Fatal error: Uncaught Error: Class "App\Http\Controllers\Controller" not found in D:\Apache24\www\api.print.nxytec.cn\back\app\Http\Controllers\WMS\PdaManageController.php:21 Stack trace: #0 {main} thrown in D:\Apache24\www\api.print.nxytec.cn\back\app\Http\Controllers\WMS\PdaManageController.php on line 21