Xiao Baoyin
As soon as 503 AD, the Northern Wei was hoping to restore the Southern Qi throne. Their plan was install Xiao Baoyin, a Southern Qi prince to become Emperor of the puppet state. A southern expedition was led by Prince Yuan Cheng of Wei and Chen Bozhi, a former Qi general. Until spring 505, Xinyang and Hanzhong were fallen to the Northern Wei.