修复退出／token失效后，返回登录页面未清空整站临时存储数据bug

src/utils/httpRequest.js

http.interceptors.response.use(response => {
  if (response.data && response.data.code === 401) { // 401, token失效
    Vue.cookie.delete('token')
    router.push({ name: 'login' })
    router.push({ name: 'login' }, () => {
      location.reload() // 刷新页面, 清空整站临时存储数据
    })
  }
  return response
}, error => {

src/views/main-navbar.vue

            data: this.$http.adornData()
          }).then(({data}) => {
            if (data && data.code === 0) {
              this.mainTabs = []
              this.$cookie.delete('token')
              this.$router.replace({ name: 'login' })
              this.$router.push({ name: 'login' }, () => {
                location.reload() // 刷新页面, 清空整站临时存储数据
              })
            }
          })
        }).catch(() => {})