Refund will start as soon as the courier arrives. Now the courier center sends me a message saying that I have rejected it. What do you mean?

It should be a refund to the buyer after the seller recalled the courier.

If the order shows that the seller has delivered the goods

If you have negotiated a partial/full refund with the seller, you can log on to my Taobao Baby page to find the order, click Refund/Return, and select the service type and the reason for the refund.