diff --git a/app/views/shared/_list.html.erb b/app/views/shared/_list.html.erb
index 7f3f8c1..6207675 100644
--- a/app/views/shared/_list.html.erb
+++ b/app/views/shared/_list.html.erb
@@ -10,7 +10,7 @@
             <% url = get_list_url(source_type, ch_remote_params(params, h[:sort])) %>
             <%= link_to "#{h[:name]}", url, remote: true, class: "#{params[:sort] == h[:sort] ? 'text-primary' : ''}" %>
           <% end %>
-          <% if h[:sort].in?(["roi", "margin_ratio"]) %>
+          <% if h[:sort].in?(["roi", "margin_ratio", "average_durations"]) %>
             <span class="question-mark" data-bs-toggle="tooltip" title='<%= t("views.trading.#{h[:sort]}") %>'>?</span>
           <% end %>
         </th>
diff --git a/app/views/synced_transactions/_list.html.erb b/app/views/synced_transactions/_list.html.erb
index abcce74..1731551 100644
--- a/app/views/synced_transactions/_list.html.erb
+++ b/app/views/synced_transactions/_list.html.erb
@@ -19,10 +19,10 @@
         <td><%= h.event_time.strftime('%Y-%m-%d %H:%M:%S') %></td>
         <td><%= h.origin_symbol %></td>
         <td class="<%= trade_type_style(h.trade_type) %>"><%= h.trade_type == 'buy' ? '买入' : '卖出' %></td>
-        <td><%= h.cost_price.round(4) %> <%= h.fee_symbol %></td>
+        <td data-bs-toggle="tooltip" title='<%= h.cost_price %>'><%= h.cost_price.round(4) %> <%= h.fee_symbol %></td>
         <td><%= h.qty.abs.round(4) %></td>
         <td><%= h.total_cost.round(4) %> <%= h.fee_symbol %></td>
-        <td><%= h.price.round(4) %> <%= h.fee_symbol %></td>
+        <td data-bs-toggle="tooltip" title='<%= h.price %>'><%= h.price.round(4) %> <%= h.fee_symbol %></td>
         <td><%= h.amount.abs.round(4) %> <%= h.fee_symbol %></td>
         <td><%= h.fee.round(4) %> <%= h.fee_symbol %></td>
         <td class="<%= h.revenue > 0 ? 'pos-num' : 'neg-num' %>"><%= "#{h.revenue.round(4)} #{h.fee_symbol}" %></td>
diff --git a/config/locales/zh-CN.yml b/config/locales/zh-CN.yml
index 821b29a..0371aa6 100644
--- a/config/locales/zh-CN.yml
+++ b/config/locales/zh-CN.yml
@@ -17,6 +17,7 @@ zh-CN:
       total_revenue: (买入数量-卖出数量）* 当前价格 + 卖出总价 - 买入成本
       total_roi: 总收益 / 总买入成本
       margin_ratio: 空单为（当前价 - 最低价）/ 最低价，多单为（最高价 - 当前价）/ 当前价
+      average_durations: 未平仓投入总持仓时间 / 未平仓投入数量
     contract_trading:
       sell: 多
       buy: 空