 Emperor Yang was forced to abandon the campaign against Goguryeo, and he sent Yuwen and Qutu Tong (屈突通) ahead of himself, to reinforce the forces near Luoyang against Yang Xuangan.Yuwen, Qutu, and the generals defeated Yang Xuangan, and Yang Xuangan fled west, intending to attack Chang'an.Yuwen, Qutu, Wei Wensheng (衛文昇) and Lai Hu'er (來護兒) gave chase, catching up with Yang Xuangan at Hongnong (弘農, in modern Sanmenxia, Henan) and dealt him a final crushing blow.