Method 1: don't go on the day of the interview, and then you can make a new appointment without any influence;

Method 2: Log on to the registered embassy website and choose to modify or cancel the interview time.

Note: If you cancel voluntarily, you can't make an appointment again within 24 hours. You can't make an appointment until 24 hours later. You must cancel or modify the interview time 24 hours before the scheduled interview time.