   var myChart = echarts.init(dom);
            var option;

            myChart.showLoading();
            $.get("{{ data_file }}", function (graph) {
                myChart.hideLoading();
                document.title = graph.title;
                option = {
                    title: {
                        text: graph.title,
                        top: "bottom",
                        left: "right",
                    },
                    tooltip: {
                        formtter: "{b}",
   