If the item is fully refunded, all the gold coins will be returned to the buyer;
If multiple items are returned in full, the gold coins will be returned to the buyer according to the proportion of the returned items to the total price of all items;
One or more pieces are partially refunded, and the gold rush cannot be refunded;
Remarks: If some gold coins deducted from the goods purchased by consumers belong to the seller's help, when a refund occurs, the part helped by the seller will not be returned to the consumers.