The Poyetous later were naturalized to Xianbei ethnicity and changed their surname to Yuwen (宇文).
In 616, after Shu's death, Emperor Yang made Yuwen Huaji protector-general of the right camp (右屯衛将軍) and Zhiji supervisor of indequity (将作少監).
A number of high-level officials, including the prime minister Yu Shiji, Pei Yun (裴蘊), Lai Hu'er (來護兒), Yuan Chong (袁充), Yuwen Xie (宇文協), Yuwen Jiong (宇文皛), and Xiao Ju (蕭矩) the Duke of Liang (the nephew of Emperor Yang's wife Empress Xiao), were also put to death.
Zhiji was made Deputy minister of the Left (左僕射) and went to the North with Huaji.
Huaji then poisoned Yang Hao and made his base Weixian, declared himself the Emperor of Xu (許帝).