《后汉书·本纪·孝和孝殇帝纪》
九年春正月，永昌边外蛮夷及掸国，经辗转翻译，通言语纳贡物。
九年春正月，永昌徼外蛮夷及掸国重译奉贡。
In the spring of the first month of the ninth year, the barbarians and Shan Kingdom outside Yongchang traveled many times to communicate, speak, and pay tribute.