option = {
    polar: {
        radiusAxis: {
            type: 'category',
            data: ['A', 'B', 'C', 'D', 'E'],
            axisPointer: {
                show: true,
                type: 'line',
                label: {
                    show: true,
                    formatter: '{value}',
                    precision: 2,
                    backgroundColor: 'rgba(0,0,0,0.7)',
                    color: '#fff',
                    padding: [5, 10],
                    borderRadius: 3,
                    shadowBlur: 5,
                    shadowColor: 'rgba(0, 0, 0, 0.5)',
                },
                lineStyle: {
                    color: 'red', // 指示器线条颜色
                    width: 2, // 指示器线条宽度
                    type: 'dashed', // 线条类型，可选为 'solid'、'dashed'、'dotted'
                    opacity: 0.7, // 线条透明度
                    // 其他线条样式配置...
                },
                // 其他配置...
            },
            // 其他配置...
        },
        // 其他配置...
    },
    // 其他配置...
};