《资治通鉴·隋纪·隋纪六》
炀帝要追究查办杨玄纵等党羽，斛斯政内心极为恐惧不安，戊辰，他逃跑投奔了高丽。
帝将穷治玄纵等党与，政内不自安，戊辰，亡奔高丽。
Emperor Yang wanted to pursue and punish Yang Xuanyu and other conspirators. Hussie Zheng was very frightened and uneasy in his heart. On the first day, he fled and surrendered to Goguryeo.