diff --git a/convert.html b/convert.html
index 5b4d16a44..e02d572aa 100644
--- a/convert.html
+++ b/convert.html
@@ -240,7 +240,7 @@
                     <span class="n">DeMember</span> <span class="n">member</span> <span class="o">=</span> <span class="n">in</span><span class="o">.</span><span class="na">readField</span><span class="o">(</span><span class="n">index</span><span class="o">,</span> <span class="n">deMembers</span><span class="o">);</span>
                     <span class="n">in</span><span class="o">.</span><span class="na">skipBlank</span><span class="o">();</span> <span class="c1">//跳过冒号:</span>
                     <span class="k">if</span> <span class="o">(</span><span class="n">member</span> <span class="o">==</span> <span class="kc">null</span><span class="o">)</span> <span class="o">{</span>
-                        <span class="n">in</span><span class="o">.</span><span class="na">skipValue</span><span class="o">();</span> <span class="c1">//跳过该属性的值, 一般不会发生</span>
+                        <span class="n">in</span><span class="o">.</span><span class="na">skipValue</span><span class="o">();</span> <span class="c1">//跳过不存在的属性的值, 一般不会发生</span>
                     <span class="o">}</span> <span class="k">else</span> <span class="o">{</span>
                         <span class="n">params</span><span class="o">[</span><span class="n">index</span><span class="o">.</span><span class="na">get</span><span class="o">()]</span> <span class="o">=</span> <span class="n">member</span><span class="o">.</span><span class="na">read</span><span class="o">(</span><span class="n">in</span><span class="o">);</span>
                     <span class="o">}</span>