  var $supportDraggable = document.getElementById('supportDraggable');
    var $supportContainerFullscreen = document.getElementById('supportContainerFullscreen');

    let jessibucaMulti = null;
    var showOperateBtns = true; // 是否显示按钮

    function create() {
        jessibucaMulti = new JessibucaProMulti({
            container: $container,
            split: 2,// default
            isResize: false,
            decoder: './js/decoder-pro.js',
            debug: true,
            useMSE: tru