《金史·列传·卷三十三》
起初，即明昌年间，有司建议，从西南、西北路，沿临潢到泰州，开挖大壕堑用来防备大军，三万人劳役，几年未完成。
初，明昌间，有司建议，自西南、西北路，沿临潢达泰州，开筑壕堑以备大兵，役者三万人，连年未就。
Initially, in the Mingchang era, the state council suggested, from the southwest and northwest roads, digging a large trench from Linhuang to Taizhou, in order to defend against the army, with tens of thousands of labor, for several years it had not yet been completed.