《太平广记·卷三百零四·神十四》
张光晟本来想逃走，但被朱泚笼络住了，就很卖力气地扶佐朱泚，每场战事张光晟都参加，神麢之战后，朱麢就拜张光晟为相当于丞相的仆射平章事，让他统兵出战，结果大败，朱泚之乱终于被平定。
然而奉泚甚力，每有战，常在其间。及神麢之阵，泚拜光晟仆射平章事，统兵出战，大败而还。
Zhang Guangsheng originally wanted to escape, but was captivated by Zhu Ci, and so he very determinedly supported Zhu Ci. Zhang Guangsheng participated in every battle. After the Battle of Shenlü, Zhu Ci appointed Zhang Guangsheng as an official equivalent to the prime minister, who was in charge of military affairs. As it turned out, they suffered a great defeat, and Zhu Ci's rebellion was finally quelled.