This means that the receipt of this order has not been confirmed, and the transaction has not yet arrived. It just occupies the quota and does not need to be repaid.

If your transaction has a refund, you don't have to worry about where the quota goes. Either the amount is refunded or the bill repayment amount is automatically deducted, and the user has no loss.

Credit line refers to a certain amount of credit line granted by a bank to its basic customers, that is, an enterprise can recycle so much money within a specified time. Real-time recovery of credit line refers to how much credit card has been spent and owed, and how much money will be returned, and how much credit line will be recovered immediately after receiving the account.