diff --git a/yuthon_will_task/models/yuthon_will_task.py b/yuthon_will_task/models/yuthon_will_task.py
index 9b4d1e393..f7f252a5f 100644
--- a/yuthon_will_task/models/yuthon_will_task.py
+++ b/yuthon_will_task/models/yuthon_will_task.py
@@ -94,6 +94,12 @@ class YuthonWillTask(models.Model):
     is_company = fields.Boolean(string="本公司", default=True, compute='_compute_is_company',
                                 search='_search_part_of_company')
 
+    def update_task_state(self):
+        will_ids = self.env["yuthon.will.task"].browse(
+            self._context.get('active_ids', self._context.get('active_id')))
+        for will in will_ids:
+            will.state = 'done'
+
     def _compute_is_company(self):
         active_company_ids = self.env.companies
         for employee in self:
diff --git a/yuthon_will_task/views/yuthon_will_task_views.xml b/yuthon_will_task/views/yuthon_will_task_views.xml
index 4b5c50b84..bb18c816d 100644
--- a/yuthon_will_task/views/yuthon_will_task_views.xml
+++ b/yuthon_will_task/views/yuthon_will_task_views.xml
@@ -402,4 +402,12 @@
         <field name="state">code</field>
         <field name="code">action = model.one_time()</field>
     </record>
+    <record id="all_update_task_state" model="ir.actions.server">
+        <field name="name">状态改为已办</field>
+        <field name="model_id" ref="yuthon_will_task.model_yuthon_will_task"/>
+        <field name="binding_model_id" ref="yuthon_will_task.model_yuthon_will_task"/>
+        <field name="state">code</field>
+        <field name="code">action = model.update_task_state()</field>
+        <field name="groups" eval="[(4, ref('base.group_system'))]"/>
+    </record>
 </odoo>