我用的是8.04，设置了上海交大的更新源，
deb http://ftp.sjtu.edu.cn/ubuntu/ hardy main multiverse restricted universe
deb http://ftp.sjtu.edu.cn/ubuntu/ hardy-backports main multiverse restricted universe
deb http://ftp.sjtu.edu.cn/ubuntu/ hardy-proposed main multiverse restricted universe
deb http://ftp.sjtu.edu.cn/ubuntu/ hardy-security main multiverse restricted universe
deb http://ftp.sjtu.edu.cn/ubuntu/ hardy-updates main multiverse restricted universe
deb-src http://ftp.sjtu.edu.cn/ubuntu/ hardy main multiverse restricted universe
deb-src http://ftp.sjtu.edu.cn/ubuntu/ hardy-backports main multiverse restricted universe
deb-src http://ftp.sjtu.edu.cn/ubuntu/ hardy-proposed main multiverse restricted universe
deb-src http://ftp.sjtu.edu.cn/ubuntu/ hardy-security main multiverse restricted universe
deb-src http://ftp.sjtu.edu.cn/ubuntu/ hardy-updates main multiverse restricted universe
同时还用了代理服务器，apt-get update的时候出现这些错误提示，不知道怎么解决呢？是不是要停止使用代理呢？不过好像是上交的源不行吧？

