How to chat when playing QQ dazzle dance?

Enter it directly in the lower left corner of the room.

When you jump, press Enter and there will be a cursor in the lower left corner, and then type and chat. But if you press enter, you don't play or play, and then you dance and press the space bar, it's not good, that is, you miss.

When dancing, reply is a private chat /r reply is a dance group/o.