Google home mini can't work as a media player

Configuration
1

My yaml has “discovery” on.
and it actually find google home mini.

I can see it at integration under configuration.
even google cast show google home mini.
I can control hass.io thing through it(I use google cloud).

But, google cast page

1
11349×801 35.9 KB

as you can see, it does not let me use it as media_player.

Why is this happening?
please give me any hint.

2

I realize it when I reopen the topic.
It happen because I use Korean on google home mini’s name.

If anyone have similar problem, I guess this can helpful to someone like me(who know nothing about programming lol)

Have a good day everyone!