《宋书·列传·卷九十五》
安西将军刘义真回到南方，佛佛派儿子赫连昌在青泥击溃刘义真，俘虏大批将帅，于是占有关中，自称皇帝，年号为真兴元年，京兆人韦玄隐居家乡，静养志趣。
安西将军义真之归也，佛佛遣子昌破之青泥，俘囚诸将帅，遂有关中，自称尊号，号年曰真兴元年。
Anxi General Liu Yizhen returned to the south, and Bobo sent his son Helian Chang to defeat Liu Yizhen at Qingni, and captured a large number of generals. So he occupied Guanzhong and claimed himself as emperor. In the first year of his reign Zhenxing, Jingzhao native Wei Xuan went into hiding in his hometown to pursue intellectual interests.