From b12289898dcc3b61769420df7c43c4eb073c5d57 Mon Sep 17 00:00:00 2001
From: Administrator <15274802129@163.com>
Date: Mon, 08 Jun 2026 12:01:30 +0800
Subject: [PATCH] refactor(gateApi): 优化网格交易逻辑并修复仓位处理问题

---
 src/main/java/com/xcong/excoin/modules/gateApi/GateGridTradeService.java |  430 ++++++++++++++++++++++++++++-------------------------
 1 files changed, 226 insertions(+), 204 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 aafeba4..fede298 100644
--- a/src/main/java/com/xcong/excoin/modules/gateApi/GateGridTradeService.java
+++ b/src/main/java/com/xcong/excoin/modules/gateApi/GateGridTradeService.java
@@ -146,6 +146,12 @@
     private volatile BigDecimal shortPositionSize = BigDecimal.ZERO;
     private Long userId;
     private volatile BigDecimal initialPrincipal = BigDecimal.ZERO;
+    private volatile GateKlineWebSocketClient wsClient;
+
+    /** 多仓挂单张数计数器:止损触发时用当前值挂单,随后+1;挂单成交后重置为1 */
+    private volatile int longEntryQty = 1;
+    /** 空仓挂单张数计数器:止损触发时用当前值挂单,随后+1;挂单成交后重置为1 */
+    private volatile int shortEntryQty = 1;
 
     public GateGridTradeService(GateConfig config) {
         this.config = config;
@@ -305,7 +311,25 @@
         longPriceQueue.clear();
         currentLongOrderIds.clear();
         currentShortOrderIds.clear();
-        log.info("[Gate] 网格策略已启动");
+        longEntryQty = 1;
+        shortEntryQty = 1;
+
+        // 每次重启重新获取当前本金
+        refreshInitialPrincipal();
+
+        log.info("[Gate] 网格策略已启动, 当前本金: {} USDT", initialPrincipal);
+    }
+
+    /**
+     * 重新获取当前账户权益作为初始本金。
+     */
+    private void refreshInitialPrincipal() {
+        try {
+            FuturesAccount account = futuresApi.listFuturesAccounts(SETTLE);
+            this.initialPrincipal = new BigDecimal(account.getTotal());
+        } catch (Exception e) {
+            log.warn("[Gate] 获取初始化本金失败,使用旧值: {}", initialPrincipal);
+        }
     }
 
     /**
@@ -353,11 +377,16 @@
             BigDecimal totalPnl = cumulativePnl.add(unrealizedPnl);
             log.info("[Gate] 已实现:{}, 未实现:{}, 合计:{}",
                     cumulativePnl, unrealizedPnl, totalPnl);
+
+            startGrid();
             return;
         }
 
         //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
         if (state == StrategyState.WAITING_KLINE) {
+            if (wsClient == null || !wsClient.areAllSubscribed()) {
+                return;
+            }
             state = StrategyState.OPENING;
             log.info("[Gate] 首根K线到达,开基底仓位 多空各{}张...", config.getBaseQuantity());
             executor.openLong(config.getBaseQuantity(), (orderId) -> {
@@ -380,6 +409,26 @@
             return;
         }
         checkProfitAndReset();
+
+
+        if (
+                longActive == false &&
+                        longPositionSize.compareTo(BigDecimal.ZERO) == 0){
+
+        }{
+
+            processShortGrid(closePrice);
+        }
+
+
+        if (
+                shortActive == false &&
+                        shortPositionSize.compareTo(BigDecimal.ZERO) == 0){
+
+        }{
+
+            processLongGrid(closePrice);
+        }
     }
 
