fix(gateApi): 解决网格交易止损追单并发问题

Administrator

2026-07-20 e6e102b429677e5569338dad2c7d6a433049780c

 src/main/java/com/xcong/excoin/modules/gateApi/GateGridTradeService.java

@@ -15,6 +15,7 @@
import java.math.BigDecimal;
import java.math.RoundingMode;
import java.util.*;
import java.util.concurrent.atomic.AtomicInteger;

import com.xcong.excoin.modules.gateApi.wsHandler.handler.CandlestickChannelHandler;
import com.xcong.excoin.modules.gateApi.wsHandler.handler.PositionClosesChannelHandler;
@@ -134,10 +135,14 @@
    /** 多头是否活跃（有仓位） */
    private volatile boolean longActive = false;

    /** 多头累计止损张数（加仓订单成交后归零） */
    /** 多头累计止损次数（始终递增，加仓订单成交后归零） */
    private volatile int accumulatedLongLossCount = 0;
    /** 空头累计止损张数（加仓订单成交后归零） */
    /** 空头累计止损次数（始终递增，加仓订单成交后归零） */
    private volatile int accumulatedShortLossCount = 0;
    /** 最近触发止损的多头网格ID */
    private volatile int lastLongStopLossGridId = Integer.MAX_VALUE;
    /** 最近触发止损的空头网格ID */
    private volatile int lastShortStopLossGridId = Integer.MAX_VALUE;

    private volatile BigDecimal lastKlinePrice;
    private volatile BigDecimal markPrice = BigDecimal.ZERO;
@@ -307,6 +312,8 @@
        shortActive = false;
        accumulatedLongLossCount = 0;
        accumulatedShortLossCount = 0;
        lastLongStopLossGridId = Integer.MAX_VALUE;
        lastShortStopLossGridId = Integer.MAX_VALUE;
        shortPriceQueue.clear();
        longPriceQueue.clear();
        totalShortPriceQueue.clear();
@@ -392,7 +399,8 @@
            return;
        }

        checkProfitAndReset();
        // 异步检查盈亏，避免 REST 调用阻塞 WS 心跳导致 Socket closed
        executor.submitTask(this::checkProfitAndReset);

        if (state == StrategyState.ACTIVE &&
                longActive == false &&
@@ -627,7 +635,19 @@
            if (StrUtil.isNotEmpty(tradeId) && !tradeId.equals("0") ){
                int filledQty = Integer.parseInt(shortGridElement.getShortTraderParam().getQuantity());
                shortEntryTraderIdParam(shortGridElement, orderId, false);
                accumulatedShortLossCount = 0; // 空单成交，重置止损追单计数

                // 防重入：同一网格存在多个入场单且相近时间成交时，只处理第一次 extend，
                // 后续成交打标 pendingReExtend，延展完成后自动用最新仓位重挂一次。
                if (shortGridElement.isExtendStopLossInProgress()) {
                    shortGridElement.setPendingStopLossReExtend(true);
                    log.info("[Gate] 空单成交 gridId:{}, 止损追单已在进行中，标记待重挂, orderId:{}",
                            shortGridElement.getId(), orderId);
                    return;
                }
                shortGridElement.setExtendStopLossInProgress(true);

                accumulatedShortLossCount = 0;
                lastShortStopLossGridId = Integer.MAX_VALUE;
                // [Gate-需求2] 加仓后先撤空仓所有止盈+止损，再查交易所持仓后重挂
                cancelAllShortTakeProfitsAndStopLosses();
                // 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
@@ -659,43 +679,33 @@
//                        }
//                );

                // 空仓持仓超过baseQuantity时，先找多仓第一个止损位置，从该位置向下挂止盈（间隔=1）
                BigDecimal shortBaseQty = new BigDecimal(config.getBaseQuantity());
                BigDecimal shortGridQty = new BigDecimal(config.getQuantity());
                if (BigDecimal.valueOf(posSize).compareTo(shortBaseQty) > 0) {
                    BigDecimal shortExcess = BigDecimal.valueOf(posSize).subtract(shortBaseQty);
                    int shortExcessCount = shortExcess.divide(shortGridQty, 0, RoundingMode.DOWN).intValue();
                // 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;

