 When Emperor Wen grew ill in 566, he recalled Wu to serve as the commanding general of the palace guards.Emperor Wen died later that year and was succeeded by his son, the Crown Prince Chen Bozong (as Emperor Fei).Initially during Emperor Fei's reign, the government was controlled by, pursuant to Emperor Wen's will, the high level officials Dao Zhongju (), Kong Huan (), Emperor Wen's brother Chen Xu, Yuan Shu (), and Liu Shizhi ().