featureability.d.ts
@@ -26,7 +26,7 @@ export interface SubscribeMessageResponse {
   deviceId: string;
 
   /**
-   * Name of the bundle where the peer ability locates. The name is case sensitive.
+   * Name of the bundle where the peer ability has been located. The name is case sensitive.
    * @since 5
    */
   bundleName: string;
@@ -57,7 +57,7 @@ export interface SendMessageOptions {
   deviceId: string;
 
   /**
-   * Name of the destination bundle where the ability locates. The name is case sensitive.
+   * Name of the destination bundle where the ability has been located. The name is case sensitive.
    * @since 5
    */
   bundleName: string;
@@ -140,7 +140,7 @@ export declare class FeatureAbility {
   static subscribeMsg(options: SubscribeMessageOptions): void;
 
   /**
-   * Cancels the listening for messages sent from other devices.
+   * Cancel the listening for messages sent from other devices.
    * @syscap SystemCapability.ArkUI.ArkUI.Lite
    * @since 5
    * @deprecated since 8
diff --git a/api/commonEvent/commonEventSubscriber.d.ts b/api/commonEvent/commonEventSubscriber.d.ts
index 128dfb42e8127fe579e736cc86aa4acee8718790..904df95137d14446a4bd9f0cef13db6c3c5a38c3 100644
--- a/api/commonEvent/commonEventSubscriber.d.ts
+++ b/api/commonEvent/commonEventSubscriber.d.ts
@@ -72,7 +72,6 @@ export interface CommonEventSubscriber {
    * Obtains the result data of the current ordered common event.
    *
    * @since 7
-   * @return
    * @returns Returns data of this common event
    */
   getData(): Promise<string>;
@@ -152,7 +151,7 @@ export interface CommonEventSubscriber {
   isStickyCommonEvent(): Promise<boolean>;
 
   /**
-   * Aborts the current ordered common event.
+   * Abort the current ordered common event.
    *
    * @since 7
    * @param callback Indicate the callback function to receive the common event.
@@ -161,7 +160,7 @@ export interface CommonEventSubscriber {
   abortCommonEvent(callback: AsyncCallback<void>): void;
 
   /**
-   * Aborts the current ordered common event.
+   * Abort the current ordered common event.
    *
    * @since 7
    * @returns -
diff --git a/api/notification/notificationSubscriber.d.ts b/api/notification/notificationSubscriber.d.ts
index f2356ec81f6d0943c7de7755327fd739703ea8c6..383eed775ce061d17eb2d913758273bfa75c1113 100644
--- a/api/notification/notificationSubscriber.d.ts
+++ b/api/notification/notificationSubscriber.d.ts
@@ -1,83 +1,83 @@
-/*
- * Copyright (c) 2021 Huawei Device Co., Ltd.
- * Licensed under the Apache License, Version 2.0 (the "License"),
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-import { NotificationRequest } from './notificationRequest';
-import { NotificationSortingMap } from './notificationSortingMap';
-import notification from '../@ohos.notification';
-
-/**
- * Provides methods that will be called back when the subscriber receives a new notification or
- * a notification is canceled.
- *
- * @name NotificationSubscriber
- * @syscap SystemCapability.Notification.Notification
- * @permission N/A
- * @systemapi Hide this for inner system use.
- * @since 7
- */
-export interface NotificationSubscriber {
-  onConsume?:(data: SubscribeCallbackData) => void;
-  onCancel?:(data: SubscribeCallbackData) => void;
-  onUpdate?:(data: NotificationSortingMap) => void;
-  onConnect?:() => void;
-  onDisconnect?:() => void;
-  onDestroy?:() => void;
-
-  /**
-   * Callback when the Do Not Disturb setting changed.
-   * @syscap SystemCapability.Notification.Notification
-   * @since 8
-   */
-  onDoNotDisturbDateChange?:(mode: notification.DoNotDisturbDate) => void;
-
-  /**
-   * Callback when the notificaition permission is changed.
-   * @syscap SystemCapability.Notification.Notification
-   * @since 8
-   */
-  onEnabledNotificationChanged?:(callbackData: EnabledNotificationCallbackData) => void;
-}
-
-/**
- * Provides methods that will be called back when the subscriber receives a new notification or
- * a notification is canceled.
- *
- * @name SubscribeCallbackData
- * @syscap SystemCapability.Notification.Notification
- * @permission N/A
- * @systemapi Hide this for inner system use.
- * @since 7
- */
-export interface SubscribeCallbackData {
-  readonly request: NotificationRequest;
-  readonly sortingMap?: NotificationSortingMap;
-  readonly reason?: number;
-  readonly sound?: string;
-  readonly vibrationValues?: Array<number>;
-}
-
-/**
- * Describes the properties of the application that the permission to send notifications has changed.
- *
- * @name EnabledNotificationCallbackData
- * @syscap SystemCapability.Notification.Notification
- * @systemapi Hide this for inner system use.
- * @since 8
- */
-export interface EnabledNotificationCallbackData {
-  readonly bundle: string;
-  readonly uid: number;
-  readonly enable: boolean;
-}
+/*
+ * Copyright (c) 2021 Huawei Device Co., Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License"),
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import { NotificationRequest } from './notificationRequest';
+import { NotificationSortingMap } from './notificationSortingMap';
+import notification from '../@ohos.notification';
+
+/**
+ * Provides methods that will be called back when the subscriber receives a new notification or
+ * a notification is canceled.
+ *
+ * @name NotificationSubscriber
+ * @syscap SystemCapability.Notification.Notification
+ * @permission N/A
+ * @systemapi Hide this for inner system use.
+ * @since 7
+ */
+export interface NotificationSubscriber {
+  onConsume?:(data: SubscribeCallbackData) => void;
+  onCancel?:(data: SubscribeCallbackData) => void;
+  onUpdate?:(data: NotificationSortingMap) => void;
+  onConnect?:() => void;
+  onDisconnect?:() => void;
+  onDestroy?:() => void;
+
+  /**
+   * Callback when the Do Not Disturb setting changed.
+   * @syscap SystemCapability.Notification.Notification
+   * @since 8
+   */
+  onDoNotDisturbDateChange?:(mode: notification.DoNotDisturbDate) => void;
+
+  /**
+   * Callback when the notification permission is changed.
+   * @syscap SystemCapability.Notification.Notification
+   * @since 8
+   */
+  onEnabledNotificationChanged?:(callbackData: EnabledNotificationCallbackData) => void;
+}
+
+/**
+ * Provides methods that will be called back when the subscriber receives a new notification or
+ * a notification is canceled.
+ *
+ * @name SubscribeCallbackData
+ * @syscap SystemCapability.Notification.Notification
+ * @permission N/A
+ * @systemapi Hide this for inner system use.
+ * @since 7
+ */
+export interface SubscribeCallbackData {
+  readonly request: NotificationRequest;
+  readonly sortingMap?: NotificationSortingMap;
+  readonly reason?: number;
+  readonly sound?: string;
+  readonly vibrationValues?: Array<number>;
+}
+
+/**
+ * Describes the properties of the application that the permission to send notifications has changed.
+ *
+ * @name EnabledNotificationCallbackData
+ * @syscap SystemCapability.Notification.Notification
+ * @systemapi Hide this for inner system use.
+ * @since 8
+ */
+export interface EnabledNotificationCallbackData {
+  readonly bundle: string;
+  readonly uid: number;
+  readonly enable: boolean;
+}