What is the situation that Huawei mate 10Pro does not prompt, sound or vibrate?

Huawei mate 10Pro didn't send a message, and there was no sound or vibration because all notifications were closed. The specific steps to solve this problem are as follows:

1. First, open Huawei mate 10Pro phone, and click "Notification and Status Bar" in the phone settings.

2. Then click the "Notification Management" option in the pop-up window.

3. Then click "Information" in the pop-up window.

4. Then click to open the switch behind "Notification Ringing and Vibration" in the pop-up window.