Failed to load resource: the server responded with a status of 404 (Not Found)
报错情况：图标加载失败
原因分析：路径错误
解决方案： 添加 favicon icon
<link rel="shortcut icon" type="image/ico" href="/favicon.ico" />
.
Failed to load resource: the server responded with a status of 404 (Not Found)
原文：https://www.cnblogs.com/crazycode2/p/9006360.html