《南史·列传·卷八十》
于是侯景派豫州司马徐思玉夜间入城游说韦黯，韦黯就开城门迎侯景进城。
乃遣豫州司马徐思玉夜入说之，黯乃开门纳景。
So Hou Jing sent Sima Xu Siyu of Yuzhou to enter the city at night to lobby Wei An, who then opened the city gates and welcomed Hou Jing into the city.