             trigger: 'axis'
                },
                polar: {},
                radiusAxis: {
                    min: 'dataMin',
                    max: 'dataMax',
                    data: ['类目1', '类目2', '类目3', '类目4', '类目5']
                },
                angleAxis: {},
                series: [{
                    coordinateSystem: 'polar',
                    name: 'no point',
                    type: 'line',
                    data: []
                }, {
       