《资治通鉴·后梁纪·后梁纪四》
晋王率领军队向前推进，驻扎在永济。张彦挑选银枪效节五百人，都全副武装，加强自卫，到永济拜见晋王，晋王登上驿站的城楼对他说： 你欺凌逼迫主帅，残害百姓，连日来迎马诉冤的就有百余批。
晋王进屯永济，张彦选银枪效节五百人，皆执兵自卫，诣永济谒见，王登驿楼语之曰： 汝陵胁主帅，残虐百姓，数日中迎马诉冤者百馀辈。
King Jin led the army to advance and stationed in Yongji. Zhang Yan called up five hundred men, with silver spears in hand, they were all fully armed, and they went to Yongji to meet King Jin, King Jin went up to the tower of the驿站 and said to him: You bullied the commander-in-chief, harmed the people, and every day hundreds of people came to complain.