 After the campaign against Chen, Emperor Wen's son Yang Guang the Prince of Jin, who was in overall command of the campaign against Chen, became the commandant at Yang Province (揚州, roughly modern Yangzhou, Jiangsu).Yuwen Shu was friendly with Yang Guang, and Yang Guang, whose ambitions included displacing his older brother Yang Yong the Crown Prince as his father's heir, therefore requested in 600 and received Emperor Wen's approval to have Yuwen's command post moved to Shou Province (壽州, roughly modern Lu'an, Anhui), closer to Yang Guang's post.At one point, Yang Guang consulted Yuwen Shu as to how he could displace his brother.