diff --git a/yuthon_property_approval/models/property_lease_contract.py b/yuthon_property_approval/models/property_lease_contract.py
index c6ba8e6d2..d913d759f 100644
--- a/yuthon_property_approval/models/property_lease_contract.py
+++ b/yuthon_property_approval/models/property_lease_contract.py
@@ -343,11 +343,10 @@ class PropertyLeaseContract(models.Model):
             rec.is_electricity = False
             rec.water_fee_ids = [(5, 0, 0)]
             rec.electricity_fee_ids = [(5, 0, 0)]
-
+            rec.department_id = None
             water_fee_values = []
             electricity_fee_values = []
             if rec.lease_ids:
-
                 # 处理每个租赁记录
                 for lease in rec.lease_ids:
                     if lease.address_id: