Deduct money. According to the website of Bi Li Bi Li, the crab account trading platform has set strict and standardized conditions for order refund. When the buyer and the seller enter the transaction process, but the transaction has not been completed, both buyers and sellers can request to cancel the order, and will not accept any reason to cancel after the transaction is confirmed. If the transaction is cancelled due to personal reasons, a penalty of 5% of the order amount shall be paid, which shall be collected equally by the observant and the platform. The buyer's purchase number transaction has been completed, and even if it has not been changed, a% refund is required.