微信小程序在安卓机上X轴文字显示特别小echarts 折线配置项内容和展示

微信小程序在安卓机上X轴文字显示特别小，在ios上显示正常

      option = {
    title: {
      text: '',
      left: 'center'
    },
    legend: {
      data: ['scatter1'],
      show: false
    },
    color: ["#ffffff"],
    grid: {
      left: '2%',   //图表距边框的距离
      bottom: '10%',
      containLabel: true
    },
    tooltip: {
      show: true,
      trigger:'axis',
      position: function (point, params, dom, rect, size) {
        var x = 0; // x坐标位置
        var y = 0; // y坐标位置
        var pointX = point[0];
        var pointY = point[1];
        var boxWidth = size.contentSize[0];
        var boxHeight = size.contentSize[0];
        if (boxWidth > pointX) {
          x = 5;
        } else { 
          x = pointX - boxWidth + 100;
        }
        if (boxHeight > pointY) {
          y = 15;
        } else { 
          y = pointY - boxHeight + 50;
        }
        return [x, y];
      },
      backgroundColor: '#fff',
      textStyle: {
        color: '#c21a17'
      }
    },
    xAxis: {
      show: true,
      type: 'category',
      boundaryGap: false,
      data: [1,5,4,5,6],
      axisLine: {
        lineStyle: {
          color: '#cb3431'
        },
      },
      axisLabel: {
        show: true,
        textStyle: {
          color: '#e69b9b'
        }
      },
      axisTick: {
        show: false
      },
      splitLine: {
        show: false
      }
      // show: false
    },
    yAxis: {
      show: false,
      x: 'center',
      type: 'value',
      splitLine: {
        lineStyle: {
          type: 'dashed'
        }
      },
      axisTick: {
        show: false
      },
      axisLine: {
        lineStyle: {
          color: '#fff'
        }
      },
      splitLine: {
        show: false
      }
      // show: false
    },
    series: [{
      name: 'Time',
      type: 'line',
      smooth: false,
      symbol: '',
      symbolSize: 8,
      data: [1,5,4,5,6],
      lineStyle: {
        normal: {
          color: '#fff',
          width: 3,
          type: 'solid'
        }
      },
      itemStyle: {
        normal: {
          borderWidth: 3,
          borderColor: '#fff',
          color: '#cb3431'
        }
      }
    }]
  };