2. After students change majors, all departments should play the role of tutors to guide students to make a good course selection plan; Students who change majors must complete the teaching plan of changing majors before they can graduate and get a bachelor's degree.

3. The course before changing majors is the same as the course (content and difficulty) specified in the teaching plan for changing majors, which can be recognized as compulsory credits. The department is responsible for the identification of professional credits, and other credits can be converted into elective credits according to regulations.