From 19f8d9a8deef402580b8c0ba3cfaa2cd93b2bd2a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=90=B4=E6=96=B9=E6=B5=B7?= <wufanghai@ylkj7.wecom.work>
Date: Tue, 2 Jun 2026 14:25:30 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E5=A4=8D=E5=BD=93=E6=97=A5=E5=A4=9A?=
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---
 YLErpDAL/Modules/SwapModule/SwapDealService.cs | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/YLErpDAL/Modules/SwapModule/SwapDealService.cs b/YLErpDAL/Modules/SwapModule/SwapDealService.cs
index 63b37584..3fd21bf8 100644
--- a/YLErpDAL/Modules/SwapModule/SwapDealService.cs
+++ b/YLErpDAL/Modules/SwapModule/SwapDealService.cs
@@ -414,7 +414,9 @@ namespace YLErp.Modules.SwapModule
                 }
             }
             //当日有平仓或互换记录时，需要把平仓或互换已经结算的利息从计算结果中扣除，避免重复计算
-            if (closeList != null && closeList.Count > 0)
+            //互换始终需要扣除；平仓仅不算尾时需要（算尾时利息已包含关闭日，无重叠）
+            if (closeList != null && closeList.Count > 0
+                && (eventType == (int)SwapEventTypeEnum.自动互换 || (!calcLast && !newCalcLast)))
             {
                 foreach (var item in interests)
                 {