 In 226, he granted greater powers to Bu Zhi and ordered him to move to a garrison at Oukou ().In 229, after Sun Quan declared himself emperor and established the state of Eastern Wu, he appointed Bu Zhi as General of Agile Cavalry () and the nominal Governor () of Ji Province.In the following year, he reassigned Bu Zhi to Xiling (西陵; present-day Xiling District, Yichang, Hubei) and replace Lu Xun as the military commander guarding the border between Eastern Wu and its ally state, Shu Han.