option = {
  xAxis: {},
  yAxis: {},
  legend: {
    data: ['类别1', '类别2']
  },
  series: [
    {
      name: '类别1',
      data: [
        [2.0, 8.04],
        [3.0, 6.95],
        [23.0, 7.58],
        [18.0, 8.81],
        [12.0, 8.33],
        [4.0, 9.96],
        [16.0, 7.24],
        [14.0, 4.26],
        [12.0, 10.84],
        [10.0, 4.82],
        [7.0, 5.68]
      ],
      type: 'scatter'
    },

    {
      name: '类别2',
      data: [
        [1.0, 2.04],
        [2.0, 15.95],
        [26.0, 17.58],
        [13.0, 7.81],
        [22.0, 5.33],
        [14.0, 9.96],
        [6.0, 4.24],
        [4.0, 4.26],
        [22.0, 13.84],
        [16.0, 14.82],
        [17.0, 15.68]
      ],
      type: 'scatter'
    }
  ]
};