step 1, find out the reason for the difference between accounts receivable and paid-in amount; step 2, hedge if it is a cross account; If the accounts receivable are over-recorded or under-recorded, it will be supplemented or corrected in red; If there are accounts receivable that have not been invoiced and recorded, it will be difficult for the paid-in amount to be greater than the accounts receivable. Need to think about whether the internal account and the external account are confused.