diff --git a/modules/hero/api_buy.go b/modules/hero/api_buy.go
index 4b7f4ca37..8ce82ca57 100644
--- a/modules/hero/api_buy.go
+++ b/modules/hero/api_buy.go
@@ -28,6 +28,8 @@ func (this *apiComp) Buy(session comm.IUserSession, req *pb.HeroBuyReq) (code pb
 		give       []*cfg.Gameatn
 		totalCount int32 // 当前购买的总次数
 		update     map[string]interface{}
+		price      []int32 // 购买所需的价钱
+		totalCost  float32 // 购买打折系数
 	)
 	update = make(map[string]interface{})
 	if code = this.BuyCheck(session, req); code != pb.ErrorCode_Success {
@@ -45,9 +47,14 @@ func (this *apiComp) Buy(session comm.IUserSession, req *pb.HeroBuyReq) (code pb
 		return
 	}
 	global = this.module.configure.GetGlobalConf()
+	for _, v := range conf.Salelist {
+		price = append(price, v)
+	}
 	if req.BuyType == global.DrawCardSupplement1 {
 		totalCount = record.Onebuy + req.BuyCount
 		update["onebuy"] = totalCount // 记录购买的数据
+		// 重新计算价格
+
 	} else if req.BuyType == global.DrawCardSupplement10 {
 		totalCount = record.Tenbuy + req.BuyCount
 		update["tenbuy"] = totalCount
@@ -59,12 +66,20 @@ func (this *apiComp) Buy(session comm.IUserSession, req *pb.HeroBuyReq) (code pb
 		code = pb.ErrorCode_ShopGoodsIsSoldOut
 		return
 	}
+
+	for i := record.Onebuy; i < req.BuyCount; i++ {
+
+		if i >= int32(len(price)) {
+			totalCost += float32(price[len(price)-1]) / 1000
+		}
+		totalCost += float32(price[i]) / 1000
+	}
 	need = make([]*cfg.Gameatn, len(conf.Need))
 	for i, v := range conf.Need {
 		need[i] = &cfg.Gameatn{
 			A: v.A,
 			T: v.T,
-			N: int32(math.Ceil(float64(v.N)*float64(conf.Sale)/float64(1000))) * req.BuyCount,
+			N: int32(math.Ceil(float64(v.N) * float64(totalCost))),
 		}
 	}
 	// 消耗