Not appropriate. Failure to report is equivalent to giving up the post-doctoral degree of Peking University Boya, which is easy to be misunderstood, unable to re-select students for tutors in time, and will also affect the management of files. It is inappropriate not to apply. Peking University, referred to as "Peking University", is located at No.05, Summer Palace Road, Haidian District, Beijing. It is a national key university directly under the Ministry of Education of People's Republic of China (PRC), and ranks among the national "double-class" A, "985 Project" and "21/project".