diff --git a/attendance_iot/models/attendance_iot.py b/attendance_iot/models/attendance_iot.py
index 2ed9dffd2..1c6dba785 100644
--- a/attendance_iot/models/attendance_iot.py
+++ b/attendance_iot/models/attendance_iot.py
@@ -93,6 +93,7 @@ class AttendanceIot(models.Model):
                 'device_sn': record.name,
                 'message_data': json.dumps(msg, ensure_ascii=False)
             }])
+
     def action_send_close_door_sigle(self):
         for record in self:
             msg = {