Just like Baidu, only Baidu knows that Korean is supported. Sticking Korean in the post bar will become a mess of numbers and symbols. But if you copy these strings and send them again, Korean will be displayed.
Such as input &;;
#
four
nine
three
2
four
& amp
#
four
six
nine
nine
three
& amp
#
five
four
six
four
4 (delete spaces)
exactly
Of course it's troublesome, and I've only tried it in the post bar. It may not be useful in QQ space. Anyway, that's all I know ~ ~ I hope it helps you!