diff --git a/.jekyll-metadata b/.jekyll-metadata
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diff --git a/.sass-cache/6cb805bc306cca7fdb5d8f72870f23c31ddcffb2/_base.scssc b/.sass-cache/6cb805bc306cca7fdb5d8f72870f23c31ddcffb2/_base.scssc
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diff --git a/.sass-cache/6cb805bc306cca7fdb5d8f72870f23c31ddcffb2/_layout.scssc b/.sass-cache/6cb805bc306cca7fdb5d8f72870f23c31ddcffb2/_layout.scssc
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diff --git a/.sass-cache/6cb805bc306cca7fdb5d8f72870f23c31ddcffb2/_post.scssc b/.sass-cache/6cb805bc306cca7fdb5d8f72870f23c31ddcffb2/_post.scssc
index 2530e5f..2ffe7a7 100644
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diff --git a/.sass-cache/6cb805bc306cca7fdb5d8f72870f23c31ddcffb2/_syntax-highlighting.scssc b/.sass-cache/6cb805bc306cca7fdb5d8f72870f23c31ddcffb2/_syntax-highlighting.scssc
index aa793cb..ecac0c2 100644
Binary files a/.sass-cache/6cb805bc306cca7fdb5d8f72870f23c31ddcffb2/_syntax-highlighting.scssc and b/.sass-cache/6cb805bc306cca7fdb5d8f72870f23c31ddcffb2/_syntax-highlighting.scssc differ
diff --git a/_config.yml b/_config.yml
index 3ca5da8..cfa861d 100644
--- a/_config.yml
+++ b/_config.yml
@@ -18,6 +18,7 @@ baseurl: "" # the subpath of your site, e.g. /blog
 url: "https://codersherlock.github.com/" # the base hostname & protocol for your site
 twitter_username: haopengzhan
 github_username:  codersherlock
+disqus_shortname: codersherlockblog
 
 permalink: /archivers/:title
 gems:
diff --git a/_site/about/index.html b/_site/about/index.html
index e037292..78512cb 100644
--- a/_site/about/index.html
+++ b/_site/about/index.html
@@ -171,8 +171,6 @@ Niagara Falls, NY, USA, 2017.</p>
   
 
 
-
-
 </div>
 
         </div>
diff --git a/_site/archivers/charles-is-not-a-good-tool.html b/_site/archivers/charles-is-not-a-good-tool.html
index bfbe419..46e5744 100644
--- a/_site/archivers/charles-is-not-a-good-tool.html
+++ b/_site/archivers/charles-is-not-a-good-tool.html
@@ -104,6 +104,18 @@ You also need to save charles Root Certificate, it also contains in the same men
   
   
 
+<div class="post-comments">
+  <div id="disqus_thread"></div>
+  <script type="text/javascript">
+      var disqus_shortname = 'codersherlockblog'; // required: replace example with your forum shortname
+      (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>
+</div>
+
 
 
 
diff --git a/_site/archivers/hello.html b/_site/archivers/hello.html
index 6238f5c..880195c 100644
--- a/_site/archivers/hello.html
+++ b/_site/archivers/hello.html
@@ -76,6 +76,18 @@
   
   
 
+<div class="post-comments">
+  <div id="disqus_thread"></div>
+  <script type="text/javascript">
+      var disqus_shortname = 'codersherlockblog'; // required: replace example with your forum shortname
+      (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>
+</div>
+
 
 
 
diff --git a/_site/archivers/intro-xv6.html b/_site/archivers/intro-xv6.html
index 6d4c933..1038e08 100644
--- a/_site/archivers/intro-xv6.html
+++ b/_site/archivers/intro-xv6.html
@@ -95,6 +95,18 @@
   
   
 
+<div class="post-comments">
+  <div id="disqus_thread"></div>
+  <script type="text/javascript">
+      var disqus_shortname = 'codersherlockblog'; // required: replace example with your forum shortname
+      (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>
+</div>
+
 
 
 
diff --git a/_site/archivers/some-of-my-previews-exper-work.html b/_site/archivers/some-of-my-previews-exper-work.html
index d484d63..26f8ef6 100644
--- a/_site/archivers/some-of-my-previews-exper-work.html
+++ b/_site/archivers/some-of-my-previews-exper-work.html
@@ -185,6 +185,18 @@ su
   
   
 
+<div class="post-comments">
+  <div id="disqus_thread"></div>
+  <script type="text/javascript">
+      var disqus_shortname = 'codersherlockblog'; // required: replace example with your forum shortname
+      (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>
+</div>
+
 
 
 
diff --git a/_site/feed.xml b/_site/feed.xml
index 7fcb570..7b92356 100644
--- a/_site/feed.xml
+++ b/_site/feed.xml
@@ -6,9 +6,9 @@
 </description>
     <link>https://codersherlock.github.com//</link>
     <atom:link href="https://codersherlock.github.com//feed.xml" rel="self" type="application/rss+xml"/>
-    <pubDate>Fri, 23 Feb 2018 15:54:34 -0500</pubDate>
-    <lastBuildDate>Fri, 23 Feb 2018 15:54:34 -0500</lastBuildDate>
-    <generator>Jekyll v3.7.2</generator>
+    <pubDate>Wed, 29 Aug 2018 16:34:12 -0400</pubDate>
+    <lastBuildDate>Wed, 29 Aug 2018 16:34:12 -0400</lastBuildDate>
+    <generator>Jekyll v3.8.3</generator>
     
       <item>
         <title>Xv6 introduction</title>
diff --git a/about.md b/about.md
index c6bf783..4620293 100644
--- a/about.md
+++ b/about.md
@@ -3,6 +3,7 @@ layout: page
 title: About
 permalink: /about/
 public: true
+nocomments: true
 ---
 
 # Pengzhan Hao