如果要使用多应用模式，你需要安装多应用模式扩展think-multi-app
Fatal error: Uncaught ReflectionException: Class app\Request does not exist in D:\phpstudy_pro\WWW\tp6\vendor\topthink\fr
amework\src\think\Container.php:374 Stack trace: #0 D:\phpstudy_pro\WWW\tp6\vendor\topthink\framework\src\think\Container.php(374): ReflectionClass->__construct('app\\Request') #1 D:\phpstudy_pro\WWW\tp6\vendor\topthink\framework\src\think\Container.php(250): think\Container->invokeClass('app\\Request', Array) #2 D:\phpstudy_pro\WWW\tp6\vendor\topthink\framework\src\think\Http.php(158): think\Container->make('app\\Request', Array, true) #3 D:\phpstudy_pro\WWW\tp6\public\index.php(20): think\Http->run() #4 {main} Next think\exception\ClassNotFoundException: class not exists: app\Request in D:\phpstudy_pro\WWW\tp6\vendor\topthink\framework\src\think\Container.php:376 Stack trace: #0 D:\phpstudy_pro\WWW\tp6\vendor\topthink\framework\src\think\Container.php(250): think\Container->invokeClass('app\\Request', Array) #1 D:\phpstudy_pro\WWW\tp6\vendor\topthink\framework\src\think\Http.php(158): think\Container in D:\phpstudy_pro\WWW\tp6\vendor\topthink\framework\src\think\Container.php on line 376
