我在网页中调用CGI程序打开mjpg-streamer服务器时，控制台输出
ar/www/cgi-bin # MJPG-streamer [1126]: starting application
MJPG-streamer [1126]: MJPG Streamer Version.: 2.0

MJPG-streamer [1126]: Using V4L2 device.: /devideo0

MJPG-streamer [1126]: Desired Resolution: 640 x 480

MJPG-streamer [1126]: Frames Per Second.: 5

MJPG-streamer [1126]: Format............: MJPEG

MJPG-streamer [1126]: www-folder-path...: disabled

MJPG-streamer [1126]: HTTP TCP port.....: 8080

MJPG-streamer [1126]: username:password.: disabled

MJPG-streamer [1126]: commands..........: enabled

MJPG-streamer [1126]: starting input plugin
MJPG-streamer [1126]: starting output plugin: output_http.so (ID: 00)
此时视频服务器没有打开。
但是我在控制台执行CGI程序是输出：
MJPG-streamer [1129]: starting application
MJPG Streamer Version.: 2.0
MJPG-streamer [1129]: MJPG Streamer Version.: 2.0

i: Using V4L2 device.: /devideo0
MJPG-streamer [1129]: Using V4L2 device.: /devideo0

i: Desired Resolution: 640 x 480
MJPG-streamer [1129]: Desired Resolution: 640 x 480

i: Frames Per Second.: 5
MJPG-streamer [1129]: Frames Per Second.: 5

i: Format............: MJPEG
MJPG-streamer [1129]: Format............: MJPEG

o: www-folder-path...: disabled
MJPG-streamer [1129]: www-folder-path...: disabled

o: HTTP TCP port.....: 8080
MJPG-streamer [1129]: HTTP TCP port.....: 8080

o: username:password.: disabled
MJPG-streamer [1129]: username:password.: disabled

o: commands..........: enabled
MJPG-streamer [1129]: commands..........: enabled

MJPG-streamer [1129]: starting input plugin
MJPG-streamer [1129]: starting output plugin: output_http.so (ID: 00)
正常打开视频服务器。
我不知道网页中打开视频服务器的错误如何解决