     // ---- 仓位推送回调 ----
@@ -432,8 +481,8 @@
                 }
             } else {
                 if (longActive && state == StrategyState.ACTIVE) {
-                    log.info("[Gate] 多仓持仓归零,重置策略");
-                    handlePositionZeroAndReset("多仓");
+//                    log.info("[Gate] 多仓持仓归零,重置策略");
+//                    handlePositionZeroAndReset("多仓");
                 }
                 longActive = false;
                 longPositionSize = BigDecimal.ZERO;
@@ -455,8 +504,8 @@
                 }
             } else {
                 if (shortActive && state == StrategyState.ACTIVE) {
-                    log.info("[Gate] 空仓持仓归零,重置策略");
-                    handlePositionZeroAndReset("空仓");
+//                    log.info("[Gate] 空仓持仓归零,重置策略");
+//                    handlePositionZeroAndReset("空仓");
                 }
                 shortActive = false;
                 shortPositionSize = BigDecimal.ZERO;
@@ -559,19 +608,12 @@
         BigDecimal totalPnl = cumulativePnl.add(unrealizedPnl);
         log.info("[Gate] 已实现:{}, 未实现:{}, 合计:{}",
                 cumulativePnl, unrealizedPnl, totalPnl);
-
-        if (totalPnl.compareTo(config.getOverallTp()) >= 0) {
-            log.info("[Gate] 已达止盈目标(合计{})→已停止, 已实现:{}, 未实现:{}",
-                    totalPnl, cumulativePnl, unrealizedPnl);
-            state = StrategyState.STOPPED;
-        } else if (totalPnl.compareTo(config.getMaxLoss().negate()) <= 0) {
+        if(totalPnl.compareTo(config.getMaxLoss().negate()) <= 0) {
             String logMessage = StrUtil.format("[Gate] 已达亏损风险值(合计{}), 已实现:{}, 未实现:{}",
                     totalPnl, cumulativePnl, unrealizedPnl);
             log.info(logMessage);
 
-
             DingTalkUtils.getDefault().sendActionCard("风险提醒", logMessage, config.getApiKey(), "");
-//            state = StrategyState.STOPPED;
         }
     }
 
@@ -768,8 +810,10 @@
             if (shortGridElement.isHasShortOrder() && !tradeId.equals("0")){
                 int filledQty = Integer.parseInt(shortGridElement.getShortTraderParam().getQuantity());
                 shortEntryTraderIdParam(shortGridElement, null, false);
+                shortEntryQty = 1;
                 extendShortStopLoss(filledQty);
                 log.info("[Gate] 空单成交 gridId:{}, qty:{}, 追挂止损", shortGridElement.getId(), filledQty);
+//                checkMaxPositionAndPlaceTakeProfit(false, shortGridElement.getId());
             }
         }
         GridElement longGridElement = GridElement.findByLongOrderId(orderId);
@@ -777,8 +821,10 @@
             if (longGridElement.isHasLongOrder() && !tradeId.equals("0")){
                 int filledQty = Integer.parseInt(longGridElement.getLongTraderParam().getQuantity());
                 longEntryTraderIdParam(longGridElement, null, false);
+                longEntryQty = 1;
                 extendLongStopLoss(filledQty);
                 log.info("[Gate] 多单成交 gridId:{}, qty:{}, 追挂止损", longGridElement.getId(), filledQty);
+//                checkMaxPositionAndPlaceTakeProfit(true, longGridElement.getId());
             }
         }
     }
@@ -902,7 +948,8 @@
             baseGridElement.setShortOrderId(baseShortTraderParam.getEntryOrderId());
             baseGridElement.setHasShortOrder(true);
 
-            for (int id = 2; id <= 11; id++) {
+            int shortTime = Integer.parseInt(config.getBaseQuantity()) + 1;
+            for (int id = 2; id <= shortTime; id++) {
                 GridElement elem = GridElement.findById(id);
                 if (elem == null) {
                     continue;
@@ -913,7 +960,7 @@
                         triggerPrice,
                         FuturesPriceTrigger.RuleEnum.NUMBER_1,
                         ORDER_TYPE_CLOSE_SHORT,
-                        "1",
+                        config.getQuantity(),
                         profitId -> {
                             elem.setShortStopLossOrderId(profitId);
                             GridElement.refreshIndices();
@@ -922,7 +969,9 @@
                 );
             }
 
