option = { backgroundColor: "black", xAxis: { data: ['1月', '2月', '3月', '4月', '5月', '6月', '7月', '8月'], axisLine: { show: false }, axisLabel: { color: "#A3C7E7", margin: 20 } }, yAxis: { axisLine: { show: false }, splitLine: { show: false }, axisLabel: { color: "#96F5F6" } }, series: [{ type: 'line', data: [32, 30, 15, 45, 35, 28, 34], itemStyle: { color: "green" }, symbol: 'circle', symbolSize: 6 }, { type: 'line', data: [17, 20, 28, 22, 27, 17, 29, 19], itemStyle: { color: "red" }, symbol: 'circle', symbolSize: 6 }, { type: 'line', data: [16, 11, 1, 28, 17, 9, 16], itemStyle: { color: "blue" }, symbol: 'circle', symbolSize: 6 }, { type: 'line', data: [0, 3, 9, 5, 9, 2, 10, 2], itemStyle: { color: "orange" }, symbol: 'circle', symbolSize: 6 } ] };