diff --git a/Gemfile.lock b/Gemfile.lock
index 3acb31e..a0cf0d4 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,7 +1,7 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    activesupport (6.0.3.7)
+    activesupport (6.0.4)
       concurrent-ruby (~> 1.0, >= 1.0.2)
       i18n (>= 0.7, < 2)
       minitest (~> 5.1)
@@ -17,7 +17,7 @@ GEM
     commonmarker (0.17.13)
       ruby-enum (~> 0.5)
     concurrent-ruby (1.1.9)
-    dnsruby (1.61.5)
+    dnsruby (1.61.7)
       simpleidn (~> 0.1)
     em-websocket (0.5.2)
       eventmachine (>= 0.12.9)
@@ -26,7 +26,7 @@ GEM
       ffi (>= 1.15.0)
     eventmachine (1.2.7)
     execjs (2.8.1)
-    faraday (1.4.2)
+    faraday (1.4.3)
       faraday-em_http (~> 1.0)
       faraday-em_synchrony (~> 1.0)
       faraday-excon (~> 1.1)
@@ -39,7 +39,7 @@ GEM
     faraday-excon (1.1.0)
     faraday-net_http (1.0.1)
     faraday-net_http_persistent (1.1.0)
-    ffi (1.15.1)
+    ffi (1.15.3)
     forwardable-extended (2.6.0)
     gemoji (3.0.1)
     github-pages (215)
diff --git a/_includes/disqus_comments.html b/_includes/disqus_comments.html
new file mode 100644
index 0000000..d9400f2
--- /dev/null
+++ b/_includes/disqus_comments.html
@@ -0,0 +1,20 @@
+{%- if page.comments != false and jekyll.environment == "production" -%}
+
+  <div id="disqus_thread"></div>
+  <script>
+    var disqus_config = function () {
+      this.page.url = '{{ page.url | absolute_url }}';
+      this.page.identifier = '{{ page.url | absolute_url }}';
+    };
+
+    (function() {
+      var d = document, s = d.createElement('script');
+
+      s.src = 'https://{{ site.disqus.shortname }}.disqus.com/embed.js';
+
+      s.setAttribute('data-timestamp', +new Date());
+      (d.head || d.body).appendChild(s);
+    })();
+  </script>
+  <noscript>Please enable JavaScript to view the <a href="https://disqus.com/?ref_noscript" rel="nofollow">comments powered by Disqus.</a></noscript>
+{%- endif -%}
diff --git a/_includes/footer.html b/_includes/footer.html
new file mode 100644
index 0000000..db72885
--- /dev/null
+++ b/_includes/footer.html
@@ -0,0 +1,35 @@
+<footer class="site-footer h-card">
+  <data class="u-url" href="{{ "/" | relative_url }}"></data>
+
+  <div class="wrapper">
+
+    <h2 class="footer-heading">{{ site.title | escape }}</h2>
+
+    <div class="footer-col-wrapper">
+      <div class="footer-col footer-col-1">
+        <ul class="contact-list">
+          <li class="p-name">
+            {%- if site.author -%}
+              {{ site.author | escape }}
+            {%- else -%}
+              {{ site.title | escape }}
+            {%- endif -%}
+            </li>
+            {%- if site.email -%}
+            <li><a class="u-email" href="mailto:{{ site.email }}">{{ site.email }}</a></li>
+            {%- endif -%}
+        </ul>
+      </div>
+
+      <div class="footer-col footer-col-2">
+        {%- include social.html -%}
+      </div>
+
+      <div class="footer-col footer-col-3">
+        <p>{{- site.description | escape -}}</p>
+      </div>
+    </div>
+
+  </div>
+
+</footer>
diff --git a/_includes/google-analytics.html b/_includes/google-analytics.html
new file mode 100644
index 0000000..e9afb20
--- /dev/null
+++ b/_includes/google-analytics.html
