《资治通鉴·汉纪·汉纪十六》
于是皇太后乘车驾前往未央宫承明殿，下诏命皇宫各门不许放昌邑国群臣入内。
皇太后乃车驾幸未央承明殿，诏诸禁门毋内昌邑群臣。
Then the empress dowager took the carriage to the Chengming Hall in Weiyang Palace, and issued an imperial decree ordering all the palace gates to be closed, stopping the officials from Changyi from entering.