《资治通鉴·梁纪·梁纪十八》
河东王萧誉向岳阳王萧告急，萧留下谘议参军济阳人蔡大宝守卫襄阳，自己统率两万兵众，两千名骑兵，计伐江陵以授救湘州。
河东王誉告急于岳阳王詧，詧留咨议参军济阳蔡大宝守襄阳，帅众二万、骑二千伐江陵以救湘州。
He Dong King Xiao Yu turned to Yueyang King Xiao for help, Xiao left the advisory military attache, Jiyang native Cai Dabao, to guard Xiangyang, and personally led 20,000 troops, 2,000 cavalry, and the plan to attack Jiangling to help Xiangzhou.