From adb1b90c03b12fba560fff36ad3a0bd7bf3f7c5b Mon Sep 17 00:00:00 2001
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Date: Mon, 10 Aug 2026 13:17:12 +0800
Subject: [PATCH] =?UTF-8?q?fix(swap):=20=E4=BF=AE=E5=A4=8D=E9=A2=84?=
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- 修改InterestPrincipalFix字段从PrepayFix调整为PrepayRemaining
- 添加注释说明GetUnwindInterests方法会用实时腿覆盖初始腿本金
- 确保部分平仓后剩余60%本金的正确计算逻辑
---
 .../Modules/SwapModule/PrepaidPrincipalCloseTraceTest.cs       | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/UnitTestProject/Modules/SwapModule/PrepaidPrincipalCloseTraceTest.cs b/UnitTestProject/Modules/SwapModule/PrepaidPrincipalCloseTraceTest.cs
index c47296e3..45e60bef 100644
--- a/UnitTestProject/Modules/SwapModule/PrepaidPrincipalCloseTraceTest.cs
+++ b/UnitTestProject/Modules/SwapModule/PrepaidPrincipalCloseTraceTest.cs
@@ -71,7 +71,8 @@ namespace YLErp.Modules.SwapModule
                 id = 1001, SwapTradeId = 1, PositionType = (int)PositionTypeFlag.Unknown,
                 InterestDirection = (int)SwapDirectionEnum.收取,
                 InterestMode = (int)InterestModeEnum.初始预付金,
-                InterestRateDefault = Rate, InterestPrincipalFix = PrepayFix,
+                // GetUnwindInterests 会用实时腿覆盖初始腿本金；部分平仓后这里应为剩余 60%。
+                InterestRateDefault = Rate, InterestPrincipalFix = PrepayRemaining,
                 PosiStartDate = Start, PosiMatuirityDate = new DateTime(2027, 7, 28),
                 IsInitial = true, Invalid = false, InterestType = (int)InterestTypeEnum.单利,
                 IsAnnualized = true, interest_rest_days = 1,