Quit the fast job and pay off the salary in two months? No, it's illegal. According to the provisions of relevant laws, when the labor contract is dissolved or terminated by both parties to the labor relationship according to law, the employer shall pay off the wages of the worker at one time when the labor contract is dissolved or terminated. This situation can be coordinated with the company. If the coordination fails, you can complain to the local labor department and apply for labor arbitration. If you have any objection to the labor arbitration, you can file a civil lawsuit to the court. In the event of a labor dispute, if the parties are unwilling to negotiate, fail to negotiate, or fail to perform after reaching a settlement agreement, they may apply to the mediation organization for mediation; If they are unwilling to mediate, fail to mediate, or fail to perform after reaching a mediation agreement, they may apply to the labor dispute arbitration committee for arbitration; If they are not satisfied with the arbitral award, they may bring a lawsuit to the people's court, unless otherwise provided for in this Law.
 Legal basis
 Article 9 of the Interim Provisions on Wage Payment: When the labor contract is dissolved or terminated by both parties to the labor relationship according to law, the employer shall pay the worker's wages in full when the labor contract is dissolved or terminated.