What should I do if the buyer doesn't confirm the receipt when the trading cat is sold out? Time has passed.

Don't sell. It was sold on the first day. 1' s customer service store sent me a text message saying that the cooperation was completed. When I saw it the next morning, the transaction failed because I didn't cooperate. I sold it the next day. I sold it this time. Then I waited until morning 1. Without news, I fell asleep. A message was sent at 4 am. Customer service deliberately retreated to the early hours of the evening before delivery. Even if you cooperate and the buyer sleeps, the transaction still fails.