diff --git a/dsLightRag/static/ai.html b/dsLightRag/static/ai.html
index d8713fe6..4338d5dd 100644
--- a/dsLightRag/static/ai.html
+++ b/dsLightRag/static/ai.html
@@ -164,14 +164,14 @@
         </div>
 
         <div class="card">
-            <i class="fas fa-book"></i>
+            <i class="fas fa-shapes"></i>
             <h3>几何专题</h3>
             <p>探索几何专题垂直模型示例</p>
             <a href="JiHe.html" class="btn" target="_blank">进入 <i class="fas fa-arrow-right"></i></a>
         </div>
 
         <div class="card">
-            <i class="fas fa-user-graduate"></i>
+            <i class="fas fa-pen-fancy"></i>
             <h3>苏轼专题</h3>
             <p>宋代文学家苏轼专题研究</p>
             <a href="SuShi.html" class="btn" target="_blank">进入 <i class="fas fa-arrow-right"></i></a>
@@ -213,7 +213,7 @@
             <a href="https://blog.csdn.net/xixiaoyaoww/article/details/141364224" class="btn" target="_blank">进入 <i class="fas fa-arrow-right"></i></a>
         </div>
         <div class="card">
-            <i class="fas fa-sitemap"></i>
+            <i class="fas fa-project-diagram"></i>
             <h3>知识图谱</h3>
             <p>小学数学知识图谱(开发中)</p>
             <a href="tree.html" class="btn" target="_blank">进入 <i class="fas fa-arrow-right"></i></a>