fixes

app/Http/Controllers/Controller.php

@@ -11,6 +11,7 @@ use App\Models\User;
 use Illuminate\Foundation\Auth\Access\AuthorizesRequests;
 use Illuminate\Foundation\Validation\ValidatesRequests;
 use Illuminate\Routing\Controller as BaseController;
+use Illuminate\Support\Facades\DB;
 
 class Controller extends BaseController
 {