Many paper duplicate checking systems, especially HowNet, contain Internet resources. Zhihu is a question-and-answer exchange platform on the Internet and a community exchange of network information. Many resources and information on it are shared by * * *. Therefore, these data resources in Zhihu will also be included in the relevant paper duplicate checking system, and these resources will be compared with the papers submitted by everyone, which means that the articles in Zhihu can also be found through duplicate checking.