From 9ba72be93052f6bf42d0f6e51e0ef9c0a4d90971 Mon Sep 17 00:00:00 2001
From: Administrator <15274802129@163.com>
Date: Thu, 30 Jul 2026 14:50:54 +0800
Subject: [PATCH] feat(gateApi): 添加止盈挂单功能并优化盈亏计算

---
 src/main/java/com/xcong/excoin/modules/gateApi/GateGridTradeService.java |  383 ++++++++++++++++++++++++------------------------------
 1 files changed, 168 insertions(+), 215 deletions(-)

diff --git a/src/main/java/com/xcong/excoin/modules/gateApi/GateGridTradeService.java b/src/main/java/com/xcong/excoin/modules/gateApi/GateGridTradeService.java
index 08f369b..3671ea1 100644
--- a/src/main/java/com/xcong/excoin/modules/gateApi/GateGridTradeService.java
+++ b/src/main/java/com/xcong/excoin/modules/gateApi/GateGridTradeService.java
@@ -376,6 +376,8 @@
      */
     public void onKline(BigDecimal closePrice) {
 
+        log.info("当前价:{}", closePrice);
+
         lastKlinePrice = closePrice;
 
         //初始化0位置的开仓,并且用空的开仓价格,作为价格基准来划分网格
@@ -433,12 +435,28 @@
             BigDecimal target = initialPrincipal.add(config.getExpectedProfit());
 
             FuturesAccount account = futuresApi.listFuturesAccounts(SETTLE);
-            BigDecimal totalEquity = new BigDecimal(account.getTotal()).add(new BigDecimal(account.getUnrealisedPnl()));
+            // 预估平仓手续费 = 持仓量 × 合约乘数 × 入场价 × taker费率
+            BigDecimal multiplier = config.getContractMultiplier();
+            BigDecimal longCloseFee = BigDecimal.ZERO;
+            if (longPositionSize.compareTo(BigDecimal.ZERO) > 0 && longEntryPrice.compareTo(BigDecimal.ZERO) > 0) {
+                longCloseFee = longPositionSize.multiply(multiplier).multiply(longEntryPrice).multiply(TAKER_FEE_RATE);
+            }
+            BigDecimal shortCloseFee = BigDecimal.ZERO;
+            if (shortPositionSize.compareTo(BigDecimal.ZERO) > 0 && shortEntryPrice.compareTo(BigDecimal.ZERO) > 0) {
+                shortCloseFee = shortPositionSize.multiply(multiplier).multiply(shortEntryPrice).multiply(TAKER_FEE_RATE);
+            }
+            BigDecimal estimatedCloseFee = longCloseFee.add(shortCloseFee);
+
+            BigDecimal totalEquity = new BigDecimal(account.getTotal())
+                    .add(new BigDecimal(account.getUnrealisedPnl()))
+                    .subtract(estimatedCloseFee);
 
             if (totalEquity.compareTo(target) > 0) {
                 currentRound++;
                 int maxRounds = config.getRounds();
-                log.info("[Gate] 盈亏达标(净权益{}>目标{}),第{}轮完成", totalEquity, target, currentRound);
+                log.info("[Gate] 盈亏达标(净权益{}→含手续费-{}=实际{}>目标{}),第{}轮完成",
+                        new BigDecimal(account.getTotal()).add(new BigDecimal(account.getUnrealisedPnl())),
+                        estimatedCloseFee, totalEquity, target, currentRound);
 
                 if (maxRounds > 0 && currentRound >= maxRounds) {
                     log.info("[Gate] 已达到运行轮数上限({}),策略停止", maxRounds);
@@ -620,32 +638,12 @@
             return;
         }
 
