diff --git a/yuthon_hr_attendance/models/overtime_approval.py b/yuthon_hr_attendance/models/overtime_approval.py
index 7c64abe32..a244f3c79 100644
--- a/yuthon_hr_attendance/models/overtime_approval.py
+++ b/yuthon_hr_attendance/models/overtime_approval.py
@@ -307,10 +307,7 @@ class OvertimeApprovals(models.Model):
             if company_id:
                 company = self.env['res.company'].browse(company_id)
                 if company.name == '天河物管':
-                    vals._compute_duration()
                     duration = vals.get('duration')
-                    if duration is None:
-                        raise ValidationError("时长不能为空！请填写有效的加班时长")
                     if duration < 1:
                         raise ValidationError(f"时长不能小于1！当前填写的是{duration}，请重新编辑")
                     if (duration * 2) % 1 != 0: