a

frontend/src/components/StatsDashboard.jsx

@@ -21,6 +21,21 @@ const StatsDashboard = () => {
     }
   }
 
+  const fmtPrice = (v) => {
+    const n = Number(v)
+    if (!isFinite(n)) return '-'
+    const a = Math.abs(n)
+    // 低价币需要更高精度，否则“止损价=入场价”只是显示被四舍五入了
+    const dp =
+      a >= 1000 ? 2 :
+      a >= 100 ? 3 :
+      a >= 1 ? 4 :
+      a >= 0.01 ? 6 :
+      a >= 0.0001 ? 8 :
+      10
+    return n.toFixed(dp).replace(/\.?0+$/, '')
+  }
+
   useEffect(() => {
     loadDashboard()
     loadTradingConfig()
@@ -483,9 +498,9 @@ const StatsDashboard = () => {
                       <div>名义: {entryValue >= 0.01 ? entryValue.toFixed(2) : entryValue.toFixed(4)} USDT</div>
                       <div>保证金: {margin >= 0.01 ? margin.toFixed(2) : margin.toFixed(4)} USDT</div>
                       
-                      <div>入场价: {entryPrice.toFixed(4)}</div>
+                      <div>入场价: {fmtPrice(entryPrice)}</div>
                       {trade.mark_price && (
-                        <div>标记价: {markPrice.toFixed(4)}</div>
+                        <div>标记价: {fmtPrice(markPrice)}</div>
                       )}
                       {trade.leverage && (
                         <div>杠杆: {trade.leverage}x</div>
@@ -510,22 +525,22 @@ const StatsDashboard = () => {
                         <div className="stop-loss-info">
                           止损: <span className="negative">-{stopLossPercent.toFixed(2)}%</span>
                           <span className="stop-note">(of margin)</span>
-                          <span className="stop-price">(价: {stopLossPrice.toFixed(4)})</span>
+                          <span className="stop-price">(价: {fmtPrice(stopLossPrice)})</span>
                           <span className="stop-amount">(金额: -{stopLossAmount >= 0.01 ? stopLossAmount.toFixed(2) : stopLossAmount.toFixed(4)} USDT)</span>
                         </div>
                         <div className="take-profit-info">
                           止盈: <span className="positive">+{takeProfitPercent.toFixed(2)}%</span>
                           <span className="take-note">(of margin)</span>
-                          <span className="take-price">(价: {takeProfitPrice.toFixed(4)})</span>
+                          <span className="take-price">(价: {fmtPrice(takeProfitPrice)})</span>
                           <span className="take-amount">(金额: +{takeProfitAmount >= 0.01 ? takeProfitAmount.toFixed(2) : takeProfitAmount.toFixed(4)} USDT)</span>
                         </div>
                         {(trade.take_profit_1 || trade.take_profit_2) && (
                           <div style={{ marginTop: '6px', fontSize: '12px', color: '#666' }}>
                             {trade.take_profit_1 && (
-                              <span style={{ marginRight: '10px' }}>TP1: {parseFloat(trade.take_profit_1).toFixed(4)}</span>
+                              <span style={{ marginRight: '10px' }}>TP1: {fmtPrice(parseFloat(trade.take_profit_1))}</span>
                             )}
                             {trade.take_profit_2 && (
-                              <span>TP2: {parseFloat(trade.take_profit_2).toFixed(4)}</span>
+                              <span>TP2: {fmtPrice(parseFloat(trade.take_profit_2))}</span>
                             )}
                           </div>
                         )}

trading_system/binance_client.py

@@ -858,6 +858,51 @@ class BinanceClient:
         except Exception:
             return BinanceClient._format_decimal_str(p)
 
