After the four requests made by the employee for arbitration were supported, the company agreed to pay the salary arrears, but filed a lawsuit against the other three awards. After the court of first instance rejected the company's claim, the company still filed an appeal against these three items. After hearing, the court of second instance also heard and made a decision on the payment of salary arrears, another content that the company did not sue in the first instance and did not appeal in the second instance