Why can't Huawei mobile phone WeChat receive information?

If you can't receive the message without opening Huawei's mobile phone WeChat, it is recommended to open the background protection. The operation method is as follows:

1. If your Huawei mobile phone system is above EMUI8.0: Go to Mobile Manager > Start Management, find the corresponding application, and turn off automatic management. Among the three options that pop up, the background activity switch will be allowed to open. The chart is as follows:

2. if your Huawei mobile phone system is below EMUI8.0: enter the mobile phone housekeeper interface, click XX% remaining > lock screen to clean up the application, and turn off the switch that needs to run the application in the background. The chart is as follows: