From 939d6a4271931190b99b93dac00d2ffd21edb459 Mon Sep 17 00:00:00 2001
From: hjhan <hongjun.han@yieldchain.com>
Date: Tue, 11 Aug 2026 11:05:55 +0800
Subject: [PATCH] =?UTF-8?q?fix(return-leg):=20MtmCalc.UnrealizedPnl=20rati?=
 =?UTF-8?q?o=20=E5=8F=82=E6=95=B0=E6=94=B9=E4=B8=BA=20int?=
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ratio(收取=1/支付=-1)和 shortRatio 一样是 int, 不是 decimal。
1695行 ratio 声明同步从 decimal 改为 int。
C# decimal*int 自动提升为 decimal, 不影响计算结果。

验证: 编译0错误, 全量507测试7失败(基线一致)。
---
 YLErpDAL/Modules/SwapModule/ReturnLegs/MtmCalc.cs     | 2 +-
 YLErpDAL/Modules/SwapModule/SwapEodPositionService.cs | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/YLErpDAL/Modules/SwapModule/ReturnLegs/MtmCalc.cs b/YLErpDAL/Modules/SwapModule/ReturnLegs/MtmCalc.cs
index 82701e11..4bbb5620 100644
--- a/YLErpDAL/Modules/SwapModule/ReturnLegs/MtmCalc.cs
+++ b/YLErpDAL/Modules/SwapModule/ReturnLegs/MtmCalc.cs
@@ -17,6 +17,6 @@ public static class MtmCalc
     /// <summary>盯市未实现盈亏 = (标的价 - 成本全价) × 数量 × 合约乘数 × 多空 × 收付。</summary>
     /// <param name="shortRatio">多头=1, 空头=-1。</param>
     /// <param name="ratio">收取=1, 支付=-1。</param>
-    public static decimal UnrealizedPnl(decimal price, decimal costGrossPrice, decimal qty, decimal contractSize, int shortRatio, decimal ratio)
+    public static decimal UnrealizedPnl(decimal price, decimal costGrossPrice, decimal qty, decimal contractSize, int shortRatio, int ratio)
         => (price - costGrossPrice) * qty * contractSize * shortRatio * ratio;
 }
diff --git a/YLErpDAL/Modules/SwapModule/SwapEodPositionService.cs b/YLErpDAL/Modules/SwapModule/SwapEodPositionService.cs
index 5a4b46e8..408e23e4 100644
--- a/YLErpDAL/Modules/SwapModule/SwapEodPositionService.cs
+++ b/YLErpDAL/Modules/SwapModule/SwapEodPositionService.cs
@@ -1692,7 +1692,7 @@ namespace YLErp.Modules.SwapModule
             bool open)
         {
             payQty = Math.Abs(payQty);
-            decimal ratio = eventFlow.PayDirection == (int)SwapDirectionEnum.收取 ? 1 : -1;//收取为正，支付为负
+            int ratio = eventFlow.PayDirection == (int)SwapDirectionEnum.收取 ? 1 : -1;//收取为正，支付为负
             int shortRatio = newEodPayPosition.PositionType == (int)PositionTypeFlag.Long ? 1 : -1;//多空方向
             newEodPayPosition.ValueDate = eventFlow.PayDate.Value;
             newEodPayPosition.PositionId = eventFlow.PositionId;