diff --git a/backend/api/routes/account.py b/backend/api/routes/account.py
index d76be5c..b402136 100644
--- a/backend/api/routes/account.py
+++ b/backend/api/routes/account.py
@@ -2,9 +2,11 @@
 账户实时数据API - 从币安API获取实时账户和订单数据
 """
 from fastapi import APIRouter, HTTPException
+from fastapi import Query
 import sys
 from pathlib import Path
 import logging
+import time
 
 project_root = Path(__file__).parent.parent.parent.parent
 sys.path.insert(0, str(project_root))
@@ -17,6 +19,236 @@ logger = logging.getLogger(__name__)
 router = APIRouter()
 
 
+async def _ensure_exchange_sltp_for_symbol(symbol: str):
+    """
+    在币安侧补挂该 symbol 的止损/止盈保护单（STOP_MARKET + TAKE_PROFIT_MARKET）。
+    该接口用于“手动补挂”，不依赖 trading_system 的监控任务。
+    """
+    # 从数据库读取API密钥
+    api_key = TradingConfig.get_value('BINANCE_API_KEY')
+    api_secret = TradingConfig.get_value('BINANCE_API_SECRET')
+    use_testnet = TradingConfig.get_value('USE_TESTNET', False)
+    if not api_key or not api_secret:
+        raise HTTPException(status_code=400, detail="API密钥未配置")
+
+    # 导入交易系统的BinanceClient（复用其精度/持仓模式处理）
+    try:
+        from binance_client import BinanceClient
+    except ImportError:
+        trading_system_path = project_root / 'trading_system'
+        sys.path.insert(0, str(trading_system_path))
+        from binance_client import BinanceClient
+
+    client = BinanceClient(api_key=api_key, api_secret=api_secret, testnet=use_testnet)
+    await client.connect()
+
+    try:
+        # 1) 获取当前持仓（需要知道方向）
+        raw_positions = await client.client.futures_position_information(symbol=symbol)
+        nonzero = []
+        for p in raw_positions or []:
+            try:
+                amt = float(p.get("positionAmt", 0) or 0)
+                if amt != 0:
+                    nonzero.append((amt, p))
+            except Exception:
+                continue
+        if not nonzero:
+            raise HTTPException(status_code=400, detail=f"{symbol} 当前无持仓，无法补挂止盈止损")
+
+        # 2) 获取持仓模式
+        dual_side = None
+        try:
+            mode_res = await client.client.futures_get_position_mode()
+            if isinstance(mode_res, dict):
+                dual_side = bool(mode_res.get("dualSidePosition"))
+        except Exception:
+            dual_side = None
+
+        # 3) 取净持仓（单向）或第一条非零腿（对冲/兜底）
+        amt, p0 = nonzero[0]
+        net_amt = sum([a for a, _ in nonzero])
+        if dual_side is False:
+            amt = net_amt
+        side = "BUY" if amt > 0 else "SELL"
+
+        mark_price = None
+        try:
+            mark_price = float(p0.get("markPrice", 0) or 0) or None
+        except Exception:
+            mark_price = None
+
+        # 4) 从数据库 open trade 取止损/止盈价（优先取最近一条）
+        from database.models import Trade
+        open_trades = Trade.get_by_symbol(symbol, status='open') or []
+        if not open_trades:
+            raise HTTPException(status_code=400, detail=f"{symbol} 数据库无 open 交易记录，无法确定止损止盈价")
+        trade = open_trades[0]
+        sl = trade.get("stop_loss_price")
+        tp = trade.get("take_profit_2") or trade.get("take_profit_price") or trade.get("take_profit_1")
+        try:
+            sl = float(sl) if sl is not None else None
+        except Exception:
+            sl = None
+        try:
+            tp = float(tp) if tp is not None else None
+        except Exception:
+            tp = None
+        if not sl or not tp:
+            raise HTTPException(status_code=400, detail=f"{symbol} 数据库缺少止损/止盈价，无法补挂")
+
+        # 5) 取消旧的保护单，避免重复
+        try:
+            orders = await client.client.futures_get_open_orders(symbol=symbol)
+            for o in orders or []:
+                try:
+                    if not isinstance(o, dict):
+                        continue
+                    otype = str(o.get("type") or "").upper()
+                    if otype in {"STOP_MARKET", "TAKE_PROFIT_MARKET", "TRAILING_STOP_MARKET"}:
+                        oid = o.get("orderId")
+                        if oid:
+                            await client.client.futures_cancel_order(symbol=symbol, orderId=int(oid))
+                except Exception:
+                    continue
+        except Exception:
+            pass
+
+        # 6) 下保护单（closePosition=True）
+        symbol_info = await client.get_symbol_info(symbol)
+        # 使用 trading_system/binance_client 的格式化方法（如果不存在则回退简单格式）
+        try:
+            fmt_price = BinanceClient._format_price_str_with_rounding  # type: ignore[attr-defined]
+        except Exception:
+            fmt_price = None
+
+        def _fmt(price: float, rounding_mode: str) -> str:
+            if fmt_price:
+                return fmt_price(price, symbol_info, rounding_mode)  # type: ignore[misc]
+            return str(round(float(price), int(symbol_info.get("pricePrecision", 8) or 8) if symbol_info else 8))
+
