<% unless @mut_down_files %>
    <h1>Download Status:</h1>
    <%= @error.class %>
<% else %>
    <h1>下载文件包太大,分成<%= @mut_down_files.count %>个下载包</h1>
    <ul>
      <% @mut_down_files.each_with_index do |file,i| %>
          <li><%= link_to "第#{i+1}个文件包", zipdown_download_path(file: File.basename(file)) %></li>
      <% end %>
    </ul>
<% end %>