diff --git a/api/@ohos.notificationManager.d.ts b/api/@ohos.notificationManager.d.ts
index ee9e5e9c832422665d7d107235fcfe9908c22ca6..8725f50917c654ddd1d89b42f6679255a0fde651 100644
--- a/api/@ohos.notificationManager.d.ts
+++ b/api/@ohos.notificationManager.d.ts
@@ -793,7 +793,7 @@ declare namespace notificationManager {
   function addSlot(type: SlotType): Promise<void>;
 
   /**
-   * Creates notification slots.
+   * Creates a notification slot.
    *
    * @permission ohos.permission.NOTIFICATION_CONTROLLER
    * @param { Array<NotificationSlot> } slots - Indicates the notification slots to be created, which is set by {@link NotificationSlot}.
@@ -814,7 +814,7 @@ declare namespace notificationManager {
   function addSlots(slots: Array<NotificationSlot>, callback: AsyncCallback<void>): void;
 
   /**
-   * Creates notification slots.
+   * Creates a notification slot.
    *
    * @permission ohos.permission.NOTIFICATION_CONTROLLER
    * @param { Array<NotificationSlot> } slots - Indicates the notification slots to be created, which is set by {@link NotificationSlot}.
@@ -3600,7 +3600,8 @@ declare namespace notificationManager {
    *
    * @permission ohos.permission.NOTIFICATION_CONTROLLER and ohos.permission.NOTIFICATION_AGENT_CONTROLLER
    * @param { 'checkNotification' } type - Type of the callback to listen for.
-   * @param { function } [callback] - callback - The callback of check notifications.
+   * @param { function } [callback] - callback - The callback
+   *                                                                                     of check notifications.
    * @throws { BusinessError } 202 - Not system application.
    * @throws { BusinessError } 401 - Parameter error. Possible causes: 1. Mandatory parameters are left unspecified.
    * <br>2. Incorrect parameter types. 3. Parameter verification failed.
@@ -4034,6 +4035,7 @@ declare namespace notificationManager {
    * <br>2. Incorrect parameter types. 3. Parameter verification failed.
    * @syscap SystemCapability.Notification.Notification
    * @systemapi
+   * @since 18
    * @since arkts {'1.1':'18', '1.2':'20'}
    * @arkts 1.1&1.2
    */
@@ -4052,6 +4054,7 @@ declare namespace notificationManager {
    * <br>2. Incorrect parameter types. 3. Parameter verification failed.
    * @syscap SystemCapability.Notification.Notification
    * @systemapi
+   * @since 18
    * @since arkts {'1.1':'18', '1.2':'20'}
    * @arkts 1.1&1.2
    */
diff --git a/api/notification/notificationContent.d.ts b/api/notification/notificationContent.d.ts
index 469caf05052b242c56c17576063a2ccdc85318d6..3e5d6329bad8ab3a0fbf668aa2f6f87354ee0353 100644
--- a/api/notification/notificationContent.d.ts
+++ b/api/notification/notificationContent.d.ts
@@ -376,14 +376,14 @@ export interface NotificationMultiLineContent extends NotificationBasicContent {
   briefText: string;
 
   /**
-   * Long title of the multi-line text notification.
+   * Brief text of the multi-line text notification.
    *
    * @type { string }
    * @syscap SystemCapability.Notification.Notification
    * @since 7
    */
   /**
-   * Long title of the multi-line text notification.
+   * Brief text of the multi-line text notification.
    *
    * @type { string }
    * @syscap SystemCapability.Notification.Notification
@@ -423,7 +423,7 @@ export interface NotificationMultiLineContent extends NotificationBasicContent {
  */
 export interface NotificationPictureContent extends NotificationBasicContent {
   /**
-   * Brief text of the multi-line text notification.
+   * Multi-line content of the multi-line text notification.
    *
    * @type { string }
    * @syscap SystemCapability.Notification.Notification
@@ -723,7 +723,7 @@ export interface NotificationTime {
   initialTime?: number;
 
   /**
-   *
+   * 
    * Count down the time.
    *
    * @type { ?boolean }
diff --git a/api/notification/notificationSubscribeInfo.d.ts b/api/notification/notificationSubscribeInfo.d.ts
index 1b23a086a4ddbb41506ca3a4938a2d01f893c425..44c1c15cfbc26e2c8ad21f0c74a7ad58289ff6c4 100644
--- a/api/notification/notificationSubscribeInfo.d.ts
+++ b/api/notification/notificationSubscribeInfo.d.ts
@@ -18,6 +18,8 @@
  * @kit NotificationKit
  */
 
+import type notificationManager from '../@ohos.notificationManager';
+
 /**
  * Sets filter criteria of publishers for subscribing to desired notifications.
  *
@@ -61,6 +63,16 @@ export interface NotificationSubscribeInfo {
    */
   deviceType?: string;
 
+  /**
+   * Specifies the scope of notification slots for subscription.
+   *
+   * @type { ?Array<notificationManager.SlotType> }
+   * @syscap SystemCapability.Notification.Notification
+   * @systemapi
+   * @since 18
+   */
+  slotTypes?: Array<notificationManager.SlotType>;
+
   /**
    * Filtered notification type range.
    *