echarts遷徙圖的問題(跨省，跨國(guó)都實(shí)現(xiàn)了，跨市的顯示有問題)

業(yè)務(wù)需求有三個(gè)遷徙圖，別的省城市遷徙到西安，別的國(guó)家城市遷徙到西安，這兩個(gè)圖都實(shí)現(xiàn)了，但是陜西省別的城市遷徙到西安的圖顯示不正常，擠成一堆了。

代碼：
1.
require('echarts/map/js/world')
require('echarts/map/js/china')
require('echarts/map/js/province/shanxi')
2.

    var geoCoordMap = {
      '寶雞': [107.163077,34.371093],
      '漢中': [106.942309,33.141722],
      '安康': [109.002806,32.676143],
      '商洛': [110.106644,33.881481],
      '延安': [109.959466,36.508866],
      '榆林': [110.106644,38.241299],
      '西安': [108.929217,34.371093]

    };
     var BJData = [
      [{name:'西安'}, {name:'榆林',value:95}],
      [{name:'西安'}, {name:'安康',value:90}],
      [{name:'西安'}, {name:'漢中',value:80}],
      [{name:'西安'}, {name:'寶雞',value:70}]

    ];