IEnumerator AddSimpleBar()
        {
            chart = gameObject.GetComponent <BarChart>();
            if (chart == null)
            {
                chart = gameObject.AddComponent <BarChart>();
            }
            chart.GetChartComponent <Title>().text    = "BarChart - 柱状图";
            chart.GetChartComponent <Title>().subText = "普通柱状图";

            var yAxis = chart.GetChartComponent <YAxis>();

            yAxis.minMaxType = Axis.AxisMinMaxType.Default;

            chart.RemoveData();
            serie = chart.AddSerie <Bar>("Bar1");

            for (int i = 0; i < m_DataNum; i++)
            {
                chart.AddXAxisData("x" + (i + 1));
                chart.AddData(0, UnityEngine.Random.Range(30, 90));
            }
            yield return(new WaitForSeconds(1));
        }