.

app/admin/controller/order/WholeController.php

@@ -296,8 +296,6 @@ class WholeController extends Curd
             }
         }else if(!empty($payDetail)){
             $payDetail->pay_category = 'CASH';
-        }else{
-            $payDetail->pay_category = '';
         }
 
         if (!empty($order->order_config_json)){