《旧五代史·后晋·列传三》
到晋高祖进入洛阳，与契丹将有重要盟约，担心灵武会被契丹攻取，于是又派他出任灵武节度使。
及高祖入洛，与契丹方有要盟，虑为其所取，乃复除灵武。
When Emperor Gaozu of the Jin Dynasty was about to enter Luoyang, he planned to form an important alliance with the Khitan, but he was also concerned that Lingwu would be captured by the Khitan, so he ordered Zhang Xichong to serve as the military commissioner of Lingwu.