diff --git a/yuthon_property_approval/models/inherit_yuthon_property.py b/yuthon_property_approval/models/inherit_yuthon_property.py
index 8715d6092..9950c43a5 100644
--- a/yuthon_property_approval/models/inherit_yuthon_property.py
+++ b/yuthon_property_approval/models/inherit_yuthon_property.py
@@ -44,6 +44,28 @@ class PropertyBankStatements(models.Model):
             }
         }
 
+    def unbind(self):
+        statements_ids = self.env["property.bank.statements"].browse(
+            self._context.get('active_ids', self._context.get('active_id'))
+        )
+
+        for statement in statements_ids:
+            bank_account = self.env['property.bank.line'].search([
+                ('bank', '=', statement.name)  # 假设statement.name存储银行账号
+            ])
+            if bank_account.tenant_id:
+                # 获取需要删除的合同明细行
+                lines_to_delete = self.env['property.tenant.line'].search([
+                    ('tenant_id', '=', bank_account.tenant_id.id),
+                    ('lease_contract_id', 'in', statement.contract_ids.ids)
+                ])
+                # 删除合同明细行
+                if lines_to_delete:
+                    lines_to_delete.unlink()
+
+            statement.contract_ids = [(5,)]
+            statement.property_ids = [(5,)]
+
     def button_bank_state(self):
         receivable_ids = self.env["property.bank.statements"].browse(
             self._context.get('active_ids', self._context.get('active_id')))
diff --git a/yuthon_property_approval/models/property_lease_contract.py b/yuthon_property_approval/models/property_lease_contract.py
index a4bac0426..559d7f888 100644
--- a/yuthon_property_approval/models/property_lease_contract.py
+++ b/yuthon_property_approval/models/property_lease_contract.py
@@ -29,10 +29,21 @@ class PropertyTenantLine(models.Model):
     tenant_id = fields.Many2one('property.tenant.information', string="关联租户信息")
     property_ids = fields.Many2many('yuthon.property', string="物业信息")
     lease_contract_id = fields.Many2one('property.lease.contract', string="合同编号")
-    rent = fields.Float(string="租金")
+    rent = fields.Float(related='lease_contract_id.rent', string="租金")
     start_time = fields.Date(related='lease_contract_id.actual_start_time', string="生效日期")
     end_date = fields.Date(related='lease_contract_id.actual_end_time',string="失效日期")
 
