diff --git a/packageC/pages/presell/goodsInfo/goodsInfo.js b/packageC/pages/presell/goodsInfo/goodsInfo.js
index 9e79213..be5d872 100644
--- a/packageC/pages/presell/goodsInfo/goodsInfo.js
+++ b/packageC/pages/presell/goodsInfo/goodsInfo.js
@@ -2861,8 +2861,15 @@ Page({
             th.setData({
               g_buy_num: map,
             });
+
+
+            let t_prom_id=gd.prom_id;
+            if(th.data.presellForm){
+              t_prom_id=th.data.presellForm.id;
+            }
+
             getApp().request.get("/api/weshop/order/orderPresell/countBuyGoodsSum", {
-              data: { store_id: os.stoid, user_id: user_id, goods_id: gd.goods_id, prom_id: gd.prom_id },
+              data: { store_id: os.stoid, user_id: user_id, goods_id: gd.goods_id, prom_id: t_prom_id },
               success: function (e) {
                 if (e.data.code == 0) {
                   th.setData({ prom_buy_num: e.data.data.sumgoodsnum })