diff --git a/modules/troll/api_buyorsell.go b/modules/troll/api_buyorsell.go
index 57fd91ce8..3cadf5680 100644
--- a/modules/troll/api_buyorsell.go
+++ b/modules/troll/api_buyorsell.go
@@ -84,24 +84,21 @@ func (this *apiComp) BuyOrSell(session comm.IUserSession, req *pb.TrollBuyOrSell
 			if p == nil {
 				return
 			}
+			var sellPrice int32 // 交易价格
+			if trolltrain.TarinPos == 0 {
+				sellPrice = goods.Goodsprice * goods.StarMoney / 1000
+			} else {
+				sellPrice = int32(p.Coefficient) * goods.Goodsprice / 1000
+			}
 			if v < 0 { // 卖出
-				// 卖出价格
-				var sellPrice int32
-				if trolltrain.TarinPos == 0 {
-					sellPrice = goods.Goodsprice * goods.StarMoney / 1000
-				} else {
-
-					sellPrice = int32(p.Coefficient) * goods.Goodsprice / 1000
-				}
 				if sellPrice > trolltrain.Price[k] { // 赚了
-					earn += (sellPrice - trolltrain.Price[k]) * trolltrain.Items[k]
+					earn += (sellPrice - trolltrain.Price[k]) * v
 				}
-				gold += (sellPrice - trolltrain.Price[k]) * trolltrain.Items[k]
+				gold += sellPrice * v
 			} else { // 买入 计算平均价格
-				totalGold := trolltrain.Items[k] * trolltrain.Price[k]
-				sellPrice := int32(p.Coefficient) * goods.Goodsprice / 1000
+				totalGold := (trolltrain.Items[k] - v) * trolltrain.Price[k]
 				totalGold += v * sellPrice
-				trolltrain.Price[k] = totalGold / (trolltrain.Items[k] + v)
+				trolltrain.Price[k] = totalGold / (trolltrain.Items[k])
 				gold -= v * sellPrice
 			}
 		}
@@ -110,10 +107,9 @@ func (this *apiComp) BuyOrSell(session comm.IUserSession, req *pb.TrollBuyOrSell
 	grid := this.configure.GetTrollRule(comm.TrollItemCount)
 	for _, v := range trolltrain.Items {
 		if v > 0 {
-			gridNum += int32(math.Ceil(float64(v / grid)))
+			gridNum += int32(math.Ceil(float64(v) / float64(grid)))
 		}
 	}
-	// 获取背包格子上限配置
 
 	trolltrain.GridNum = gridNum
 	if gridNum > this.configure.GetTrollRule(comm.TrollGridCount) { // 背包格子上限
@@ -132,8 +128,13 @@ func (this *apiComp) BuyOrSell(session comm.IUserSession, req *pb.TrollBuyOrSell
 			update["npcLv"] = trolltrain.NpcLv
 		}
 	}
-
-	trolltrain.TotalEarn += int64(earn) // 累计获得的金币
+	// 清除数量为0 的
+	for k, v := range trolltrain.Items {
+		if v == 0 {
+			delete(trolltrain.Items, k)
+		}
+	}
+	trolltrain.TotalEarn += -int64(earn) // 累计获得的金币
 	update["items"] = trolltrain.Items
 	update["price"] = trolltrain.Price
 	update["totalEarn"] = trolltrain.TotalEarn