-        // [Gate-需求1] 多仓止盈触发:清空止盈状态 + 取消最近多仓止损
-        GridElement longTpElem = GridElement.findByLongTakeProfitOrderId(orderId);
-        if (longTpElem != null && StrUtil.isNotEmpty(tradeId) && !tradeId.equals("0")) {
-            longTakeProfitTraderIdParam(longTpElem, null, false);
-            log.info("[Gate] 多仓止盈触发 gridId:{}, orderId:{}", longTpElem.getId(), orderId);
-            cancelNearestLongStopLoss();
-            return;
-        }
-        // [Gate-需求1] 空仓止盈触发:清空止盈状态 + 取消最近空仓止损
-        GridElement shortTpElem = GridElement.findByShortTakeProfitOrderId(orderId);
-        if (shortTpElem != null && StrUtil.isNotEmpty(tradeId) && !tradeId.equals("0")) {
-            shortTakeProfitTraderIdParam(shortTpElem, null, false);
-            log.info("[Gate] 空仓止盈触发 gridId:{}, orderId:{}", shortTpElem.getId(), orderId);
-            cancelNearestShortStopLoss();
-//            checkLastTakeProfitAndRestart();
-            return;
-        }
-
         GridElement longStopLossElem = GridElement.findByLongStopLossOrderId(orderId);
-//        if (longStopLossElem != null && longPositionSize.compareTo(BigDecimal.ZERO) > 0 && StrUtil.isNotEmpty(tradeId) && !tradeId.equals("0")) {
         if (longStopLossElem != null && StrUtil.isNotEmpty(tradeId) && !tradeId.equals("0")) {
             handleLongStopLossTriggered(longStopLossElem, orderId);
             return;
         }
         GridElement shortStopLossElem = GridElement.findByShortStopLossOrderId(orderId);
-//        if (shortStopLossElem != null && shortPositionSize.compareTo(BigDecimal.ZERO) > 0 && StrUtil.isNotEmpty(tradeId) && !tradeId.equals("0")) {
         if (shortStopLossElem != null && StrUtil.isNotEmpty(tradeId) && !tradeId.equals("0")) {
             handleShortStopLossTriggered(shortStopLossElem, orderId);
             return;
@@ -674,60 +672,10 @@
                 // REST 查询可能因交易所延迟返回旧值,与 WS 本地缓存取最大值兜底
                 int posSize = Math.max(queryPositionSize(Position.ModeEnum.DUAL_SHORT), shortPositionSize.intValue());
                 extendShortStopLoss(posSize, shortGridElement.getId());
+                // [Gate] 止盈挂单:超出基础仓位的部分,挂在多仓第一止损位
+                placeExcessTakeProfit(posSize, false);
                 log.info("[Gate] 空单成交 gridId:{}, 当前持仓:{}张", filledQty, posSize);
 
-//                int tpGridId = 0;
-//                GridElement tpElem = GridElement.findById(tpGridId);
-//                // 已有止盈单先取消再重挂
-//                String existingShortTpId = tpElem.getShortTakeProfitOrderId();
-//                if (existingShortTpId != null) {
-//                    executor.cancelConditionalOrder(existingShortTpId, oid -> {
-//                        shortTakeProfitTraderIdParam(tpElem, null, false);
-//                        log.info("[Gate] 空仓止盈取消(gridId:{}),准备重挂", tpGridId);
-//                    });
-//                }
-//                BigDecimal tpPrice = tpElem.getGridPrice();
-//                int finalTpGridId = tpGridId;
-//                executor.placeTakeProfit(
-//                        tpPrice,
-//                        FuturesPriceTrigger.RuleEnum.NUMBER_2,
-//                        ORDER_TYPE_CLOSE_SHORT,
-//                        config.getQuantity(),
-//                        profitId -> {
-//                            shortTakeProfitTraderIdParam(tpElem, profitId, true);
-//                            log.info("[Gate] 空仓止盈挂单, gridId:{}, 触发价:{}, takeProfitId:{}",
-//                                    finalTpGridId, tpPrice, profitId);
-//                        }
-//                );
-
-                // 空仓止盈:超额部分挂止盈,从entry网格向下逐个挂
-                int shortBaseQty = Integer.parseInt(config.getBaseQuantity());
-                int shortGridQty = Integer.parseInt(config.getQuantity());
-                int shortTpCount = posSize > shortBaseQty ? (posSize - shortBaseQty) / shortGridQty : 0;
-
-                int tpSpan = config.getTakeProfitGridSpan();
-                for (int i = 0; i < shortTpCount; i++) {
-                    int tpGridId = shortGridElement.getId() - tpSpan * (i + 1);
-                    GridElement tpElem = GridElement.findById(tpGridId);
-                    // 用 takeProfitPlaced 做同步标记,避免异步回调未执行时重复挂单
-                    if (tpElem == null || tpElem.getShortTraderParam().isTakeProfitPlaced()) {
-                        continue;
-                    }
-                    tpElem.getShortTraderParam().setTakeProfitPlaced(true);
-                    BigDecimal tpPrice = tpElem.getGridPrice();
-                    int finalTpGridId = tpGridId;
-                    executor.placeTakeProfit(
-                            tpPrice,
-                            FuturesPriceTrigger.RuleEnum.NUMBER_2,
-                            ORDER_TYPE_CLOSE_SHORT,
-                            config.getQuantity(),
-                            profitId -> {
-                                shortTakeProfitTraderIdParam(tpElem, profitId, true);
-                                log.info("[Gate] 空仓止盈挂单, gridId:{}, 触发价:{}, takeProfitId:{}",
-                                        finalTpGridId, tpPrice, profitId);
-                            }
-                    );
-                }
             }
         }
         GridElement longGridElement = GridElement.findByLongOrderId(orderId);
@@ -754,60 +702,10 @@
                 // REST 查询可能因交易所延迟返回旧值,与 WS 本地缓存取最大值兜底
                 int posSize = Math.max(queryPositionSize(Position.ModeEnum.DUAL_LONG), longPositionSize.intValue());
                 extendLongStopLoss(posSize, longGridElement.getId());
+                // [Gate] 止盈挂单:超出基础仓位的部分,挂在空仓第一止损位
+                placeExcessTakeProfit(posSize, true);
                 log.info("[Gate] 多单成交 gridId:{}, 当前持仓:{}张", filledQty, posSize);
 
