echart地图隐藏南海诸岛

option = {
   tooltip: {
    trigger: 'item'
   },
   series: [
    {
      itemStyle: {
       normal: {
          color: function (params) {
           var colorList = [
            '#C1232B', '#B5C334', '#FCCE10', '#E87C25', '#27727B',
            '#FE8463', '#9BCA63', '#FAD860', '#F3A43B', '#60C0DD',
            '#D7504B', '#C6E579', '#F4E001', '#F0805A', '#26C0C0'
           ];
           return colorList[params.dataIndex]
          },
          
         }
        },
     name: 'iphone3',
     type: 'map',
     left:"20px",
     top:"10px",
     mapType: 'china',
     roam: false,
     label: {
      normal: {
       show: false
      },
      emphasis: {
       show: true
      }
     },
     data:[
      {
      	name:"南海诸岛",value:0,
      	itemStyle:{
      		normal:{opacity:0,label:{show:false}}
      	}
      },
      {name: '北京',value: randomData() },
      {name: '天津',value: randomData() },
      {name: '上海',value: randomData() },
      {name: '重庆',value: randomData() },
      {name: '河北',value: randomData() },
      {name: '河南',value: randomData() },
      {name: '云南',value: randomData() },
      {name: '辽宁',value: randomData() },
      {name: '黑龙江',value: randomData() },
      {name: '湖南',value: randomData() },
      {name: '安徽',value: randomData() },
      {name: '山东',value: randomData() },
      {name: '新疆',value: randomData() },
      {name: '江苏',value: randomData() },
      {name: '浙江',value: randomData() },
      {name: '江西',value: randomData() },
      {name: '湖北',value: randomData() },
      {name: '广西',value: randomData() },
      {name: '甘肃',value: randomData() },
      {name: '山西',value: randomData() },
      {name: '内蒙古',value: randomData() },
      {name: '陕西',value: randomData() },
      {name: '吉林',value: randomData() },
      {name: '福建',value: randomData() },
      {name: '贵州',value: randomData() },
      {name: '广东',value: randomData() },
      {name: '青海',value: randomData() },
      {name: '西藏',value: randomData() },
      {name: '四川',value: randomData() },
      {name: '宁夏',value: randomData() },
      {name: '海南',value: randomData() },
      {name: '台湾',value: randomData() },
      {name: '香港',value: randomData() },
      {name: '澳门',value: randomData() }
     ]
    
    }
   ]
  };