//                    // 找多仓第一个（最近的）止损位置
//                    int firstLongSlId = 0;
//                    for (GridElement e : config.getGridElements()) {
//                        if (e.hasLongStopLossOrders()) {
//                            if (firstLongSlId == 0 || e.getId() > firstLongSlId) {
//                                firstLongSlId = e.getId();
//                            }
//                        }
//                    }

                    for (int i = 0; i < shortExcessCount; i++) {
                        int tpGridId = shortGridElement.getId() - 2 * (i + 1);
                        GridElement tpElem = GridElement.findById(tpGridId);
                        if (tpElem == null || tpElem.getShortTakeProfitOrderId() != null) {
                            continue;
                        }
                        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);
                                }
                        );
                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);
                            }
                    );
                }
            }
        }
@@ -705,7 +715,19 @@

                int filledQty = Integer.parseInt(longGridElement.getLongTraderParam().getQuantity());
                longEntryTraderIdParam(longGridElement, orderId, false);
                accumulatedLongLossCount = 0; // 多单成交，重置止损追单计数

                // 防重入：同一网格存在多个入场单且相近时间成交时，只处理第一次 extend，
                // 后续成交打标 pendingReExtend，延展完成后自动用最新仓位重挂一次。
                if (longGridElement.isExtendStopLossInProgress()) {
                    longGridElement.setPendingStopLossReExtend(true);
                    log.info("[Gate] 多单成交 gridId:{}, 止损追单已在进行中，标记待重挂, orderId:{}",
                            longGridElement.getId(), orderId);
                    return;
                }
                longGridElement.setExtendStopLossInProgress(true);

                accumulatedLongLossCount = 0;
                lastLongStopLossGridId = Integer.MAX_VALUE;
                // [Gate-需求2] 加仓后先撤多仓所有止盈+止损，再查交易所持仓后重挂
                cancelAllLongTakeProfitsAndStopLosses();
                // 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
@@ -737,43 +759,33 @@
//                        }
//                );

                // 多仓持仓超过baseQuantity时，先找空仓第一个止损位置，从该位置向上挂止盈（间隔=1）
                BigDecimal longBaseQty = new BigDecimal(config.getBaseQuantity());
                BigDecimal longGridQty = new BigDecimal(config.getQuantity());
                if (BigDecimal.valueOf(posSize).compareTo(longBaseQty) > 0) {
                    BigDecimal longExcess = BigDecimal.valueOf(posSize).subtract(longBaseQty);
                    int longExcessCount = longExcess.divide(longGridQty, 0, RoundingMode.DOWN).intValue();
                // 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;

//                    // 找空仓第一个（最近的）止损位置
//                    int firstShortSlId = 0;
//                    for (GridElement e : config.getGridElements()) {
//                        if (e.hasShortStopLossOrders()) {
//                            if (firstShortSlId == 0 || e.getId() < firstShortSlId) {
//                                firstShortSlId = e.getId();
//                            }
//                        }
//                    }

                    for (int i = 0; i < longExcessCount; i++) {
                        int tpGridId = longGridElement.getId() + 2 * (i + 1);
                        GridElement tpElem = GridElement.findById(tpGridId);
                        if (tpElem == null || tpElem.getLongTakeProfitOrderId() != null) {
                            continue;
                        }
                        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);
                                }
                        );
                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);
                            }
                    );
                }
            }
        }
@@ -1221,17 +1233,21 @@

                    if (newEntryGrid != null) {

                        GridElement cancelGridElement = GridElement.findById(newEntryGrid.getUpId());
                        String quantity = cancelGridElement != null
                                ? cancelGridElement.getLongTraderParam().getQuantity()
                                : config.getBaseQuantity();
                        if (cancelGridElement != null && cancelGridElement.isHasLongOrder()) {
                            for (String longOrderId : new ArrayList<>(cancelGridElement.getLongOrderIds())) {
                                executor.cancelConditionalOrder(longOrderId, oid -> {
                                    longEntryTraderIdParam(cancelGridElement, longOrderId, false);
                                    log.info("[Gate] 多仓仓位归零, 取消gridId:{}的多单,{}", cancelGridElement.getId(), longOrderId);
                                });
                        String quantity = String.valueOf((accumulatedLongLossCount + 1) * Integer.parseInt(config.getQuantity()));
                        // 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) {
                            if (cancelCursor.isHasLongOrder()) {
                                for (String longOrderId : new ArrayList<>(cancelCursor.getLongOrderIds())) {
                                    GridElement finalCancelCursor = cancelCursor;
                                    executor.cancelConditionalOrder(longOrderId, oid -> {
                                        longEntryTraderIdParam(finalCancelCursor, longOrderId, false);
                                        log.info("[Gate] 多仓仓位归零, 取消gridId:{}的多单,{}", finalCancelCursor.getId(), longOrderId);
                                    });
                                }
                            }
                            Integer nextUpId = cancelCursor.getUpId();
                            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()) {
@@ -1272,21 +1288,21 @@

                    if (newEntryGrid != null) {

                        GridElement cancelGridElement = GridElement.findById(newEntryGrid.getDownId());

