《宋书·列传·卷八十四》
几天不能决定下来，于是派将领赵道始在江津修筑堡垒，任演戍守沙桥。各关门津要都有守兵。
乃遣将赵道始于江津筑垒，任演戍沙桥，诸门津要，皆有屯兵。
They could not make a decision for several days, so they sent General Zhao Daoshi to build a fortress in Jiangjin and Ren Yan to guard Sha Qiao. There were troops guarding every pass and ford.