-//                int tpGridId = 0;
-//                GridElement tpElem = GridElement.findById(tpGridId);
-//                // 已有止盈单先取消再重挂
-//                String existingLongTpId = tpElem.getLongTakeProfitOrderId();
-//                if (existingLongTpId != null) {
-//                    executor.cancelConditionalOrder(existingLongTpId, oid -> {
-//                        longTakeProfitTraderIdParam(tpElem, null, false);
-//                        log.info("[Gate] 多仓止盈取消(gridId:{}),准备重挂", tpGridId);
-//                    });
-//                }
-//                BigDecimal tpPrice = tpElem.getGridPrice();
-//                int finalTpGridId = tpGridId;
-//                executor.placeTakeProfit(
-//                        tpPrice,
-//                        FuturesPriceTrigger.RuleEnum.NUMBER_1,
-//                        ORDER_TYPE_CLOSE_LONG,
-//                        negate(config.getQuantity()),
-//                        profitId -> {
-//                            longTakeProfitTraderIdParam(tpElem, profitId, true);
-//                            log.info("[Gate] 多仓止盈挂单, gridId:{}, 触发价:{}, takeProfitId:{}",
-//                                    finalTpGridId, tpPrice, profitId);
-//                        }
-//                );
-
-                // 多仓止盈:超额部分挂止盈,从entry网格向上逐个挂
-                int longBaseQty = Integer.parseInt(config.getBaseQuantity());
-                int longGridQty = Integer.parseInt(config.getQuantity());
-                int longTpCount = posSize > longBaseQty ? (posSize - longBaseQty) / longGridQty : 0;
-
-                int tpSpan = config.getTakeProfitGridSpan();
-                for (int i = 0; i < longTpCount; i++) {
-                    int tpGridId = longGridElement.getId() + tpSpan * (i + 1);
-                    GridElement tpElem = GridElement.findById(tpGridId);
-                    // 用 takeProfitPlaced 做同步标记,避免异步回调未执行时重复挂单
-                    if (tpElem == null || tpElem.getLongTraderParam().isTakeProfitPlaced()) {
-                        continue;
-                    }
-                    tpElem.getLongTraderParam().setTakeProfitPlaced(true);
-                    BigDecimal tpPrice = tpElem.getGridPrice();
-                    int finalTpGridId = tpGridId;
-                    executor.placeTakeProfit(
-                            tpPrice,
-                            FuturesPriceTrigger.RuleEnum.NUMBER_1,
-                            ORDER_TYPE_CLOSE_LONG,
-                            negate(config.getQuantity()),
-                            profitId -> {
-                                longTakeProfitTraderIdParam(tpElem, profitId, true);
-                                log.info("[Gate] 多仓止盈挂单, gridId:{}, 触发价:{}, takeProfitId:{}",
-                                        finalTpGridId, tpPrice, profitId);
-                            }
-                    );
-                }
             }
         }
     }
@@ -1254,7 +1152,22 @@
 
