var $replay = document.getElementById('replay');
    var $fps = document.querySelector('.fps-inner');
    var $renderDom = document.getElementById('renderDom');
    var $isUseWebGPU = document.getElementById('isUseWebGPU');
    var $demuxUseWorker = document.getElementById('demuxUseWorker');

    var showOperateBtns = true; // 是否显示按钮
    var forceNoOffscreen = true; //
    var jessibuca = null;

    var loadJs = function (script_file_url, script_id, callback) {
        if (!script_file_url) {
  