The repayment plan has no legal effect, but the repayment agreement has legal effect. The repayment plan is only a promise of one party, and the party issuing the repayment plan can change the plan. Therefore, the repayment plan is unilateral and can be changed at will without the other party's opinion. In other words, the repayment plan has no legal effect.

Banks are legally established financial institutions engaged in monetary and credit business, which are the products of the development of commodity monetary economy to a certain stage; The repayment agreement is a legal contract document, which belongs to the contract. The legal effect of the repayment agreement needs to have the elements stipulated by law.