 Late in Gao Wei's reign, he dominated the political scene along with Mu Tipo and Gao Anagong.While not as criticized for corruption as Mu and Gao Anagong were, he was blamed by historians for his rejection of civilians and ethnic Han officials, including the killing of the officials Cui Jishu (崔季舒) and Zhang Diao (張雕) at his instigation.Han Zhangluan was from Changli Commandery (昌黎, roughly modern Qinhuangdao, Hebei), he appeared to be ethnically Chinese or Xianbei-Chinese mixed, but the matter of his ethnicity is not conclusive.