-            for (int id = -2; id >= -11; id--) {
+
+            int longTime = Integer.parseInt(config.getBaseQuantity()) + 1;
+            for (int id = -2; id >= -longTime; id--) {
                 GridElement elem = GridElement.findById(id);
                 if (elem == null) {
                     continue;
@@ -933,7 +982,7 @@
                         triggerPrice,
                         FuturesPriceTrigger.RuleEnum.NUMBER_2,
                         ORDER_TYPE_CLOSE_LONG,
-                        "-1",
+                        negate(config.getQuantity()),
                         profitId -> {
                             elem.setLongStopLossOrderId(profitId);
                             GridElement.refreshIndices();
@@ -942,7 +991,7 @@
                 );
             }
 
-            log.info("[Gate] 止损单已全部挂完, 空仓止损: 2~11, 多仓止损: -2~-11");
+            log.info("[Gate] 止损单已全部挂完, 空仓止损: 2~{}, 多仓止损: -2~-{}", shortTime, longTime);
             state = StrategyState.ACTIVE;
         }
     }
@@ -1143,209 +1192,96 @@
     }
 
     private void processShortGrid(BigDecimal currentPrice) {
-        int prec = config.getPriceScale();
-        List<BigDecimal> matched = new ArrayList<>();
+        BigDecimal matched = BigDecimal.ZERO;
         synchronized (shortPriceQueue) {
             for (BigDecimal p : shortPriceQueue) {
                 if (p.compareTo(currentPrice) >= 0) {
-                    matched.add(p);
+                    matched =  p;
                 } else {
                     break;
                 }
             }
         }
-        if (matched.isEmpty()) {
+        if (BigDecimal.ZERO.compareTo( matched) == 0) {
             return;
         }
-        log.info("[Gate] 空仓队列触发, 匹配{}个元素, 当前价:{}", matched.size(), currentPrice);
+        log.info("[Gate] 空仓队列触发, 匹配:{},当前价:{}", matched, currentPrice);
 
-        synchronized (shortPriceQueue) {
-            shortPriceQueue.removeAll(matched);
-            BigDecimal min = shortPriceQueue.isEmpty() ? matched.get(matched.size() - 1) : shortPriceQueue.get(shortPriceQueue.size() - 1);
-            BigDecimal gridStep = config.getStep();
-            for (int i = 0; i < matched.size(); i++) {
-                min = min.subtract(gridStep).setScale(prec, RoundingMode.HALF_UP);
-                shortPriceQueue.add(min);
-            }
-            shortPriceQueue.sort((a, b) -> b.compareTo(a));
-        }
+        GridElement matchedUpGridElement = GridElement.findByPrice(matched);
 
-        synchronized (longPriceQueue) {
-            BigDecimal first = longPriceQueue.isEmpty() ? matched.get(matched.size() - 1) : longPriceQueue.get(0);
-            BigDecimal gridStep = config.getStep();
-            for (int i = 1; i <= matched.size(); i++) {
-                BigDecimal elem = first.subtract(gridStep.multiply(BigDecimal.valueOf(i))).setScale(prec, RoundingMode.HALF_UP);
-                longPriceQueue.add(elem);
-            }
-            longPriceQueue.sort(BigDecimal::compareTo);
-            while (longPriceQueue.size() > config.getGridQueueSize()) {
-                longPriceQueue.remove(longPriceQueue.size() - 1);
-            }
-        }
+        Integer upId = matchedUpGridElement.getUpId();
+        GridElement newEntryGrid = GridElement.findById(upId);
+        GridElement cancelGridElement = GridElement.findById(newEntryGrid.getUpId());
 
