Hello,
has anyone encounter this issue that the terminat getting stuck in winbox?

Try to clean this host session file of winbox
hello,
no luck
any other ideas?
What are the “censored” texts on the image?
Are you running a function/script or have you customized the “welcome note”?
hello,
just customized the welcome screen, there are some networks enumerated.
resolved, the welcome note was the problem.
Exactly as I deduced.