 While probably not as corrupt as Mu and Mu's mother and Gao Wei's wet nurse Lu Lingxuan, he was known for incompetence.In 577, with Northern Qi under major attack by rival Northern Zhou, after Gao Wei fled the capital Yecheng, Gao Anagong betrayed him and gave him false information, allowing Northern Zhou forces to capture him.In 580, with Northern Zhou in civil war between the regent Yang Jian and the general Yuchi Jiong, Gao Anagong was on Yuchi's side and, after Yuchi's defeat, was executed.