Keep rejected for about 20 times .I need help

I have tried all these documents as following.But unfortunately all applications were rejected immediately.
Just like this

But my documents all have current enrollment date.
I try at least for 10 times.All of my documents(my official transcript,my certificate,my id card ) are not sufficient and my application was rejected at once.
(I have every document they need.)
What should I do next?!
I have contact the github support,But it will close my ticket immediately when I submit my questions.
Guys,I really need help.

I was in same situation.

It looks like that the github will reject all china mainland university except only a few famous ones.

Maybe you can try to send your proof directly to the support email.