@@ -0,0 +1,12 @@
+<script>
+if(!(window.doNotTrack === "1" || navigator.doNotTrack === "1" || navigator.doNotTrack === "yes" || navigator.msDoNotTrack === "1")) {
+  (function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){
+  (i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),
+  m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)
+  })(window,document,'script','https://www.google-analytics.com/analytics.js','ga');
+
+  ga('create', '{{ site.google_analytics }}', 'auto');
+  ga('send', 'pageview');
+}
+</script>
+  
diff --git a/_includes/head.html b/_includes/head.html
new file mode 100644
index 0000000..899e96e
--- /dev/null
+++ b/_includes/head.html
@@ -0,0 +1,11 @@
+<head>
+  <meta charset="utf-8">
+  <meta http-equiv="X-UA-Compatible" content="IE=edge">
+  <meta name="viewport" content="width=device-width, initial-scale=1">
+  {%- seo -%}
+  <link rel="stylesheet" href="{{ "/assets/main.css" | relative_url }}">
+  {%- feed_meta -%}
+  {%- if jekyll.environment == 'production' and site.google_analytics -%}
+    {%- include google-analytics.html -%}
+  {%- endif -%}
+</head>
diff --git a/_includes/header.html b/_includes/header.html
new file mode 100644
index 0000000..658531d
--- /dev/null
+++ b/_includes/header.html
@@ -0,0 +1,30 @@
+<header class="site-header" role="banner">
+
+  <div class="wrapper">
+    {%- assign default_paths = site.pages | map: "path" -%}
+    {%- assign page_paths = site.header_pages | default: default_paths -%}
+    <a class="site-title" rel="author" href="{{ "/" | relative_url }}">{{ site.title | escape }}</a>
+
+    {%- if page_paths -%}
+      <nav class="site-nav">
+        <input type="checkbox" id="nav-trigger" class="nav-trigger" />
+        <label for="nav-trigger">
+          <span class="menu-icon">
+            <svg viewBox="0 0 18 15" width="18px" height="15px">
+              <path d="M18,1.484c0,0.82-0.665,1.484-1.484,1.484H1.484C0.665,2.969,0,2.304,0,1.484l0,0C0,0.665,0.665,0,1.484,0 h15.032C17.335,0,18,0.665,18,1.484L18,1.484z M18,7.516C18,8.335,17.335,9,16.516,9H1.484C0.665,9,0,8.335,0,7.516l0,0 c0-0.82,0.665-1.484,1.484-1.484h15.032C17.335,6.031,18,6.696,18,7.516L18,7.516z M18,13.516C18,14.335,17.335,15,16.516,15H1.484 C0.665,15,0,14.335,0,13.516l0,0c0-0.82,0.665-1.483,1.484-1.483h15.032C17.335,12.031,18,12.695,18,13.516L18,13.516z"/>
+            </svg>
+          </span>
+        </label>
+
+        <div class="trigger">
+          {%- for path in page_paths -%}
+            {%- assign my_page = site.pages | where: "path", path | first -%}
+            {%- if my_page.title -%}
+            <a class="page-link" href="{{ my_page.url | relative_url }}">{{ my_page.title | escape }}</a>
+            {%- endif -%}
+          {%- endfor -%}
+        </div>
+      </nav>
+    {%- endif -%}
+  </div>
+</header>
diff --git a/_includes/icon-github.html b/_includes/icon-github.html
new file mode 100644
index 0000000..e501a16
--- /dev/null
+++ b/_includes/icon-github.html
@@ -0,0 +1 @@
+<a href="https://github.com/{{ include.username }}"><span class="icon icon--github">{% include icon-github.svg %}</span><span class="username">{{ include.username }}</span></a>
diff --git a/_includes/icon-github.svg b/_includes/icon-github.svg
