diff --git a/yuthon_property_approval/data/sale_renting_code_data.xml b/yuthon_property_approval/data/sale_renting_code_data.xml
index 05554499f..46dcd8d24 100644
--- a/yuthon_property_approval/data/sale_renting_code_data.xml
+++ b/yuthon_property_approval/data/sale_renting_code_data.xml
@@ -202,4 +202,10 @@
         <field name="prefix">GS%(y)s%(month)s%(day)s</field>
         <field name="padding">3</field>
     </record>
+
+    <record id="property_renamed_sequence" model="ir.sequence">
+        <field name="name">更名编号</field>
+        <field name="code">property_renamed_code</field>
+        <field name="prefix">%(y)s%(month)s%(day)s</field>
+    </record>
 </odoo>
\ No newline at end of file
diff --git a/yuthon_property_approval/models/property_renamed.py b/yuthon_property_approval/models/property_renamed.py
index 1d9d3e6d6..36da926ff 100644
--- a/yuthon_property_approval/models/property_renamed.py
+++ b/yuthon_property_approval/models/property_renamed.py
@@ -11,6 +11,7 @@ class PropertyRenamed(models.Model):
 
     name = fields.Char(string='标题')
     issue_text = fields.Html(string="正文")
+    code = fields.Char(string="编号", default=lambda self: self.env['ir.sequence'].next_by_code('property_renamed_code'))
 
 # 附件
     renaming_materials_ids = fields.Many2many('documents.document', string='更名材料')