Wear a mask, consciously abide by the relevant regulations of the station, wait for the train to arrive in the waiting area after purchasing the ticket, and get on the bus after the ticket inspector checks the ticket.
Don't carry dangerous goods on the train, wait in line consciously, don't smoke on the train, don't sit in other people's seats, don't make noise, consciously cooperate with the flight attendants to check the train tickets, and try not to walk back and forth in the corridor.