Because Litchi APP only displays the download path and does not display local files. The reason why the Litchi APP cannot find local music is because the Litchi APP only displays the download path of the music and does not display the local files. You need to first find the download path in the settings options in the APP, and then click the download path to query the path to the download location. , and then you can query it through the file management of the mobile desktop. The reason why it is not displayed is that the mobile APP has not obtained the permission to use local files.