《辽史·本纪·卷四》
初八，袅古只奏请派使者到朔州命令对方投降，守城者仍坚守壁围不肯接纳使者。
丙寅，褭古只奏请遣使至朔令降，守者犹坚壁弗纳。
On the 8th day of the first lunar month, Niao Guizhi only ordered an envoy to go to Shuozhou and order the other side to surrender, but the defenders still held on to the city wall and refused to accept the envoy.