Huawei's mobile phone can't receive WeChat messages when the screen is locked. What should I do?

In the notification center of the mobile phone, just open the WeChat screen lock permission. Taking Huawei G9 mobile phone as an example, the operation steps are as follows:

1. In the setting interface of mobile phone, find the notification bar and status bar, and click Enter.

2. In the notification bar and status bar interface, click the notification center.

3. In the list of notification centers, find WeChat and click Open.

4. In the WeChat interface, open the lock screen display bar at the bottom to complete the operation.