diff --git a/yuthon_hr_attendance/models/hr_attendance.py b/yuthon_hr_attendance/models/hr_attendance.py
index 117793c6a..5e2851eb3 100644
--- a/yuthon_hr_attendance/models/hr_attendance.py
+++ b/yuthon_hr_attendance/models/hr_attendance.py
@@ -627,7 +627,7 @@ class HrAttendance(models.Model):
         确保选择期间每位员工至少有一条记录
         若没有则创建一条默认记录
         """
-        start_date = fields.Date.from_string('2026-03-20')
+        start_date = fields.Date.from_string('2026-03-01')
         end_date = fields.Date.from_string('2026-03-24')
 
         existing_employees = self.env['hr.employee'].search([('name', 'not in', ['Administrator'])])