《水经注·卷十一》
温泉水往东南流经兴豆亭北面。兴豆亭在南原上，亭身倾斜不正，因此世人把它称为敲城。
东南流径兴豆亭北，亭在南原上，敧倾而不正，故世以敧城目之。
The hot spring water flows southeast through the north of Xingdouting. Xingdouting is on Nanyuan, and the pavilion is tilted and not straight, so the world calls it a knocked city.