diff --git a/ft-app/app/templates/options.html b/ft-app/app/templates/options.html
index f61ca83..1f8efad 100644
--- a/ft-app/app/templates/options.html
+++ b/ft-app/app/templates/options.html
@@ -165,7 +165,7 @@
 <div class="section-title">已平仓 · {{ closed_trades|length }} 笔</div>
 <div class="table-wrap">
 <table>
-  <tr><th>品种</th><th>合约</th><th>类型</th><th>买卖</th><th>行权价</th><th>开仓</th><th>平仓</th><th>权利金</th><th>平仓价</th><th>开仓费</th><th>平仓费</th><th>盈亏</th><th>操作</th></tr>
+  <tr><th>品种</th><th>合约</th><th>类型</th><th>买卖</th><th>行权价</th><th>开仓</th><th>平仓</th><th>持仓</th><th>权利金</th><th>平仓价</th><th>开仓费</th><th>平仓费</th><th>盈亏</th><th>操作</th></tr>
   {% for t in closed_trades %}
   <tr>
     <td>{{ t.product_code }}</td>
@@ -187,6 +187,7 @@
     <td>{{ t.strike_price }}</td>
     <td style="font-size:0.8rem;">{{ t.open_date }} {{ weekdays[t.open_date.weekday()] }}</td>
     <td style="font-size:0.8rem;">{{ t.close_date }} {{ weekdays[t.close_date.weekday()] }}</td>
+    <td>{{ (t.close_date - t.open_date).days }}天</td>
     <td>{{ t.open_price }}</td>
     <td>{{ t.close_price }}</td>
     <td>{{ t.open_fee or 0 }}</td>
diff --git a/ft-app/app/templates/trades.html b/ft-app/app/templates/trades.html
index b411afd..509531f 100644
--- a/ft-app/app/templates/trades.html
+++ b/ft-app/app/templates/trades.html
@@ -145,7 +145,7 @@
 <div class="section-title">已平仓 · {{ closed_trades|length }} 笔</div>
 <div class="table-wrap">
 <table>
-  <tr><th>品种</th><th>合约</th><th>方向</th><th>开仓</th><th>平仓</th><th>开仓价</th><th>平仓价</th><th>开仓费</th><th>平仓费</th><th>盈亏</th><th>操作</th></tr>
+  <tr><th>品种</th><th>合约</th><th>方向</th><th>开仓</th><th>平仓</th><th>持仓</th><th>开仓价</th><th>平仓价</th><th>开仓费</th><th>平仓费</th><th>盈亏</th><th>操作</th></tr>
   {% for t in closed_trades %}
   <tr>
     <td>{{ t.product_code }}</td>
@@ -159,6 +159,7 @@
     </td>
     <td style="font-size:0.8rem;">{{ t.open_date }} {{ weekdays[t.open_date.weekday()] }}</td>
     <td style="font-size:0.8rem;">{{ t.close_date }} {{ weekdays[t.close_date.weekday()] }}</td>
+    <td>{{ (t.close_date - t.open_date).days }}天</td>
     <td>{{ t.open_price }}</td>
     <td>{{ t.close_price }}</td>
     <td>{{ t.open_fee or 0 }}</td>