However, Goguryeo was able to defeat the Sui navy, thus when the Sui's nine division armies finally reached Pyongyang, they didn't have the supplies for a lengthy siege.
Men Goguryeo var i stand til at besejre Suis flåde således, at da Suis ni divisioners hære endelig nåede Pyongyang, havde de ikke forsyninger til en langvarig belejring.