84864797

Why didn't I find the relevant code and files related to RS485 when I downloaded Marlin bugfix 2.1. x

> > Why didn't I find the relevant code and files related to RS485 when I downloaded Marlin bugfix 2.1. x > > Because this PR has not been merged...

If the uploaded file name contains Chinese characters, the Chinese part will be garbled Can the UI interface support Chinese characters