快速和连接redis在商店选项上出错

app.engine('html', ejs.renderFile)
    .set("views", __dirname + '/views')
    .use("/public", express.static(__dirname + '/public'));

/*********************************************************************/
app.use(cookieParser());

app.use(session({
    store: new RedisStore({
        host: "127.0.0.1",
        port: "3636"
    }),
    secret: 'keyboard cat',
    resave: false,
    saveUninitialized: true
}));

app.use(function(req, res, next) {
    var userSession = req.session.userSession;

    if (!userSession) {
        userSession = req.session.userSession = '';
    }
    next();

});

/************************************************************************/
server.listen(8080);

app.get('/', function(req, res) {
    res.render('index2.html', {
        infoUser: req.session.userSession
    });
})

    .use(function(req, res, next) {
        res.redirect('/');
    });
app.engine('html', ejs.renderFile)
    .set("vi