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