                        String quantity = cancelGridElement != null
                                ? cancelGridElement.getShortTraderParam().getQuantity()
                                : config.getBaseQuantity();
                        /**
                         * 看是否有空仓挂单，有就取消
                         */
                        if (cancelGridElement != null && cancelGridElement.isHasShortOrder()) {
                            for (String shortOrderId : new ArrayList<>(cancelGridElement.getShortOrderIds())) {
                                executor.cancelConditionalOrder(shortOrderId, oid -> {
                                    shortEntryTraderIdParam(cancelGridElement, shortOrderId, false);
                                    log.info("[Gate] 空仓仓位归零, 取消gridId:{}的多单{}", cancelGridElement.getId(), shortOrderId);
                                });
                        String quantity = String.valueOf((accumulatedShortLossCount + 1) * Integer.parseInt(config.getQuantity()));
                        // 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) {
                            if (cancelCursor.isHasShortOrder()) {
                                for (String shortOrderId : new ArrayList<>(cancelCursor.getShortOrderIds())) {
                                    GridElement finalCancelCursor = cancelCursor;
                                    executor.cancelConditionalOrder(shortOrderId, oid -> {
                                        shortEntryTraderIdParam(finalCancelCursor, shortOrderId, false);
                                        log.info("[Gate] 空仓仓位归零, 取消gridId:{}的多单{}", finalCancelCursor.getId(), shortOrderId);
                                    });
                                }
                            }
                            Integer nextDownId = cancelCursor.getDownId();
                            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()){
@@ -1308,9 +1324,12 @@
    private void handleLongStopLossTriggered(GridElement gridElement, String orderId) {
        gridElement.removeLongStopLossOrderId(orderId);

        accumulatedLongLossCount++;
        int gridId = gridElement.getId();
        log.info("[Gate] 多仓止损触发 gridId:{}, 止损次数:{}, 开始追单", gridId, accumulatedLongLossCount);
        boolean sameGrid = (gridId == lastLongStopLossGridId);
        accumulatedLongLossCount++;
        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)" : "");
        int newEntryGridId = gridId + 1;

        GridElement newEntryGrid = GridElement.findById(newEntryGridId);
@@ -1324,9 +1343,7 @@
        BigDecimal triggerPrice = newEntryGrid.getGridPrice();
        int posSize = Math.min(queryPositionSize(Position.ModeEnum.DUAL_LONG), longPositionSize.intValue());
        int maxPos = config.getMaxPositionSize();
        int baseQty = Integer.parseInt(config.getBaseQuantity());
        int gridQty = Integer.parseInt(config.getQuantity());
        int targetAmount = baseQty + (accumulatedLongLossCount - 1) * gridQty;
        int targetAmount = sameGrid ? Integer.parseInt(config.getQuantity()) : (accumulatedLongLossCount + 1) * Integer.parseInt(config.getQuantity());
        int addSize;
        if (maxPos > 0) {
            int remainingRoom = maxPos - posSize;
@@ -1383,9 +1400,12 @@
    private void handleShortStopLossTriggered(GridElement gridElement, String orderId) {
        gridElement.removeShortStopLossOrderId(orderId);

        accumulatedShortLossCount++;
        int gridId = gridElement.getId();
        log.info("[Gate] 空仓止损触发 gridId:{}, 止损次数:{}, 开始追单", gridId, accumulatedShortLossCount);
        boolean sameGrid = (gridId == lastShortStopLossGridId);
        accumulatedShortLossCount++;
        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)" : "");
        int newEntryGridId = gridId - 1;

