If you go during the May Day holiday, have you purchased the tickets here in advance? Will you need to make up the difference when you arrive, and how much is the maximum amount you can make up?

Weekend surcharges are approximately 200 yuan.
Necessarily not need to make up, but you have to consider the sea of people during the May Day holiday.
Weekend supplements are approximately 200 yuan.
Necessarily not for supplement, but you need to consider the sea of people during the May Day holiday.