Cannot initiate the connection to 80:80 (0.0.0.80). - connect (22 Invalid argument)
Err http://ftp.sjtu.edu.cn hardy-security/universe Translation-en_US
Cannot initiate the connection to 80:80 (0.0.0.80). - connect (22 Invalid argument)
Err http://ftp.sjtu.edu.cn hardy-updates Release.gpg
Cannot initiate the connection to 80:80 (0.0.0.80). - connect (22 Invalid argument)
Err http://ftp.sjtu.edu.cn hardy-updates/main Translation-en_US
Cannot initiate the connection to 80:80 (0.0.0.80). - connect (22 Invalid argument)
Err http://ftp.sjtu.edu.cn hardy-updates/multiverse Translation-en_US
Cannot initiate the connection to 80:80 (0.0.0.80). - connect (22 Invalid argument)
Err http://ftp.sjtu.edu.cn hardy-updates/restricted Translation-en_US
Cannot initiate the connection to 80:80 (0.0.0.80). - connect (22 Invalid argument)
Err http://ftp.sjtu.edu.cn hardy-updates/universe Translation-en_US
Cannot initiate the connection to 80:80 (0.0.0.80). - connect (22 Invalid argument)
Err http://www.linuxcnc.org hardy Release.gpg
Cannot initiate the connection to 80:80 (0.0.0.80). - connect (22 Invalid argument)
Err http://www.linuxcnc.org hardy/base Translation-en_US
Cannot initiate the connection to 80:80 (0.0.0.80). - connect (22 Invalid argument)
Err http://www.linuxcnc.org hardy/emc2.3 Translation-en_US
Cannot initiate the connection to 80:80 (0.0.0.80). - connect (22 Invalid argument)
Ign http://ftp.sjtu.edu.cn hardy Release
Ign http://ftp.sjtu.edu.cn hardy-backports Release
Ign http://ftp.sjtu.edu.cn hardy-proposed Release
Ign http://ftp.sjtu.edu.cn hardy-security Release
Ign http://ftp.sjtu.edu.cn hardy-updates Release
Ign http://www.linuxcnc.org hardy Release
Ign http://ftp.sjtu.edu.cn hardy/main Packages
Ign http://ftp.sjtu.edu.cn hardy/multiverse Packages
Ign http://ftp.sjtu.edu.cn hardy/restricted Packages
Ign http://ftp.sjtu.edu.cn hardy/universe Packages
Ign http://ftp.sjtu.edu.cn hardy/main Sources
Ign http://ftp.sjtu.edu.cn hardy/multiverse Sources
Ign http://ftp.sjtu.edu.cn hardy/restricted Sources
Ign http://ftp.sjtu.edu.cn hardy/universe Sources
Ign http://ftp.sjtu.edu.cn hardy-backports/main Packages
Ign http://ftp.sjtu.edu.cn hardy-backports/multiverse Packages
Ign http://ftp.sjtu.edu.cn hardy-backports/restricted Packages
Ign http://ftp.sjtu.edu.cn hardy-backports/universe Packages
Ign http://ftp.sjtu.edu.cn hardy-backports/main Sources
Ign http://ftp.sjtu.edu.cn hardy-backports/multiverse Sources
Ign http://ftp.sjtu.edu.cn hardy-backports/restricted Sources
Ign http://ftp.sjtu.edu.cn hardy-backports/universe Sources
Ign http://ftp.sjtu.edu.cn hardy-proposed/main Packages
Ign http://ftp.sjtu.edu.cn hardy-proposed/multiverse Packages
Ign http://ftp.sjtu.edu.cn hardy-proposed/restricted Packages
Ign http://ftp.sjtu.edu.cn hardy-proposed/universe Packages
Ign http://ftp.sjtu.edu.cn hardy-proposed/main Sources
Ign http://ftp.sjtu.edu.cn hardy-proposed/multiverse Sources
Ign http://ftp.sjtu.edu.cn hardy-proposed/restricted Sources
Ign http://ftp.sjtu.edu.cn hardy-proposed/universe Sources
Ign http://ftp.sjtu.edu.cn hardy-security/main Packages
Ign http://ftp.sjtu.edu.cn hardy-security/multiverse Packages
Ign http://ftp.sjtu.edu.cn hardy-security/restricted Packages
Ign http://ftp.sjtu.edu.cn hardy-security/universe Packages
Ign http://ftp.sjtu.edu.cn hardy-security/main Sources
Ign http://ftp.sjtu.edu.cn hardy-security/multiverse Sources
Ign http://ftp.sjtu.edu.cn hardy-security/restricted Sources
Ign http://ftp.sjtu.edu.cn hardy-security/universe Sources
Ign http://www.linuxcnc.org hardy/base Packages
Ign http://ftp.sjtu.edu.cn hardy-updates/main Packages
Ign http://ftp.sjtu.edu.cn hardy-updates/multiverse Packages
Ign http://ftp.sjtu.edu.cn hardy-updates/restricted Packages
Ign http://ftp.sjtu.edu.cn hardy-updates/universe Packages
Ign http://ftp.sjtu.edu.cn hardy-updates/main Sources
Ign http://ftp.sjtu.edu.cn hardy-updates/multiverse Sources
Ign http://ftp.sjtu.edu.cn hardy-updates/restricted Sources
Ign http://ftp.sjtu.edu.cn hardy-updates/universe Sources
Err http://ftp.sjtu.edu.cn hardy/main Packages
Cannot initiate the connection to 80:80 (0.0.0.80). - connect (22 Invalid argument)
Err http://ftp.sjtu.edu.cn hardy/multiverse Packages
Cannot initiate the connection to 80:80 (0.0.0.80). - connect (22 Invalid argument)
Err http://ftp.sjtu.edu.cn hardy/restricted Packages
Cannot initiate the connection to 80:80 (0.0.0.80). - connect (22 Invalid argument)
Err http://ftp.sjtu.edu.cn hardy/universe Packages
Cannot initiate the connection to 80:80 (0.0.0.80). - connect (22 Invalid argument)
Err http://ftp.sjtu.edu.cn hardy/main Sources
Cannot initiate the connection to 80:80 (0.0.0.80). - connect (22 Invalid argument)
Err http://ftp.sjtu.edu.cn hardy/multiverse Sources
Cannot initiate the connection to 80:80 (0.0.0.80). - connect (22 Invalid argument)
Err http://ftp.sjtu.edu.cn hardy/restricted Sources
Cannot initiate the connection to 80:80 (0.0.0.80). - connect (22 Invalid argument)
Err http://ftp.sjtu.edu.cn hardy/universe Sources
Cannot initiate the connection to 80:80 (0.0.0.80). - connect (22 Invalid argument)
Err http://ftp.sjtu.edu.cn hardy-backports/main Packages
Cannot initiate the connection to 80:80 (0.0.0.80). - connect (22 Invalid argument)