new file mode 100644
index 0000000..e6c5f6d
--- /dev/null
+++ b/_includes/icon-github.svg
@@ -0,0 +1 @@
+<svg viewBox="0 0 16 16" width="16px" height="16px"><path fill="#828282" d="M7.999,0.431c-4.285,0-7.76,3.474-7.76,7.761 c0,3.428,2.223,6.337,5.307,7.363c0.388,0.071,0.53-0.168,0.53-0.374c0-0.184-0.007-0.672-0.01-1.32 c-2.159,0.469-2.614-1.04-2.614-1.04c-0.353-0.896-0.862-1.135-0.862-1.135c-0.705-0.481,0.053-0.472,0.053-0.472 c0.779,0.055,1.189,0.8,1.189,0.8c0.692,1.186,1.816,0.843,2.258,0.645c0.071-0.502,0.271-0.843,0.493-1.037 C4.86,11.425,3.049,10.76,3.049,7.786c0-0.847,0.302-1.54,0.799-2.082C3.768,5.507,3.501,4.718,3.924,3.65 c0,0,0.652-0.209,2.134,0.796C6.677,4.273,7.34,4.187,8,4.184c0.659,0.003,1.323,0.089,1.943,0.261 c1.482-1.004,2.132-0.796,2.132-0.796c0.423,1.068,0.157,1.857,0.077,2.054c0.497,0.542,0.798,1.235,0.798,2.082 c0,2.981-1.814,3.637-3.543,3.829c0.279,0.24,0.527,0.713,0.527,1.437c0,1.037-0.01,1.874-0.01,2.129 c0,0.208,0.14,0.449,0.534,0.373c3.081-1.028,5.302-3.935,5.302-7.362C15.76,3.906,12.285,0.431,7.999,0.431z"/></svg>
diff --git a/_includes/icon-twitter.html b/_includes/icon-twitter.html
new file mode 100644
index 0000000..e623dbd
--- /dev/null
+++ b/_includes/icon-twitter.html
@@ -0,0 +1 @@
+<a href="https://twitter.com/{{ include.username }}"><span class="icon icon--twitter">{% include icon-twitter.svg %}</span><span class="username">{{ include.username }}</span></a>
diff --git a/_includes/icon-twitter.svg b/_includes/icon-twitter.svg
new file mode 100644
index 0000000..efc0ecf
--- /dev/null
+++ b/_includes/icon-twitter.svg
@@ -0,0 +1 @@
+<svg viewBox="0 0 16 16" width="16px" height="16px"><path fill="#828282" d="M15.969,3.058c-0.586,0.26-1.217,0.436-1.878,0.515c0.675-0.405,1.194-1.045,1.438-1.809c-0.632,0.375-1.332,0.647-2.076,0.793c-0.596-0.636-1.446-1.033-2.387-1.033c-1.806,0-3.27,1.464-3.27,3.27 c0,0.256,0.029,0.506,0.085,0.745C5.163,5.404,2.753,4.102,1.14,2.124C0.859,2.607,0.698,3.168,0.698,3.767 c0,1.134,0.577,2.135,1.455,2.722C1.616,6.472,1.112,6.325,0.671,6.08c0,0.014,0,0.027,0,0.041c0,1.584,1.127,2.906,2.623,3.206 C3.02,9.402,2.731,9.442,2.433,9.442c-0.211,0-0.416-0.021-0.615-0.059c0.416,1.299,1.624,2.245,3.055,2.271 c-1.119,0.877-2.529,1.4-4.061,1.4c-0.264,0-0.524-0.015-0.78-0.046c1.447,0.928,3.166,1.469,5.013,1.469 c6.015,0,9.304-4.983,9.304-9.304c0-0.142-0.003-0.283-0.009-0.423C14.976,4.29,15.531,3.714,15.969,3.058z"/></svg>
diff --git a/_includes/2021-06-14-ema.html b/_includes/posts/2021-06-14-ema.html
similarity index 100%
rename from _includes/2021-06-14-ema.html
rename to _includes/posts/2021-06-14-ema.html
diff --git a/_includes/social.html b/_includes/social.html
new file mode 100644
index 0000000..44046b8
--- /dev/null
+++ b/_includes/social.html
@@ -0,0 +1,14 @@
+<ul class="social-media-list">
+  {%- if site.dribbble_username -%}<li><a href="https://dribbble.com/{{ site.dribbble_username| cgi_escape | escape }}"><svg class="svg-icon"><use xlink:href="{{ '/assets/minima-social-icons.svg#dribbble' | relative_url }}"></use></svg> <span class="username">{{ site.dribbble_username| escape }}</span></a></li>{%- endif -%}
