diff --git a/README.html b/README.html
index 1986eb1..54affa6 100644
--- a/README.html
+++ b/README.html
@@ -87,7 +87,6 @@
     <li><a href="#4.2.3">4.2.3 Mermaid</a></li>
     </ul>
     </li>
-    <li><a href="#4.3">4.3 代码高亮</a></li>
     </ul>
     </li>
     <li><a href="#5">5 转义</a></li>
@@ -179,8 +178,7 @@
     </code></pre></div>
     
     <h3 id="4.2.2">4.2.2 Python</h3>
-    <div class="codehilite"><pre><span></span><code><span class="p">:::</span><span class="n">python</span>
-    <span class="nb">print</span><span class="p">(</span><span class="s1">&#39;CrossDown&#39;</span><span class="p">)</span>
+    <div class="codehilite"><pre><span></span><code><span class="nb">print</span><span class="p">(</span><span class="s1">&#39;CrossDown&#39;</span><span class="p">)</span>
     </code></pre></div>
     
     <h3 id="4.2.3">4.2.3 Mermaid</h3>
@@ -191,10 +189,6 @@
     <span class="w">    </span><span class="n">C</span><span class="o">--&gt;</span><span class="n">D</span>
     </code></pre></div>
     
-    <h2 id="4.3">4.3 代码高亮</h2>
-    <div class="codehilite"><pre><span></span><code>
-    </code></pre></div>
-    
     <h1 id="5">5 转义</h1>
     <p>\ </p>
     <p>\a </p>
diff --git a/README.md b/README.md
index d3fa654..67489dc 100644
--- a/README.md
+++ b/README.md
@@ -135,12 +135,6 @@ graph LR
     C-->D
 ```
 
-4.3 代码高亮
-
-```python
-
-```
-
 5 转义
 
 \\