1. module version mismatch html
http://stackoverflow.com/questions/15584529/module-version-mismatch-expected-11-got-1node
2. connect-mongo git
Error: Connection strategy not found
https://cnodejs.org/topic/567a1120222744630726b244github
3. warning connect.session() memorystore is not designed for a production environmentsession
http://andyj.github.io/projects/node-session-management.htmlcode
4. 升級nodejs:htm
https://davidwalsh.name/upgrade-nodejsget
升級到4.4.4版本it