From my father and uncle Yu, they all became famous at the moment. Teenagers are quiet, carefree and intangible, knowledgeable and versatile, and can write calligraphy, especially cursive. He tried his best to flatter Yang Di, and successively served as Doctor Guanglu and Assistant Minister of Literature and History, leading a luxurious life. During his tenure as assistant minister of civil history, he participated in the election of officials with Niu Hong, Su Wei and Yuwen Shu. At that time, people called it "choosing Cao Qigui". Among these seven people, Yu Shiqi acted arbitrarily and took bribes. In the 14th year of Great Cause (6 18), Yu Wenhuaji killed Yang-ti and Yu Shiqi, and Yu Shinan wanted to die for his brother.
Chen Shi, king of Ren Jianan, once served as a military attache in Cao Can, and successively served as a doctor in the ancestral temple, a doctor in Cao, a prince, and a historical Zuo Cheng. When Chen disappeared in the Sui Dynasty, he was poor and had no property, and every servant supported his relatives. When Yang-ti was appointed assistant minister of civil history, he was in charge of secrets and state affairs. And Dr. Jin Guanglu. In the chaos at the end of the Sui Dynasty, Shiki only promised to take it, not to listen to the facts. He also indulged his wife and children in prostitution and sold the prison to officials, so he was ridiculed at that time. Later, the thief Yu Wenhuaji was killed in Jiangdu. Volume 83 of Northern History and Volume 67 of Sui Shu all say that they are "well-read and versatile, and they are good at being Cao Li".