 <ul>   <li>Check the file name for capitalization or other typing errors.</li>   <li>Check to see if the file was moved, renamed or deleted.</li> </ul> 
<ul>  <li>请检查文件名的大小写或者其他输入错误。</li>  <li>请检查文件是否已被移动，重命名或删除。</li>  </ul>