+    @api.model
+    def create(self, vals):
+        """在创建记录时自动关联合同对应的物业"""
+        if vals.get('lease_contract_id'):
+            # 获取合同关联的物业明细行并直接提取物业ID列表
+            contract = self.env['property.lease.contract'].browse(vals['lease_contract_id'])
+            property_ids = contract.lease_ids.mapped('address_id.id')
+            if property_ids:
+                vals['property_ids'] = [(6, 0, property_ids)]
+        return super(PropertyTenantLine, self).create(vals)
+
 class PropertyLeaseContract(models.Model):
     _name = 'property.lease.contract'
     _description = '租赁合同审批'
diff --git a/yuthon_property_approval/views/inherit_property_tenant_information_views.xml b/yuthon_property_approval/views/inherit_property_tenant_information_views.xml
index b7d519384..901632fac 100644
--- a/yuthon_property_approval/views/inherit_property_tenant_information_views.xml
+++ b/yuthon_property_approval/views/inherit_property_tenant_information_views.xml
@@ -7,7 +7,7 @@
         <field name="arch" type="xml">
             <xpath expr="//page[@name='bank_ids']" position="after">
                 <page string="合同">
-                    <field name="property_contract_ids">
+                    <field name="property_contract_ids" create="false" edit="false" delete="false">
                         <tree editable="bottom">
                             <field name="tenant_id" column_invisible="1"/>
                             <field name="lease_contract_id"/>
diff --git a/yuthon_property_approval/views/inherit_yuthon_property_views.xml b/yuthon_property_approval/views/inherit_yuthon_property_views.xml
index 39a52bd2e..92b39818d 100644
--- a/yuthon_property_approval/views/inherit_yuthon_property_views.xml
+++ b/yuthon_property_approval/views/inherit_yuthon_property_views.xml
@@ -589,6 +589,11 @@
         <field name="model">property.bank.statements</field>
         <field name="inherit_id" ref="yuthon_property.view_property_bank_statements_tree"/>
         <field name="arch" type="xml">
+            <xpath expr="//tree" position="inside">
+                <header>
+                    <button name="unbind" type="object"  class="btn btn-primary" string="取消绑定"/>
+                </header>
+            </xpath>
             <xpath expr="//field[@name='property_ids']" position="before">
                 <field name="contract_ids" string="合同编号" widget="many2many_tags" readonly="1"/>
             </xpath>
diff --git a/yuthon_property_approval/wizard/binding_information_wizard.py b/yuthon_property_approval/wizard/binding_information_wizard.py
index 54c6f6dab..d5c55b82d 100644
--- a/yuthon_property_approval/wizard/binding_information_wizard.py
+++ b/yuthon_property_approval/wizard/binding_information_wizard.py
@@ -8,21 +8,18 @@ class BindingInformationWizard(models.Model):
     bank_id =  fields.Many2one('property.bank.statements',string="银行")
     property_ids = fields.Many2many('yuthon.property', string='物业')
     contract_ids = fields.Many2many('property.lease.contract',string="租赁合同审批")
-    # 可用物业ID字段（显式指定关联表）
     available_property_ids = fields.Many2many(
         'yuthon.property',
-        'binding_information_wizard_available_property_rel',  # 唯一表名
+        'binding_information_wizard_available_property_rel',
         'wizard_id',
         'property_id',
         compute='_compute_available_records',
         string='可用物业ID',
         store=True
     )
-
-    # 可用合同ID字段（显式指定关联表）
     available_contract_ids = fields.Many2many(
         'property.lease.contract',
-        'binding_information_wizard_available_contract_rel',  # 唯一表名
+        'binding_information_wizard_available_contract_rel',
         'wizard_id',
         'contract_id',
         compute='_compute_available_records',
@@ -30,6 +27,39 @@ class BindingInformationWizard(models.Model):
         store = True
     )
 
+    @api.onchange('property_ids')
+    def onchange_property_ids(self):
+        if not self.property_ids:
+            return
+        new_contract_ids = []
+        for property_id in self.property_ids:
+            # 获取物业关联的合同明细行
+            for line in property_id.property_contract_ids:
+                if line.lease_contract_id:
+                    new_contract_ids.append(line.lease_contract_id.id)
+
+        # 过滤掉已选择的合同，避免重复
+        new_contract_ids = list(set(new_contract_ids) - set(self.contract_ids.ids))
+        if new_contract_ids:
+            self.contract_ids = [(4, contract_id) for contract_id in new_contract_ids]
+
+    @api.onchange('contract_ids')
+    def onchange_contract_ids(self):
+        if not self.contract_ids:
+            return
+        new_property_ids = []
+        for contract_id in self.contract_ids:
+            # 获取合同关联的物业明细行
+            for line in contract_id.lease_ids:
+                if line.address_id:
+                    new_property_ids.append(line.address_id.id)
+        # 过滤掉已选择的物业，避免重复
+        new_property_ids = list(set(new_property_ids) - set(self.property_ids.ids))
+        # 追加新物业（使用操作码4）
+        if new_property_ids:
+            self.property_ids = [(4, property_id) for property_id in new_property_ids]
+
+
     @api.onchange('bank_id')
     def _onchange_bank_id(self):
         """计算可用的物业和合同ID"""
@@ -61,3 +91,18 @@ class BindingInformationWizard(models.Model):
                     bank_id.write({
                         'contract_ids': [(4, cont.id) for cont in new_contracts]
                     })
+
+            # 根据银行账号查找承租方信息
+            bank_account = self.env['property.bank.line'].search([
+                ('bank', '=', self.bank_id.name)
+            ])
+            if bank_account.tenant_id:
+                # 获取已存在的合同明细行的合同ID
+                existing_contract_ids = bank_account.tenant_id.property_contract_ids.mapped('lease_contract_id.id')
+                # 过滤出需要新增的合同（排除已存在的）
+                new_contracts = self.contract_ids.filtered(lambda c: c.id not in existing_contract_ids)
+                for contract in new_contracts:
+                    self.env['property.tenant.line'].sudo().create({
+                        'tenant_id': bank_account.tenant_id.id,
+                        'lease_contract_id': contract.id,
+                    })
\ No newline at end of file