So sorry for misunderstanding you.
I wanna help.
Here is the way, https://github.com/tuna/issues/issues/new
如果你希望 TUNA 对某个开源项目设立镜像，请按以下模板填写
If you request TUNA to setup a mirror site for an open-source project, please submit you issue using the following template.
When submiting, please remove the lines between
-->. If this is not a mirror request, there is NO need to follow this template.
上游地址与镜像方法(How to Mirror)
Could you finish this?
You can submit the issue to request a mirror.
If anything I can help, I'll be here.