 Gao Baoning, who had also tried to come to Lu's aid, also withdrew back to Ying Province.In spring 579, Tuobo Khan sought peace with Northern Zhou.Emperor Xuan of Northern Zhou created the daughter of his uncle Yuwen Zhao (宇文招) the Prince of Zhao the Princess Qianjin, offering to give her to Tuobo Khan in marriage if Tuobo Khan would be willing to surrender Gao Shaoyi.