js文件引用 utils/first-paint-report.js发布线上后报错，本地开发完全没问题。全是2.10.0版本的。怀疑是不是该版本有问题呢？

公司自己的监控平台抓获报错如下：

这个first-paint-report的代码如下：

function wxPage (config) {
    if (!(config.networkId && config.paintId)) {
        return Page(config);
    }
    let modify_wx_page_init_paint_time_start = 0;
    wxPage.onLoadCalcTime = function (paintId, networkId, time) {
        if (wx.reportPerformance) {
            const pages = getCurrentPages();
            const current = pages[pages.length - 1];
            const path = current && current.route;
            wx.reportPerformance(paintId, time, `${path}[onLoad]`); // 加载/渲染类，生命周期内耗时
            wx.reportPerformance(networkId, time, `${path}[onLoad]`); // 网络类，生命周期内耗时
        }
    }
    wxPage.onReadyCalcTime = function (paintId, networkId, time) {
        if (wx.reportPerformance) {
            const pages = getCurrentPages();
            const current = pages[pages.length - 1];
            const path = current && current.route;
            wx.reportPerformance(paintId, time, `${path}[onReady]`); // 加载/渲染类，生命周期内耗时
            wx.reportPerformance(networkId, time, `${path}[onReady]`); // 网络类，生命周期内耗时
        }
    }
    function modifyOnLoad () {
        modify_wx_page_init_paint_time_start = new Date().getTime();
        if (config.onLoad) {
            config.onLoad.apply(this, arguments); // eslint-disable-line no-invalid-this
        }
    }
    function modifyOnReady () {
        if (wx.reportPerformance) {
            const modify_wx_page_init_paint_time_end = new Date().getTime();
            const modify_wx_page_init_paint_time = modify_wx_page_init_paint_time_end - modify_wx_page_init_paint_time_start;
            const pages = getCurrentPages();
            const current = pages[pages.length - 1];
            const path = current && current.route;
            wx.reportPerformance(config.paintId, modify_wx_page_init_paint_time, path); // 加载/渲染类，首次渲染时间
            wx.reportPerformance(config.networkId, modify_wx_page_init_paint_time, path); // 网络类，首次渲染时间
        }
        if (config.onReady) {
            config.onReady.apply(this, arguments); // eslint-disable-line no-invalid-this
        }
    }
    const modifyConf = {
        ...config,
        onLoad: modifyOnLoad,
        onReady: modifyOnReady
    }
    return Page(modifyConf)
}


module.exports = wxPage;