-        if (!isMarginSafe()) {
-            log.warn("[Gate] 保证金超限,跳过挂条件单");
-        } else {
+        if (cancelGridElement != null) {
+
+            if (newEntryGrid != null) {
+                BigDecimal triggerPrice = newEntryGrid.getGridPrice();
+                String size = cancelGridElement.getLongTraderParam().getQuantity();
+                log.info("[Gate] 多仓仓位归零 gridId:{}, 挂{}基础张多单",
+                        newEntryGrid.getId(),  size);
+                newEntryGrid.getLongTraderParam().setQuantity(size);
+                placeEntryOrderWithPreFlag(newEntryGrid, true, triggerPrice,
+                        FuturesPriceTrigger.RuleEnum.NUMBER_1, size);
+
+            }
 
             /**
-             * 下一个开仓位置
-             *      获取队列第一个元素的价格对应的网格
-             *      判断网格是否能开空仓,如果不能则跳过
-             *      前进方向挂空仓条件单
-             *      后置方向挂多空条件单
+             * 看是否有多仓挂单,有就取消
              */
-            //下一个开仓位置
-            BigDecimal newLongFirst = shortPriceQueue.get(0);
-            GridElement UpGridElement = GridElement.findByPrice(newLongFirst);
-
-            // 判断网格是否能开空仓,如果不能则跳过
-            if (UpGridElement != null) {
-
-//                if (!UpGridElement.isHasShortOrder() && shortEntryPrice.compareTo(newLongFirst) > 0) {
-//
-//                    TraderParam upShortTraderParam = UpGridElement.getShortTraderParam();
-//                    placeEntryOrderWithPreFlag(UpGridElement, false,
-//                            upShortTraderParam.getEntryPrice(),
-//                            FuturesPriceTrigger.RuleEnum.NUMBER_2,
-//                            negate(upShortTraderParam.getQuantity()));
-//                }
-                int i = UpGridElement.getId() + 2;
-                GridElement downGridElement = GridElement.findById(i);
-                if (downGridElement != null){
-
-                    BigDecimal downGridPrice = downGridElement.getGridPrice();
-
-//                    TraderParam downShortTraderParam = downGridElement.getShortTraderParam();
-//                    if (
-//                            !downGridElement.isHasShortOrder() &&
-//                                    downGridPrice.compareTo(longEntryPrice) <= 0 &&
-//                                    downGridPrice.compareTo(shortEntryPrice) >= 0
-//                    ){
-//                        placeEntryOrderWithPreFlag(downGridElement, false,
-//                                downShortTraderParam.getEntryPrice(),
-//                                FuturesPriceTrigger.RuleEnum.NUMBER_1,
-//                                negate(downShortTraderParam.getQuantity()));
-//
-//                    }
-
-                    TraderParam downLongTraderParam = downGridElement.getLongTraderParam();
-                    if (
-                            !downGridElement.isHasLongOrder() &&
-                                    downGridPrice.compareTo(longEntryPrice) <= 0
-                    ){
-                        placeEntryOrderWithPreFlag(downGridElement, true,
-                                downLongTraderParam.getEntryPrice(),
-                                FuturesPriceTrigger.RuleEnum.NUMBER_1,
-                                downLongTraderParam.getQuantity());
-                    }
-                }
+            if (cancelGridElement != null && cancelGridElement.isHasLongOrder()) {
+                executor.cancelConditionalOrder(cancelGridElement.getLongOrderId(), oid -> {
+                    longEntryTraderIdParam(cancelGridElement, null, false);
+                    log.info("[Gate] 多仓仓位归零, 取消gridId:{}的多单", cancelGridElement);
+                });
             }
         }
+
     }
 
     private void processLongGrid(BigDecimal currentPrice) {
-        int prec = config.getPriceScale();
-        List<BigDecimal> matched = new ArrayList<>();
+        BigDecimal matched = BigDecimal.ZERO;
         synchronized (longPriceQueue) {
             for (BigDecimal p : longPriceQueue) {
                 if (p.compareTo(currentPrice) <= 0) {
-                    matched.add(p);
+                    matched = p;
                 } else {
                     break;
                 }
             }
         }
-        if (matched.isEmpty()) {
+        if (BigDecimal.ZERO.compareTo( matched) == 0) {
             return;
         }
 