        GridElement newEntryGrid = GridElement.findById(newEntryGridId);
@@ -1399,9 +1419,7 @@
        BigDecimal triggerPrice = newEntryGrid.getGridPrice();
        int posSize = Math.min(queryPositionSize(Position.ModeEnum.DUAL_SHORT), shortPositionSize.intValue());
        int maxPos = config.getMaxPositionSize();
        int baseQty = Integer.parseInt(config.getBaseQuantity());
        int gridQty = Integer.parseInt(config.getQuantity());
        int targetAmount = baseQty + (accumulatedShortLossCount - 1) * gridQty;
        int targetAmount = sameGrid ? Integer.parseInt(config.getQuantity()) : (accumulatedShortLossCount + 1) * Integer.parseInt(config.getQuantity());
        int addSize;
        if (maxPos > 0) {
            int remainingRoom = maxPos - posSize;
@@ -1605,6 +1623,7 @@
        for (GridElement e : config.getGridElements()) {
            String tpId = e.getLongTakeProfitOrderId();
            if (tpId != null) {
                e.getLongTraderParam().setTakeProfitPlaced(false);
                e.setLongTakeProfitOrderId(null);
                executor.cancelConditionalOrder(tpId, oid -> {});
            }
@@ -1624,6 +1643,7 @@
        for (GridElement e : config.getGridElements()) {
            String tpId = e.getShortTakeProfitOrderId();
            if (tpId != null) {
                e.getShortTraderParam().setTakeProfitPlaced(false);
                e.setShortTakeProfitOrderId(null);
                executor.cancelConditionalOrder(tpId, oid -> {});
            }
@@ -1662,51 +1682,155 @@
    // ========== 止损追单（新逻辑：3 个固定位置，每个位置挂多个 1 张止损单） ==========

    /**
     * 多仓止损追单 — 3 个固定位置，从近到远分配合约。
     * A(gridId-2): (filledQty/qty - 2) 个独立止损单，每个 qty 张
     * B(gridId-3): 1 个止损单，qty 张
     * C(gridId-4): 1 个止损单，qty 张
     * 注意：多仓止损在 gridId 负方向，触发价 ≤ 网格价。
     * 多仓止损追单 — 网格数量 = baseQuantity/quantity，从近到远分配。
     * aCount<0跳过, aCount=0→主=2, aCount=1→主=2,辅0=1, aCount>=2→主=aCount,辅依次填1
     */
    private void extendLongStopLoss(int filledQty, int gridId) {
        int qty = Integer.parseInt(config.getQuantity());
        int aCount = Math.max(0, filledQty / qty - 2);
        log.info("[Gate] 多仓追挂止损, 成交{}张, gridId:{}, A({})x{}  B({})x1  C({})x1",
                filledQty, gridId, gridId - 2, aCount, gridId - 3, gridId - 4);
        int baseQty = Integer.parseInt(config.getBaseQuantity());
        int gridCount = baseQty / qty;
        GridElement entryElem = GridElement.findById(gridId);
        if (gridCount <= 0 || filledQty < qty) {
            // 早期返回需重置防重入标记
            if (entryElem != null) { entryElem.setExtendStopLossInProgress(false); }
            return;
        }

        // A 位置：挂 aCount 个独立止损单
        placeStopLossOrders(gridId - 2, aCount, qty, FuturesPriceTrigger.RuleEnum.NUMBER_2,
                ORDER_TYPE_CLOSE_LONG, true);
        // B 位置：挂 1 个
        placeStopLossOrders(gridId - 3, 1, qty, FuturesPriceTrigger.RuleEnum.NUMBER_2,
                ORDER_TYPE_CLOSE_LONG, true);
        // C 位置：挂 1 个
        placeStopLossOrders(gridId - 4, 1, qty, FuturesPriceTrigger.RuleEnum.NUMBER_2,
                ORDER_TYPE_CLOSE_LONG, true);
        int totalOrders = filledQty / qty;
        int[] orders = new int[gridCount];

        if (gridCount == 1) {
            // 只有1个网格，全量挂在上面
            orders[0] = totalOrders;
        } else {
            // 最近网格(orders[0])挂剩余张数，其余每个网格各挂1张
            orders[0] = totalOrders - (gridCount - 1);
            if (orders[0] < 1) {
                // 订单数不够覆盖所有网格(理论上不会出现)，全量挂在最近网格
                orders[0] = totalOrders;
            } else {
                for (int i = 1; i < gridCount; i++) {
                    orders[i] = 1;
                }
            }
        }

        // 计算总订单数，用于异步回调完成时重置防重入标记
        int totalOrdersToPlace = 0;
        for (int i = 0; i < gridCount; i++) {
            if (orders[i] > 0) { totalOrdersToPlace += orders[i]; }
        }
        if (totalOrdersToPlace == 0) {
            if (entryElem != null) { entryElem.setExtendStopLossInProgress(false); }
            return;
        }
        AtomicInteger remainCount = new AtomicInteger(totalOrdersToPlace);

