lumen namespace problem

ReflectionException in Container.php line 749:
Class AppHttpControllersAppHttpControllersActivityController does not exist

Dashenmen, I configured namespace = "APPhttpControllers" in the routes.php file of the laravel project, and then the above error was reported when I accessed the route. Why is it that the namespace is also configured in the server and no error is reported, but my local error is reported? What is the reason for this

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ReflectionException in Container.php line 749:
Class AppHttpControllersAppHttpControllersActivityController does not exist

Dashenmen, I configured namespace = "APPhttpControllers" in the routes.php file of the laravel project, and then the above error was reported when I accessed the route. Why is it that the namespace is also configured in the server and no error is reported, but my local error is reported? What is the reason for this

I remember correctly, luman seems to have to enter the complete namespace