The web version of Musical Mania can't be used because the website was blocked by the computer room security management system. The website was blocked by the computer room security management system because there is no music copyright in the music crazy web version, which involves violations. Musical Crazy Web Edition is an open source online music player based on Netease Cloud Music api. It has the functions of music search, playing, downloading, synchronous display of lyrics and synchronization of personal music playlist.