diff --git a/dsLightRag/static/YunXiao/course_page.html b/dsLightRag/static/YunXiao/course_page.html
index e0db866f..810d9afc 100644
--- a/dsLightRag/static/YunXiao/course_page.html
+++ b/dsLightRag/static/YunXiao/course_page.html
@@ -506,8 +506,7 @@
                 <div class="info-section">
                     <div class="info-title">学习目标</div>
                     <div class="info-content">
-                        <div style="display: flex; gap: 10px; margin-bottom: 10px;">
-                            <span style="background-color: #e6f2ff; color: #0066cc; padding: 3px 10px; border-radius: 12px; font-size: 12px;">00:00-00:02</span>
+                        <div style="display: flex; gap: 10px; margin-bottom: 10px;">                            
                             <span style="background-color: #e6f2ff; color: #0066cc; padding: 3px 10px; border-radius: 12px; font-size: 12px;">知识脉络</span>
                             <span style="background-color: #e6f2ff; color: #0066cc; padding: 3px 10px; border-radius: 12px; font-size: 12px;">典例分析</span>
                         </div>
@@ -610,7 +609,7 @@
                     <li class="resource-item">
                         <div class="resource-name">
                             <span class="resource-icon">📝</span>
-                            作业与习题
+                            作业与习题                            
                         </div>
                         <div class="resource-arrow"></div>
                     </li>
@@ -630,7 +629,7 @@
                 </div>
                 <div class="button-container">
                     <button class="course-button summary-btn">
-                        <span class="button-icon">📋</span>
+                        <span class="button-icon">📊</span>
                         <span class="button-text">AI课程总结</span>
                     </button>
                     <button class="course-button question-btn">