diff --git a/backend/order/tasks.py b/backend/order/tasks.py
index cd23bd3..a0a9e56 100644
--- a/backend/order/tasks.py
+++ b/backend/order/tasks.py
@@ -22,12 +22,12 @@ def udpate_bank_status():
         )
         bank.verify(item.tracking_code)
         bank_record = bank_models.Bank.objects.get(tracking_code=item.tracking_code)
-        if bank_record.is_success:
+        if bank_record.is_success and bank_record.order:
             bank_record.order.cart.clear_cart()
             bank_record.order.is_paid = True
             bank_record.order.save()
             logging.debug("This record is verify now.", extra={"pk": bank_record.pk})
-        else:
+        elif bank_record.order:
             order = bank_record.order
             order.rollback_stock()
     return 'update bank record is done'