diff --git a/yuthon_wechat/models/hr_attendance_detail.py b/yuthon_wechat/models/hr_attendance_detail.py
index 32f4992a7..b686abddf 100644
--- a/yuthon_wechat/models/hr_attendance_detail.py
+++ b/yuthon_wechat/models/hr_attendance_detail.py
@@ -254,7 +254,7 @@ class HrAttendanceDetail(models.Model):
                     min_hour_from = attendance_obj.employee_id.resource_id.calendar_id.attendance_ids[0].hour_from
                     min_hour = int(min_hour_from)
                     min_minute = int(min_hour_from * 10 % min_hour_from)
-                    max_hour_to = checkin_time.employee_id.resource_id.calendar_id.attendance_ids[-1].hour_to
+                    max_hour_to = attendance_obj.employee_id.resource_id.calendar_id.attendance_ids[-1].hour_to
                     max_hour = int(max_hour_to)
                     max_minute = int(max_hour_to * 10 % max_hour_to)
                     if attendance_obj.is_approval: