关于#echarts#的问题，如何解决？

在现有的代码保持不变上，增加代码使提示框中显示的数据从负数显示成正数

img


html>
<html lang="zh-CN" style="width:500px;height: 100%">
<head>
    <meta charset="utf-8">
    <title>title>
    
    
    
head>
<body style="height: 100%; margin: 0">
  <div id="main" style="height: 100%;background-color: white;">div>
  <script src="https://cdn.staticfile.org/echarts/4.3.0/echarts.min.js">script>
    <script type="text/javascript">
    var chartDom = document.getElementById("main");
    var myChart = echarts.init(chartDom, null, {
      renderer: "canvas",
      useDirtyRect: false
    });
    var option;

const labelRight = {
  position: "right"
};
option = {
  title: {
    text: ""
  },
  tooltip: {
    trigger: "axis",
    axisPointer: {
      type: "shadow"
    }
  },
  grid: {
    top: 80,
    bottom: 30
  },
  xAxis: {
    type: "value",
    position: "top",
    splitLine: {
      lineStyle: {
        type: "dashed"
      }
    },
    axisLabel: {
         formatter: (value) => {
        // 负数取反 显示的就是正数了
           if (value < 0) return -value
        else return value
         }
    }
  },
  yAxis: {
    type: "category",
    axisLine: { show: false },
    axisLabel: { show: false },
    axisTick: { show: false },
    splitLine: { show: false },
    data: [
      "ten",
      "nine",
      "eight",
      "seven",
      "six",
      "five",
      "four",
      "three",
      "two",
      "one"
    ]
  },
  series: [
    {
      name: "工时",
      type: "bar",
      stack: "Total",
      color:"#5470C6",
      label: {
        show: true,
        formatter: "{b}"
      },
      data: [30,31,,32,,33,,33]
    },
    {
      name: "工时",
      type: "bar",
      stack: "Total",
      color:"red",
      label: {
        show: true,
        formatter: "{b}"
      },
      tooltip: {
        valueFormatter: value => value * -1
      },
      data: [,,-31,,-33,,-35,]
      //,formatter: function(params){return Math.abs(params.value)}
    }
  ]
};

option && myChart.setOption(option);
    script>
body>
html>axisLabel: {
  



axisLabel: {
  formatter: (value) => {
    // 负数取反，显示的就是正数了
    if (value < 0) return -value;
    else return value;
  }
}


      tooltip: {
        trigger: "axis",
        axisPointer: {
          type: "shadow"
        },
        formatter: function (value) {
          let res;
          res = `${value[0].seriesName}:${value[0].value?value[0].value:'-'} <br/>${value[0].seriesName}:${value[1]?.value?value[1].value*-1:'-'}`
          return res
        }

      },