Each line specifies a file or directory, the path is relative to the directory, the directory of the file directly to the file name, the entire package directory, do not need to specify the subdirectories of the file. Such as: If you have already specified: ../book You do not need to specify the directory again ../book/index.php Other files or directories, the system will automatically index the entire directory, For those who do not need to index the entire directory, please do not specify this directory, or may put unnecessary files into the module。