text: option = {
      xAxis: {
          data: ['2017-10-24', '2017-10-25', '2017-10-26', '2017-10-27']
      },
      yAxis: {},
      series: [{
          type: 'k',
          data: [
              [20, 30, 10, 35],
              [40, 35, 30, 55],
              [33, 38, 33, 40],
              [40, 40, 32, 42]
          ]
      }]
  };
  