diff --git a/yuthon_property/models/yuthon_property.py b/yuthon_property/models/yuthon_property.py
index 48052d77d..a79d1d3de 100644
--- a/yuthon_property/models/yuthon_property.py
+++ b/yuthon_property/models/yuthon_property.py
@@ -156,6 +156,25 @@ class YuthonProperty(models.Model):
         for property_id in property_ids:
             property_id.compute_is_new()
 
+    def update_message(self):
+        property_ids = self.env["yuthon.property"].browse(
+            self._context.get('active_ids', self._context.get('active_id')))
+        for property_rec in property_ids:
+            if not property_rec.manage_information_ids:
+                continue
+            date_groups = {}
+            for line in property_rec.manage_information_ids:
+                date_key = line.start_time or 'no_date'
+                if date_key not in date_groups:
+                    date_groups[date_key] = []
+                date_groups[date_key].append(line.id)
+            ids_to_unlink = []
+            for date_key, line_ids in date_groups.items():
+                if len(line_ids) > 1:
+                    ids_to_unlink.extend(line_ids[1:])
+            if ids_to_unlink:
+                self.env['manage.information.line'].browse(ids_to_unlink).unlink()
+
     @api.depends('manage_information_ids', 'manage_information_ids.start_time',
                  'manage_information_ids.end_date', 'is_done_split')
     def compute_is_new(self):
diff --git a/yuthon_property/views/yuthon_property_views.xml b/yuthon_property/views/yuthon_property_views.xml
index c81d7f92b..9635f43ae 100644
--- a/yuthon_property/views/yuthon_property_views.xml
+++ b/yuthon_property/views/yuthon_property_views.xml
@@ -476,6 +476,13 @@
         <field name="binding_model_id" ref="yuthon_property.model_yuthon_property"/>
         <field name="state">code</field>
         <field name="code">action = model.trigger_company_id()</field>
+    </record>
+     <record id="all_data_update_message" model="ir.actions.server">
+        <field name="name">一次性</field>
+        <field name="model_id" ref="yuthon_property.model_yuthon_property"/>
+        <field name="binding_model_id" ref="yuthon_property.model_yuthon_property"/>
+        <field name="state">code</field>
+        <field name="code">action = model.update_message()</field>
     </record>
     <record id="all_data_update_revert_change" model="ir.actions.server">
         <field name="name">还原物业变更信息</field>