<div class="fileList">
<ul>
<li><span><input type="checkbox" value="1">我的文件夹</span><span>-</span><span>2018-08-05 18:53</span></li>
<div class="fileList">
<ul>
<li><span><input type="checkbox" value="1">我的文件夹</span><span>-</span><span>2018-08-05 18:53</span></li>