地图数据NAN，数据已成功接收echarts 地图配置项内容和展示

      option = {
    title: {
        text: '用户分布统计',
        subtext: '后台统计',
        x: 'center'
    },
    tooltip: {
        trigger: 'item',
        formatter: '{a}<br> {b} : {c}'
    },
    legend: {
        orient: 'vertical',
        x: 'left',
        data: ['用户']
    },
    dataRange: {
        min: 0,
        max: 10,
        x: 'left',
        y: 'bottom',
        text: ['高', '低'], // 文本，默认为数值文本
        calculable: true
    },
    toolbox: {
        show: true,
        orient: 'vertical',
        x: 'right',
        y: 'center',
        feature: {
            dataView: {
                show: true,
            },
            restore: {
                show: true
            },
            saveAsImage: {
                show: true
            }
        }
    },

    series: [{
        name: '用户',
        type: 'map',
        mapType: 'china',
        roam: false,
        label: {
            normal: {
                show: true,
            },
            emphasis: {
                show: true
            }
        },
        itemStyle: {
            normal: {
                label: {
                    show: true
                }
            },
            emphasis: {
                label: {
                    show: true
                }
            }
        },
        data: (function() {
            var res = [];
            //var len = province.length;
            for (var i = 0; i < province.length; i++) {
                res.push({
                    name: province[i],
                    value: num[i]
                });
            }

            /*
            while(len--){
            	res.push({
            		name:province[len],
            		value:num[len]
            	});
            }
             */
            return res;
        })(),
    }, ]
};