                     if (newEntryGrid != null) {
 
-                        String quantity = String.valueOf((accumulatedLongLossCount + 1) * Integer.parseInt(config.getQuantity()));
+                        String quantity = String.valueOf(Math.max(queryPositionSize(Position.ModeEnum.DUAL_SHORT), shortPositionSize.intValue()) + Integer.parseInt(config.getQuantity()));
+
+                        // 向下检查是否已有多单挂在更低价格网格,有则跳过(防止价格回升后重复挂单)
+                        boolean hasLongOrderBelow = false;
+                        GridElement checkDownCursor = GridElement.findById(newEntryGrid.getDownId());
+                        while (checkDownCursor != null) {
+                            if (checkDownCursor.isHasLongOrder()) {
+                                hasLongOrderBelow = true;
+                                log.info("[Gate] 多仓仓位归零 gridId:{}, 下方gridId:{}已有多单, 跳过本次挂单",
+                                        newEntryGrid.getId(), checkDownCursor.getId());
+                                break;
+                            }
+                            Integer nextDownId = checkDownCursor.getDownId();
+                            checkDownCursor = nextDownId != null ? GridElement.findById(nextDownId) : null;
+                        }
+
                         // 向上遍历取消所有遗留多单(跳过基础入场网格0)
                         GridElement cancelCursor = GridElement.findById(newEntryGrid.getUpId());
                         while (cancelCursor != null) {
@@ -1271,7 +1184,7 @@
                             cancelCursor = nextUpId != null ? GridElement.findById(nextUpId) : null;
                         }
 //                        log.info("[Gate-2] 多仓仓位归零 空仓队列触发, 匹配:{},当前价:{}", matched, currentPrice);
-                        if (!newEntryGrid.isHasLongOrder()) {
+                        if (!newEntryGrid.isHasLongOrder() && !hasLongOrderBelow) {
                             BigDecimal triggerPrice = newEntryGrid.getGridPrice();
                             String size = quantity;
                             log.info("[Gate] 多仓仓位归零 gridId:{}, 挂{}基础张多单",
@@ -1309,7 +1222,23 @@
 
                     if (newEntryGrid != null) {
 
-                        String quantity = String.valueOf((accumulatedShortLossCount + 1) * Integer.parseInt(config.getQuantity()));
+//                        String quantity = String.valueOf((accumulatedShortLossCount + 1) * Integer.parseInt(config.getQuantity()));
+                        String quantity = String.valueOf(Math.max(queryPositionSize(Position.ModeEnum.DUAL_LONG), longPositionSize.intValue()) + Integer.parseInt(config.getQuantity()));
+
+                        // 向上检查是否已有空单挂在更高价格网格,有则跳过(防止价格回落后重复挂单)
+                        boolean hasShortOrderAbove = false;
+                        GridElement checkUpCursor = GridElement.findById(newEntryGrid.getUpId());
+                        while (checkUpCursor != null) {
+                            if (checkUpCursor.isHasShortOrder()) {
+                                hasShortOrderAbove = true;
+                                log.info("[Gate] 空仓仓位归零 gridId:{}, 上方gridId:{}已有空单, 跳过本次挂单",
+                                        newEntryGrid.getId(), checkUpCursor.getId());
+                                break;
+                            }
+                            Integer nextUpId = checkUpCursor.getUpId();
+                            checkUpCursor = nextUpId != null ? GridElement.findById(nextUpId) : null;
+                        }
+
                         // 向下遍历取消所有遗留空单(跳过基础入场网格0)
                         GridElement cancelCursor = GridElement.findById(newEntryGrid.getDownId());
                         while (cancelCursor != null) {
@@ -1326,7 +1255,7 @@
                             cancelCursor = nextDownId != null ? GridElement.findById(nextDownId) : null;
                         }
 //                        log.info("[Gate-4] 空仓仓位归零 多仓队列触发, 匹配:{},当前价:{}", matched, currentPrice);
-                        if (!newEntryGrid.isHasShortOrder()){
+                        if (!newEntryGrid.isHasShortOrder() && !hasShortOrderAbove){
                             BigDecimal triggerPrice = newEntryGrid.getGridPrice();
                             String size = quantity;
                             log.info("[Gate] 空仓仓位归零 gridId:{}, 挂{}基础张多单",
@@ -1347,7 +1276,11 @@
 
