<!DOCTYPE html>
<html>
<body>
<p>点击 W3School 的 logo 来下载该图片：<p>
<a href="/i/w3school_logo_white.gif" download="w3logo">
<img border="0" src="/i/w3school_logo_white.gif" alt="W3School">
</a>
</body>
</html>