《旧唐书·列传·卷六十五》
不久任淮南西道黜陟使，上奏在楚州修置常丰堰以抵御海潮冲击，在贫瘠的土地上屯田，每年收获的粮食为以前的十倍，至今仍然在受益。
寻为淮南西道黜陟使，奏于楚州置常丰堰以御海潮，屯田瘠卤，岁收十倍，至今受其利。
Soon after, he was appointed as the censor of Huainan West Circuit, and proposed building the Changfeng embankment in Chuzhou to resist the impact of the sea tide, and farming on barren land, which increased the annual grain harvest tenfold, which is still benefiting today.