老三的古代

data方式会有异常，可完善 

Upload 组件，控制上传的并发数，即批量上传文件时同时上传的文件数量 Upload component, which controls the concurrent number of uploads, that is, the number of files uploaded at the same time when a batch of files is uploaded

6

- [x] I have searched the [issues](https://github.com/ant-design/ant-design/issues) of this repository and believe that this is not a duplicate. ### What problem does this feature solve? 目前使用customRequest解决了分片上传和进度控制，但是发现批量上传时选择n个文件，customRequest就激活n个文件上传，希望能控制同时上传文件的个数从而保证上传质量，或者能够通过某个api实现这个功能，maxCount能够控制上传数量不能满足要求，或者能够控制同时只上传一个文件也可以。 Currently using customRequest solves...

 这个地方会把上一次请求的配置合并到全局配置上去，导致不能根据需求配置。

按照步骤操作，运行正常就是图标丢了。