No prototype. Wu Wenyuan of Huayang University is a fictional character in the film and television drama Land of Hope, and there is no prototype in reality. In the play, Wu Wenyuan is a professor at Huayang University. He meets Ma Chen by chance in prison. Promised Land tells the stories of four families represented by Ma, Wu, Liu and Tian, covering many protagonists in various fields such as industry, agriculture, commerce, academics and military affairs.