diff --git a/yuthon_hr_attendance/models/overtime_approval.py b/yuthon_hr_attendance/models/overtime_approval.py
index e88f03ecb..e99d4821b 100644
--- a/yuthon_hr_attendance/models/overtime_approval.py
+++ b/yuthon_hr_attendance/models/overtime_approval.py
@@ -66,6 +66,7 @@ class OvertimeApprovals(models.Model):
                 'domain': domain,
             }
 
+
     @api.onchange('users_id', 'start_time')
     def _onchange_att(self):
         if self.users_id and self.start_time:
@@ -110,6 +111,27 @@ class OvertimeApprovals(models.Model):
                 max_hours = 8.0
             rec.duration = min(calculated_hours, max_hours)
 
+            employee = rec.user_id.employee_id
+            if not employee:
+                rec.duration = calculated_hours
+                continue
+
+            # 一个月加班时长不能超过36小时
+            first_day = rec.start_time.replace(day=1, hour=0, minute=0, second=0, microsecond=0)
+            vacation_report = self.env['yuthon.vacation.reports'].search([
+                ('employee_id', '=', employee.id),
+                ('vacation_date', '==', first_day),
+            ], limit=1)
+
+            cop_leave = vacation_report.cop_leave if vacation_report else 0.0
+            leave_hours = calculated_hours
+            if cop_leave + leave_hours > 36:
+                rec.duration = 0.0
+                message = f'本月已请假 {cop_leave} 小时，超过 36 小时上限！'
+                raise ValidationError(message)
+            else:
+                rec.duration = calculated_hours
+
     @api.depends('start_time', 'end_time')
     def _compute_weekday(self):
         weekday_names = ['周一', '周二', '周三', '周四', '周五', '周六', '周日']
diff --git a/yuthon_property_approval/views/property_lease_contract.xml b/yuthon_property_approval/views/property_lease_contract.xml
index 0e83a94c9..be1c5a0c4 100644
--- a/yuthon_property_approval/views/property_lease_contract.xml
+++ b/yuthon_property_approval/views/property_lease_contract.xml
@@ -4,7 +4,7 @@
         <field name="name">property.lease.contract.tree</field>
         <field name="model">property.lease.contract</field>
         <field name="arch" type="xml">
-            <tree string="合同审批" multi_edit="1">
+            <tree string="合同审批" multi_edit="1" >
                 <field name="code"/>
                 <field name="contract_code"/>
                 <field name="lessee_id"/>
@@ -370,6 +370,7 @@
                     <button name="button_lease_extension" type="object" class="btn-primary" string="续租"/>
                     <button name="button_lease_change" type="object" class="btn-primary" string="变更"/>
                     <button name="action_copy_record1" type="object" string="拆分" class="btn-primary"/>
+                    <button name="unlink" string="删除" type="object" icon="fa-trash" groups="base.group_system" confirm="确定要删除选中的记录吗？"/>
                 </header>
                 <field name="property_name"/>
                 <field name="contract_code" decoration-danger="is_equal"/>