《明史·志·卷二十五》
三年，又因为众神阴阳一气，天地之间往来无间，于是合二坛为一，并增设四季月将。
三年后以诸神阴阳一气，流行无间，乃合二坛为一，而增四季月将。
Three years later, because the gods of yin and yang, heaven and earth were free to move around, two platforms were combined into one, and the seasonal moon commanders were added.