diff --git a/index.html b/index.html
index dca92b7..d0d0113 100644
--- a/index.html
+++ b/index.html
@@ -956,19 +956,21 @@
 
         <hr />
 
-        <h2 style="
+        <div style="
         text-align: center;
         background-color: #648cdd;
         color: white;
         padding: 0.8rem;
         border-radius: 0.5rem;
-        ">论坛嘉宾分享</h2>
-        <p>
-          <img src="./index_files/event.svg" class="conf-icon" />15:35 - 16:35
-        </p>
-        <p>
-          <img src="./index_files/topic.svg" class="conf-icon" />论坛题目：大湾区高校与健康推广论坛
-        </p>
+        ">
+          <h2>论坛嘉宾分享</h2>
+          <p>
+            <img src="./index_files/event.svg" class="conf-icon" />15:35 - 16:35
+          </p>
+          <p>
+            <img src="./index_files/topic.svg" class="conf-icon" />论坛题目：大湾区高校与健康推广论坛
+          </p>
+        </div>
 
         <div class="conf-card">
           <div class="conf-card-info">