defaultSetting里面添加如下代码
iconfontUrl: '//at.alicdn.com/t/font_****************.js'
然后就能在router配置文件里面正常写入就行了
{
id: 2,
path: '/lectureData',
icon: 'icon-kejian',
name: 'lectureData',
component: './lectureData',
},