What's so funny about this?

I want to fully cooperate with you.”If you don't trust me, then I can also go my separate ways with you, and we each do our own thing. But Ruochu, without me, it will be difficult for you to defeat Li...nk to go in. He raised his hand and lightly knocked on the door, "Knock knock knock, knock knock knock" 。As Su Han was about to fall asleep in bed, he heard a knock on the door and frowned impatiently...