A novel chapter was usually locked for one of the following reasons: 1. copyright issues: novel chapters may be written by someone. Therefore, if the author or copyright owner does not wish to share or display the chapter on other platforms, the chapter may be locked. Chapter content does not comply with the platform's regulations: Some novel websites may review the chapter content. If the chapter content does not comply with the platform's regulations, such as containing inappropriate content, inappropriate language, etc., then the chapter may be locked. Chapter has been shared multiple times: If a chapter is shared multiple times and the person sharing it is not authorized by the website, the chapter may be locked. Chapter used for advertising: Some websites may lock chapters to prevent them from being used as advertising material. 5 Other unknown reasons: There may be many specific reasons why the novel chapter is locked. You need to contact the relevant website or platform to understand.