Why doesn't Huawei mobile phone display the verification code notification bar?

Please turn on the status bar notification icon switch, and select the entry path according to the actual situation:

Go to Settings > Notifications > More Notification Settings > In notification prompt mode, turn on the notification switch.

Go to Settings > Notifications > In More Notification Settings, open the status bar to display the notification switch.

If it cannot be solved, please check whether the mute notification switch of the application is turned on. The path is as follows: In Settings > Notifications, search for an application and click to enter the notification management interface, and turn off the mute notification switch in the application.