diff --git a/YLErpDAL/Modules/SwapModule/SwapTradeBaseService.cs b/YLErpDAL/Modules/SwapModule/SwapTradeBaseService.cs
index 96ce7534..048d72a0 100644
--- a/YLErpDAL/Modules/SwapModule/SwapTradeBaseService.cs
+++ b/YLErpDAL/Modules/SwapModule/SwapTradeBaseService.cs
@@ -388,7 +388,7 @@ namespace YLErp.Modules.SwapModule
                 calcLast = td.trade_extend.ExtendObj.InterestCalcMode.EndsWith("1");//算尾
             }
             interestStart = calcFirst ? interestStart : interestStart.AddDays(1);
-            if (preSettleDate.HasValue)
+            if (preSettleDate.HasValue && preSettleDate >= interestStart)
             {
                 interestStart = preSettleDate.Value;
             }
@@ -396,7 +396,7 @@ namespace YLErp.Modules.SwapModule
             {
                 interestEnd = interestEnd.AddDays(-1);
             }
-            if (interestStart > interestEnd)
+            if (interestStart > interestEnd || td.StartDate > interestStart)
             {
                 interestStart = interestEnd;
                 return true;//不记利息