option = { grid: { left: '0%', right: '4%', bottom: '3%', top: '0', containLabel: true }, xAxis: { position: 'top', min:0, max: 360, interval: 90, axisLine: { symbol: ['none', 'arrow'], lineStyle: { color: '#8895A2', } }, splitLine: { show: false }, axisLabel: { textStyle: { color: '#8895A2', fontSize: 12 } } }, yAxis: { inverse: true, min: 0, max: 2500, interval: 500, axisLine: { symbol: ['none', 'arrow'], lineStyle: { color: '#8895A2', } }, splitLine: { show: false }, axisLabel: { textStyle: { color: '#8895A2', fontSize: 12 } } }, series: [{ data: [[0, 0], [60, 2200]], type: 'line' },{ data: [[30, 0], [90, 2200]], type: 'line' }] }