+  {%- if site.facebook_username -%}<li><a href="https://www.facebook.com/{{ site.facebook_username| cgi_escape | escape }}"><svg class="svg-icon"><use xlink:href="{{ '/assets/minima-social-icons.svg#facebook' | relative_url }}"></use></svg> <span class="username">{{ site.facebook_username| escape }}</span></a></li>{%- endif -%}
+  {%- if site.flickr_username -%}<li><a href="https://www.flickr.com/photos/{{ site.flickr_username| cgi_escape | escape }}"><svg class="svg-icon"><use xlink:href="{{ '/assets/minima-social-icons.svg#flickr' | relative_url }}"></use></svg> <span class="username">{{ site.flickr_username| escape }}</span></a></li>{%- endif -%}
+  {%- if site.github_username -%}<li><a href="https://github.com/{{ site.github_username| cgi_escape | escape }}"><svg class="svg-icon"><use xlink:href="{{ '/assets/minima-social-icons.svg#github' | relative_url }}"></use></svg> <span class="username">{{ site.github_username| escape }}</span></a></li>{%- endif -%}
+  {%- if site.instagram_username -%}<li><a href="https://instagram.com/{{ site.instagram_username| cgi_escape | escape }}"><svg class="svg-icon"><use xlink:href="{{ '/assets/minima-social-icons.svg#instagram' | relative_url }}"></use></svg> <span class="username">{{ site.instagram_username| escape }}</span></a></li>{%- endif -%}
+  {%- if site.linkedin_username -%}<li><a href="https://www.linkedin.com/in/{{ site.linkedin_username| cgi_escape | escape }}"><svg class="svg-icon"><use xlink:href="{{ '/assets/minima-social-icons.svg#linkedin' | relative_url }}"></use></svg> <span class="username">{{ site.linkedin_username| escape }}</span></a></li>{%- endif -%}
+  {%- if site.pinterest_username -%}<li><a href="https://www.pinterest.com/{{ site.pinterest_username| cgi_escape | escape }}"><svg class="svg-icon"><use xlink:href="{{ '/assets/minima-social-icons.svg#pinterest' | relative_url }}"></use></svg> <span class="username">{{ site.pinterest_username| escape }}</span></a></li>{%- endif -%}
+  {%- for mst in site.mastodon -%}{%- if mst.username and mst.instance -%}<li><a href="https://{{ mst.instance| cgi_escape | escape}}/@{{mst.username}}"><svg class="svg-icon"><use xlink:href="{{ '/assets/minima-social-icons.svg#mastodon' | relative_url }}"></use></svg> <span class="username">{{ mst.username|escape }}</span></a></li>{%- endif -%}{%- endfor -%}
+  {%- if site.twitter_username -%}<li><a href="https://www.twitter.com/{{ site.twitter_username| cgi_escape | escape }}"><svg class="svg-icon"><use xlink:href="{{ '/assets/minima-social-icons.svg#twitter' | relative_url }}"></use></svg> <span class="username">{{ site.twitter_username| escape }}</span></a></li>{%- endif -%}
+  {%- if site.youtube_username -%}<li><a href="https://youtube.com/{{ site.youtube_username| cgi_escape | escape }}"><svg class="svg-icon"><use xlink:href="{{ '/assets/minima-social-icons.svg#youtube' | relative_url }}"></use></svg> <span class="username">{{ site.youtube_username| escape }}</span></a></li>{%- endif -%}
+  {%- if site.googleplus_username -%}<li><a href="https://plus.google.com/{{ site.googleplus_username| escape }}"><svg class="svg-icon"><use xlink:href="{{ '/assets/minima-social-icons.svg#googleplus' | relative_url }}"></use></svg> <span class="username">{{ site.googleplus_username| escape }}</span></a></li>{%- endif -%}
