Fatal error: Uncaught Error: Class "Symfony\Component\HttpFoundation\File\UploadedFile" not found in D:\Apache24\www\sx.nxytec.cn\xiansheng-api\vendor\laravel\framework\src\Illuminate\Http\UploadedFile.php:13 Stack trace: #0 {main} thrown in D:\Apache24\www\sx.nxytec.cn\xiansheng-api\vendor\laravel\framework\src\Illuminate\Http\UploadedFile.php on line 13