+    @staticmethod
+    def _format_price_str_with_rounding(price: float, symbol_info: Optional[Dict], rounding_mode: str) -> str:
+        """
+        通用价格格式化（tickSize/pricePrecision 对齐），并允许显式指定 ROUND_UP / ROUND_DOWN。
+        rounding_mode: "UP" 或 "DOWN"
+        """
+        try:
+            from decimal import Decimal, ROUND_DOWN, ROUND_UP
+        except Exception:
+            return str(round(float(price), 8))
+
+        tick = 0.0
+        pp = 8
+        try:
+            tick = float(symbol_info.get("tickSize", 0) or 0) if symbol_info else 0.0
+        except Exception:
+            tick = 0.0
+        try:
+            pp = int(symbol_info.get("pricePrecision", 8) or 8) if symbol_info else 8
+        except Exception:
+            pp = 8
+
+        p = Decimal(str(price))
+        rounding = ROUND_UP if str(rounding_mode).upper() == "UP" else ROUND_DOWN
+
+        # tickSize 优先
+        try:
+            t = Decimal(str(tick))
+            if t > 0:
+                q = p / t
+                q2 = q.to_integral_value(rounding=rounding)
+                p2 = q2 * t
+                return BinanceClient._format_decimal_str(p2)
+        except Exception:
+            pass
+
+        # pricePrecision 兜底
+        try:
+            if pp <= 0:
+                return BinanceClient._format_decimal_str(p.to_integral_value(rounding=rounding))
+            p2 = p.quantize(Decimal(f"1e-{pp}"), rounding=rounding)
+            return BinanceClient._format_decimal_str(p2)
+        except Exception:
+            return BinanceClient._format_decimal_str(p)
+
     @staticmethod
     def _adjust_price_to_tick(price: float, tick_size: float, side: str) -> float:
         """
@@ -1253,6 +1298,165 @@ class BinanceClient:
             logger.error(f"取消订单失败: {e}")
             return False
 
+    async def get_open_orders(self, symbol: str) -> List[Dict]:
+        """
+        获取某交易对的未成交委托（用于防止重复挂保护单）。
+        """
+        try:
+            orders = await self.client.futures_get_open_orders(symbol=symbol)
+            return orders if isinstance(orders, list) else []
+        except Exception as e:
+            logger.debug(f"{symbol} 获取未成交委托失败: {e}")
+            return []
+
+    async def cancel_open_orders_by_types(self, symbol: str, types: set[str]) -> int:
+        """
+        取消指定类型的未成交委托（只取消保护单相关类型，避免重复下单）。
+        返回取消数量。
+        """
+        try:
+            want = {str(t).upper() for t in (types or set())}
+            if not want:
+                return 0
+            orders = await self.get_open_orders(symbol)
+            cancelled = 0
+            for o in orders:
+                try:
+                    if not isinstance(o, dict):
+                        continue
+                    otype = str(o.get("type") or "").upper()
+                    oid = o.get("orderId")
+                    if otype in want and oid:
+                        ok = await self.cancel_order(symbol, int(oid))
+                        if ok:
+                            cancelled += 1
+                except Exception:
+                    continue
+            return cancelled
+        except Exception:
+            return 0
+
+    async def place_trigger_close_position_order(
+        self,
+        symbol: str,
+        position_direction: str,
+        trigger_type: str,
+        stop_price: float,
+        current_price: Optional[float] = None,
+        working_type: str = "MARK_PRICE",
+    ) -> Optional[Dict]:
+        """
+        在币安侧挂“保护单”，用于止损/止盈：
+        - STOP_MARKET / TAKE_PROFIT_MARKET
+        - closePosition=True（自动平掉该 symbol 的当前仓位）
+
+        注意：这类单子不会在本地生成 exit_reason；触发后我们靠“持仓同步/订单同步”去回写数据库。
+        """
+        try:
+            symbol_info = await self.get_symbol_info(symbol)
+            dual = None
+            try:
+                dual = await self._get_dual_side_position()
+            except Exception:
+                dual = None
+
+            pd = (position_direction or "").upper()
