angular中的高图表工具提示十字准线问题

import * as Highcharts from 'highcharts';
import * as HighchartsMore from 'highcharts/highcharts-more';
import * as HighchartsExporting from 'highcharts/modules/exporting';
import * as HighchartsData from 'highcharts/modules/data';
import * as HighchartsSolidGauge from 'highcharts/modules/solid-gauge';
import * as HighchartsHeatmap from 'highcharts/modules/heatmap';
import * as HighchartsTreemap from 'highcharts/modules/treemap';
import * as HighchartsAccessibility from 'highcharts/modules/accessibility';
import * as HighchartsBoost from 'highcharts/modules/boost';
import * as HighchartsNoDataToDisplay from 'highcharts/modules/no-data-to-display';
import * as HighchartsFunnel from 'highcharts/modules/funnel';
import * as HighchartsTimeline from 'highcharts/modules/timeline';

HighchartsMore(Highcharts);
HighchartsExporting(Highcharts);
HighchartsData(Highcharts);
HighchartsSolidGauge(Highcharts);
HighchartsHeatmap(Highcharts);
HighchartsTreemap(Highcharts);
HighchartsAccessibility(Highcharts);
HighchartsBoost(Highcharts);
HighchartsNoDataToDisplay(Highcharts);
HighchartsFunnel(Highcharts);
HighchartsTimeline(Highcharts);

<div id="chartContainer"></div>

export class ChartComponent implements OnInit {
  chartOptions: Highcharts.Options = {
    // 配置项
  };

  ngOnInit() {
    Highcharts.chart('chartContainer', this.chartOptions);
  }
}

chartOptions: Highcharts.Options = {
  // 其他配置项
  tooltip: {
    positioner: function (labelWidth, labelHeight, point) {
      // 自定义计算工具提示位置的逻辑
      // 返回一个对象，包含x和y属性，表示工具提示的左上角坐标
    },
    // 其他配置项
  },
  // 其他配置项
};