-        log.info("[Gate] 多仓队列触发, 匹配{}个元素, 当前价:{}", matched.size(), currentPrice);
+        log.info("[Gate] 多仓队列触发, 匹配:{},当前价:{}", matched, currentPrice);
 
-        /**
-         * 匹配到元素后,
-         *  多仓队列更新
-         *  空仓队列更新
-         */
-        synchronized (longPriceQueue) {
-            longPriceQueue.removeAll(matched);
-            BigDecimal max = longPriceQueue.isEmpty() ? matched.get(matched.size() - 1) : longPriceQueue.get(longPriceQueue.size() - 1);
-            BigDecimal gridStep = config.getStep();
-            for (int i = 0; i < matched.size(); i++) {
-                max = max.add(gridStep).setScale(prec, RoundingMode.HALF_UP);
-                longPriceQueue.add(max);
-            }
-            longPriceQueue.sort(BigDecimal::compareTo);
-        }
-        synchronized (shortPriceQueue) {
-            BigDecimal first = shortPriceQueue.isEmpty() ? matched.get(0) : shortPriceQueue.get(0);
-            BigDecimal gridStep = config.getStep();
-            for (int i = 1; i <= matched.size(); i++) {
-                BigDecimal elem = first.add(gridStep.multiply(BigDecimal.valueOf(i))).setScale(prec, RoundingMode.HALF_UP);
-                shortPriceQueue.add(elem);
-            }
-            shortPriceQueue.sort((a, b) -> b.compareTo(a));
-            while (shortPriceQueue.size() > config.getGridQueueSize()) {
-                shortPriceQueue.remove(shortPriceQueue.size() - 1);
-            }
-        }
+        GridElement matchedUpGridElement = GridElement.findByPrice(matched);
 
-        if (!isMarginSafe()) {
-            log.warn("[Gate] 保证金超限,跳过挂条件单");
-        } else {
+        Integer downId = matchedUpGridElement.getDownId();
+        GridElement newEntryGrid = GridElement.findById(downId);
+        GridElement cancelGridElement = GridElement.findById(newEntryGrid.getDownId());
+
+        if (cancelGridElement != null) {
+
+            if (newEntryGrid != null) {
+                BigDecimal triggerPrice = newEntryGrid.getGridPrice();
+                String size = cancelGridElement.getShortTraderParam().getQuantity();
+                log.info("[Gate] 空仓仓位归零 gridId:{}, 挂{}基础张多单",
+                        newEntryGrid.getId(),  size);
+                newEntryGrid.getShortTraderParam().setQuantity(size);
+                placeEntryOrderWithPreFlag(newEntryGrid, false, triggerPrice,
+                        FuturesPriceTrigger.RuleEnum.NUMBER_2, negate(size));
+            }
 
