Y轴显示的数据数值差太大，求大神帮忙优化一下这个！echarts 柱状配置项内容和展示

Y轴显示的数据数值差太大

      var arraydata = [{
    "InfoName": "普通硅酸盐水泥",
    "NetWeight": 2869.24
}, {
    "InfoName": "普通硅酸盐水泥",
    "NetWeight": 1020.7
}, {
    "InfoName": "硅酸盐水泥",
    "NetWeight": 220.34
}, {
    "InfoName": "带肋钢筋(螺纹钢)",
    "NetWeight": 56.92
}, {
    "InfoName": "带肋钢筋(螺纹钢)",
    "NetWeight": 56.42
}, {
    "InfoName": "复合硅酸盐水泥",
    "NetWeight": 50.44
}, {
    "InfoName": "带肋钢筋(螺纹钢)",
    "NetWeight": 20.72
}, {
    "InfoName": "带肋钢筋(螺纹钢)",
    "NetWeight": 10.14
}, {
    "InfoName": "带肋钢筋(螺纹钢)",
    "NetWeight": 15.9
}, {
    "InfoName": "带肋钢筋(螺纹钢)",
    "NetWeight": 10
}];


option = {
    title: {
        text: 'ECharts 入门示例1'
    },
    tooltip: {
        trigger: 'axis',
        axisPointer: {
            type: 'shadow'
        }
    },
    legend: {
        data: ['进料量']
    },
    grid: {
        left: '3%',
        right: '4%',
        bottom: '10%',
        containLabel: true
    },
    xAxis: {
        data: [{
            value: arraydata[0].InfoName,
            textStyle: {
                fontSize: 8
            }
        }, {
            value: arraydata[1].InfoName,
            textStyle: {
                fontSize: 8
            }
        }, {
            value: arraydata[2].InfoName,
            textStyle: {
                fontSize: 8
            }
        }, {
            value: arraydata[3].InfoName,
            textStyle: {
                fontSize: 8
            }
        }, {
            value: arraydata[4].InfoName,
            textStyle: {
                fontSize: 8
            }
        }, {
            value: arraydata[5].InfoName,
            textStyle: {
                fontSize: 8
            }
        }, {
            value: arraydata[6].InfoName,
            textStyle: {
                fontSize: 8
            }
        }, {
            value: arraydata[7].InfoName,
            textStyle: {
                fontSize: 8
            }
        }, {
            value: arraydata[8].InfoName,
            textStyle: {
                fontSize: 8
            }
        }, {
            value: arraydata[9].InfoName,
            textStyle: {
                fontSize: 8
            }
        }],
        'axisLabel': {
           formatter: function(value, index) {
                return value.substr(0, 2) + "...";
            },
        
            //'interval': 0, rotate: 15
        }


    },
    yAxis: {},
    series: [{
        name: '进料量',
        type: 'bar',
        barWidth: '70%',
        data: [arraydata[0].NetWeight, arraydata[1].NetWeight, arraydata[2].NetWeight, arraydata[3].NetWeight, arraydata[4].NetWeight,
            arraydata[5].NetWeight, arraydata[6].NetWeight, arraydata[7].NetWeight, arraydata[8].NetWeight, arraydata[9].NetWeight
        ]
    }]

};