Merge pull request didi#134 from didi/dev_2.2.0

merge dev 2.2.0

bump version to 2.1.0

删除无效的publish

Merge pull request didi#62 from didi/dev

统一依赖包版本

Merge pull request didi#58 from didi/dev

版本调整为1.1.0

shorten mysql's key length