diff --git a/convert.html b/convert.html
index da5503975..86ec30da4 100644
--- a/convert.html
+++ b/convert.html
@@ -78,7 +78,7 @@
     <span class="o">}</span></pre></div>
             <br/>
 
-            <p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Convert 基本用法：</p>
+            <p id="convert_base">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Convert 基本用法：</p>
             <div class="highlight"><pre>    <span class="kd">public</span> <span class="kd">class</span> <span class="nc">UserRecord</span> <span class="o">{</span>
 
         <span class="kd">private</span> <span class="kt">int</span> <span class="n">userid</span><span class="o">;</span>