自定义优惠

app/admin/controller/order/WholeController.php

@@ -1238,6 +1238,8 @@ class WholeController extends Curd
                 $couponClassify = '折扣';
                 $couponClassifyDesc = $params['preferential'] . '折';
                 $params['order_discount_amount'] = $params['order_amount_total'] - $params['order_amount_pay'];
+            } else{
+                return $json;
             }
             $json[date('Y-m-d H:i:s')] = [
                 'coupon_id' => $params['coupon_id'] ?? null,