+            if pd not in {"BUY", "SELL"}:
+                return None
+
+            ttype = str(trigger_type or "").upper()
+            if ttype not in {"STOP_MARKET", "TAKE_PROFIT_MARKET"}:
+                return None
+
+            close_side = "SELL" if pd == "BUY" else "BUY"
+
+            # stopPrice 的“避免立即触发”修正（按 MARK_PRICE）
+            cp = None
+            try:
+                cp = float(current_price) if current_price is not None else None
+            except Exception:
+                cp = None
+
+            tick = 0.0
+            pp = 8
+            try:
+                tick = float(symbol_info.get("tickSize", 0) or 0) if symbol_info else 0.0
+            except Exception:
+                tick = 0.0
+            try:
+                pp = int(symbol_info.get("pricePrecision", 8) or 8) if symbol_info else 8
+            except Exception:
+                pp = 8
+
+            min_step = tick if tick and tick > 0 else (10 ** (-pp) if pp and pp > 0 else 1e-8)
+
+            sp = float(stop_price or 0)
+            if sp <= 0:
+                return None
+
+            # 触发方向约束：
+            # - long 止损：价格 <= stopPrice（stopPrice 应 < current）
+            # - short 止损：价格 >= stopPrice（stopPrice 应 > current）
+            # - long 止盈：价格 >= stopPrice（stopPrice 应 > current）
+            # - short 止盈：价格 <= stopPrice（stopPrice 应 < current）
+            if cp and cp > 0:
+                if ttype == "STOP_MARKET":
+                    if pd == "BUY" and sp >= cp:
+                        sp = max(0.0, cp - min_step)
+                    if pd == "SELL" and sp <= cp:
+                        sp = cp + min_step
+                if ttype == "TAKE_PROFIT_MARKET":
+                    if pd == "BUY" and sp <= cp:
+                        sp = cp + min_step
+                    if pd == "SELL" and sp >= cp:
+                        sp = max(0.0, cp - min_step)
+
+            # rounding 规则（提高命中概率，避免“显示等于入场价”的误差带来立即触发/永不触发）：
+            # 止损：long 用 UP（更靠近当前价），short 用 DOWN
+            # 止盈：long 用 DOWN（更靠近当前价），short 用 UP
+            rounding_mode = "DOWN"
+            if ttype == "STOP_MARKET":
+                rounding_mode = "UP" if pd == "BUY" else "DOWN"
+            else:  # TAKE_PROFIT_MARKET
+                rounding_mode = "DOWN" if pd == "BUY" else "UP"
+
+            stop_price_str = self._format_price_str_with_rounding(sp, symbol_info, rounding_mode)
+
+            params: Dict[str, Any] = {
+                "symbol": symbol,
+                "side": close_side,
+                "type": ttype,
+                "stopPrice": stop_price_str,
+                "closePosition": True,
+                "workingType": working_type,
+            }
+
+            # 对冲模式：必须指定 positionSide
+            if dual is True:
+                params["positionSide"] = "LONG" if pd == "BUY" else "SHORT"
+
+            try:
+                return await self.client.futures_create_order(**params)
+            except BinanceAPIException as e:
+                code = getattr(e, "code", None)
+                # -4061: positionSide 不匹配 -> 兜底切换一次
+                if code == -4061:
+                    retry = dict(params)
+                    if "positionSide" in retry:
+                        retry.pop("positionSide", None)
+                    else:
+                        retry["positionSide"] = "LONG" if pd == "BUY" else "SHORT"
+                    return await self.client.futures_create_order(**retry)
+                raise
+
+        except BinanceAPIException as e:
+            # 常见：Order would immediately trigger（止损/止盈价不在正确一侧）
+            logger.warning(f"{symbol} 挂保护单失败({trigger_type}): {e}")
+            return None
+        except Exception as e:
+            logger.warning(f"{symbol} 挂保护单失败({trigger_type}): {e}")
+            return None
+    
     async def set_leverage(self, symbol: str, leverage: int = 10) -> bool:
         """
         设置杠杆倍数