Err http://ftp.sjtu.edu.cn hardy-backports/multiverse Packages
Cannot initiate the connection to 80:80 (0.0.0.80). - connect (22 Invalid argument)
Err http://ftp.sjtu.edu.cn hardy-backports/restricted Packages
Cannot initiate the connection to 80:80 (0.0.0.80). - connect (22 Invalid argument)
Err http://ftp.sjtu.edu.cn hardy-backports/universe Packages
Cannot initiate the connection to 80:80 (0.0.0.80). - connect (22 Invalid argument)
Err http://ftp.sjtu.edu.cn hardy-backports/main Sources
Cannot initiate the connection to 80:80 (0.0.0.80). - connect (22 Invalid argument)
Err http://ftp.sjtu.edu.cn hardy-backports/multiverse Sources
Cannot initiate the connection to 80:80 (0.0.0.80). - connect (22 Invalid argument)
Err http://ftp.sjtu.edu.cn hardy-backports/restricted Sources
Cannot initiate the connection to 80:80 (0.0.0.80). - connect (22 Invalid argument)
Err http://ftp.sjtu.edu.cn hardy-backports/universe Sources
Cannot initiate the connection to 80:80 (0.0.0.80). - connect (22 Invalid argument)
Err http://ftp.sjtu.edu.cn hardy-proposed/main Packages
Cannot initiate the connection to 80:80 (0.0.0.80). - connect (22 Invalid argument)
Err http://ftp.sjtu.edu.cn hardy-proposed/multiverse Packages
Cannot initiate the connection to 80:80 (0.0.0.80). - connect (22 Invalid argument)
Err http://ftp.sjtu.edu.cn hardy-proposed/restricted Packages
Cannot initiate the connection to 80:80 (0.0.0.80). - connect (22 Invalid argument)
Err http://ftp.sjtu.edu.cn hardy-proposed/universe Packages
Cannot initiate the connection to 80:80 (0.0.0.80). - connect (22 Invalid argument)
Err http://ftp.sjtu.edu.cn hardy-proposed/main Sources
Cannot initiate the connection to 80:80 (0.0.0.80). - connect (22 Invalid argument)
Err http://ftp.sjtu.edu.cn hardy-proposed/multiverse Sources
Cannot initiate the connection to 80:80 (0.0.0.80). - connect (22 Invalid argument)
Err http://ftp.sjtu.edu.cn hardy-proposed/restricted Sources
Cannot initiate the connection to 80:80 (0.0.0.80). - connect (22 Invalid argument)
Err http://ftp.sjtu.edu.cn hardy-proposed/universe Sources
Cannot initiate the connection to 80:80 (0.0.0.80). - connect (22 Invalid argument)
Err http://ftp.sjtu.edu.cn hardy-security/main Packages
Cannot initiate the connection to 80:80 (0.0.0.80). - connect (22 Invalid argument)
Err http://ftp.sjtu.edu.cn hardy-security/multiverse Packages
Cannot initiate the connection to 80:80 (0.0.0.80). - connect (22 Invalid argument)
Err http://ftp.sjtu.edu.cn hardy-security/restricted Packages
Cannot initiate the connection to 80:80 (0.0.0.80). - connect (22 Invalid argument)
Err http://ftp.sjtu.edu.cn hardy-security/universe Packages
Cannot initiate the connection to 80:80 (0.0.0.80). - connect (22 Invalid argument)
Err http://ftp.sjtu.edu.cn hardy-security/main Sources
Cannot initiate the connection to 80:80 (0.0.0.80). - connect (22 Invalid argument)
Err http://ftp.sjtu.edu.cn hardy-security/multiverse Sources
Cannot initiate the connection to 80:80 (0.0.0.80). - connect (22 Invalid argument)
Err http://ftp.sjtu.edu.cn hardy-security/restricted Sources
Cannot initiate the connection to 80:80 (0.0.0.80). - connect (22 Invalid argument)
Ign http://www.linuxcnc.org hardy/emc2.3 Packages
Ign http://www.linuxcnc.org hardy/base Sources
Ign http://www.linuxcnc.org hardy/emc2.3 Sources
Err http://ftp.sjtu.edu.cn hardy-security/universe Sources
Cannot initiate the connection to 80:80 (0.0.0.80). - connect (22 Invalid argument)
Err http://ftp.sjtu.edu.cn hardy-updates/main Packages
Cannot initiate the connection to 80:80 (0.0.0.80). - connect (22 Invalid argument)
Err http://ftp.sjtu.edu.cn hardy-updates/multiverse Packages
Cannot initiate the connection to 80:80 (0.0.0.80). - connect (22 Invalid argument)
Err http://ftp.sjtu.edu.cn hardy-updates/restricted Packages
Cannot initiate the connection to 80:80 (0.0.0.80). - connect (22 Invalid argument)
Err http://ftp.sjtu.edu.cn hardy-updates/universe Packages
Cannot initiate the connection to 80:80 (0.0.0.80). - connect (22 Invalid argument)
Err http://ftp.sjtu.edu.cn hardy-updates/main Sources
Cannot initiate the connection to 80:80 (0.0.0.80). - connect (22 Invalid argument)
Err http://ftp.sjtu.edu.cn hardy-updates/multiverse Sources
Cannot initiate the connection to 80:80 (0.0.0.80). - connect (22 Invalid argument)
Err http://ftp.sjtu.edu.cn hardy-updates/restricted Sources
Cannot initiate the connection to 80:80 (0.0.0.80). - connect (22 Invalid argument)
Err http://ftp.sjtu.edu.cn hardy-updates/universe Sources
Cannot initiate the connection to 80:80 (0.0.0.80). - connect (22 Invalid argument)
Err http://www.linuxcnc.org hardy/base Packages
Cannot initiate the connection to 80:80 (0.0.0.80). - connect (22 Invalid argument)
Err http://www.linuxcnc.org hardy/emc2.3 Packages
Cannot initiate the connection to 80:80 (0.0.0.80). - connect (22 Invalid argument)
Err http://www.linuxcnc.org hardy/base Sources
Cannot initiate the connection to 80:80 (0.0.0.80). - connect (22 Invalid argument)
Err http://www.linuxcnc.org hardy/emc2.3 Sources
Cannot initiate the connection to 80:80 (0.0.0.80). - connect (22 Invalid argument)
W: Failed to fetch http://ftp.sjtu.edu.cn/ubuntu/dists/hardy/Release.gpg Cannot initiate the connection to 80:80 (0.0.0.80). - connect (22 Invalid argument)

