diff --git a/yuthon_property/models/property_bank_statements.py b/yuthon_property/models/property_bank_statements.py
index 306e02cd1..fd4e19eb2 100644
--- a/yuthon_property/models/property_bank_statements.py
+++ b/yuthon_property/models/property_bank_statements.py
@@ -46,6 +46,12 @@ class PropertyBankStatements(models.Model):
     is_company = fields.Boolean(compute='_compute_is_company', search='_search_part_of_company')
     receivable_modify_ids = fields.One2many('receivable.modify.line', 'bank_id', string='修改应收单')
 
+    def update_lending_direction(self):
+        bank_ids = self.env["property.bank.statements"].browse(
+            self._context.get('active_ids', self._context.get('active_id')))
+        for bank_id in bank_ids:
+            bank_id.lending_direction = 'loan'
+
     @api.depends_context('uid', 'company')
     @api.depends('your_own_account')
     def _compute_is_company(self):