add key check
Merge pull request #59 from longbai/multi-up-host

单元测试检查返回文件名
miss return after null body
Merge pull request #60 from longbai/fix-multi-call

Jsonret 当body 为null 时没有返回
changelog [ci skip]
desc fixed [ci skip]
update version [ci skip]
add client id
Merge pull request #62 from longbai/fix-multi-call

add client id
Merge pull request #61 from qiniu/develop

Release 6.0.5