Is it valid for Sichuan Lin Hang to repay the debt due to the transfer of 360 IOUs?

It's useless According to the provisions of Article 546 of the Civil Law, if the creditor transfers the creditor's rights without notifying the creditor, the transfer is not effective for the debtor, and the repayment of the 360-note transfer of the creditor's rights is transferred without my knowledge, which violates the provisions of the Civil Law, so the repayment is invalid.