Write the life of Su Dongpo, from Meizhou to Bianjing, to Fengxiang, to Hangzhou, Mizhou, Xuzhou, demoted to Huangzhou, rise to Dengzhou, live in temples, know Yingzhou, Yangzhou, Dingzhou, demoted to Huizhou, Danzhou, write the ups and downs of Su Dongpo's life.
Purpose: Describe Su Dongpo's life and combine his poetry with his experiences