message: change back to motion
diff: @@ -391,7 +391,7 @@ function _updateWebcamDevice(producer: FiresideRTCProducer) {
  const track = await AgoraRTC.createCameraVideoTrack({
  cameraId: deviceId,
  - optimizationMode: 'detail',
  + optimizationMode: 'motion',
  encoderConfig: {
  bitrateMax: 5_000,
  width: { max: 1280, ideal: 1280 },
  