anchor.diff:  <!DOCTYPE html>
   <html lang="zh-CN">
     <head>
  -    <meta charset="utf-8">
  -    <meta http-equiv="X-UA-Compatible" content="IE=edge">
  -    <meta name="viewport" content="width=device-width, initial-scale=1">
  -    <meta name="keywords"
  -          content="<%= @page_keywords_list %>法律 法务 问答 社区" />
  -    <meta name="description"
  -          content="<%= @page_description %>法律 法务 问答 社区" />
  +    <meta charset="utf-8" />
  +    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
  +    <meta name="viewport" content="width=device-width, initial-scale=1" />
  +    <meta name="keywords" content="<%= @page_keywords_list %>,法律,法务,问答,社区" />
  +    <meta name="description" content="<%= @page_description %> 法律 法务 问答 社区" />
       <title>
  -      <% if @title %><%= @title %> | 韩非子说<% else %>韩非子说"<% end %>
  +      <% if @_title %><%= @_title %> | 韩非子说<% else %>韩非子说<% end %>
       </title>
  -    <link rel="icon" href="/favicon.ico">
  -    <link rel="shortcut icon" href="/favicon.ico"/>
  -    <link rel="bookmark" href="/favicon.ico"/>
  -    <link href="/css/bootstrap-with-theme.min.css" rel="stylesheet">
  -    <link href="/css/my.css" rel="stylesheet">
  +    <link rel="icon" href="/favicon.ico" />
  +    <link rel="shortcut icon" href="/favicon.ico" />
  +    <link rel="bookmark" href="/favicon.ico" />
  +    <link rel="stylesheet" href="/css/bootstrap-with-theme.min.css" />
  +    <link rel="stylesheet" href="/css/my.css" />
       <%= yield_content :extra_css_tags %>
       <!--[if lt IE 9]>
         <script src="/js/html5shiv.min.js"></script>
  
positive.code:   <body>
      <div class="wrapper"><!-- wrapper to make footer sticky to bottom -->
  
        <!-- navbar -->
        <nav class="navbar navbar-default">
          <div class="container-fluid">
            <div class="navbar-header">
              <button type="button" class="navbar-toggle collapsed"
                      data-toggle="collapse"
                      data-target="#navbar-collapse-1"
                      aria-expanded="false">
  
negative.code:               <input type="button" value="登录" class="btn btn-primary"
                        onclick="javascript:login();" />
                &nbsp;没有帐户？<a href="/user/register">注册</a>
              </div>
            </div>
          </div>
        </div> <!-- /.modal -->
  
        <!-- breadcumb -->
  