diff --git a/yuthon_property_approval/models/property_lease_contract.py b/yuthon_property_approval/models/property_lease_contract.py
index 4197959b3..c4d59e362 100644
--- a/yuthon_property_approval/models/property_lease_contract.py
+++ b/yuthon_property_approval/models/property_lease_contract.py
@@ -652,12 +652,8 @@ class PropertyLeaseContract(models.Model):
         contract_ids = self.env["property.lease.contract"].browse(
             self._context.get('active_ids', self._context.get('active_id')))
         for rec in contract_ids:
-            if rec.electricity_fee_ids:
-                for line in rec.electricity_fee_ids:
-                    line.is_fix_loss = 'no'
-            if rec.water_fee_ids:
-                for line in rec.water_fee_ids:
-                    line.is_fix_loss = 'no'
+            if rec.lessor_line:
+                rec.write({'lessor_line': [(5,)]})
 
     def update_admin_id(self):
         contract_ids = self.env["property.lease.contract"].browse(