diff --git a/yuthon_holiday/models/yuthon_vacation_reports.py b/yuthon_holiday/models/yuthon_vacation_reports.py
index ff9861efe..1460b55fc 100644
--- a/yuthon_holiday/models/yuthon_vacation_reports.py
+++ b/yuthon_holiday/models/yuthon_vacation_reports.py
@@ -18,6 +18,13 @@ class YuthonVacationReports(models.Model):
     working_overtime = fields.Float(string='加班时', compute='_compute_working_overtime', store=True)
     meal_fee = fields.Integer(string="误餐次数", compute='_compute_meal_fee', store=True)
 
+    def update_vac(self):
+        vacation_ids = self.env["yuthon.vacation.reports"].browse(
+            self._context.get('active_ids', self._context.get('active_id')))
+        for record in vacation_ids:
+            penultimate_record = record.overtime_ids[-2]
+            penultimate_record.unlink()
+
     def vacation_delete(self):
         vacation_ids = self.env["yuthon.vacation.reports"].browse(
             self._context.get('active_ids', self._context.get('active_id')))
diff --git a/yuthon_holiday/views/yuthon_vacation_reports_views.xml b/yuthon_holiday/views/yuthon_vacation_reports_views.xml
index 983d51b12..c635d1bd9 100644
--- a/yuthon_holiday/views/yuthon_vacation_reports_views.xml
+++ b/yuthon_holiday/views/yuthon_vacation_reports_views.xml
@@ -109,6 +109,13 @@
         <field name="state">code</field>
         <field name="code">action = model.vacation_delete()</field>
     </record>
+    <record id="all_update_vac" model="ir.actions.server">
+        <field name="name">一次性</field>
+        <field name="model_id" ref="yuthon_holiday.model_yuthon_vacation_reports"/>
+        <field name="binding_model_id" ref="yuthon_holiday.model_yuthon_vacation_reports"/>
+        <field name="state">code</field>
+        <field name="code">action = model.update_vac()</field>
+    </record>
     <record id="details_tree_view" model="ir.ui.view">
         <field name="name">details.tree.tree</field>
         <field name="model">details.tree</field>