diff --git a/app/common/logic/store_order/StoreOrderLogic.php b/app/common/logic/store_order/StoreOrderLogic.php
index 07c64b3e3..088e87c8b 100644
--- a/app/common/logic/store_order/StoreOrderLogic.php
+++ b/app/common/logic/store_order/StoreOrderLogic.php
@@ -50,8 +50,9 @@ class StoreOrderLogic extends BaseLogic
             self::$activity_price = 0; //活动减少
             self::$store_price = 0; //门店零售价
             /** 计算价格 */
+            $pay_type = isset($params['pay_type'])?$params['pay_type']:0;
             foreach ($cart_select as $k => $v) {
-                $find = StoreBranchProduct::where(['product_id' => $v['product_id'],'store_id'=>$params['store_id']])->field('id branch_product_id,store_name,image,unit,price,vip_price,cost,purchase,product_id')->withTrashed()->find();
+                $find = StoreBranchProduct::where(['product_id' => $v['product_id'],'store_id'=>$params['store_id']])->field('id branch_product_id,store_name,image,unit,price,vip_price,cost,purchase,product_id,swap')->withTrashed()->find();
                 if (!$find) {
                     continue;
                 }
@@ -75,6 +76,11 @@ class StoreOrderLogic extends BaseLogic
                    $deduction_price_count=bcmul(bcsub($find['price'], $find['cost'], 2),$v['cart_num'],2);
                    $cart_select[$k]['deduction_price'] =$deduction_price_count;
                    self::$activity_price = bcadd(self::$activity_price, $deduction_price_count, 2);
+               }
+               if($pay_type ==19){
+                   if ($find['swap'] <  $cart_select[$k]['cart_num']) {
+                       throw new \Exception('兑换数量不足');
+                   }
                }
                 //利润
                 // $cart_select[$k]['profit'] = bcmul($cart_select[$k]['total_price'],0.05,2); //利润
@@ -111,7 +117,6 @@ class StoreOrderLogic extends BaseLogic
                 self::$store_price = bcadd(self::$store_price, $cart_select[$k]['store_price'], 2);//门店零售价格
                 // self::$profit = bcadd(self::$profit, $cart_select[$k]['profit'], 2);
             }
-            $pay_type = isset($params['pay_type'])?$params['pay_type']:0;
             if ($user && $user['user_ship'] == 1 && $pay_type !=17) {
                 $pay_price = self::$pay_price;
                 $activity_string = '';