修改订单优惠查询错误

BBWY.Server.Business/Order/OrderBusiness.cs

@@ -1291,7 +1291,7 @@ namespace BBWY.Server.Business
             var jtoken = response.Data;
 
             var itemList = new List<OrderCouponDetailGroupItemResponse>();
-            var couponDetailVoJToken = jtoken["jingdong_pop_order_coupondetail_responce"]["couponDetailExternal"]["couponDetailVo"];
+            var couponDetailVoJToken = jtoken["jingdong_pop_order_queryCouponDetai_responce"]["couponDetailExternal"]["couponDetailVo"];
             var promotionTaskJArray = couponDetailVoJToken["promotionList"] as JArray;
             if (promotionTaskJArray != null && promotionTaskJArray.Count() > 0)
             {