Fatal error: Uncaught Error: Class 'think\Env' not found in /www/wwwroot/zjhfrt.com/thinkphp/library/think/Response.php:97 Stack trace: #0 /www/wwwroot/zjhfrt.com/thinkphp/library/think/Error.php(52): think\Response->send() #1 /www/wwwroot/zjhfrt.com/thinkphp/library/think/Error.php(88): think\Error::appException(Object(think\exception\ErrorException)) #2 [internal function]: think\Error::appShutdown() #3 {main} thrown in /www/wwwroot/zjhfrt.com/thinkphp/library/think/Response.php on line 97