《太平广记·卷三百一十二·神二十》
乾符戊戌年，大理少卿徐焕由于执法公正办案有功，被任为戈阳刺史。
乾符戊戌岁，大理少卿徐焕，以决狱平允，授弋阳郡。
In the year of Renwu of Qianfu, Xu Huan, the Shaoqing of Dali, was appointed as the governor of Geyang due to his fair law enforcement and outstanding performance in handling cases.