diff --git a/YLErpDAL/Modules/SwapModule/SwapTradeService.cs b/YLErpDAL/Modules/SwapModule/SwapTradeService.cs
index 62250b7c..332873f5 100644
--- a/YLErpDAL/Modules/SwapModule/SwapTradeService.cs
+++ b/YLErpDAL/Modules/SwapModule/SwapTradeService.cs
@@ -391,7 +391,7 @@ namespace YLErp.Modules.SwapModule
             td.swap_positions.Add(floatPosition);
             swap_position interestPosition = new swap_position()
             {
-                InterestDirection = (int)SwapDirectionEnum.收取,
+                InterestDirection = flowMerge.BsType == (int)PositionTypeFlag.Long ? (int)SwapDirectionEnum.收取 : (int)SwapDirectionEnum.支付,
                 InterestRateDefault = 0,
                 InterestMode = (int)InterestModeEnum.标的期初全价,
                 InterestPrincipalFix = 0,