option = { backgroundColor: 'black', angleAxis: { type: "value", min: 0, max: 200, axisLine: { show: false }, axisTick: { show: false }, splitLine: { show: false }, axisLabel: { show: false } }, radiusAxis: { type: "category", data: ["PM2.5", "PM10", "CO", "NO2", "O3", "SO2"], z: 100, axisLine: { show: false }, axisTick: { show: false }, axisLabel: { show: true, margin: 6, fontSize: 10, textStyle: { color: "#96F5F6" }, interval: 0 } }, polar: { center: ["51%", "40%"] }, tooltip: { show: true }, series: [ { type: "bar", barWidth: "30%", data: [12], coordinateSystem: "polar", name: "PM2.5", stack: "a", roundCap: true, itemStyle: { color: "#BFA27C", barBorderRadius: 5 }, showBackground: true, backgroundStyle: { color: "#27333F", barBorderRadius: 50 } }, { type: "bar", data: [0, 25, 0, 0], coordinateSystem: "polar", name: "PM10", stack: "a", roundCap: true, itemStyle: { color: "#328CD9" }, showBackground: true, backgroundStyle: { color: "#27333F" } }, { type: "bar", data: [0, 0, 40, 0], coordinateSystem: "polar", name: "CO", stack: "a", roundCap: true, itemStyle: { color: "#1FB4A7", barBorderRadius: 5 }, showBackground: true, backgroundStyle: { color: "#27333F" } }, { type: "bar", data: [0, 0, 0, 60], coordinateSystem: "polar", name: "NO2", stack: "a", roundCap: true, itemStyle: { color: "#424CB9", barBorderRadius: 5 }, showBackground: true, backgroundStyle: { color: "#27333F" } }, { type: "bar", data: [0, 0, 0, 0, 80], coordinateSystem: "polar", name: "O3", stack: "a", roundCap: true, itemStyle: { color: "#255CB9", barBorderRadius: 5 }, showBackground: true, backgroundStyle: { color: "#27333F" } }, { type: "bar", data: [0, 0, 0, 0, 0, 80], coordinateSystem: "polar", name: "SO2", stack: "a", roundCap: true, itemStyle: { color: "#213AF9", barBorderRadius: 5 }, showBackground: true, backgroundStyle: { color: "#27333F" } } ], legend: { bottom: 6, icon: "circle", itemHeight: 10, show: true, data: ["PM2.5", "PM10", "CO", "NO2", "O3", "SO2"], selectedMode: false, textStyle: { color: "#96F5F6", fontSize: 8 } } }