《明史·列传·卷一百二十六》
十二月，李如松抵达部队，沈惟敬从日本回国，说日本首领行长愿意受封，请求明军退到平壤以西，双方以大同江为界。
十二月，如松至军，沈惟敬自倭归，言倭酋行长愿封，请退平壤迄西，以大同江为界。
In December, Li Ruxong arrived at the troops. Shen Weijing returned from Japan and said that the Japanese leader Xingzhang was willing to be enfeoffed, requesting the Ming army to retreat to the west of Pyongyang. The two sides took Datong River as the boundary.