Fatal error: Out of memory (allocated 524288) (tried to allocate 12288 bytes) in D:\wwwroot\new.qdnzjgs.com\thinkphp\library\think\App.php on line 356

Fatal error: Uncaught exception 'think\exception\ClassNotFoundException' with message 'class not exists: think\App' in D:\wwwroot\new.qdnzjgs.com\thinkphp\library\think\Container.php:442 Stack trace: #0 D:\wwwroot\new.qdnzjgs.com\thinkphp\library\think\Container.php(284): think\Container->invokeClass('think\\App', Array) #1 D:\wwwroot\new.qdnzjgs.com\thinkphp\library\think\Container.php(132): think\Container->make('app', Array, false) #2 D:\wwwroot\new.qdnzjgs.com\thinkphp\library\think\exception\Handle.php(42): think\Container::get('app') #3 D:\wwwroot\new.qdnzjgs.com\thinkphp\library\think\Error.php(51): think\exception\Handle->report(Object(think\exception\ErrorException)) #4 D:\wwwroot\new.qdnzjgs.com\thinkphp\library\think\Error.php(90): think\Error::appException(Object(think\exception\ErrorException)) #5 [internal function]: think\Error::appShutdown() #6 {main} thrown in D:\wwwroot\new.qdnzjgs.com\thinkphp\library\think\Container.php on line 442