const mk: Marker = {
  id: 200,
  alpha: 1,
  latitude: Number(rider.result.rider_lat),
  longitude: Number(rider.result.rider_lng),
  width: scalePx2dp(144, false),
  height: scalePx2dp(160, false),
  iconPath: getSrc(riderAvatarDelivery[delivery.company], 140)
}
if (content) {
  mk.callout = {
    content: content,
    color: '#343434',
    fontSize: 14,
    borderRadius: 2,
    borderWidth: 0,
    borderColor: '#fff',
    bgColor: '#fff',
    padding: 8,
    textAlign: 'center',
    display: 'ALWAYS'
  }
}

marker图片是https地址。这bug情况偶现。