If it is paid off at one time, you can pay off the money with a notarial certificate and go through the formalities of bank repayment.
If you don't have a real estate license to continue the loan, you need to go through the loan formalities again according to the requirements of the bank;
Legal basis: Article 123 of the Civil Law of People's Republic of China (PRC), after the beginning of inheritance, it shall be handled according to legal inheritance; If there is a will, it shall be inherited or bequeathed according to the will; If there is a legacy support agreement, it shall be handled in accordance with the agreement.