:y Folder:inode/directory
:b Plain text:text/plain
:r PDF:application/pdf
:g Epub:application/epub+zip
:b JSON:application/json
:y PNG:image/png
:y Jpeg:image/jpg
:y GIF:image/gif
:b 金MP4:video/mp4
:b 金MP4:video/mp4
:b Link:x-scheme-handler/http:x-scheme-handler/https
:g Zip:application/zip
:g GZ:application/gzip
:g XZ:application/x-xz
:y 縉SVG:image/svg
