Part-time jobs now have a training period. According to the relevant information, a contract was signed at the time of entry, and the part-time staff received 15 days of on-the-job training. Wages were paid normally and no training fees were charged. After half a year, they can leave and renew. If you don't leave your job for half a year, you need to pay liquidated damages and training personnel fees, totaling 70% of the salary during the training period.