   if (dom) {
                    dom.style.height = baseTop + 'px';
                    var chart = echarts.init(dom);
                    chart.setOption(option);
                }
            })

        </script>













        <script>
            require(['echarts'], function (echarts) {

                var option = {
                    tooltip: {
                        trigger: 'axis',
                        axisPointer: {type: 'none', label: {show: true}}
                    }
            