const requestId = Date.now();

const data = {"prefix":queryString,"saleScope":"2","stationType":"0","organId":"","channelAgentId":"1","divisionId":"450102"}
getStationCode(data).then(response => {
  // 如果请求已经过期
  if (latestRequestId > requestId) {
    return;
  }
  var list = response.data.data;
  // console.log(list);
  const suggestions = list.map(item => ({
    ...item,
    value: item.value // 指定显示字段
  }))

  // console.log("suggestions:",suggestions);
  // 通过callback返回处理后的数据
  callback(suggestions)
  latestRequestId = requestId;