2. Bank card to account balance. Before payment, the user initiates a transfer to the authentication risk control to limit the check to a payment request, so as to initiate a transfer to obtain the transfer result and forward it to the accounting department.
3. Transfer the account balance to the account balance. Before payment, the user initiates a transfer to the authentication risk control to limit the check to a payment request, so as to initiate a transfer to obtain the transfer result and forward it to the accounting department.
4. Transfer the account balance to the bank card. Users initiate transfer to authentication, risk control restricts pre-payment inspection, payment requests to bank cards for quick payment, payment results to polling payment, payment results to business results to bookkeeping.