fix: Fixed the issue that mjpg_streamer could not start (#40)

Author: kluoyun

config/supervisord.conf

@@ -46,7 +46,7 @@ autorestart=true
 redirect_stderr=true
 
 [program:webcamd]
-command=/home/printer/mjpg-streamer/mjpg_streamer -i "input_file.so -e -d 0.8 -f /home/printer/webcam_images" -o "output_http.so -w /home/printer/mjpg-streamer/www"
+command=/home/printer/mjpg-streamer/mjpg_streamer -i "input_file.so -e -d 0.8 -f /home/printer/mjpg_streamer_images" -o "output_http.so -w /home/printer/mjpg-streamer/www"
 user=printer
 process_name=webcamd
 directory=/home/printer