anchor.diff:      <%= yield(:head) %>
     </head>
     <body>
  -    <%= render 'shared/header' %>
  +    <% cache "v1/header/", expires_in: 10.minutes do %>
  +      <%= render 'shared/header' %>
  +    <% end %>
       <div class="info">
         <div class="container" style="max-width:calc(78%)">
           <h1>Edward的博客</h1>
  
positive.code:        })();
  
  </script>
      <%= render 'shared/footer' %>
    </body>
  </html>
  
negative.code:           <div class="col-lg-9">
              <%= yield %>
            </div>
            <div class="col-lg-3">
            <% cache "v1/aside/", expires_in: 10.minutes do %>
              <%= render 'shared/aside' %>
            <% end %>
            </div><!-- span3 -->
          <!-- </div>-->
        </div><!-- row -->
      </div>
  