Fatal error: Uncaught exception 'think\exception\ErrorException' with message 'include(D:\wwwroot\yxyzkb\wwwroot\404.html): failed to open stream: No such file or directory' in D:\wwwroot\yxyzkb\wwwroot\thinkphp\library\think\exception\Handle.php:178 Stack trace: #0 D:\wwwroot\yxyzkb\wwwroot\thinkphp\library\think\exception\Handle.php(178): think\Error::appError(2, 'include(D:\\wwwr...', 'D:\\wwwroot\\yxyz...', 178, Array) #1 D:\wwwroot\yxyzkb\wwwroot\thinkphp\library\think\exception\Handle.php(178): think\exception\Handle::convertExceptionToResponse() #2 D:\wwwroot\yxyzkb\wwwroot\thinkphp\library\think\exception\Handle.php(96): think\exception\Handle->convertExceptionToResponse(Object(think\exception\ErrorException)) #3 D:\wwwroot\yxyzkb\wwwroot\thinkphp\library\think\Error.php(52): think\exception\Handle->render(Object(think\exception\ErrorException)) #4 D:\wwwroot\yxyzkb\wwwroot\thinkphp\library\think\Error.php(89): think\Error::appException(Object(think\exception\ErrorException)) #5 [internal function]: think\Error::a in D:\wwwroot\yxyzkb\wwwroot\thinkphp\library\think\exception\Handle.php on line 178