             /**
-             * 下一个开仓位置
-             *      获取队列第一个元素的价格对应的网格
-             *      判断网格是否能开多仓,如果不能则跳过
-             *      前进方向挂多仓条件单
-             *      后置方向挂多空条件单
+             * 看是否有空仓挂单,有就取消
              */
-            //下一个开仓位置
-            BigDecimal newLongFirst = longPriceQueue.get(0);
-            GridElement UpGridElement = GridElement.findByPrice(newLongFirst);
-
-            // 判断网格是否能开多仓,如果不能则跳过
-            if (UpGridElement != null) {
-
-//                if (!UpGridElement.isHasLongOrder() && longEntryPrice.compareTo(newLongFirst) < 0) {
-//                    TraderParam upLongTraderParam = UpGridElement.getLongTraderParam();
-//                    placeEntryOrderWithPreFlag(UpGridElement, true,
-//                            upLongTraderParam.getEntryPrice(),
-//                            FuturesPriceTrigger.RuleEnum.NUMBER_1,
-//                            config.getQuantity());
-//                }
-
-                int i = UpGridElement.getId() - 2;
-                GridElement downGridElement = GridElement.findById(i);
-                if (downGridElement != null){
-
-                    BigDecimal downGridPrice = downGridElement.getGridPrice();
-
-//                    TraderParam downLongTraderParam = downGridElement.getLongTraderParam();
-//                    if (
-//                            !downGridElement.isHasLongOrder() &&
-//                                    downGridPrice.compareTo(shortEntryPrice) >= 0 &&
-//                                    downGridPrice.compareTo(longEntryPrice) <= 0
-//                    ){
-//                        placeEntryOrderWithPreFlag(downGridElement, true,
-//                                downLongTraderParam.getEntryPrice(),
-//                                FuturesPriceTrigger.RuleEnum.NUMBER_2,
-//                                config.getQuantity());
-//
-//                    }
-
-                    TraderParam shortTraderParam = downGridElement.getShortTraderParam();
-                    if (
-                            !downGridElement.isHasShortOrder() &&
-                                    downGridPrice.compareTo(shortEntryPrice) >= 0
-                    ){
-
-                        placeEntryOrderWithPreFlag(downGridElement, false,
-                                shortTraderParam.getEntryPrice(),
-                                FuturesPriceTrigger.RuleEnum.NUMBER_2,
-                                negate(config.getQuantity()));
-                    }
-                }
+            if (cancelGridElement != null && cancelGridElement.isHasShortOrder()) {
+                executor.cancelConditionalOrder(cancelGridElement.getShortOrderId(), oid -> {
+                    shortEntryTraderIdParam(cancelGridElement, null, false);
+                    log.info("[Gate] 空仓仓位归零, 取消gridId:{}的多单", cancelGridElement);
+                });
             }
         }
     }
@@ -1377,12 +1313,11 @@
         }
 
         BigDecimal triggerPrice = newEntryGrid.getGridPrice();
-        BigDecimal priceDiff = longEntryPrice.subtract(triggerPrice).abs();
-        int entryQty = priceDiff.divide(config.getStep(), 0, RoundingMode.DOWN).intValue();
-        entryQty = Math.max(1, entryQty);
-        String size = String.valueOf(entryQty);
-        log.info("[Gate] 多仓止损触发 gridId:{}, 在gridId:{}挂{}张多单, 均价:{}, 价差:{}, 步长:{}",
-                gridId, newEntryGridId, entryQty, longEntryPrice, priceDiff, config.getStep());
+        longEntryQty++;
+        int entryQty = longEntryQty;
+        String size = new BigDecimal(String.valueOf(entryQty)).multiply(new BigDecimal(config.getQuantity())).toString();
+        log.info("[Gate] 多仓止损触发 gridId:{}, 在gridId:{}挂{}基础张多单(计数器:{}, size:{})",
+                gridId, newEntryGridId, entryQty, longEntryQty, size);
         newEntryGrid.getLongTraderParam().setQuantity(size);
         placeEntryOrderWithPreFlag(newEntryGrid, true, triggerPrice,
                 FuturesPriceTrigger.RuleEnum.NUMBER_1, size);
@@ -1417,12 +1352,11 @@
 