        StringBuilder detail = new StringBuilder();
        for (int i = 0; i < gridCount; i++) {
            if (orders[i] > 0) {
                int sgId = gridId - 2 - i;
                placeStopLossOrders(sgId, orders[i], qty, FuturesPriceTrigger.RuleEnum.NUMBER_2,
                        ORDER_TYPE_CLOSE_LONG, true, remainCount, entryElem);
                if (detail.length() > 0) {
                    detail.append("  ");
                }
                detail.append(sgId).append("x").append(orders[i]);
            }
        }

        log.info("[Gate] 多仓追挂止损, 成交{}张, gridId:{}, 网格数:{}, 分配:{}",
                filledQty, gridId, gridCount, detail);
    }

    /**
     * 空仓止损追单 — 3 个固定位置，从近到远分配合约。
     * A(gridId+2): (filledQty/qty - 2) 个独立止损单，每个 qty 张
     * B(gridId+3): 1 个止损单，qty 张
     * C(gridId+4): 1 个止损单，qty 张
     * 注意：空仓止损在 gridId 正方向，触发价 ≥ 网格价。
     * 空仓止损追单 — 网格数量 = baseQuantity/quantity，从近到远分配。
     * aCount<0跳过, aCount=0→主=2, aCount=1→主=2,辅0=1, aCount>=2→主=aCount,辅依次填1
     */
    private void extendShortStopLoss(int filledQty, int gridId) {
        int qty = Integer.parseInt(config.getQuantity());
        int aCount = Math.max(0, filledQty / qty - 2);
        log.info("[Gate] 空仓追挂止损, 成交{}张, gridId:{}, A({})x{}  B({})x1  C({})x1",
                filledQty, gridId, gridId + 2, aCount, gridId + 3, gridId + 4);
        int baseQty = Integer.parseInt(config.getBaseQuantity());
        int gridCount = baseQty / qty;
        GridElement entryElem = GridElement.findById(gridId);
        if (gridCount <= 0 || filledQty < qty) {
            // 早期返回需重置防重入标记
            if (entryElem != null) { entryElem.setExtendStopLossInProgress(false); }
            return;
        }

        // A 位置：挂 aCount 个独立止损单
        placeStopLossOrders(gridId + 2, aCount, qty, FuturesPriceTrigger.RuleEnum.NUMBER_1,
                ORDER_TYPE_CLOSE_SHORT, false);
        // B 位置：挂 1 个
        placeStopLossOrders(gridId + 3, 1, qty, FuturesPriceTrigger.RuleEnum.NUMBER_1,
                ORDER_TYPE_CLOSE_SHORT, false);
        // C 位置：挂 1 个
        placeStopLossOrders(gridId + 4, 1, qty, FuturesPriceTrigger.RuleEnum.NUMBER_1,
                ORDER_TYPE_CLOSE_SHORT, false);
        int totalOrders = filledQty / qty;
        int[] orders = new int[gridCount];

        if (gridCount == 1) {
            // 只有1个网格，全量挂在上面
            orders[0] = totalOrders;
        } else {
            // 最近网格(orders[0])挂剩余张数，其余每个网格各挂1张
            orders[0] = totalOrders - (gridCount - 1);
            if (orders[0] < 1) {
                // 订单数不够覆盖所有网格(理论上不会出现)，全量挂在最近网格
                orders[0] = totalOrders;
            } else {
                for (int i = 1; i < gridCount; i++) {
                    orders[i] = 1;
                }
            }
        }

        // 计算总订单数，用于异步回调完成时重置防重入标记
        int totalOrdersToPlace = 0;
        for (int i = 0; i < gridCount; i++) {
            if (orders[i] > 0) { totalOrdersToPlace += orders[i]; }
        }
        if (totalOrdersToPlace == 0) {
            if (entryElem != null) { entryElem.setExtendStopLossInProgress(false); }
            return;
        }
        AtomicInteger remainCount = new AtomicInteger(totalOrdersToPlace);

