# 设备 SN 码

wmpf.getDeviceSerialNumber({
  success: function(res) {
    console.log(res.serialNumber)
  },
  fail: function(res) {
    console.log(res)
  }
})

try {
  let res = wmpf.getDeviceSerialNumberSync()
  console.log(res.serialNumber)
} catch (e) {
  console.log(e)
}