饼图的比例相加不足100%echarts 饼配置项内容和展示

如果所示,饼图的比例相加不足100%,有什么解决办法吗

      var data=[2,2,9]
 option = {
                backgroundColor: '#fff',
                //title: {
                //    text: '注册资金',
                //    subtext: '2016年',
                //    x: 'center',
                //    y: 'center',
                //    textStyle: {
                //        fontWeight: 'normal',
                //        fontSize: 16
                //    }
                //},
                tooltip: {
                    show: true,
                    trigger: 'item',
                    formatter: "{b}: {c} ({d}%)"
                },
                legend: {
                    orient: 'vertical',
                    right: '5%',
                    top: '30px',
                    data: data,

                },
                series: [
                    {
                        type: 'pie',
                        selectedMode: 'single',
                        //radius: ['25%', '58%'],
                        //color: ['#86D560', '#AF89D6', '#59ADF3', '#FF999A'],

                        label: {
                            normal: {
                                position: 'inner',
                                formatter: '{d}%',

                                textStyle: {
                                    color: '#fff',
                                    fontWeight: 'bold',
                                    fontSize: 14
                                }
                            }
                        },
                        labelLine: {
                            normal: {
                                show: false
                            }
                        },
                        data: data
                    },
                    {
                        type: 'pie',
                        radius: ['58%', '83%'],
                        hoverAnimation: false,
                        legendHoverLink: false,
                        itemStyle: {
                            normal: {
                                color: '#fff',
                                opacity: '0'
                            },
                            emphasis: {
                                color: '#fff'
                            }
                        },
                        label: {
                            normal: {
                                position: 'inner',
                                formatter: '{c}人',
                                textStyle: {
                                    color: '#777777',
                                    fontWeight: 'bold',
                                    fontSize: 14
                                }
                            }
                        },
                        data: data
                    }
                ]
            };