+  {%- if site.rss -%}<li><a href="{{ 'feed.xml' | relative_url }}"><svg class="svg-icon"><use xlink:href="{{ '/assets/minima-social-icons.svg#rss' | relative_url }}"></use></svg> <span>{{ site.rss | escape }}</span></a></li>{%- endif -%}
+</ul>
diff --git a/_layouts/default.html b/_layouts/default.html
index 3162998..58e141b 100644
--- a/_layouts/default.html
+++ b/_layouts/default.html
@@ -17,4 +17,4 @@
 
   </body>
 
-</html>
\ No newline at end of file
+</html>
diff --git a/_layouts/home.html b/_layouts/home.html
index 1512816..8f8ac79 100644
--- a/_layouts/home.html
+++ b/_layouts/home.html
@@ -9,22 +9,12 @@ <h1 class="page-heading">{{ page.title }}</h1>
 
   {{ content }}
 
-
-  {% if site.paginate %}
-    {% assign posts = paginator.posts %}
-  {% else %}
-    {% assign posts = site.posts %}
-  {% endif %}
-
-
-  {%- if posts.size > 0 -%}
-    {%- if page.list_title -%}
-      <h2 class="post-list-heading">{{ page.list_title }}</h2>
-    {%- endif -%}
+  {%- if site.posts.size > 0 -%}
+    <h2 class="post-list-heading">{{ page.list_title | default: "Posts" }}</h2>
     <ul class="post-list">
-      {%- assign date_format = site.minima.date_format | default: "%b %-d, %Y" -%}
-      {%- for post in posts -%}
+      {%- for post in site.posts -%}
       <li>
+        {%- assign date_format = site.minima.date_format | default: "%b %-d, %Y" -%}
         <span class="post-meta">{{ post.date | date: date_format }}</span>
         <h3>
           <a class="post-link" href="{{ post.url | relative_url }}">
@@ -38,24 +28,7 @@ <h3>
       {%- endfor -%}
     </ul>
 
-    {% if site.paginate %}
-      <div class="pager">
-        <ul class="pagination">
-        {%- if paginator.previous_page %}
-          <li><a href="{{ paginator.previous_page_path | relative_url }}" class="previous-page">{{ paginator.previous_page }}</a></li>
-        {%- else %}
-          <li><div class="pager-edge">•</div></li>
-        {%- endif %}
-          <li><div class="current-page">{{ paginator.page }}</div></li>
-        {%- if paginator.next_page %}
-          <li><a href="{{ paginator.next_page_path | relative_url }}" class="next-page">{{ paginator.next_page }}</a></li>
-        {%- else %}
-          <li><div class="pager-edge">•</div></li>
-        {%- endif %}
-        </ul>
-      </div>
-    {%- endif %}
-
+    <p class="rss-subscribe">subscribe <a href="{{ "/feed.xml" | relative_url }}">via RSS</a></p>
   {%- endif -%}
 
-</div>
\ No newline at end of file
+</div>
diff --git a/_layouts/page.html b/_layouts/page.html
index 92e72e0..01e4b2a 100644
--- a/_layouts/page.html
+++ b/_layouts/page.html
@@ -11,4 +11,4 @@ <h1 class="post-title">{{ page.title | escape }}</h1>
     {{ content }}
   </div>
 
-</article>
\ No newline at end of file
+</article>
diff --git a/_layouts/post.html b/_layouts/post.html
index de476ea..336dae2 100644
--- a/_layouts/post.html
+++ b/_layouts/post.html
@@ -6,34 +6,21 @@
   <header class="post-header">
     <h1 class="post-title p-name" itemprop="name headline">{{ page.title | escape }}</h1>
     <p class="post-meta">
-      {%- assign date_format = site.minima.date_format | default: "%b %-d, %Y" -%}
       <time class="dt-published" datetime="{{ page.date | date_to_xmlschema }}" itemprop="datePublished">
