Huyan Zan, a famous historical figure, was the military envoy of Xiao Xiong in Song Dynasty. He was tattooed with the words "Kill the thief with one heart", fighting for the country, regardless of life and death, and his enemies were frightened when they heard it. Chunhua went to Kangzhou for an internship when she was an official. There is a ballad "Black Hu Chuan" (also called "Hu Jia Jiang"), which tells the story that Huyan Zan's son Hu Yanpi was framed by Pang Wen, and later Hu Yanqing came to Beijing to make a scene and got revenge. Hu: During the Northern and Southern Dynasties, he was a famous minister of Zhao. He is selfless and praised by the people. When he was a satrap, he personally vindicated a woman, which had a great influence and was widely praised by Chinese people.