Fatal error: Uncaught Error: Class 'control' not found in D:\Server\Apache24\htdocs\zentaopms\extension\xuan\file\ext\control\uploadchatavatar.php:2 Stack trace: #0 {main} thrown in D:\Server\Apache24\htdocs\zentaopms\extension\xuan\file\ext\control\uploadchatavatar.php on line 2