+        # 触发价避免“立即触发”
+        cp = float(mark_price) if mark_price else None
+        tick = float(symbol_info.get("tickSize", 0) or 0) if symbol_info else 0.0
+        pp = int(symbol_info.get("pricePrecision", 8) or 8) if symbol_info else 8
+        min_step = tick if tick and tick > 0 else (10 ** (-pp) if pp and pp > 0 else 1e-8)
+
+        sl_price = float(sl)
+        tp_price = float(tp)
+        if cp and cp > 0:
+            # stop
+            if side == "BUY" and sl_price >= cp:
+                sl_price = max(0.0, cp - min_step)
+            if side == "SELL" and sl_price <= cp:
+                sl_price = cp + min_step
+            # tp
+            if side == "BUY" and tp_price <= cp:
+                tp_price = cp + min_step
+            if side == "SELL" and tp_price >= cp:
+                tp_price = max(0.0, cp - min_step)
+
+        # rounding：止损 long 用 UP，short 用 DOWN；止盈 long 用 DOWN，short 用 UP
+        sl_round = "UP" if side == "BUY" else "DOWN"
+        tp_round = "DOWN" if side == "BUY" else "UP"
+
+        close_side = "SELL" if side == "BUY" else "BUY"
+        sl_params = {
+            "symbol": symbol,
+            "side": close_side,
+            "type": "STOP_MARKET",
+            "stopPrice": _fmt(sl_price, sl_round),
+            "closePosition": True,
+            "workingType": "MARK_PRICE",
+        }
+        tp_params = {
+            "symbol": symbol,
+            "side": close_side,
+            "type": "TAKE_PROFIT_MARKET",
+            "stopPrice": _fmt(tp_price, tp_round),
+            "closePosition": True,
+            "workingType": "MARK_PRICE",
+        }
+        if dual_side is True:
+            sl_params["positionSide"] = "LONG" if side == "BUY" else "SHORT"
+            tp_params["positionSide"] = "LONG" if side == "BUY" else "SHORT"
+
+        sl_order = await client.client.futures_create_order(**sl_params)
+        tp_order = await client.client.futures_create_order(**tp_params)
+        return {
+            "symbol": symbol,
+            "position_side": side,
+            "dual_side_position": dual_side,
+            "stop_loss_price": sl_price,
+            "take_profit_price": tp_price,
+            "orders": {
+                "stop_market": sl_order,
+                "take_profit_market": tp_order,
+            },
+        }
+    finally:
+        await client.disconnect()
+
+
+@router.post("/positions/{symbol}/sltp/ensure")
+async def ensure_position_sltp(symbol: str):
+    """
+    手动补挂该 symbol 的止盈止损保护单（币安侧可见）。
+    """
+    try:
+        return await _ensure_exchange_sltp_for_symbol(symbol)
+    except HTTPException:
+        raise
+    except Exception as e:
+        logger.error(f"{symbol} 补挂止盈止损失败: {e}", exc_info=True)
+        raise HTTPException(status_code=500, detail=f"补挂止盈止损失败: {str(e)}")
+
+
+@router.post("/positions/sltp/ensure-all")
+async def ensure_all_positions_sltp(limit: int = Query(50, ge=1, le=200, description="最多处理多少个持仓symbol")):
+    """
+    批量补挂当前所有持仓的止盈止损保护单。
+    """
+    # 先拿当前持仓symbol列表
+    api_key = TradingConfig.get_value('BINANCE_API_KEY')
+    api_secret = TradingConfig.get_value('BINANCE_API_SECRET')
+    use_testnet = TradingConfig.get_value('USE_TESTNET', False)
+    if not api_key or not api_secret:
+        raise HTTPException(status_code=400, detail="API密钥未配置")
+
+    try:
+        from binance_client import BinanceClient
+    except ImportError:
+        trading_system_path = project_root / 'trading_system'
+        sys.path.insert(0, str(trading_system_path))
+        from binance_client import BinanceClient
+
+    client = BinanceClient(api_key=api_key, api_secret=api_secret, testnet=use_testnet)
+    await client.connect()
+    try:
+        positions = await client.get_open_positions()
+        symbols = [p["symbol"] for p in (positions or []) if float(p.get("positionAmt", 0) or 0) != 0]
+    finally:
+        await client.disconnect()
+
+    symbols = symbols[: int(limit or 50)]
+    results = []
+    errors = []
+    for sym in symbols:
+        try:
+            res = await _ensure_exchange_sltp_for_symbol(sym)
+            results.append({"symbol": sym, "ok": True, "orders": res.get("orders")})
+        except Exception as e:
+            errors.append({"symbol": sym, "ok": False, "error": str(e)})
+
+    return {
+        "total": len(symbols),
+        "ok": len([r for r in results if r.get("ok")]),
+        "failed": len(errors),
+        "results": results,
+        "errors": errors,
+    }
+
+
 async def get_realtime_account_data():
     """从币安API实时获取账户数据"""
     logger.info("=" * 60)
diff --git a/frontend/src/components/StatsDashboard.css b/frontend/src/components/StatsDashboard.css
index 6fae898..4784ed2 100644
--- a/frontend/src/components/StatsDashboard.css
+++ b/frontend/src/components/StatsDashboard.css
@@ -473,6 +473,34 @@
   background: #95a5a6;
 }
 
