diff --git a/frontend/src/components/TradeList.jsx b/frontend/src/components/TradeList.jsx
index f39a9d1..3622b1a 100644
--- a/frontend/src/components/TradeList.jsx
+++ b/frontend/src/components/TradeList.jsx
@@ -247,7 +247,7 @@ const TradeList = () => {
               <div className="stat-value">胜率：{stats.win_rate.toFixed(2)}%</div>
               <div className="stat-value">总盈亏：{stats.total_pnl.toFixed(2)} USDT</div>
               <div className="stat-value">平均盈亏：{stats.avg_pnl.toFixed(2)} USDT</div>
-              <div className="stat-value">平均持仓时长（分钟）：{Number(stats.avg_duration_minutes || 0).toFixed(0)}</div>
+              <div className="stat-value">平均持仓时长（分钟）：{stats.avg_duration_minutes ? Number(stats.avg_duration_minutes):0}</div>
               <div className="stat-value">平仓原因（有意义交易）：
                 <div className="stat-value" style={{ fontSize: '1.1rem' }}>
                   {(() => {