is neither an array nor a List nor a Map

let params = {}
      params['busLine.name'] = '测试自定义线路'
      params['busLine.beginDate'] = '2019-12-12'
      params['busLine.endDate'] = '2019-12-12'
      params['busLine.lineType'] = '1'
      params['busLine.startTime'] = '09:00'
      params['busLine.busId'] = '544b0b9c348d8c706b452c0f035119ef'
      params['busLineStations[0].stationName'] = 'ssss'
      params['busLineStations[0].latitude'] = '1'
      params['busLineStations[0].address'] = '2'
      params['busLineStations[0].longitude'] = '3'
      params['busLineStations[0].arriveTime'] = '08:00'

      custom(params).then(res => {
        console.log(res) // 这是接口
      })

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