// initTopo 函数中
   self.graph.get('canvas').set('localRefresh', false)

// 分组样式
comboStyle: {
  default: {
    fill: 'rgba(0,0,0,0)', // 填充颜色
      stroke: '#00ffff', // 设置字体颜色
        lineWidth: 2
  },
    hover: {
      lineWidth: 3,
        fill: 'rgba(0,0,0,0)'
    },
      selected: {
        fill: 'rgba(0,0,0,0)',
          stroke: '#00ffff'
      }
},
  // 分组标签样式
  comboLabelCfg: {
    position: 'top',
      style: {
        fontSize: 20,
          fill: '#fff'
      }
  }

new G6.Graph({
  renderer: "svg",
  ...
})

edge.style.endArrow = {
  path: G6.Arrow.triangle(10, 20, 25),
  d: 25,
  fill: '#f00',
  stroke: '#0f0',
  opacity: 0.5,
  lineWidth: 3,
}

const gatewayImg = require('@/gplot/assets/images/gateway.png') // 网闸

console.log(gatewayImg)  //  /static/img/gateway.f2da911.png