<head>
<title>Index</title>
<!--浏览器标题栏加入图标-->
<link rel="Shortcut Icon" href="images/index.ico" type="image/x-icon" />
</head>
?标题栏：?
<link rel="icon" href="ico地址" type="image/x-icon">?
收藏夹：?
<link rel="shortcut icon" href="ico地址" type="image/x-icon">