         int gridId = gridElement.getId();
         boolean sameGrid = (gridId == lastLongStopLossGridId);
-        accumulatedLongLossCount++;
+        if (sameGrid) {
+            log.info("[Gate] 多仓止损触发 同网格, 忽略");
+            return;
+        }
+
         lastLongStopLossGridId = gridId;
         log.info("[Gate] 多仓止损触发 gridId:{}, 止损次数:{}{}, 开始追单",
                 gridId, accumulatedLongLossCount, sameGrid ? "(同网格)" : "");
@@ -1362,30 +1295,10 @@
 
         // 止损追单:同一网格可有多笔挂单,不判断 isHasLongOrder,直接挂单
         BigDecimal triggerPrice = newEntryGrid.getGridPrice();
-        int posSize = Math.min(queryPositionSize(Position.ModeEnum.DUAL_LONG), longPositionSize.intValue());
-        int maxPos = config.getMaxPositionSize();
-        int targetAmount = sameGrid ? Integer.parseInt(config.getQuantity()) : (accumulatedLongLossCount + 1) * Integer.parseInt(config.getQuantity());
-        int addSize;
-        if (maxPos > 0) {
-            int remainingRoom = maxPos - posSize;
-            if (remainingRoom <= 0) {
-                log.warn("[Gate] 多仓止损触发 gridId:{}, 当前持仓{}/{}已达上限,跳过追单",
-                        gridId, posSize, maxPos);
-                addSize = 0;
-            } else {
-                addSize = Math.min(remainingRoom, targetAmount);
-            }
-        } else {
-            addSize = targetAmount;
-        }
-        if (addSize > 0) {
-            String size = String.valueOf(addSize);
-            log.info("[Gate] 多仓止损触发 gridId:{}, 止损次数:{}, 在gridId:{}补{}张多单(当前{}/上限{})",
-                    gridId, accumulatedLongLossCount, newEntryGridId, size, posSize, maxPos > 0 ? maxPos : "无");
-            newEntryGrid.getLongTraderParam().setQuantity(size);
-            placeEntryOrderWithPreFlag(newEntryGrid, true, triggerPrice,
-                    FuturesPriceTrigger.RuleEnum.NUMBER_1, size);
-        }
+        String size = String.valueOf(Math.max(queryPositionSize(Position.ModeEnum.DUAL_SHORT), shortPositionSize.intValue()) + Integer.parseInt(config.getQuantity()));
+        newEntryGrid.getLongTraderParam().setQuantity(size);
+        placeEntryOrderWithPreFlag(newEntryGrid, true, triggerPrice,
+                FuturesPriceTrigger.RuleEnum.NUMBER_1, size);
 
         // 取消 gridId+2 位置的所有多单
         int cancelGridId = gridId + 2;
@@ -1399,23 +1312,6 @@
             }
         }
 
-        // 止损触发时,取消最远的多仓止盈订单
-        GridElement farthestLongTp = null;
-        for (GridElement e : config.getGridElements()) {
-            if (e.getLongTakeProfitOrderId() != null) {
-                if (farthestLongTp == null || e.getGridPrice().compareTo(farthestLongTp.getGridPrice()) > 0) {
-                    farthestLongTp = e;
-                }
-            }
-        }
-        if (farthestLongTp != null) {
-            String tpOrderId = farthestLongTp.getLongTakeProfitOrderId();
-            GridElement finalFarthestLongTp = farthestLongTp;
-            executor.cancelConditionalOrder(tpOrderId, oid -> {
-                longTakeProfitTraderIdParam(finalFarthestLongTp, null, false);
-                log.info("[Gate] 多仓止损触发, 取消最远止盈 gridId:{}, orderId:{}", finalFarthestLongTp.getId(), tpOrderId);
-            });
-        }
     }
 
     private void handleShortStopLossTriggered(GridElement gridElement, String orderId) {
@@ -1423,7 +1319,10 @@
 
         int gridId = gridElement.getId();
         boolean sameGrid = (gridId == lastShortStopLossGridId);
-        accumulatedShortLossCount++;
+        if (sameGrid) {
+            log.info("[Gate] 空仓止损触发 同网格, 忽略");
+            return;
+        }
         lastShortStopLossGridId = gridId;
         log.info("[Gate] 空仓止损触发 gridId:{}, 止损次数:{}{}, 开始追单",
                 gridId, accumulatedShortLossCount, sameGrid ? "(同网格)" : "");
@@ -1438,30 +1337,10 @@
 
