rnet.Proxy.all about custom_httt_headers?

[yantaomai]

custom_httt_headers -> custom_http_headers ?

[0x676e67]

This is the request header sent to the http proxy, do you have any problem?

[0x676e67]

I may have forgotten to write a description of this parameter. Maybe you can PR to update the document to explain this parameter.

[yantaomai]

This is the request header sent to the http proxy, do you have any problem?

I just think httt is strange. Is it a mistake?