Gao Yan then had his associate Wang Ziyi (王子宜) submit a petition accusing He Shikai submit a petition accusing He Shikai of crimes and requesting that he be arrested—and Feng then put the petition along with other ordinary petitions. Gao Wei, without reading the petition carefully, approved it. Gao Yan showed the approved petition to the general Kudi Fulian (庫狄伏連) and instructed him to arrest He Shikai. In fall 571, as He Shikai was about to enter the palace, Kudi and Wang took him to another governmental building, where he was killed on Gao Yan's orders.