diff --git a/UnitTestProject/Modules/SwapModule/SwapDealSettlementTest.cs b/UnitTestProject/Modules/SwapModule/SwapDealSettlementTest.cs
index 85869479..a5c4b50a 100644
--- a/UnitTestProject/Modules/SwapModule/SwapDealSettlementTest.cs
+++ b/UnitTestProject/Modules/SwapModule/SwapDealSettlementTest.cs
@@ -223,6 +223,73 @@ namespace YLErp.Modules.SwapModule
             Console.WriteLine($"SD_003 通过：TradeStatus={td.TradeStatus}，StockEqvNotional={td.StockEqvNotional} ✅");
         }
 
+        // ================================================================
+        // SD_007：SwapUnwind 部分平仓 —— HasPartialUnWind=1，TradeStatus 不变
+        // ================================================================
+
+        /// <summary>
+        /// [SD_007] SwapUnwind 部分平仓（借鉴 testable SwapUnwindScenarioTest.Scenario2）
+        /// ------------------------------------------------------------
+        /// 部分平仓（CloseMethod≠全部平仓 且 ClosePercent≠1）走 else 分支：
+        ///   td.HasPartialUnWind = 1，TradeStatus 保持"确认成交"不变
+        ///   StockEqvNotional/TradeAmount 仍按 CloseNotionalValue/CloseQty 扣减
+        /// </summary>
+        [TestMethod]
+        public void SD_007_SwapUnwind_部分平仓_设HasPartialUnWind且TradeStatus不变()
+        {
+            var td = CreateTrade();
+            var service = new StubDealService(td);
+            // 部分平仓：ClosePercent=0.5, CloseQty=5000, CloseNotionalValue=500000
+            var unwindData = CreateUnwindData(
+                swapRealizedPnL: 3000m, swapMarginAmount: 0m,
+                closeMethod: (int)CloseMethodEnum.部分平仓, closePercent: 0.5m,
+                closeQty: 5000m, closeNotionalValue: 500000m, positionQty: 10000m);
+
+            service.SwapUnwind(unwindData);
+
+            // 部分平仓：设 HasPartialUnWind=1，TradeStatus 不变
+            Assert.AreEqual(1, td.HasPartialUnWind, "部分平仓应设 HasPartialUnWind=1");
+            Assert.AreEqual("确认成交", td.TradeStatus, "部分平仓 TradeStatus 保持不变");
+            // 持仓扣减：原 StockEqvNotional=1000000 - 500000 = 500000
+            Assert.AreEqual(500000.0, td.StockEqvNotional, 0.001, "StockEqvNotional 扣减后=500000");
+            Assert.AreEqual(5000.0, td.TradeAmount, 0.001, "TradeAmount 扣减后=5000");
+            // 资金流水仍有（部分平仓也产生平仓费流水）
+            Assert.AreEqual(1, service.ClientCashCalls.Count, "部分平仓应1条资金流水");
+            Assert.AreEqual(-3000.0, service.ClientCashCalls[0].amount, 0.001, "资金流水=-SwapRealizedPnL");
+            Console.WriteLine($"SD_007 通过：HasPartialUnWind={td.HasPartialUnWind}，TradeStatus={td.TradeStatus}，StockEqvNotional={td.StockEqvNotional} ✅");
+        }
+
+        // ================================================================
+        // SD_008：SwapUnwind 含预付金 —— 两条资金流水（平仓费+应付预付金）
+        // ================================================================
+
+        /// <summary>
+        /// [SD_008] SwapUnwind 含预付金返还（SwapMarginAmount≠0）
+        /// ------------------------------------------------------------
+        /// SwapUnwind 内部：SwapMarginAmount≠0 时追加一条"应付预付金"资金流水。
+        /// 验证：2条流水（平仓费 + 应付预付金），金额和操作类型正确。
+        /// </summary>
+        [TestMethod]
+        public void SD_008_SwapUnwind_含预付金_两条资金流水()
+        {
+            var td = CreateTrade();
+            var service = new StubDealService(td);
+            var unwindData = CreateUnwindData(
+                swapRealizedPnL: 5000m, swapMarginAmount: 2000m,
+                closeMethod: (int)CloseMethodEnum.全部平仓, closePercent: 1m,
+                closeQty: 10000m, closeNotionalValue: 1000000m, positionQty: 10000m);
+
+            service.SwapUnwind(unwindData);
+
+            // 2条资金流水：平仓费 + 应付预付金
+            Assert.AreEqual(2, service.ClientCashCalls.Count, "含预付金时应2条资金流水");
+            Assert.AreEqual(-5000.0, service.ClientCashCalls[0].amount, 0.001, "第1条=平仓费 -SwapRealizedPnL");
+            Assert.AreEqual(ClientCashInCashOut.系统操作_平仓费, service.ClientCashCalls[0].action);
+            Assert.AreEqual(2000.0, service.ClientCashCalls[1].amount, 0.001, "第2条=应付预付金 SwapMarginAmount");
+            Assert.AreEqual(ClientCashInCashOut.系统操作_应付预付金, service.ClientCashCalls[1].action);
+            Console.WriteLine($"SD_008 通过：2条流水，平仓费={service.ClientCashCalls[0].amount}，应付预付金={service.ClientCashCalls[1].amount} ✅");
+        }
+
         // ================================================================
         // SD_004：DealFloatPosition 含费价重算正确（后端唯二真做计算的地方）
         // ================================================================