摄像头抓拍问题

wyyzxml

sudo fswebcam -d /dev/video0 -r 320x240 --bottom-banner --title "Car" --no-timestamp /home/pi/car_capture.jpg
--- Opening /dev/video0...
Trying source module v4l2...
/dev/video0 opened.
No input was specified, using the first.
--- Capturing frame...
Corrupt JPEG data: premature end of data segment
Captured frame in 0.00 seconds.
--- Processing captured image...
Putting banner at the bottom.
Setting title "Car".
Clearing timestamp.
Writing JPEG image to '/home/pi/car_capture.jpg'.

抓拍的时候，有红色的信息。
如何破？