《陈书·列传·卷十二》
荆州失陷，侯琐镇守于湓城，和王质不和，派遣偏将羊亮代替王质，而且用兵威胁他，王质率领自己的部队，越过信安岭，依附于留异。
荆州陷，侯瑱镇于湓城，与质不协，遣偏将羊亮代质，且以兵临之，质率所部度信安岭，依于留异。
After the fall of Jingzhou, Hou Suo, who was stationed in Xuicheng, had a disagreement with Wang Zhi and sent his subordinate general, Yang Liang, to replace Wang Zhi. He also threatened him with force. Wang Zhi led his own troops over Xin'an Ridge and joined Liu Yi.