diff --git a/frontend/paper-trading.html b/frontend/paper-trading.html
index 145df25..a2fd93f 100644
--- a/frontend/paper-trading.html
+++ b/frontend/paper-trading.html
@@ -1322,8 +1322,6 @@
 
                 <!-- 收益率图表 -->
                 <div v-show="activeTab === 'returns'">
-                    <h3 style="color: var(--text-primary); font-weight: 300; margin-bottom: 16px;">每日收益率</h3>
-
                     <!-- 汇总卡片 -->
                     <div class="summary-chart-grid">
                         <div class="summary-chart-card">