diff --git a/MarketData/MarketDataLib/Generator/GainLoss/GainLossGenerator.cs b/MarketData/MarketDataLib/Generator/GainLoss/GainLossGenerator.cs
index 4f705b2..29ceedd 100755
--- a/MarketData/MarketDataLib/Generator/GainLoss/GainLossGenerator.cs
+++ b/MarketData/MarketDataLib/Generator/GainLoss/GainLossGenerator.cs
@@ -77,7 +77,8 @@ namespace MarketData.Generator.GainLoss
       if (null == portfolioTrades || 0 == portfolioTrades.Count) return null;
       LocalPriceCache.GetInstance().Add(portfolioTrades);
       DateTime minTradeDate = portfolioTrades.GetMinTradeDate();
-      DateTime maxDate = PricingDA.GetLatestDate();
+//      DateTime maxDate = PricingDA.GetLatestDate();
+      DateTime maxDate=LocalPriceCache.GetInstance().GetLatestDate();
       if(null!=maxDateRef)maxDate=maxDateRef.Value;
       Dictionary<DateTime,TotalGainLossItem> gainLossCollection = new Dictionary<DateTime, TotalGainLossItem>();
       DateGenerator dateGenerator = new DateGenerator();