a

backend/api/routes/trades.py

@@ -4,6 +4,7 @@
 from fastapi import APIRouter, Query, HTTPException
 from typing import Optional
 from datetime import datetime, timedelta
+from collections import Counter
 import sys
 from pathlib import Path
 import logging
@@ -227,6 +228,23 @@ async def get_trade_stats(
         )
         win_loss_ratio = (avg_win_pnl / avg_loss_pnl_abs) if avg_loss_pnl_abs > 0 else None
 
+        # 平仓原因分布（用来快速定位胜率低的主要来源：止损/止盈/同步等）
+        exit_reason_counts = Counter((t.get("exit_reason") or "unknown") for t in meaningful_trades)
+
+        # 平均持仓时长（分钟）：优先使用 duration_minutes 字段（若为空则跳过）
+        durations = []
+        for t in meaningful_trades:
+            dm = t.get("duration_minutes")
+            try:
+                if dm is None:
+                    continue
+                dm_f = float(dm)
+                if dm_f >= 0:
+                    durations.append(dm_f)
+            except Exception:
+                continue
+        avg_duration_minutes = (sum(durations) / len(durations)) if durations else None
+        
         stats = {
             "total_trades": len(trades),
             "closed_trades": len(closed_trades),
@@ -243,6 +261,8 @@ async def get_trade_stats(
             "avg_loss_pnl_abs": avg_loss_pnl_abs,
             "avg_win_loss_ratio": win_loss_ratio,
             "avg_win_loss_ratio_target": 3.0,
+            "exit_reason_counts": dict(exit_reason_counts),
+            "avg_duration_minutes": avg_duration_minutes,
             # 总交易量（名义下单量口径）：优先使用 notional_usdt（新字段），否则回退 entry_price * quantity
             "total_notional_usdt": sum(
                 float(t.get('notional_usdt') or (float(t.get('entry_price', 0)) * float(t.get('quantity', 0))))

frontend/src/components/TradeList.jsx

@@ -266,6 +266,39 @@ const TradeList = () => {
               {stats.avg_pnl.toFixed(2)} USDT
             </div>
           </div>
+          {"avg_duration_minutes" in stats && stats.avg_duration_minutes !== null && stats.avg_duration_minutes !== undefined && (
+            <div className="stat-card">
+              <div className="stat-label">平均持仓时长（分钟）</div>
+              <div className="stat-value">{Number(stats.avg_duration_minutes || 0).toFixed(0)}</div>
+              <div style={{ fontSize: '12px', color: '#999', marginTop: '4px' }}>
+                （仅统计“有意义交易”，且需要 duration_minutes 字段）
+              </div>
+            </div>
+          )}
+          {"exit_reason_counts" in stats && stats.exit_reason_counts && (
+            <div className="stat-card">
+              <div className="stat-label">平仓原因（有意义交易）</div>
+              <div className="stat-value" style={{ fontSize: '1.1rem' }}>
+                {(() => {
+                  const m = stats.exit_reason_counts || {}
+                  const stopLoss = Number(m.stop_loss || 0)
+                  const takeProfit = Number(m.take_profit || 0)
+                  const trailing = Number(m.trailing_stop || 0)
+                  const manual = Number(m.manual || 0)
+                  const sync = Number(m.sync || 0)
+                  const other = Number(m.unknown || 0)
+                  const parts = []
+                  if (stopLoss) parts.push(`止损 ${stopLoss}`)
+                  if (takeProfit) parts.push(`止盈 ${takeProfit}`)
+                  if (trailing) parts.push(`移动止损 ${trailing}`)
+                  if (manual) parts.push(`手动 ${manual}`)
+                  if (sync) parts.push(`同步 ${sync}`)
+                  if (other) parts.push(`其他 ${other}`)
+                  return parts.length ? parts.join(' / ') : '—'
+                })()}
+              </div>
+            </div>
+          )}
           {"avg_win_pnl" in stats && "avg_loss_pnl_abs" in stats && Number(stats.total_pnl || 0) > 0 && (
             <div className="stat-card">
               <div className="stat-label">平均盈利 / 平均亏损（期望 3:1）</div>

trading_system/strategy.py

@@ -413,6 +413,13 @@ class TradingStrategy:
         min_signal_strength = config.TRADING_CONFIG.get('MIN_SIGNAL_STRENGTH', 7)
         should_trade = signal_strength >= min_signal_strength and direction is not None
 
+        # 提升胜率：4H趋势中性时不做自动交易（只保留推荐/观察）
+        # 经验上，中性趋势下“趋势跟踪”信号更容易被来回扫损，导致胜率显著降低与交易次数激增。
+        if trend_4h == 'neutral':
+            if should_trade:
+                reasons.append("❌ 4H趋势中性（为提升胜率：仅生成推荐，不自动交易）")
+            should_trade = False
+        
         # 如果信号方向与4H趋势相反，直接拒绝交易
         if direction and trend_4h:
             if (direction == 'BUY' and trend_4h == 'down') or (direction == 'SELL' and trend_4h == 'up'):