From e2fb456bc3b58ad7219ee50d840a3520b82ac373 Mon Sep 17 00:00:00 2001
From: hjhan <hongjun.han@yieldchain.com>
Date: Thu, 16 Jul 2026 20:07:50 +0800
Subject: [PATCH] =?UTF-8?q?fix=20=E5=B9=B3=E4=BB=93(InitUnwind=20L267)?=
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---
 YLErpDAL/Modules/SwapModule/SwapDealService.cs | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/YLErpDAL/Modules/SwapModule/SwapDealService.cs b/YLErpDAL/Modules/SwapModule/SwapDealService.cs
index 246142bd..f27ec368 100644
--- a/YLErpDAL/Modules/SwapModule/SwapDealService.cs
+++ b/YLErpDAL/Modules/SwapModule/SwapDealService.cs
@@ -264,7 +264,12 @@ namespace YLErp.Modules.SwapModule
                 unwindData.PositionQty = position != null ? position.PosiQuantity : Convert.ToDecimal(td.TradeAmount);
                 unwindData.AnnualDays = tradeExtend == null ? 365 : tradeExtend.ExtendObj.AnnualDays;
                 unwindData.CloseMethod = (int)CloseMethodEnum.全部平仓;
-                unwindData.ClosePercent = 1;
+                // 占期初(original)语义(A)：默认"平掉剩余全部持仓" = 剩余名义本金/期初名义本金。
+                // 未平仓时 PosiNotionalValue==NotionalValue → 1（平100%）；部分平仓后自动变为剩余比例（如已平10%则默认90%）。
+                // 与互换/提前终止 InitIncome(L447) 保持一致。
+                unwindData.ClosePercent = unwindData.NotionalValue > 0
+                    ? unwindData.PosiNotionalValue / unwindData.NotionalValue
+                    : 1;
                 unwindData.CloseNotionalValue = unwindData.PosiNotionalValue;
                 unwindData.CloseQty = unwindData.PositionQty;
                 if (position != null)