问题
I'm trying to deploy my node js app on Heroku but I keep on gettin an application Error when I open the page :
So I decided to go into logs to see what was happening :
It says something about module.js 471 ,I don't exactly know where I'm going wrong ,can you please tell if you know .
来源：https://stackoverflow.com/questions/43758907/application-error-when-i-deploy-to-heroku