Keep rejected for about 20 times .I need help

Students
#1

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

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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.

#2

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#3

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.

#4

你可以通过人工联系后台，他们会让你通过独特窗口申请。

#5

哪里可以联系到后台人员呢