相传，宋朝时，大文豪苏东坡与黄庭坚、秦少游、佛印和尚四人，有一次相约郊游，来到一座寺院，看见墙壁上洒着唐代大诗人杜甫的诗《曲江对雨》。但是，因为年深日久，其中一句“林花著雨胭脂湿”的“湿”字已经脱落。于是，四个商定，各自补上一个字。结果，苏东坡补的是“润? According to legend, during the Song dynasty, the great literary star Su Dongpo, together with Huang Tingjian, Qin Shanyou and the four monks from the Buddhist and Buddhist monks, came to a monastery on one occasion and saw the poem “Qujiang on the Rain” on the wall, which is the poet Du Fu of the Tang Dynasty. However, because of the long time running, one of the words “wet flower” is already wet. So, the four agreed, each with a word. Results, Su Dong make up is "run?