问NodeJs + ExpressJS:路由器级中间件无法接受请求

EN

     var https = require("https");
        var express = require('express');
        var app = express();
        var bodyParser = require('body-parser');
        var cookieParser = require('cookie-parser');
        var path         = require('path');

        var routes = require('./server');  //require server directory

        app.use(bodyParser.json());
        app.use(bodyParser.urlencoded({ extended: false }));
        app.use(cookieParser());
        app.set('views', path.join(__dirname, 'views'));
        app.use(express.static(path.join(__dirname, 'public')));
        app.get('/', function(req, res, next) {
            res.sendFile(path.join(__dirname, 'views', 'index.html'));
        });
        app.listen(3000);
        module.exports = app;

    var https = require("https");
var express = require('express');
var app = express();
var bodyParser = require('body-parser');
var gh = require('parse-github-url'); // use to break the url user provides into various parts
var moment = require('moment'); // for Parse, validate, manipulate, and display dates in JavaScript.
var router = express.Router();
var Promise = require('bluebird');
var _ = require('underscore-node');

router.post('/click', function(req, res){
    console.log("ewewew");
 });


module.exports = router;

 // If I keep it here it in app.js its working fine.
       app.post('/click',function(){
            console.log("dwfe");
        })