IEnumerator BarMutilSerie()
        {
            chart.GetChartComponent <Title>().subText = "多条柱状图";

            float now = serie.barWidth - 0.35f;

            while (serie.barWidth > 0.35f)
            {
                serie.barWidth -= now * Time.deltaTime;
                chart.RefreshChart();
                yield return(null);
            }

            serie2          = chart.AddSerie <Bar>("Bar2");
            serie2.lineType = LineType.Normal;
            serie2.barWidth = 0.35f;
            for (int i = 0; i < m_DataNum; i++)
            {
                chart.AddData(1, UnityEngine.Random.Range(20, 90));
            }
            yield return(new WaitForSeconds(1));
        }