diff --git a/YLErpDAL/BLL/EodSettlement/ClientBalanceUtility.cs b/YLErpDAL/BLL/EodSettlement/ClientBalanceUtility.cs
index 52ffb2ca..a4cc847b 100644
--- a/YLErpDAL/BLL/EodSettlement/ClientBalanceUtility.cs
+++ b/YLErpDAL/BLL/EodSettlement/ClientBalanceUtility.cs
@@ -1627,8 +1627,10 @@ namespace YLErp.BLL.EodSettlement
                 VmFundSum = roundFunc(item.VmFundSum),
                 OtherFund = roundFunc(item.OtherFund),
                 AmountFund = roundFunc(item.AmountFund),
-                MySideMargin = roundFunc(item.MySideMargin),
-                MaintenanceMargin = roundFunc(item.MaintenanceMargin),
+                //初始/维持保证金金额与每日估值报告同口径（SettlementReportService 账户状况块）：
+                //初始=应付预付金流水净额（SwapInitMargin），维持=−MySideMargin（client_span 反号聚合）
+                MySideMargin = roundFunc(item.SwapInitMargin),
+                MaintenanceMargin = roundFunc(-item.MySideMargin),
                 SwapMarketAmount = roundFunc(item.SwapMarketAmount),
                 SwapMarketAmountPercent = item.SwapMarketAmountPercent,
                 AvailableAmount = roundFunc(item.AvailableAmount),
diff --git a/YLErpWeb/Controllers/clientController.cs b/YLErpWeb/Controllers/clientController.cs
index f1aaae6d..2c7dd6d7 100644
--- a/YLErpWeb/Controllers/clientController.cs
+++ b/YLErpWeb/Controllers/clientController.cs
@@ -671,7 +671,8 @@ namespace YLErp.Web.Controllers
                 x.PayableMargin = clientBalance.PayableMargin;
                 x.TwoSideMargin = clientBalance.TwoSideMargin;
                 x.OtherSideMargin = -clientBalance.OtherSideMargin;
-                x.MySideMargin = clientBalance.MySideMargin;
+                //初始保证金金额=应付预付金流水收付净额（与每日估值报告"初始保证金金额"同口径，SwapInitMargin）
+                x.MySideMargin = clientBalance.SwapInitMargin;
                 x.DeltaMargin = -clientBalance.DeltaMargin;
                 x.IsPayableMarginManual = clientBalance?.IsPayableMarginManual;
                 x.AvailableAmount = clientBalance.AvailableAmount;
@@ -689,7 +690,9 @@ namespace YLErp.Web.Controllers
                 x.EndDesirableFund = x.NetFund + x.SettlementBalance + clientBalance.EndPremiumSum;
                 x.SwapMarketAmount= clientBalance.SwapMarketAmount;
                 x.SwapMarketAmountPercent=clientBalance.SwapMarketAmountPercent;
-                x.MaintenanceMargin=clientBalance.MaintenanceMargin;
+                //维持保证金金额=−MySideMargin（client_span 维持保证金反号聚合，与每日估值报告"维持保证金金额"同口径；
+                //原取 client_span.VariationMargin——该列全库无写入方恒为0）
+                x.MaintenanceMargin = -(clientBalance.MySideMargin);
                 x.NeedAddMargin=clientBalance.NeedAddMargin;
                 x.LastDayRemainFund=clientBalance.LastDayRemainFund;
                 if (clientBalance.MarginOccupation == 0)