 Yuwen was forced to withdraw, but against advice from Feng Zihui (封子繪) and Chen Yuankang (陳元康), Gao Huan failed to chase Yuwen and allowed him to escape.The defeat was considered so major that Yuwen offered to have his rank reduced, but Emperor Wen did not accept the request.In 545, Yuwen, seeing that one of Rouran's vassals, Tujue, was growing in strength, sent a messenger, Annuo Pantuo (安諾槃陀) to Tujue to greet its chief Ashina Tumen, to try to establish friendly relations.