 
         BigDecimal triggerPrice = newEntryGrid.getGridPrice();
-        BigDecimal priceDiff = shortEntryPrice.subtract(triggerPrice).abs();
-        int entryQty = priceDiff.divide(config.getStep(), 0, RoundingMode.DOWN).intValue();
-        entryQty = Math.max(1, entryQty);
-        String size = String.valueOf(entryQty);
-        log.info("[Gate] 空仓止损触发 gridId:{}, 在gridId:{}挂{}张空单, 均价:{}, 价差:{}, 步长:{}",
-                gridId, newEntryGridId, entryQty, shortEntryPrice, priceDiff, config.getStep());
+        shortEntryQty++;
+        int entryQty = shortEntryQty;
+        String size = new BigDecimal(String.valueOf(entryQty)).multiply(new BigDecimal(config.getQuantity())).toString();
+        log.info("[Gate] 空仓止损触发 gridId:{}, 在gridId:{}挂{}基础张空单(计数器:{}, size:{})",
+                gridId, newEntryGridId, entryQty, shortEntryQty, size);
         newEntryGrid.getShortTraderParam().setQuantity(size);
         placeEntryOrderWithPreFlag(newEntryGrid, false, triggerPrice,
                 FuturesPriceTrigger.RuleEnum.NUMBER_2, negate(size));
@@ -1451,7 +1385,7 @@
                     triggerPrice,
                     FuturesPriceTrigger.RuleEnum.NUMBER_2,
                     ORDER_TYPE_CLOSE_LONG,
-                    "-1",
+                    negate(config.getQuantity()),
                     profitId -> {
                         elem.setLongStopLossOrderId(profitId);
                         GridElement.refreshIndices();
@@ -1484,7 +1418,7 @@
                     triggerPrice,
                     FuturesPriceTrigger.RuleEnum.NUMBER_1,
                     ORDER_TYPE_CLOSE_SHORT,
-                    "1",
+                    config.getQuantity(),
                     profitId -> {
                         elem.setShortStopLossOrderId(profitId);
                         GridElement.refreshIndices();
@@ -1494,21 +1428,103 @@
         }
     }
 