trading_system/position_manager.py

@@ -590,6 +590,16 @@ class PositionManager:
                             f"数量={float(binance_position.get('positionAmt', 0)):.4f}, "
                             f"入场价={float(binance_position.get('entryPrice', 0)):.4f}"
                         )
+                        # 在币安侧挂“止损/止盈保护单”，避免仅依赖本地监控（服务重启/网络波动时更安全）
+                        try:
+                            current_mark = None
+                            try:
+                                current_mark = float(binance_position.get("markPrice", 0) or 0) or None
+                            except Exception:
+                                current_mark = None
+                            await self._ensure_exchange_sltp_orders(symbol, position_info, current_price=current_mark)
+                        except Exception as e:
+                            logger.warning(f"{symbol} 挂币安止盈止损失败（不影响持仓监控）: {e}")
                     else:
                         logger.warning(
                             f"{symbol} [开仓验证] ⚠️ 币安账户中没有持仓，可能订单未成交或被立即平仓"
@@ -638,6 +648,22 @@ class PositionManager:
         try:
             logger.info(f"{symbol} [平仓] 开始平仓操作 (原因: {reason})")
 
+            # 先取消币安侧的保护单（避免平仓后残留委托导致反向开仓/误触发）
+            try:
+                info0 = self.active_positions.get(symbol) if hasattr(self, "active_positions") else None
+                if info0 and isinstance(info0, dict):
+                    for k in ("exchangeSlOrderId", "exchangeTpOrderId"):
+                        oid = info0.get(k)
+                        if oid:
+                            try:
+                                await self.client.cancel_order(symbol, int(oid))
+                            except Exception:
+                                pass
+                    info0.pop("exchangeSlOrderId", None)
+                    info0.pop("exchangeTpOrderId", None)
+            except Exception:
+                pass
+            
             # 获取当前持仓
             positions = await self.client.get_open_positions()
             position = next(
@@ -1027,6 +1053,82 @@ class PositionManager:
         q = round(q, qty_precision)
         return max(0.0, q)
 
+    async def _ensure_exchange_sltp_orders(self, symbol: str, position_info: Dict, current_price: Optional[float] = None) -> None:
+        """
+        在币安侧挂止损/止盈保护单（STOP_MARKET + TAKE_PROFIT_MARKET）。
+        目的：
+        - 服务重启/网络波动时仍有交易所级别保护
+        - 用户在币安界面能看到止损/止盈委托
+        """
+        try:
+            enabled = bool(config.TRADING_CONFIG.get("EXCHANGE_SLTP_ENABLED", True))
+        except Exception:
+            enabled = True
+        if not enabled:
+            return
+
+        if not position_info or not isinstance(position_info, dict):
+            return
+
+        side = (position_info.get("side") or "").upper()
+        if side not in {"BUY", "SELL"}:
+            return
+
+        stop_loss = position_info.get("stopLoss")
+        take_profit = position_info.get("takeProfit2") or position_info.get("takeProfit")
+        try:
+            stop_loss = float(stop_loss) if stop_loss is not None else None
+        except Exception:
+            stop_loss = None
+        try:
+            take_profit = float(take_profit) if take_profit is not None else None
+        except Exception:
+            take_profit = None
+
+        if not stop_loss or not take_profit:
+            return
+
+        # 防重复：先取消旧的保护单（仅取消特定类型，避免误伤普通挂单）
+        try:
+            await self.client.cancel_open_orders_by_types(
+                symbol, {"STOP_MARKET", "TAKE_PROFIT_MARKET", "TRAILING_STOP_MARKET"}
+            )
+        except Exception:
+            pass
+
+        sl_order = await self.client.place_trigger_close_position_order(
+            symbol=symbol,
+            position_direction=side,
+            trigger_type="STOP_MARKET",
+            stop_price=stop_loss,
+            current_price=current_price,
+            working_type="MARK_PRICE",
+        )
+        tp_order = await self.client.place_trigger_close_position_order(
+            symbol=symbol,
+            position_direction=side,
+            trigger_type="TAKE_PROFIT_MARKET",
+            stop_price=take_profit,
+            current_price=current_price,
+            working_type="MARK_PRICE",
+        )
+
+        try:
+            position_info["exchangeSlOrderId"] = sl_order.get("orderId") if isinstance(sl_order, dict) else None
+        except Exception:
+            position_info["exchangeSlOrderId"] = None
+        try:
+            position_info["exchangeTpOrderId"] = tp_order.get("orderId") if isinstance(tp_order, dict) else None
+        except Exception:
+            position_info["exchangeTpOrderId"] = None
+
+        if position_info.get("exchangeSlOrderId") or position_info.get("exchangeTpOrderId"):
+            logger.info(
+                f"{symbol} 已挂币安保护单: "
+                f"SL={position_info.get('exchangeSlOrderId') or '-'} "
+                f"TP={position_info.get('exchangeTpOrderId') or '-'}"
+            )
+    
     async def check_stop_loss_take_profit(self) -> List[str]:
         """
         检查止损止盈
@@ -2019,6 +2121,16 @@ class PositionManager:
                         }
                         self.active_positions[symbol] = position_info
                         logger.info(f"{symbol} 已创建临时持仓记录用于监控")
+                        # 也为“现有持仓”补挂交易所保护单（重启/掉线更安全）
+                        try:
+                            mp = None
+                            try:
+                                mp = float(position.get("markPrice", 0) or 0) or None
+                            except Exception:
+                                mp = None
+                            await self._ensure_exchange_sltp_orders(symbol, position_info, current_price=mp or current_price)
+                        except Exception as e:
+                            logger.warning(f"{symbol} 补挂币安止盈止损失败（不影响监控）: {e}")
                     except Exception as e:
                         logger.error(f"{symbol} 创建临时持仓记录失败: {e}")