环状图，距离左边文字的距离

init_hot_matter_top5(){
                console.log('---init_hot_matter_top5---');
                let myChart = this.$echarts.init(document.getElementById('hot_matter_top5'));
                var option;
                option = {
                    tooltip: {
                        trigger: 'item'
                    },
                    legend: {
                        top: '5%',
                        orient: 'vertical',
                        left: 'left',
                        textStyle:{
                            fontSize: 16,//字体大小
                            color: '#ffffff'//字体颜色
                        },
                    },
                    color: ['#E61D79', '#4BD2EF', '#227176', '#FFFFFF', '#F5A721'],
                    series: [
                        {
                            name: '热门事项Top5',
                            type: 'pie',
                            radius: ['40%', '60%'],
                            avoidLabelOverlap: false,
                            left:'100',//**--------距离左边文字，100px**
                            itemStyle: {
                                borderRadius: 10,
                                borderColor: '#fff',
                                borderWidth: 2
                            },
                            label: {
                                show: false,
                                position: 'center'
                            },
                            emphasis: {
                                label: {
                                    show: true,
                                    fontSize: '18',
                                    fontWeight: 'bold'
                                }
                            },
                            labelLine: {
                                show: false
                            },
                            data: [
                                { value: 1048, name: '社保业务' },
                                { value: 735, name: '便民缴费' },
                                { value: 580, name: '公积金业务' },
                                { value: 484, name: '个税相关业务' },
                                { value: 300, name: '交通违法' }
                            ]
                        }
                    ]
                };
                option && myChart.setOption(option);
            },