+    /**
+     * 通过 REST API 查询实时持仓,超限则在下一网格挂止盈单。
+     * 使用异步执行避免阻塞 WS 回调线程。
+     *
+     * @param isLong 是否为多仓方向
+     * @param gridId 当前挂单成交的网格 ID
+     */
+    private void checkMaxPositionAndPlaceTakeProfit(boolean isLong, int gridId) {
+        int maxPos = config.getMaxPositionSize();
+        if (maxPos <= 0) return;
+
+        executor.submitTask(() -> {
+            try {
+                List<Position> positions = futuresApi.listPositions(SETTLE).execute();
+                if (positions == null) return;
+
+                long actualPosSize = 0;
+                String targetMode = isLong ? "dual_long" : "dual_short";
+                for (Position pos : positions) {
+                    if (!config.getContract().equals(pos.getContract())) continue;
+                    Position.ModeEnum mode = pos.getMode();
+                    if (mode != null && mode.getValue() != null && targetMode.equals(mode.getValue())) {
+                        actualPosSize = Math.abs(Long.parseLong(pos.getSize()));
+                        break;
+                    }
+                }
+
+                if (actualPosSize <= maxPos) {
+                    log.debug("[Gate] 持仓检查 {}方向 实际持仓:{} ≤ 上限:{}, 无需止盈", targetMode, actualPosSize, maxPos);
+                    return;
+                }
+
+                // 下一网格 ID:空仓 N→N-1(向基底方向,更低价),多仓 -N→-(N-1)(向基底方向,更高价)
+                int nextGridId = isLong ? -(Math.abs(gridId) - 1) : gridId - 1;
+                GridElement nextGrid = GridElement.findById(nextGridId);
+                if (nextGrid == null) {
+                    log.warn("[Gate] 持仓超限 but 下一网格{}不存在", nextGridId);
+                    return;
+                }
+
+                BigDecimal tpPrice = nextGrid.getGridPrice();
+                final long finalPosSize = actualPosSize;
+                final int finalNextGridId = nextGridId;
+                if (isLong) {
+                    executor.placeTakeProfit(tpPrice,
+                            FuturesPriceTrigger.RuleEnum.NUMBER_1,
+                            ORDER_TYPE_CLOSE_LONG,
+                            negate(config.getQuantity()),
+                            profitId -> log.info("[Gate] 多仓超限止盈已挂(持仓:{})>, gridId:{}, tpPrice:{}, id:{}",
+                                    finalPosSize, finalNextGridId, tpPrice, profitId));
+                } else {
+                    executor.placeTakeProfit(tpPrice,
+                            FuturesPriceTrigger.RuleEnum.NUMBER_2,
+                            ORDER_TYPE_CLOSE_SHORT,
+                            config.getQuantity(),
+                            profitId -> log.info("[Gate] 空仓超限止盈已挂(持仓:{})>, gridId:{}, tpPrice:{}, id:{}",
+                                    finalPosSize, finalNextGridId, tpPrice, profitId));
+                }
+            } catch (Exception e) {
+                log.warn("[Gate] 通过API查询持仓超限检查失败", e);
+            }
+        });
+    }
+
+    /** Gate 永续合约 taker 费率 0.05% */
+    private static final BigDecimal TAKER_FEE_RATE = new BigDecimal("0.0005");
+    /** ETH_USDT 合约面值(每张=0.01 ETH) */
+    private static final BigDecimal CT_VAL = new BigDecimal("0.01");
+
     private void checkProfitAndReset() {
         try {
             FuturesAccount account = futuresApi.listFuturesAccounts(SETTLE);
             BigDecimal unrealisedPnl = new BigDecimal(account.getCrossUnrealisedPnl());
             BigDecimal available = new BigDecimal(account.getCrossAvailable());
             BigDecimal totalEquity = unrealisedPnl.add(available);
+
+            // 估算平仓手续费:(多仓张数+空仓张数) × 合约面值 × 当前价 × taker费率
+            BigDecimal totalSize = longPositionSize.abs().add(shortPositionSize.abs());
+            BigDecimal closeContractValue =
+                    totalSize.multiply(CT_VAL).multiply(lastKlinePrice != null ? lastKlinePrice : BigDecimal.ZERO);
+            BigDecimal estimatedFee = closeContractValue.multiply(TAKER_FEE_RATE);
+            BigDecimal netEquity = totalEquity.subtract(estimatedFee);
+
             BigDecimal target = initialPrincipal.add(config.getExpectedProfit());
-            log.info("[Gate] 盈亏检查 cross_unrealised_pnl:{}, cross_available:{}, 合计:{}, 目标:{}",
-                    unrealisedPnl, available, totalEquity, target);
-            if (totalEquity.compareTo(target) > 0) {
-                log.info("[Gate] 盈亏达标({}>{}),重置策略", totalEquity, target);
+            log.info("[Gate] 盈亏检查,总张数:{}, upl:{}, avail:{}, 合计:{}, 估手续费:{}, 净权益:{}, 目标:{}",
+                    totalSize,unrealisedPnl, available, totalEquity, estimatedFee, netEquity, target);
+            if (netEquity.compareTo(target) > 0) {
+                log.info("[Gate] 盈亏达标(净权益{}>目标{}),重置策略", netEquity, target);
                 state = StrategyState.STOPPED;
                 closeExistingPositions();
                 futuresApi.cancelPriceTriggeredOrderList(SETTLE, config.getContract());
-                startGrid();
+
+                // 提交到 executor 末尾:单线程FIFO保证前面所有平仓/取消任务完成后才重置
+                executor.submitTask(() -> {
+                    try { Thread.sleep(3000); } catch (InterruptedException e) { Thread.currentThread().interrupt(); }
+                    startGrid();
+                });
             }
         } catch (Exception e) {
             log.warn("[Gate] 盈亏检查失败", e);
@@ -1523,7 +1539,11 @@
             log.warn("[Gate] {}持仓归零后取消条件单失败", direction, e);
         }
         closeExistingPositions();
-        startGrid();
+        // 提交到 executor 末尾:单线程FIFO保证前面所有平仓/取消任务完成后才重置
+        executor.submitTask(() -> {
+            try { Thread.sleep(3000); } catch (InterruptedException e) { Thread.currentThread().interrupt(); }
+            startGrid();
+        });
     }
 
     // ---- 保证金安全阀 ----
@@ -1662,4 +1682,6 @@
     public Long getUserId() { return userId; }
     /** @return 当前策略状态 */
     public StrategyState getState() { return state; }
+    /** 注入WS客户端,用于订阅状态检查 */
+    public void setWsClient(GateKlineWebSocketClient wsClient) { this.wsClient = wsClient; }
 }

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