《北史·列传·卷四十二》
杨坚命襄州总管王谊进讨，消难逃到南陈，被陈封为司空，赐爵为隋郡公。
隋文帝命襄州总管王谊讨之，消难奔陈。位司空，随郡公。
Yang Jian ordered Wang Yi, the governor of Xiangzhou, to attack him, so Xiao Nan fled to Nanchen, where he was named Sikong by Chen and awarded the title of Sui County Duke.