如何处理问题

描述:当前是关于Echarts图表中的 饼图 示例。
 
            option = {
    backgroundColor: '#424956',
    tooltip: {
        trigger: 'item',
        formatter: "{a} <br/>{b}: {c} ({d}%)",

    },
    legend: {
        
        orient: 'vertical',
        x: 'right',
       itemWidth: 14,
        itemHeight: 14,
        align: 'left',
    
        data:['商家','其他','伍女士'],
                textStyle: {
            color: '#fff'
        }
    },
    series: [
        {
            name:'访问来源',
            type:'pie',
            hoverAnimation: false,
            legendHoverLink:false,
            radius: ['40%', '42%'],
            color: ['#3077b7', '#5b8144','#9c6a79'],
            label: {
                normal: {
                    position: 'inner'
                }
            },
            labelLine: {
                normal: {
                    show: false
                },
               
            },
            tooltip: {
               show:false,
               
               
            },
            
            data:[
                {value:145, name:''},
                 {value:135, name:''},
                 {value:20, name:''}
            ]
        },
        {
            name:'访问来源',
            type:'pie',
            radius: ['42%', '55%'],
            color: [ '#0092ff', '#60a900',' #f17677'],
            label: {
                normal: {
                    formatter: '{b}\n{d}%'
                },
          
            },
            data:[
                {value:145, name:'商家'},
                {value:135, name:'其他'},
                {value:20, name:'伍女士'}
         
            ]
        }
    ]
};