         // 止损追单:同一网格可有多笔挂单,不判断 isHasShortOrder,直接挂单
         BigDecimal triggerPrice = newEntryGrid.getGridPrice();
-        int posSize = Math.min(queryPositionSize(Position.ModeEnum.DUAL_SHORT), shortPositionSize.intValue());
-        int maxPos = config.getMaxPositionSize();
-        int targetAmount = sameGrid ? Integer.parseInt(config.getQuantity()) : (accumulatedShortLossCount + 1) * Integer.parseInt(config.getQuantity());
-        int addSize;
-        if (maxPos > 0) {
-            int remainingRoom = maxPos - posSize;
-            if (remainingRoom <= 0) {
-                log.warn("[Gate] 空仓止损触发 gridId:{}, 当前持仓{}/{}已达上限,跳过追单",
-                        gridId, posSize, maxPos);
-                addSize = 0;
-            } else {
-                addSize = Math.min(remainingRoom, targetAmount);
-            }
-        } else {
-            addSize = targetAmount;
-        }
-        if (addSize > 0) {
-            String size = String.valueOf(addSize);
-            log.info("[Gate] 空仓止损触发 gridId:{}, 止损次数:{}, 在gridId:{}补{}张空单(当前{}/上限{})",
-                    gridId, accumulatedShortLossCount, newEntryGridId, size, posSize, maxPos > 0 ? maxPos : "无");
-            newEntryGrid.getShortTraderParam().setQuantity(size);
-            placeEntryOrderWithPreFlag(newEntryGrid, false, triggerPrice,
-                    FuturesPriceTrigger.RuleEnum.NUMBER_2, negate(size));
-        }
+        String size = String.valueOf(Math.max(queryPositionSize(Position.ModeEnum.DUAL_LONG), longPositionSize.intValue()) + Integer.parseInt(config.getQuantity()));
+        newEntryGrid.getShortTraderParam().setQuantity(size);
+        placeEntryOrderWithPreFlag(newEntryGrid, false, triggerPrice,
+                FuturesPriceTrigger.RuleEnum.NUMBER_2, negate(size));
 
         // 取消 gridId-2 位置的所有空单
         int cancelGridId = gridId - 2;
@@ -1473,24 +1352,6 @@
                     log.info("[Gate] 空仓止损触发, 取消gridId:{}的空单,{}", cancelGridId, cancelOrderId);
                 });
             }
-        }
-
-        // 止损触发时,取消最远的空仓止盈订单
-        GridElement farthestShortTp = null;
-        for (GridElement e : config.getGridElements()) {
-            if (e.getShortTakeProfitOrderId() != null) {
-                if (farthestShortTp == null || e.getGridPrice().compareTo(farthestShortTp.getGridPrice()) < 0) {
-                    farthestShortTp = e;
-                }
-            }
-        }
-        if (farthestShortTp != null) {
-            String tpOrderId = farthestShortTp.getShortTakeProfitOrderId();
-            GridElement finalFarthestShortTp = farthestShortTp;
-            executor.cancelConditionalOrder(tpOrderId, oid -> {
-                shortTakeProfitTraderIdParam(finalFarthestShortTp, null, false);
-                log.info("[Gate] 空仓止损触发, 取消最远止盈 gridId:{}, orderId:{}", finalFarthestShortTp.getId(), tpOrderId);
-            });
         }
     }
 
