diff --git a/index.htm b/index.htm
index 5645270..9baf4b7 100644
--- a/index.htm
+++ b/index.htm
@@ -51,14 +51,17 @@
 <hr />
     <img src="https://liu673cn.github.io/mao/sub/Xbb/cat1.jpg" alt="cat1" /> <br />  
 <table>
-  <thead>
+    <tbody>
     <tr>
       <td><img src="https://liu673cn.github.io/mao/sub/Xbb/cat2_1.jpg" alt="cat2_1" /></td>
       <td><img src="https://liu673cn.github.io/mao/sub/Xbb/cat2_2.jpg" alt="cat2_2" /></td>
+    </tr>
+    <tr>
       <td><img src="https://liu673cn.github.io/mao/sub/Xbb/cat3_1.jpg" alt="cat3_1" /></td>
       <td><img src="https://liu673cn.github.io/mao/sub/Xbb/cat3_2.jpg" alt="cat3_2" /></td>
     </tr>
-  </thead>
+  </tbody>
+</table>  
   <hr />
  <h3>4. 由于网络接口的时效性，可能无法使用</h3>  
 <pre><code>4.设置——当前配置接口输入