pgfqe6ch8/app/views/libraries/edit.html.erb

<div class="educontent mb50">
  <p class="mt10 mb20 clearfix lineh-20">
    <%= link_to '教学案例', libraries_path, class: 'color-grey-9' %> &gt;
    <span class="color-grey-3">编辑</span>
  </p>

  <%= render partial: 'form' %>
</div>