( ! ) Fatal error: Uncaught Error: Class 'think\Response' not found in C:\wamp64\www\ucenter\vendor\topthink\framework\src\think\response\File.php on line 21
( ! ) Error: Class 'think\Response' not found in C:\wamp64\www\ucenter\vendor\topthink\framework\src\think\response\File.php on line 21
Call Stack
#	Time	Memory	Function	Location
1	0.0001	360536	{main}( )	...\File.php:0