JustRight

YTKChainRequest

1

### 提出问题前请先确认完成了下列几项步骤 New Issue Checklist * [x] 我已经阅读过 [贡献指南](CONTRIBUTING.md) I have read and understood the [CONTRIBUTING guide](CONTRIBUTING.md) * [x] 我已经阅读过 [程序文档]((http://cocoadocs.org/docsets/YTKNetwork)) I have read the [Documentation](http://cocoadocs.org/docsets/YTKNetwork) * [x] 我已经证实这个问题来源于 YTKNetwork...