《南史·列传·卷十四》
三十年正月，刮起大风，飞下霰雪，而且打起震雷，皇上担心会有窃贼发难，便增加了刘劭的军队，东宫有甲兵万人。
三十年正月，大风飞霰且雷，上忧有窃发，辄加劭兵，东宫实甲万人。
In January of the thirtieth year, a strong wind blew and sleet fell, and there was thunder, the emperor worried that there were thieves, so Liu Shao's army was increased, Donggong had 10,000 armored soldiers.