Meanwhile, however, when Li Yuan arrived near Hedong, his army was bogged down by the weather, and with food running out, there were rumors that Eastern Tujue and Liu Wuzhou would attack Taiyuan.
Imidlertid, da Li Yuan ankom nær Hedong, blev hans hær skadet af vejret, og med madforsyningerne ved at løbe tør gik der rygter om, at Øst Tujue og Liu Wuzhou ville angribe Taiyuan.