《梁书·列传·卷三十二》
普通年间，魏徐州刺史元法僧在彭城请求内附，以庆之为武威将军，与胡龙牙、成景俊率诸军应接他。
普通中，魏徐州刺史元法僧于彭城求入内附，以庆之为武威将军，与胡龙牙、成景俊率诸军应接。
During the common years, Yuan Fasheng, the governor of Wei's Xu Prefecture, asked to be included in the inner circle in Pengcheng, so he was made a military general of Wuwai and led the army with Hu Longya, Cheng Jingjun, and others to meet him.