已注册网站图标：
<link rel= "apple-touch-icon" size= "57x57" href= "/apple-icon-57x57.png" >
<link rel= "apple-touch-icon" size= "60x60" href= "/apple-icon-60x60.png" >
<link rel= "apple-touch-icon" size= "72x72" href= "/apple-icon-72x72.png" >
<link rel= "apple-touch-icon" size= "76x76" href= "/apple-icon-76x76.png" >
<link rel= "apple-touch-icon" size= "114x114" href= "/apple-icon-114x114.png" >
<link rel= " apple-touch-icon" size= "120x120" href= "/apple-icon-120x120.png" >
<link rel= "apple-touch-icon" size= "144x144" href= "/apple-icon-144x144.png" >
<link rel= "apple-touch-icon" size= "152x152" href= "/apple-icon-152x152.png" >
<link rel= "apple-touch-icon" size= "180x180" href= "/apple-icon-180x180.png" >
<link rel= "icon" type= "image/png" size= "192x192" href= "/android-icon-192x192.png" >
<link rel= "icon" type= "image/png" size= "96x96" href= "/favicon-96x96.png" >
<link rel= "manifest" href= "/manifest.json" >
<link rel = "icon" type = "image/png" sizes = "16x16" href = "/favicon-16x16.png">
<link rel = "icon" type = "image/png" sizes = "32x32" href = "/favicon-32x32.png">
<meta name= "msapplication-TileColor" content= "#ffffff" >
<meta name= "msapplication-TileImage" content= "/ms-icon-144x144.png" >
<meta name= "theme-color" content = "#ffffff" >
<link rel="mask-icon" href="/favicon.svg" color="orange">
但我收到错误“favicon.ico 缺少一些推荐尺寸的图标（16x16、32x32）”，专家，请告诉我问题是什么？
这是指文件根部的 favicon.ico 文件，而不是 png 图像。