require模块时报require is not defined错误

app.on('ready', function () {
    win = new BrowserWindow({
        webPreferences: {
            nodeIntegration: true,
            contextIsolation: false //需要添加这个配置才能生效
        }
    });
    win.loadFile('index.html');
    win.on('closed', function() {
        win = null
    });
})