《隋书·列传·卷三十》
过了一个多月，朔州总管杨义臣率兵来援，两下合力，大破叛军。
月馀，朔州总管杨义臣以兵来援，合击，大破之。
More than one month later, the General Administrator of Suozhou, Yang Yichen, led his troops to support them, and together they roundly defeated the rebels.