diff --git a/app/api/logic/order/OrderLogic.php b/app/api/logic/order/OrderLogic.php
index 517e9c653..7c9c30150 100644
--- a/app/api/logic/order/OrderLogic.php
+++ b/app/api/logic/order/OrderLogic.php
@@ -74,7 +74,10 @@ class OrderLogic extends BaseLogic
 
                 // $productBase = StoreProduct::where('id', $find['product_id'])->withTrashed()->field('price,ot_price,cost')->find();
                 if (isset($check) && $check['status'] == 1) {
-                    self::$activity_price = bcadd(self::$activity_price, bcmul($find['price'],0.9,2), 2);
+                    //零售价*折扣率
+                    $activity_price=bcmul($find['price'],0.9,2);
+                    self::$activity_price = bcadd(self::$activity_price, bcsub($find['price'],$activity_price,2), 2);
+                    $find['price'] = $activity_price;
                 }
                 //利润
                 $onePrice = bcsub($find['price'], $find['cost'], 2);