问403尝试使用Spotify Web Api将歌曲添加到另一个协作播放列表时出现禁止错误

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document.getElementById('button1').addEventListener('click', function() {
    var myid=localStorage.getItem('SpotId')
    var playid=localStorage.getItem('URI')
    var trackuris = document.getElementById("selections").value;
    console.log(trackuris)
    var uris=[trackuris];           //create an array with the trackuri stored within
    //adding track to playlist using myid, playid, and uris to fill function
    spotifyApi.addTracksToPlaylist(myid,playid,uris).then(function(data) {
        console.log('Added', data); //logging data returend from spotify to console
        document.getElementById('list').src = document.getElementById('list').src;
        var select = document.getElementById("selections");
        $('#selections').empty();   //deletes previos entries upon adding song to playlist
    });
});