Fatal error: Uncaught Error: Class "Symfony\Component\Config\FileLocator" not found in D:\Apache24\www\pesticide\备份\pesticide-back-end_bf\vendor\symfony\http-kernel\Config\FileLocator.php:22 Stack trace: #0 {main} thrown in D:\Apache24\www\pesticide\备份\pesticide-back-end_bf\vendor\symfony\http-kernel\Config\FileLocator.php on line 22