视频上云/网络穿透/网络映射服务EasyNTS前端切换页面卡顿如何优化？

  beforeDestroy() {
    if (this.timerAll) {
      clearInterval(this.timerAll);
      this.timerAll = 0;
    }
    if (this.timerTop) {
      clearInterval(this.timerTop);
      this.timerTop = 0;
    }
  },

router.beforeEach(async (to, from, next) => {
    let userInfo = null
    if (store.state.userInfo === null) {
        userInfo = await store.dispatch("getUserInfo");
    } else {
        userInfo = store.state.userInfo
    }
    //如果用户没登录
    if (!userInfo) {
        if (to.matched.some((record => {
            return record.meta.needLogin || record.meta.role;
        }))) {
            if (to.fullPath == '/') {
                window.kk = `/login.html`;
            } else {
                window.kk = `/login.html?r=${encodeURIComponent(window.kk)}`;
            }
            return;
        }
    } else {
        //获取登录用户角色
        var roles = userInfo.roles || [];
        //获取所有的菜单
        var menus = store.state.menus.reduce((pval, cval) => {
            pval[cval.path] = cval;
            return pval;
        }, {})
        var _roles = [];
        //查找访问路径的菜单
        var menu = menus[to.path];
        if (menu) {
            _roles.push(...(menu.roles || []));
        }
        //判断是否有当前路径权限
        if (_roles.length > 0 && !_roles.some(val => {
            return roles.indexOf(val) >= 0;
        })) {
            return;
        }
        //根据版本屏蔽权限
        let dssInfo = null
        if (store.state.serverInfo === null) {
            dssInfo = await store.dispatch("getDssInfo");
        } else {
            dssInfo = store.state.serverInfo
        }
        if (dssInfo && parseInt(dssInfo.ProductType) == 1 && to.path.match(/\/vod/)) {
            //如果是直播版本，屏蔽点播相关功能，强制跳转首页
            window.kk = `/`;
            return;
        }
    }
    next();
})