       chart.createAnnotation({
          point: { timestamp: dataList[dataList.length - 20].timestamp }
        })
        // 创建在kdj副图上
        chart.createAnnotation({
          point: { timestamp: dataList[dataList.length - 20].timestamp }
        }, kdjPaneId)

        // 批量创建
        chart.createAnnotation([
          {
            point: { timestamp: dataList[dataList.length - 30].timestamp },
            onClick: function (params) {
              alert('鼠标点击事件响应：