echert:rich

option = {
    tooltip: {
        show:false,
    },
    series: [
        {
            color:['#00c7e4','#ececec'],
            type:'pie',
            radius: ['80', '95'],
            avoidLabelOverlap: false,
            label: {
                normal: {
                    show: true,
                    position: 'center'
                }
            },
          data: [{
				value: 98,
				label: {
                normal: {
                    formatter: '{a|{c}}  {b|分}  ',
   
                    rich: {
                        a: {
                            color: '#00c7e4',
                            fontSize: 70,
                            verticalAlign:'bottom',
                        },
                        b: {
                             color: '#00c7e4',
                            fontSize: 26,
                              verticalAlign:'bottom',
                               padding: [6, 0],
                        },
                    }
                }
            },
			}, {
				value: 2,
				name:'分',
				label: {
					normal: {
					    show:false,
						fontSize: 14,
						color: '#dd680a',
						position: 'center',
					}
				}
			}],
        },
    ]
};