 In 571, Mu Tipo and Empress Dowager Hu's lover He Shikai, believing that Gao Wei's younger brother Gao Yan the Prince of Langye was displeased at them for their corruption, tried to reduce Gao Yan's power by having him move out of the palace.In response, Gao Yan killed He Shikai and gathered his troops, intending to kill Mu and Lady Lu as well, although he was captured when the powerful general Hulü Guang refused to support him.At the suggestion of Lady Lu and Zu Ting, Gao Wei put Gao Yan to death later that year.