Who is the Northeastern who Li Dan said plagiarized jokes?

Li Dan said that the northeast person who copied jokes was Bai Kainan. He also expressed his views on plagiarism. I think what I wrote is being used by others. Although I don't want to, it doesn't work. I might as well work hard. In other words, my own creation has been recognized by the market, and I can be very happy to do good without leaving my name. Many netizens support the idea of Li's birthday, and also show that he has a high emotional intelligence and a broad mind, which has attracted a large number of fans. Netizens are polarized on this matter, and the voices of support and opposition coexist. In fact, Degang Guo has long responded to plagiarism. Many netizens think that many stalks of Deyun Society are plagiarized online, and he also admitted it.