 During the reign of his cousin Emperor Xiaozhuang, someone made a report to Emperor Xiaozhuang that Yuan Gong was only pretending to be unable to speak, and had treasonous intent.When Yuan Gong was informed of this, he, in fear, fled to Shangluo Mountain (上洛山, in modern Shangzhou, Shaanxi), but was captured and returned to Luoyang.Interrogations and investigations, however, yielded no proof that Yuan Gong plotted treason, so he was released.