Merge pull request #27 from mingzaily/v2

Supports millisecond timestamp and user-defined blacklist keys

feat: update v2 and support ctx

Update README.md

Merge pull request #21 from arieslee/master

update goframe version to v2

Improve GF version, fix blacklist errors, modify examples.

add some comment, and modify example code

Merge pull request #14 from mingzaily/master

修改example代码，新增退出功能

Update go.mod

up

go.mod updates