@@ -1827,6 +1688,98 @@
     }
 
     /**
+     * 挂单成交后,将超出基础仓位的部分挂止盈单,挂在对向仓位的第一止损位上。
+     *
+     * <p>遍历所有 GridElement,找到对向仓位第一个有止损单的网格作为止盈挂单位置。
+     *
+     * <p>例:空仓成交后持仓 8 张,基础 4 张 → 超出 4 张,
+     * 找到多仓第一止损位(如 gridId=-2)→ 在该位置挂空仓止盈单。
+     *
+     * @param posSize  当前总持仓张数
+     * @param isLong   true=多仓成交,false=空仓成交
+     */
+    private void placeExcessTakeProfit(int posSize, boolean isLong) {
+        int baseQty = Integer.parseInt(config.getBaseQuantity());
+        int excessQty = posSize - baseQty;
+        if (excessQty <= 0) {
+            return;
+        }
+
+        // 遍历找到对向仓位第一个有止损单的网格
+        GridElement tpElem = isLong ? findFirstShortStopLossGrid() : findFirstLongStopLossGrid();
+        if (tpElem == null) {
+            log.warn("[Gate] {}止盈挂单失败:未找到对向仓止损位", isLong ? "多仓" : "空仓");
+            return;
+        }
+        int tpGridId = tpElem.getId();
+
+        BigDecimal triggerPrice = tpElem.getGridPrice();
+        String orderType = isLong ? ORDER_TYPE_CLOSE_LONG : ORDER_TYPE_CLOSE_SHORT;
+        // 多仓止盈:价格≥触发价时平仓(NUMBER_1);空仓止盈:价格≤触发价时平仓(NUMBER_2)
+        FuturesPriceTrigger.RuleEnum rule = isLong ? FuturesPriceTrigger.RuleEnum.NUMBER_1
+                : FuturesPriceTrigger.RuleEnum.NUMBER_2;
+        String size = isLong ? negate(String.valueOf(excessQty)) : String.valueOf(excessQty);
+
+//        if (isLong && tpElem.getLongTakeProfitOrderId() != null) {
+//            executor.cancelConditionalOrder(tpElem.getLongTakeProfitOrderId(), oid -> {
+//                longTakeProfitTraderIdParam(tpElem, null, false);
+//                log.info("[Gate] 取消旧止盈, gridId:{}, orderId:{}", tpGridId, oid);
+//            });
+//        } else if (!isLong && tpElem.getShortTakeProfitOrderId() != null) {
+//            executor.cancelConditionalOrder(tpElem.getShortTakeProfitOrderId(), oid -> {
+//                shortTakeProfitTraderIdParam(tpElem, null, false);
+//                log.info("[Gate] 取消旧止盈, gridId:{}, orderId:{}", tpGridId, oid);
+//            });
+//        }
+
+        String finalSize = size;
+        int finalTpGridId = tpGridId;
+        executor.placeTakeProfit(triggerPrice, rule, orderType, size,
+                profitId -> {
+                    if (isLong) {
+                        longTakeProfitTraderIdParam(tpElem, profitId, true);
+                    } else {
+                        shortTakeProfitTraderIdParam(tpElem, profitId, true);
+                    }
+                    log.info("[Gate] {}止盈挂单, gridId:{}, 触发价:{}, 数量:{}, takeProfitId:{}",
+                            isLong ? "多仓" : "空仓", finalTpGridId, triggerPrice, finalSize, profitId);
+                }
+        );
+    }
+
+    /**
+     * 找到有长仓止损单且离 0 最近的网格(第一个多仓止损位)。
+     */
+    private GridElement findFirstLongStopLossGrid() {
+        GridElement first = null;
+        for (GridElement e : config.getGridElements()) {
+            if (!e.getLongStopLossOrderIds().isEmpty()) {
+                // 多仓止损在负数区,取 id 最大(最靠近 0)的
+                if (first == null || e.getId() > first.getId()) {
+                    first = e;
+                }
+            }
+        }
+        return first;
+    }
+
+    /**
+     * 找到有空仓止损单且离 0 最近的网格(第一个空仓止损位)。
+     */
+    private GridElement findFirstShortStopLossGrid() {
+        GridElement first = null;
+        for (GridElement e : config.getGridElements()) {
+            if (!e.getShortStopLossOrderIds().isEmpty()) {
+                // 空仓止损在正数区,取 id 最小(最靠近 0)的
+                if (first == null || e.getId() < first.getId()) {
+                    first = e;
+                }
+            }
+        }
+        return first;
+    }
+
+    /**
      * 延展完成后重挂止损(处理被跳过的入场单成交)。
      * 取消已有止损单并用最新仓位重新挂单,确保止损覆盖最新持仓数。
      */

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