diff --git a/app/Http/Controllers/Admin/ParkingAttendantController.php b/app/Http/Controllers/Admin/ParkingAttendantController.php
index c527f84..b7686f3 100644
--- a/app/Http/Controllers/Admin/ParkingAttendantController.php
+++ b/app/Http/Controllers/Admin/ParkingAttendantController.php
@@ -89,7 +89,7 @@ class ParkingAttendantController extends BaseController
 
             $items = $query->latest()->forPage($page, $perPage)->get()->each(
                 function ($item) use ($memberType) {
-                    $item['member_type'] = $memberType[$item['member_type']];
+                    $item['member_type'] = $memberType[$item['member_type']] ?? '';
                     return $item;
                 }
             );