echarts饼图去除圈外指向横线

series: [
    {
        name: '实时人员信息',
        type: 'pie',
        radius: ['86%', '80%'],
        avoidLabelOverlap: false,
        label: {
            normal: {　　　　　　　　------------------------------->  在这里加上normal即可
                show: false,
                position: 'center'
            }
        },
        emphasis: {
            label: {
                show: true,
                fontSize: '30',
                fontWeight: 'bold'
            }
        },
        labelLine: {
            show: false
        },
        data: [
            {value: qd, name: '签到'},
            {value: wqd, name: '未签到'}
        ]
    }
]