diff --git a/modules/caravan/module.go b/modules/caravan/module.go
index 05998dd39..ca1305478 100644
--- a/modules/caravan/module.go
+++ b/modules/caravan/module.go
@@ -149,14 +149,21 @@ func (this *Caravan) InitCaravanItemData(uid string, data *pb.DBCaravan) {
 		goodinfo := &pb.GoodsInfo{
 			Goods: make(map[string]int32, 0),
 		}
-
+		var price int32
 		for _, c := range items {
 
 			if _, ok := data.Period[c.Itemid]; !ok {
 				data.Period[c.Itemid] = &pb.GoodPeriod{}
 			}
-			var price int32
-			price = c.Goodsprice
+			if _, ok := data.Allgoods[index-1]; ok {
+				if _, ok := data.Allgoods[index-1].Goods[c.Itemid]; ok {
+					price = data.Allgoods[index-1].Goods[c.Itemid] // 获取上一次价格
+				}
+			}
+
+			if price == 0 { //
+				price = c.Goodsprice // 获取默认值
+			}
 			data.Period[c.Itemid].CurPeriod += 1
 			if len(c.Changeperiod) == 2 && data.Period[c.Itemid].Period == 0 {
 				data.Period[c.Itemid].Period = comm.GetRandNum(c.Changeperiod[0], c.Changeperiod[1])
@@ -182,6 +189,9 @@ func (this *Caravan) InitCaravanItemData(uid string, data *pb.DBCaravan) {
 				}
 			}
 			if len(c.FluctuationRange) == 2 {
+				if c.Itemid == "21000018" {
+					c.Itemid = "21000018"
+				}
 				p := comm.GetRandNum(c.PriceChangeWeightThree[0], c.PriceChangeWeightThree[1])
 				if bUp { // 价格上涨
 					price = int32(math.Floor(float64(price) * (1.0 + float64(p)/1000.0)))