diff --git a/yuthon_property_approval/models/property_lease_contract.py b/yuthon_property_approval/models/property_lease_contract.py
index 384b6d383..9c4b50bfb 100644
--- a/yuthon_property_approval/models/property_lease_contract.py
+++ b/yuthon_property_approval/models/property_lease_contract.py
@@ -22,6 +22,36 @@ class PropertyContractLine(models.Model):
     start_time = fields.Date(string="生效日期")
     end_date = fields.Date(string="失效日期")
 
+    @api.onchange('start_time', 'end_date', 'yuthon_property_id', 'lease_contract_id')
+    def _onchange_contract_dates(self):
+        # 1. 若未关联物业，直接返回
+        if not self.yuthon_property_id:
+            return
+        all_contract_lines = self.env['property.contract.line'].search([
+            ('yuthon_property_id', '=', self.yuthon_property_id.id.origin)
+        ])
+        if not all_contract_lines:
+            return
+        for contract_line in all_contract_lines:
+            if not all([contract_line.lease_contract_id, contract_line.start_time]):
+                continue
+            date_domain = [('meter_date', '>=', contract_line.start_time)]
+            if contract_line.end_date:
+                date_domain.append(('meter_date', '<=', contract_line.end_date))
+
+            domain = [
+                ('yuthon_property_ids', 'in', [self.yuthon_property_id.id.origin]),
+                *date_domain
+            ]
+            meter_models = [self.env["meter.archives.line"], self.env["meter.water.line"]]
+            for model in meter_models:
+                meter_lines = model.search(domain)
+                if meter_lines:
+                    meter_lines.write({
+                        'contract_id': contract_line.lease_contract_id.id,
+                    })
+
+
 class PropertyTenantLine(models.Model):
     _name = 'property.tenant.line'
     _description = '物业承租方合同明细行'