散点图为什么不出现echarts continuous配置项内容和展示

地图下钻可以正常使用,想在某些城市出现散点图,可是没有出现,也没有报错

配置项如下
      
const provinces = {
  //23个省
  "台湾": "taiwan",
  "河北": "hebei",
  "山西": "shanxi",
  "辽宁": "liaoning",
  "吉林": "jilin",
  "黑龙江": "heilongjiang",
  "江苏": "jiangsu",
  "浙江": "zhejiang",
  "安徽": "anhui",
  "福建": "fujian",
  "江西": "jiangxi",
  "山东": "shandong",
  "河南": "henan",
  "湖北": "hubei",
  "湖南": "hunan",
  "广东": "guangdong",
  "海南": "hainan",
  "四川": "sichuan",
  "贵州": "guizhou",
  "云南": "yunnan",
  "陕西": "shanxi1",
  "甘肃": "gansu",
  "青海": "qinghai",
  //5个自治区
  "新疆": "xinjiang",
  "广西": "guangxi",
  "内蒙古": "neimenggu",
  "宁夏": "ningxia",
  "西藏": "xizang",
  //4个直辖市
  "北京": "beijing",
  "天津": "tianjin",
  "上海": "shanghai",
  "重庆": "chongqing",
  //2个特别行政区
  "香港": "xianggang",
  "澳门": "aomen"
};
export default {
  data() {
    return {
      special: ["北京", "天津", "上海", "重庆", "香港", "澳门"],
      mapdata: [],
      originalValue: [], // 保存最初的全国地图的 series 的 data
      option: {
        title: {
          text: '全国终端分布',
          subtext: '下钻',
          // link: '',
          left: 'center',
          textStyle: {
            color: '#fff',
            fontSize: 16,
            fontWeight: 'normal',
            fontFamily: "Microsoft YaHei"
          },
          subtextStyle: {
            color: '#ccc',
            fontSize: 13,
            fontWeight: 'normal',
            fontFamily: "Microsoft YaHei"
          }
        },
        tooltip: {
          trigger: 'item',
          formatter: '{b}'
        },
        // toolbox: {
        //   show: true,
        //   orient: 'vertical',
        //   left: 'right',
        //   top: 'center',
        //   feature: {
        //     dataView: { readOnly: false },
        //     restore: {},
        //     saveAsImage: {}
        //   },
        //   iconStyle: {
        //     normal: {
        //       color: '#fff'
        //     }
        //   }
        // },
        animationDuration: 1000,
        animationEasing: 'cubicOut',
        animationDurationUpdate: 1000,
        visualMap: {
          type: 'continuous',
          min: 0,
          max: 300,
          text: ['High', 'Low'],
          realtime: false,
          calculable: true,
          color: ['orangered', 'yellow', 'lightskyblue']
        },
      },
      geoCoordMap: {}
    }
  },
  methods: {
    initChart() {
      let chart = $echarts.init(document.getElementById('main'));
      let _self = this;
      $axios.get('/map/china.json')
        .then(function (res) {
          let d = [];
          for (var i = 0; i < res.data.features.length; i++) {
            d.push({
              name: res.data.features[i].properties.name,
              value: Math.random() * 100
            })
          }
          _self.mapdata = d;
          _self.originalValue = d;
          //注册地图
          $echarts.registerMap('china', res.data);
          //绘制地图
          _self.renderMap('china', d);
        });
      //地图点击事件
      chart.on('click', function (params) {
        // console.log( params );
        if (params.name in provinces) {
          //如果点击的是34个省、市、自治区,绘制选中地区的二级地图
          $axios.get('/map/province/' + provinces[params.name] + '.json')
            .then(function (res) {
              $echarts.registerMap(params.name, res.data);
              var d = [];
              for (var i = 0; i < res.data.features.length; i++) {
                d.push({
                  name: res.data.features[i].properties.name,
                  value: Math.random() * 100
                })
              }
              _self.renderMap(params.name, d);
            });
        } else if (params.seriesName in provinces) {
          //如果是【直辖市/特别行政区】只有二级下钻
          if (_self.special.indexOf(params.seriesName) >= 0) {
            _self.renderMap('china', _self.mapdata);
          } else {
            //显示县级地图
            $axios.get('/map/city/' + cityMap[params.name] + '.json')
              .then(function (res) {
                $echarts.registerMap(params.name, res.data);
                var d = [];
                for (var i = 0; i < res.data.features.length; i++) {
                  d.push({
                    name: res.data.features[i].properties.name,
                    value: Math.random() * 100
                  })
                }
                _self.renderMap(params.name, d);
              });
          }
        } else {
          _self.renderMap('china', _self.originalValue);
        }
      });
    },
    renderMap(map, data) {
      let chart = $echarts.init(document.getElementById('main'));
      this.option.title.subtext = map;
      this.option.series = [
        {
          name: '散点图',
          type: 'scatter',
          coordinateSystem: 'geo',
          data: [{    //  散点图坐标
            name: '四川',
            value: 74.45994346808655
          }],
          symbolSize: 10,
          showEffectOn: 'render',
          rippleEffect: {
            brushType: 'stroke'
          },
          hoverAnimation: true,
          label: {
            normal: {
              position: 'right',
              show: true
            }
          },
          itemStyle: {
            normal: {
              color: '#000',
              shadowBlur: 10,
              shadowColor: '#333'
            }
          },
          zlevel: 100
        },
        {
          name: map,
          type: 'map',
          mapType: map,
          roam: false,
          nameMap: {
            'china': '中国'
          },
          label: {
            normal: {
              show: true,
              textStyle: {
                color: '#999',
                fontSize: 13
              }
            },
            emphasis: {
              show: true,
              textStyle: {
                color: '#fff',
                fontSize: 13
              }
            }
          },
          itemStyle: {
            normal: {
              areaColor: '#323c48',
              borderColor: 'dodgerblue'
            },
            emphasis: {
              areaColor: 'darkorange'
            }
          },
          data: data
        }
      ];
      //渲染地图
      chart.setOption(this.option);
    }
  },
  mounted() {
    this.initChart();
  }
}


    
截图如下