+        {%- assign date_format = site.minima.date_format | default: "%b %-d, %Y" -%}
         {{ page.date | date: date_format }}
       </time>
-      {%- if page.modified_date -%}
-        ~ 
-        {%- assign mdate = page.modified_date | date_to_xmlschema -%}
-        <time class="dt-modified" datetime="{{ mdate }}" itemprop="dateModified">
-          {{ mdate | date: date_format }}
-        </time>
-      {%- endif -%}
       {%- if page.author -%}
-        • {% for author in page.author %}
-          <span itemprop="author" itemscope itemtype="http://schema.org/Person">
-            <span class="p-author h-card" itemprop="name">{{ author }}</span></span>
-            {%- if forloop.last == false %}, {% endif -%}
-        {% endfor %}
-      {%- endif -%}
-    </p>
-    {%- if page.tags.size > 0 -%}
-        <p class="post-meta">
+        <span itemprop="author" itemscope itemtype="http://schema.org/Person"><span class="p-author h-card" itemprop="name">{{ page.author }}</span></span>
+      {%- endif -%}</p>
+      
+      {%- if page.tags.size > 0 -%}
         {% for tag in page.tags %}
-            <span class="tag">
-                <a href="{{ site.baseurl }}/tag/{{ tag }}"> #{{ tag }}</a>
-            </span> 
+          <span class="tag">
+            <a href="{{ site.baseurl }}/tag/{{ tag }}"> #{{ tag }}</a>
+          </span> 
         {% endfor %}
-        </p>
-    {% endif %}
+      {% endif %}
   </header>
 
   <div class="post-content e-content" itemprop="articleBody">
@@ -45,4 +32,4 @@ <h1 class="post-title p-name" itemprop="name headline">{{ page.title | escape }}
   {%- endif -%}
 
   <a class="u-url" href="{{ page.url | relative_url }}" hidden></a>
-</article>
\ No newline at end of file
+</article>
diff --git a/_posts/2021-06-12-testo-post.md b/_posts/2021-06-12-testo-post.md
deleted file mode 100644
index 7c6d457..0000000
--- a/_posts/2021-06-12-testo-post.md
+++ /dev/null
@@ -1,22 +0,0 @@
----
-layout: post
-title: "POST TITLE of Test Post"
-date: 2021-06-12 12:51:30 +0800
-categories: test update
----
-
-# title1
-Title1 content
-## title2
-Title2 content
-### title3
-Title3 content
-#### title4
-Title4 content
-##### titile5
-Title5 content
-
-```python
-for i in range(10):
-    print("hi, there")
-```
\ No newline at end of file
diff --git a/_posts/2021-06-14-ema.md b/_posts/2021-06-14-ema.md
index b4a13cd..0a8c449 100644
--- a/_posts/2021-06-14-ema.md
+++ b/_posts/2021-06-14-ema.md
@@ -6,4 +6,4 @@ tags: statistics
 ---
 
 
-{% include 2021-06-14-ema.html %}
+{% include posts/2021-06-14-ema.html %}
diff --git a/assets/main.scss b/assets/main.scss
new file mode 100644
index 0000000..c60ebe4
--- /dev/null
+++ b/assets/main.scss
@@ -0,0 +1,5 @@
+---
+# Only the main Sass file needs front matter (the dashes are enough)
+---
+
+@import "minima";
diff --git a/assets/minima-social-icons.svg b/assets/minima-social-icons.svg
new file mode 100644
index 0000000..fa7399f
--- /dev/null
+++ b/assets/minima-social-icons.svg
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diff --git a/minima-2.5.1-src.tgz b/minima-2.5.1-src.tgz
new file mode 100644
index 0000000..8c4b1b1
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