Niu Fu, left with only five or six men, ordered them to quickly grab all the valuables and flee with him. During the escape, Huchi'er (胡赤兒), one of Niu Fu's subordinates, betrayed him and killed him, and then cut off his head and sent it to Chang'an.
Niu Fu, with only a few loyal followers remaining, ordered them to collect valuable possessions and flee. However, Huchi'er, one of his underlings, betrayed him during the escape, killing him and sending his severed head to Chang'an.