I have completed all the course credits within the specified time, published more than two papers in domestic core journals or important international journals, and have always been honest and trustworthy during my school days, with no record of academic misconduct. As of June 7, 2023, according to the website information of Dalian University of Technology, the doctoral degree of vehicle engineering in the Department of Vehicle Engineering Mechanics of Dalian University of Technology requires that all courses be completed within the specified time, and more than two papers be published in domestic core journals or important international journals, and I have always been honest and trustworthy, and have no academic misconduct record. Dalian University of Technology, referred to as "Dagong" for short, located in Dalian, Liaoning Province, is a national key university directly under the Ministry of Education and the people of China.