Is there any way to get a calligraphy diploma?

Calligraphy majors can take the undergraduate exam by themselves.

You can choose a more popular major,

For example, Peking University majored in human resource management, and China Renmin University majored in business administration.

University of international business and economics major in procurement and supply management and Central University of Finance and Economics major in project management,

Major in energy management of Beijing University of Civil Engineering and Architecture, major in financial management of Beijing Normal University,