diff --git a/yuthon_hr_attendance/models/overtime_approval.py b/yuthon_hr_attendance/models/overtime_approval.py
index 20f06e758..a338268f3 100644
--- a/yuthon_hr_attendance/models/overtime_approval.py
+++ b/yuthon_hr_attendance/models/overtime_approval.py
@@ -83,8 +83,8 @@ class OvertimeApprovals(models.Model):
                 holiday_status_id = self.env['hr.leave.type'].search([('name', '=', '补休')])
                 start_year = rec.start_time.date().year
                 if rec.company_id.name == "天河物管":
-                    start_date = datetime(start_year, 9, 1).date()
-                    valid_date = datetime(start_year + 1, 9, 1).date() + relativedelta(months=1) - relativedelta(days=1)
+                    start_date = datetime(start_year, 3, 1).date()
+                    valid_date = datetime(start_year + 1, 3, 1).date() + relativedelta(months=1) - relativedelta(days=1)
                 elif rec.company_id.name == "天河粮储":
                     start_date = datetime(start_year, 7, 1).date()
                     valid_date = datetime(start_year + 1, 6, 30).date()