diff --git a/index.html b/index.html
index 78eede2..57dd87e 100644
--- a/index.html
+++ b/index.html
@@ -37,6 +37,14 @@
       // run
       ditto.run();
   </script>
+  <script type="text/javascript">
+	var disqus_shortname = 'es6'; 
+	(function() {
+	var dsq = document.createElement('script'); dsq.type = 'text/javascript'; dsq.async = true;
+	dsq.src = '//' + disqus_shortname + '.disqus.com/embed.js';
+	(document.getElementsByTagName('head')[0] || document.getElementsByTagName('body')[0]).appendChild(dsq);
+	 })();
+	</script>
     <noscript>
 	  <p>《ECMAScript 6入门》是一本开源的JavaScript语言教程，全面介绍ECMAScript 6新增的语法特性。</p>
 	  <p>本书力争覆盖ES6与ES5的所有不同之处，对涉及的语法知识给予详细介绍，并给出大量简洁易懂的示例代码。</p>
diff --git a/js/ditto.js b/js/ditto.js
index e03d8e8..7f82f94 100644
--- a/js/ditto.js
+++ b/js/ditto.js
@@ -16,15 +16,7 @@ var ditto = {
     run: initialize
 };
 
-var disqusCode = '<h3>留言</h3><div id="disqus_thread"></div>'
-	+ '<script type="text/javascript">'
-	+ "var disqus_shortname = 'es6'; "
-	+ "(function() {"
-	+ "var dsq = document.createElement('script'); dsq.type = 'text/javascript'; dsq.async = true;"
-	+ "dsq.src = '//' + disqus_shortname + '.disqus.com/embed.js?'+Date.now();"
-	+ "(document.getElementsByTagName('head')[0] || document.getElementsByTagName('body')[0]).appendChild(dsq);"
-	+ " })();"
-	+ '</script>'; 
+var disqusCode = '<h3>留言</h3><div id="disqus_thread"></div>'; 
 
 var disqus_identifier=location.hash;
 var disqus_title;