The first method: If the confirmation time or registration time has not yet arrived, you can log on to the website where you fill in your volunteers and make changes. If it is revised within the period of art declaration, it can be revised successfully;

The second way: if you find that you have reported the wrong major, you can enter the enrollment background to make changes, but most people don't have this relationship, so be careful when applying for the exam;

The third method: if the confirmation time or registration time has arrived, you can contact the relevant person in charge by phone or email to solve the problem; Or bring the original school certificate or my ID card to the corresponding university admissions office to apply for a major change.