If it is a small mistake, it can be ignored after the paper is online. If it is a serious mistake, you should contact the periodical for correction. For errata, contact the editor of this magazine to explain the whole situation and ask them to issue a statement of errata.

Errata is a publishing term. Deng Hu distinguished it as one of the doctrines in his commentary, and said: The transportation method is similar to or slightly different from the topic. Its wording is correct first and then deducted from the bottom sentence, which is indeed a proof of right and wrong. Simply put, it is the author or editor who corrects the text errors in books and periodicals.