wepy.onBluetoothDeviceFound(function({devices}) {

        var array = []

        devices.forEach((item) => {

          console.log(item);

          console.log(‘advertisData’, wx.arrayBufferToBase64(item.advertisData));

          if (item.advertisData) {

            var string = wx.arrayBufferToBase64(item.advertisData)

            array.push({deviceId: item.deviceId, name: item.name, data: string})

          }

        })

        self.deviceList = self.deviceList.concat(array)

        self.$apply()

      })