'two points'],
                    selectedMode: 'single'
                },
                tooltip: {
                    trigger: 'axis'
                },
                polar: {},
                radiusAxis: {
                    min: function (value) {
                        return value.min - 20;
                    },
                    max: function (value) {
                        return value.max + 20;
                    },
                    data: ['类目1', '类目2', '类目3', '类目4