diff --git a/app/Services/ParkingGateControlService.php b/app/Services/ParkingGateControlService.php
index 57fe943..16f326a 100644
--- a/app/Services/ParkingGateControlService.php
+++ b/app/Services/ParkingGateControlService.php
@@ -42,7 +42,7 @@ class ParkingGateControlService extends BaseService
             $item['channel'] = $ParkingChannel['name'];
             $item['parking'] = Parking::getName($ParkingChannel['parking_id']);
         }
-        $item['enter_type_str'] = $typeArr[$item['enter_type']];
+        $item['enter_type_str'] = $typeArr[$item['enter_type']] ?? '';
         $item['leave_type_str'] = $typeArr[$item['leave_type']] ?? '';
         $item['dwell_time'] = get_time_difference_str(
             $item['enter_at'],