+.sltp-btn {
+  padding: 0.5rem 1rem;
+  background: #1f7aec;
+  color: white;
+  border: none;
+  border-radius: 4px;
+  cursor: pointer;
+  font-size: 0.9rem;
+  font-weight: 500;
+  transition: all 0.3s;
+  white-space: nowrap;
+  margin-right: 8px;
+}
+
+.sltp-btn:hover:not(:disabled) {
+  background: #175fb8;
+}
+
+.sltp-btn:active:not(:disabled) {
+  transform: scale(0.95);
+}
+
+.sltp-btn:disabled {
+  opacity: 0.6;
+  cursor: not-allowed;
+  background: #95a5a6;
+}
+
 .message {
   padding: 1rem;
   margin-bottom: 1rem;
diff --git a/frontend/src/components/StatsDashboard.jsx b/frontend/src/components/StatsDashboard.jsx
index 8eeda3a..4aef04d 100644
--- a/frontend/src/components/StatsDashboard.jsx
+++ b/frontend/src/components/StatsDashboard.jsx
@@ -7,6 +7,7 @@ const StatsDashboard = () => {
   const [dashboardData, setDashboardData] = useState(null)
   const [loading, setLoading] = useState(true)
   const [closingSymbol, setClosingSymbol] = useState(null)
+  const [sltpSymbol, setSltpSymbol] = useState(null)
   const [message, setMessage] = useState('')
   const [tradingConfig, setTradingConfig] = useState(null)
 
@@ -105,6 +106,26 @@ const StatsDashboard = () => {
     }
   }
 
+  const handleEnsureSLTP = async (symbol) => {
+    if (!window.confirm(`确定要为 ${symbol} 补挂“币安止损/止盈保护单”吗？\n\n说明：将自动取消该交易对已有的 STOP/TP 保护单并重新挂单（避免重复）。`)) {
+      return
+    }
+    setSltpSymbol(symbol)
+    setMessage('')
+    try {
+      const res = await api.ensurePositionSLTP(symbol)
+      const slId = res?.orders?.stop_market?.orderId
+      const tpId = res?.orders?.take_profit_market?.orderId
+      setMessage(`${symbol} 已补挂保护单：SL=${slId || '-'} / TP=${tpId || '-'}`)
+      await loadDashboard()
+    } catch (error) {
+      setMessage(`补挂失败 ${symbol}: ${error.message || '未知错误'}`)
+    } finally {
+      setSltpSymbol(null)
+      setTimeout(() => setMessage(''), 4000)
+    }
+  }
+
   const handleSyncPositions = async () => {
     if (!window.confirm('确定要同步持仓状态吗？这将检查币安实际持仓并更新数据库状态。')) {
       return
@@ -552,6 +573,14 @@ const StatsDashboard = () => {
                           <span> ({parseFloat(trade.pnl_percent).toFixed(2)}%)</span>
                         )}
                       </div>
+                      <button
+                        className="sltp-btn"
+                        onClick={() => handleEnsureSLTP(trade.symbol)}
+                        disabled={sltpSymbol === trade.symbol}
+                        title="在币安侧补挂 STOP_MARKET + TAKE_PROFIT_MARKET 保护单（closePosition）"
+                      >
+                        {sltpSymbol === trade.symbol ? '补挂中...' : '补挂止盈止损'}
+                      </button>
                       <button
                         className="close-btn"
                         onClick={() => handleClosePosition(trade.symbol)}
diff --git a/frontend/src/services/api.js b/frontend/src/services/api.js
index 600735c..049cbe1 100644
--- a/frontend/src/services/api.js
+++ b/frontend/src/services/api.js
@@ -130,6 +130,31 @@ export const api = {
     }
     return response.json();
   },
+
+  // 补挂止盈止损（交易所保护单）
+  ensurePositionSLTP: async (symbol) => {
+    const response = await fetch(buildUrl(`/api/account/positions/${symbol}/sltp/ensure`), {
+      method: 'POST',
+      headers: { 'Content-Type': 'application/json' },
+    });
+    if (!response.ok) {
+      const error = await response.json().catch(() => ({ detail: '补挂止盈止损失败' }));
+      throw new Error(error.detail || '补挂止盈止损失败');
+    }
+    return response.json();
+  },
+
+  ensureAllPositionsSLTP: async (limit = 50) => {
+    const response = await fetch(buildUrl(`/api/account/positions/sltp/ensure-all?limit=${encodeURIComponent(limit)}`), {
+      method: 'POST',
+      headers: { 'Content-Type': 'application/json' },
+    });
+    if (!response.ok) {
+      const error = await response.json().catch(() => ({ detail: '批量补挂止盈止损失败' }));
+      throw new Error(error.detail || '批量补挂止盈止损失败');
+    }
+    return response.json();
+  },
   
   // 同步持仓状态
   syncPositions: async () => {