        StringBuilder detail = new StringBuilder();
        for (int i = 0; i < gridCount; i++) {
            if (orders[i] > 0) {
                int sgId = gridId + 2 + i;
                placeStopLossOrders(sgId, orders[i], qty, FuturesPriceTrigger.RuleEnum.NUMBER_1,
                        ORDER_TYPE_CLOSE_SHORT, false, remainCount, entryElem);
                if (detail.length() > 0) {
                    detail.append("  ");
                }
                detail.append(sgId).append("x").append(orders[i]);
            }
        }

        log.info("[Gate] 空仓追挂止损, 成交{}张, gridId:{}, 网格数:{}, 分配:{}",
                filledQty, gridId, gridCount, detail);
    }

    /**
     * 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。
     */
    private void reExtendLongStopLoss(GridElement entryElem) {
        if (entryElem.isExtendStopLossInProgress()) {
            log.info("[Gate] 多仓重挂止损跳过, entryGridId:{}, 仍在进行中", entryElem.getId());
            return;
        }
        entryElem.setExtendStopLossInProgress(true);
        cancelAllLongTakeProfitsAndStopLosses();
        int latestPos = Math.max(queryPositionSize(Position.ModeEnum.DUAL_LONG), longPositionSize.intValue());
        log.info("[Gate] 多仓重挂止损, entryGridId:{}, 最新仓位:{}张", entryElem.getId(), latestPos);
        extendLongStopLoss(latestPos, entryElem.getId());
    }

    private void reExtendShortStopLoss(GridElement entryElem) {
        if (entryElem.isExtendStopLossInProgress()) {
            log.info("[Gate] 空仓重挂止损跳过, entryGridId:{}, 仍在进行中", entryElem.getId());
            return;
        }
        entryElem.setExtendStopLossInProgress(true);
        cancelAllShortTakeProfitsAndStopLosses();
        int latestPos = Math.max(queryPositionSize(Position.ModeEnum.DUAL_SHORT), shortPositionSize.intValue());
        log.info("[Gate] 空仓重挂止损, entryGridId:{}, 最新仓位:{}张", entryElem.getId(), latestPos);
        extendShortStopLoss(latestPos, entryElem.getId());
    }

    /**
@@ -1714,13 +1838,34 @@
     */
    private void placeStopLossOrders(int gridId, int count, int qty,
                                      FuturesPriceTrigger.RuleEnum rule,
                                      String orderType, boolean isLong) {
                                      String orderType, boolean isLong,
                                      AtomicInteger remainCount,
                                      GridElement entryElement) {
        if (count <= 0) {
            return;
        }
        GridElement elem = GridElement.findById(gridId);
        if (elem == null) {
            log.warn("[Gate] 止损挂单位置不存在, gridId:{}", gridId);
            // 即使挂单位置不存在也需递减计数器，避免标志永不重置
            if (remainCount != null && entryElement != null) {
                for (int i = 0; i < count; i++) {
                    if (remainCount.decrementAndGet() == 0) {
                        entryElement.setExtendStopLossInProgress(false);
                        log.info("[Gate] {}止损追单全部完成(部分位置缺失), entryGridId:{}, 防重入标记已重置",
                                isLong ? "多仓" : "空仓", entryElement.getId());
                        // 检查待重挂请求
                        if (entryElement.isPendingStopLossReExtend()) {
                            entryElement.setPendingStopLossReExtend(false);
                            if (isLong) {
                                reExtendLongStopLoss(entryElement);
                            } else {
                                reExtendShortStopLoss(entryElement);
                            }
                        }
                    }
                }
            }
            return;
        }
        BigDecimal triggerPrice = elem.getGridPrice();
@@ -1739,6 +1884,21 @@
                        GridElement.refreshIndices();
                        log.info("[Gate] {}止损追加, gridId:{}, 触发价:{}, 第{}单, stopLossId:{}",
                                isLong ? "多仓" : "空仓", finalGridId, triggerPrice, finalI + 1, profitId);
                        // 计数器归零时重置防重入标记，并检查是否有待重挂请求
                        if (remainCount != null && remainCount.decrementAndGet() == 0 && entryElement != null) {
                            entryElement.setExtendStopLossInProgress(false);
                            log.info("[Gate] {}止损追单全部完成, entryGridId:{}, 防重入标记已重置",
                                    isLong ? "多仓" : "空仓", entryElement.getId());
                            // 如果有被跳过的入场单成交，用最新仓位重挂一次止损
                            if (entryElement.isPendingStopLossReExtend()) {
                                entryElement.setPendingStopLossReExtend(false);
                                if (isLong) {
                                    reExtendLongStopLoss(entryElement);
                                } else {
                                    reExtendShortStopLoss(entryElement);
                                }
                            }
                        }
                    }
            );
        }