解决NavigationDuplicated: Avoided redundant navigation to current location
1.在router文件中的index添加代码
....
Vue.use(VueRouter)
//在这个位置添加如下代码
const originalPush = VueRouter.prototype.push
VueRouter.prototype.push = function push(location) {
return originalPush.call(this, location).catch(err => err)
}