diff --git a/_config.yml b/_config.yml
index 4856f24..f1efb4f 100644
--- a/_config.yml
+++ b/_config.yml
@@ -2,6 +2,7 @@ menu:
   Home: /
   Archives: /archives
   About: /about
+
 rss: /atom.xml
 
 favicon: images/favicon.png
@@ -13,12 +14,11 @@ page:
   right_side_width: 72
   media_max_width: 960
 
-
 # Social Links.
 # Usage: `Key: permalink || icon`
 # Key is the link label showing to end users.
 # Value before `||` delimeter is the target permalink.
-# Value after `||` delimeter is the name of FontAwesome icon. If icon (with or without delimeter) is not specified, globe icon will be loaded.
+# Value after `||` delimeter is the name of FontAwesome icon.
 social:
   GitHub: https://github.com/XPoet || github
   E-Mail: mailto:i@xpoet.cn || envelope
@@ -28,9 +28,7 @@ social:
   #FB Page: https://www.facebook.com/yourname || facebook
   #VK Group: https://vk.com/yourname || vk
   #StackOverflow: https://stackoverflow.com/yourname || stack-overflow
-  #YouTube: https://youtube.com/yourname || youtube
   #Instagram: https://instagram.com/yourname || instagram
-  #Skype: skype:yourname?call|chat || skype
 
 
 # Code Highlight theme
@@ -46,7 +44,7 @@ valine:
   enable: true
   appid:  ih2nzG3ilVNdLgJK4kBXTjOq-gzGzoHsz # your leancloud application appid
   appkey: gdf6tXXLBTLg9qpjS2y6Tbw7 # your leancloud application appkey
-  notify: false # mail notifier , https://github.com/xCss/Valine/wiki
+  notify: false # mail notifier, https://github.com/xCss/Valine/wiki
   verify: false # Verification code
   placeholder: 评论一下再走吧~
 
@@ -67,4 +65,8 @@ busuanzi_count:
   # custom pv span for one page only
   page_pv: false
   page_pv_header:
-  page_pv_footer:
\ No newline at end of file
+  page_pv_footer:
+
+
+# Theme version
+version: 0.0.1
\ No newline at end of file
diff --git a/layout/common/site-info.ejs b/layout/common/site-info.ejs
index 7c99daf..ff0ae4c 100644
--- a/layout/common/site-info.ejs
+++ b/layout/common/site-info.ejs
@@ -1,16 +1,19 @@
 <div class="site-info">
-    <div class="avatar-container">
+
+    <div class="avatar-warp info-item">
         <%- image_tag(theme.avatar, {class: 'avatar'}) %>
     </div>
-    <div class="title">
+
+    <div class="title info-item">
         <a href="/"><%= config.title %></a>
     </div>
-    <div class="description">
+
+    <div class="description info-item">
         <%= config.description %>
     </div>
 
     <!-- 社交链接 -->
-    <div class="links-of-author-container">
+    <div class="links-of-author-warp info-item">
         <ul class="links-of-author-list">
             <% for (let link in theme.social) { %>
                 <% const linkItem = theme.social[link].split(' || ') %>
@@ -24,10 +27,4 @@
         </ul>
     </div>
 
-    <!-- 知识共享标识 -->
-    <div class="cc-license-container">
-        <a class="cc-opacity" href="https://creativecommons.org/licenses/by-nc-sa/4.0/" target="_blank">
-            <img src="/images/cc-by-nc-sa.svg">
-        </a>
-    </div>
 </div>
\ No newline at end of file
diff --git a/scripts/helper.js b/scripts/helper.js
index b3c2dbc..803cb6d 100644
--- a/scripts/helper.js
+++ b/scripts/helper.js
@@ -4,10 +4,6 @@
  * https://hexo.io/zh-cn/api/helper.html
  * eg 用法：<%= helper_test('xxx') %>
  */
-hexo.extend.helper.register('helper_test', function (character) {
-    return character + '😁';
-});
-
 hexo.extend.helper.register('isInHomePaging', function (pagePath, route) {
     if (pagePath.length > 5 && route === '/' ) {
         return pagePath.slice(0, 5) === 'page/';
diff --git a/source/css/layout/common/site-info.styl b/source/css/layout/common/site-info.styl
index 6e73dd5..ab2d736 100644
--- a/source/css/layout/common/site-info.styl
+++ b/source/css/layout/common/site-info.styl
@@ -5,9 +5,12 @@ $description-font-size = 16px
 
 .site-info {
   padding 20px
-
   text-align: center;
 
+  .info-item {
+    margin: 5px 0;
+  }
+
   .avatar {
     padding: 2px;
     border-radius: 5%;
@@ -15,8 +18,8 @@ $description-font-size = 16px
     width: 120px;
   }
 
+
   .title {
-    margin: 5px 0;
     text-transform: uppercase;
 
     a {
@@ -26,13 +29,14 @@ $description-font-size = 16px
     }
   }
 
+
   .description {
-    padding 5px
+    padding: 5px;
     font-size: $description-font-size;
   }
 
-  .links-of-author-container {
-    margin-top: 10px;
+
+  .links-of-author-warp {
 
     ul.links-of-author-list {
       position: absolute;
@@ -49,7 +53,6 @@ $description-font-size = 16px
 
 
   .cc-license-container {
-    margin-top: 40px;
 
     .cc-opacity {
       position: absolute;
@@ -59,7 +62,6 @@ $description-font-size = 16px
 
       &:hover {
         opacity: 1;
-
       }
     }
   }