diff --git a/_config.yml.example b/_config.yml.example
index ce7955a..f2ca1be 100644
--- a/_config.yml.example
+++ b/_config.yml.example
@@ -22,7 +22,7 @@ customize:
         location: Harbin, China
         follow: https://github.com/ppoffice/
     highlight: monokai
-    sidebar: right # sidebar position, options: left, right
+    sidebar: right # sidebar position, options: left, right or leave it empty
     thumbnail: true # enable posts thumbnail, options: true, false
     favicon: # path to favicon
     social_links:
diff --git a/layout/comment/index.ejs b/layout/comment/index.ejs
index 2417800..f69a0fa 100644
--- a/layout/comment/index.ejs
+++ b/layout/comment/index.ejs
@@ -1,19 +1,17 @@
 <% if (post.comments) { %>
-    <section id="comments">
     <% if (theme.comment.disqus) { %>
-        <%- partial('comment/disqus') %>
+        <section id="comments"><%- partial('comment/disqus') %></section>
     <% } else if (theme.comment.duoshuo) { %>
-        <%- partial('comment/duoshuo') %>
+        <section id="comments"><%- partial('comment/duoshuo') %></section>
     <% } else if (theme.comment.youyan) { %>
-        <%- partial('comment/youyan') %>
+        <section id="comments"><%- partial('comment/youyan') %></section>
     <% } else if (theme.comment.facebook) { %>
-      <%- partial('comment/facebook') %>
+        <section id="comments"><%- partial('comment/facebook') %></section>
     <% } else if (theme.comment.isso) { %>
-        <%- partial('comment/isso') %>
+        <section id="comments"><%- partial('comment/isso') %></section>
     <% } else if (theme.comment.changyan && theme.comment.changyan.appid && theme.comment.changyan.conf) { %>
-        <%- partial('comment/changyan') %>
+        <section id="comments"><%- partial('comment/changyan') %></section>
 	<% } else if (theme.comment.gitment) { %>
-        <%- partial('comment/gitment') %>
+        <section id="comments"><%- partial('comment/gitment') %></section>
     <% } %>
-    </section>
 <% } %>
\ No newline at end of file
diff --git a/layout/common/sidebar.ejs b/layout/common/sidebar.ejs
index ba38c79..462873f 100644
--- a/layout/common/sidebar.ejs
+++ b/layout/common/sidebar.ejs
@@ -1,6 +1,8 @@
+<% if (Array.isArray(theme.widgets) && theme.widgets.length > 0) { %>
 <aside id="sidebar">
    <% theme.widgets.forEach(function(widget) { %>
         <%- partial('widget/' + widget) %>
     <% }) %>
     <div id="toTop" class="fa fa-angle-up"></div>
-</aside>
\ No newline at end of file
+</aside>
+<% } %>
\ No newline at end of file