vue-router重写push、replace方法，解决相同路径跳转报错

问题描述：当页面再次进入同一个路由地址时，控制台报Uncaught (in promise) Error的错误

// 解决Vue-Router升级导致的Uncaught(in promise) navigation guard问题
const originalPush = VueRouter.prototype.push
VueRouter.prototype.push = function push (location, onResolve, onReject) {
  if (onResolve || onReject) return originalPush.call(this, location, onResolve, onReject)
  return originalPush.call(this, location).catch(err => err)
}

// 解决Vue-Router升级导致的Uncaught(in promise) navigation guard问题
const originalReplace = VueRouter.prototype.replace
VueRouter.prototype.replace = function replace (location, onResolve, onReject) {
  if (onResolve || onReject) return originalReplace.call(this, location, onResolve, onReject)
  return originalPush.call(this, location).catch(err => err)
}