 Li Zhongchen initially put Weibo's Wei Prefecture (衛州, in modern Xinxiang, Henan) under siege, but after Li Zhengji withdrew from the campaign due to fears that his own soldiers would mutiny and a humble letter Tian sent him, Li Zhongchen withdrew as well.Emperor Daizong was subsequently forced to abandon the campaign against Tian.In 776, after the death of Tian Shen'gong's brother Tian Shenyu (), the circuit he then governed, Biansong Circuit (汴宋, headquartered in modern Kaifeng), fell into the hands of his officer Li Lingyao ().