Why are there no apps or notifications in Huawei nova9pro settings?

Change in app notifications.

1. First open the phone and click to select the Open Settings application button.

2. Then click the Select Apps and Notifications button in the new interface.

3. Then click the Select Notification Bar and Status Bar Settings button in the new interface.

4. Then click under the notification bar in the new interface to turn on the notification bar that needs to be set.