错误部署我的节点JS应用程序到Heroku

我的代码在本地运行良好，但是当我在heroku上运行时，发现错误：

at = error code = H10 desc =“App crashed”method = GET path =“/”host = mystrelle.herokuapp.com request_id = 5874d970-4178-4f51-ad38-62d510d8a047 fwd =“197.211.56.97”dyno = connect = service =状态= 503字节=协议= https

var skype = require('botbuilder'); var express = require('express'); var app = express(); var botService = new skype.ChatConnector({ appId: 'da026eab-b762-4ff6-9f01-191d70e37437', appPassword: 'xxxxxxxxxxxxxxxxxxxx' //// i hid the pass }); var bot = new skype.UniversalBot(botService); bot.dialog('/', function (session) { // body... if(session.message.text.toLowerCase().indexOf('hi')>=0){ session.send('Hi ' + session.message.user.name + ' thank you for your message: '+session.message.text); }else{ session.send('Sorry I dont understand you.........'); } }); app.get('/', function (req, res) { // body... res.send('skypeBot listening......'); }); app.listen(process.env.PORT || 3000, function () { // body... console.log('skypeBot listening......'); });