Merge pull request #9 from wooln/master

fix pm2 version to fixed version of three years ago.

Merge pull request #3 from hguandl/master

Listen Redis and MongoDB locally

Merge pull request #2 from kslr/patch-1

fix #1

compatible with empty author

set cache time

bilibili danmaku parser

fix redis del

compatible with v2

fix 404 return

add date field; v3 route

refactor

add version field in response