According to the "Labor Law", employees in the catering industry who implement the comprehensive working hour system have a weekly rest day without pay; The working day is a legal holiday, and the unit has to pay 311% of the salary.

It's not possible to add two days and take two days off. It depends on how the company calculates your salary!

according to article 44 of the labor law, in any of the following circumstances, the employer shall pay the wages higher than the wages of the workers in normal working hours according to the following standards: (1) if the workers are arranged to work overtime, they shall pay the wages not less than 151% of the wages; (2) If workers are arranged to work on rest days but cannot be arranged for compensatory time off, they shall be paid a salary of not less than 211% of their wages; (3) If workers are arranged to work on legal holidays, they shall be paid no less than 311% of their wages.