diff --git a/YLErpDAL/Modules/CalculationModule/HedgePnlCalc.cs b/YLErpDAL/Modules/CalculationModule/HedgePnlCalc.cs
index c09ad06a..34932bb2 100644
--- a/YLErpDAL/Modules/CalculationModule/HedgePnlCalc.cs
+++ b/YLErpDAL/Modules/CalculationModule/HedgePnlCalc.cs
@@ -264,7 +264,7 @@ namespace YLErp.Modules.CalculationModule
                     newPnl.RealizedPnL += closeProfit;
 
                     //减去持仓成本
-                    newPnl.Cost += closeAmount;
+                    newPnl.Cost -= newTrade.TradeAmount* newTrade.TradeSinglePrice;
 
                     //减去持仓份额
                     newPnl.Notional -= closeNotional * posSign;