Just out of the national line, ready to adjust, call the college where the university is located and say that cross-majors cannot be adjusted. Should I believe it?

The relevant provisions of the swap can be found in China Graduate Admissions Network. Take a good look for yourself.

Only cross-professional examination and research, not cross-professional adjustment. The necessary condition for adjustment is that the final thinking code can only be adjusted if the final code is different. The last 2, 3 and 4 digits should be the same.

You continue to look for information about institutions whose majors need to be adjusted.