fix(swap): 修复互换实时持仓服务异常处理和结算模块计算问题

- 添加try-catch块包装RealtimeSwapPosition调用以捕获异常
- 记录互换实时持仓服务计算失败的日志
- 修复结算模块金额计算中的空引用问题
- 为unwind百分比、原始名义金额和计数比率添加空值检查

YLErpDAL/Modules/SwapModule/SwapDealService.cs

@@ -1,30 +1,14 @@
-using ClosedXML.Report.Utils;
-using CsvHelper;
-using Microsoft.EntityFrameworkCore.Diagnostics;
-using Microsoft.Extensions.Logging;
-using MoreLinq.Extensions;
+using MoreLinq.Extensions;
 using Newtonsoft.Json;
-using OfficeOpenXml.Drawing;
-using OfficeOpenXml.Drawing.Controls;
-using Org.BouncyCastle.Asn1.Ocsp;
-using Qdp.Pricing.Base.Implementations;
-using Qdp.Pricing.Core.Modules;
-using Qdp.Pricing.Library.Base.Utilities;
 using System.Linq.Expressions;
 using YLErp.BLL;
 using YLErp.BLL.Eod;
-using YLErp.DBModels;
 using YLErp.DBModels.Enums;
-using YLErp.Model;
-using YLErp.Models;
 using YLErp.Modules.DataProviderModule;
 using YLErp.Modules.EodModule;
-using YLErp.Modules.EodModule.QueryModule;
 using YLErp.Modules.TradeModule;
 using YLErp.Modules.TradeModule.DealModule;
 using YLErp.QdpModule;
-using static Microsoft.IO.RecyclableMemoryStreamManager;
-using static YLErp.ConsGlobal;
 
 namespace YLErp.Modules.SwapModule
 {
@@ -799,7 +783,14 @@ namespace YLErp.Modules.SwapModule
             {
                 Task.Run(() =>
                 {
-                    RealtimePnlCalc.RealtimeSwapPosition(new OptUserInfo(0, "互换实时持仓服务", OptUserFrom.Service));
+                    try
+                    {
+                        RealtimePnlCalc.RealtimeSwapPosition(new OptUserInfo(0, "互换实时持仓服务", OptUserFrom.Service));
+                    }
+                    catch (Exception ex)
+                    {
+                        LogFactory.GetLogger<SwapDealService>().Error("互换实时持仓服务计算失败", ex);
+                    }
                 });
             }
         }