Who is called "Huang Da" because he is obsessed with the crab yellow of Yangcheng Lake hairy crabs? Tell the specific story in detail, thank you.

Liu Chengxun, the youngest son of Gaozu Liu Zhiyuan. At the beginning of the founding of the People's Republic of China, the right-back general was awarded. Taking the position of heir, adding collating Qiu and Tong Pingzhang, attracting interest from far away, and Russian Houyi is Kaifeng Yin, who is also collating and assistant. In the winter and November of Ganyou three years, Xiao Qiang's rebellion, Yin Di's collapse and shuddering. Xun was ill, and the ministers invited him to stay. The Queen Mother ordered him to lie on the couch and watch. When people saw that Xun could not prosper, they promoted him to be a general. In the spring of the first year of Zhou dynasty, a letter was issued and sealed.

In China, the first person who was famous for eating crab roe was Liu Chengxun. This man is the youngest son of Liu Zhiyuan, the founding emperor of the later Han Dynasty. As soon as he saw the crab, he picked up the fat crab with a round shell and opened it to eat crab roe. Someone asked him, is crab roe delicious? Don't everyone eat crab claws? Liu Chengxun ate his mouth full of oil and replied, "A hundred thousand crab claws are not worth a crab yellow." This sentence made crab roe popular, so Liu Chengxun got a nickname called "Huang Da".