Your code can be hidden without any notification, just showing "该文件疑似存在违规内容，无法显示" (The file is suspected to contain illegal content and cannot be displayed). You even don't know which part has the issue and how to modify.
A famous example would be how clowwindy, the author of the ShadowSocks VPN, was "invited for a cup of tea by the Chinese police".[0]
[0] https://printempw.github.io/about-clowwindy-archive/
Your code can be hidden without any notification, just showing "该文件疑似存在违规内容，无法显示" (The file is suspected to contain illegal content and cannot be displayed). You even don't know which part has the issue and how to modify.