Fatal error: Uncaught Error: Class "App\Http\Controllers\Controller" not found in D:\Apache24\www\slaudi.nxytec.cn\pesticide-back-end\app\Http\Controllers\Pda\PdaController.php:27 Stack trace: #0 {main} thrown in D:\Apache24\www\slaudi.nxytec.cn\pesticide-back-end\app\Http\Controllers\Pda\PdaController.php on line 27