 Li Weiyue refused.In winter 781, Emperor Dezong formally declared Li Weiyue a renegade and removed all of his titles; he also decreed that those who turned against Li Weiyue would be pardoned and awarded.In spring 782, despite the defense put up by joint Chengde and Weibo troops, Zhu and Zhang captured Shulu (束鹿, in modern Shijiazhuang) and then put Shen Prefecture (深州, in modern Hengshui, Hebei) under siege.