W: Failed to fetch http://ftp.sjtu.edu.cn/ubuntu/dists/har ... -en_US.bz2 Cannot initiate the connection to 80:80 (0.0.0.80). - connect (22 Invalid argument)

W: Failed to fetch http://ftp.sjtu.edu.cn/ubuntu/dists/har ... -en_US.bz2 Cannot initiate the connection to 80:80 (0.0.0.80). - connect (22 Invalid argument)

W: Failed to fetch http://ftp.sjtu.edu.cn/ubuntu/dists/har ... -en_US.bz2 Cannot initiate the connection to 80:80 (0.0.0.80). - connect (22 Invalid argument)

W: Failed to fetch http://ftp.sjtu.edu.cn/ubuntu/dists/har ... -en_US.bz2 Cannot initiate the connection to 80:80 (0.0.0.80). - connect (22 Invalid argument)

W: Failed to fetch http://ftp.sjtu.edu.cn/ubuntu/dists/har ... elease.gpg Cannot initiate the connection to 80:80 (0.0.0.80). - connect (22 Invalid argument)

W: Failed to fetch http://ftp.sjtu.edu.cn/ubuntu/dists/har ... -en_US.bz2 Cannot initiate the connection to 80:80 (0.0.0.80). - connect (22 Invalid argument)

W: Failed to fetch http://ftp.sjtu.edu.cn/ubuntu/dists/har ... -en_US.bz2 Cannot initiate the connection to 80:80 (0.0.0.80). - connect (22 Invalid argument)

W: Failed to fetch http://ftp.sjtu.edu.cn/ubuntu/dists/har ... -en_US.bz2 Cannot initiate the connection to 80:80 (0.0.0.80). - connect (22 Invalid argument)

W: Failed to fetch http://ftp.sjtu.edu.cn/ubuntu/dists/har ... -en_US.bz2 Cannot initiate the connection to 80:80 (0.0.0.80). - connect (22 Invalid argument)

W: Failed to fetch http://ftp.sjtu.edu.cn/ubuntu/dists/har ... elease.gpg Cannot initiate the connection to 80:80 (0.0.0.80). - connect (22 Invalid argument)

W: Failed to fetch http://ftp.sjtu.edu.cn/ubuntu/dists/har ... -en_US.bz2 Cannot initiate the connection to 80:80 (0.0.0.80). - connect (22 Invalid argument)

W: Failed to fetch http://ftp.sjtu.edu.cn/ubuntu/dists/har ... -en_US.bz2 Cannot initiate the connection to 80:80 (0.0.0.80). - connect (22 Invalid argument)

W: Failed to fetch http://ftp.sjtu.edu.cn/ubuntu/dists/har ... -en_US.bz2 Cannot initiate the connection to 80:80 (0.0.0.80). - connect (22 Invalid argument)

W: Failed to fetch http://ftp.sjtu.edu.cn/ubuntu/dists/har ... -en_US.bz2 Cannot initiate the connection to 80:80 (0.0.0.80). - connect (22 Invalid argument)

W: Failed to fetch http://ftp.sjtu.edu.cn/ubuntu/dists/har ... elease.gpg Cannot initiate the connection to 80:80 (0.0.0.80). - connect (22 Invalid argument)

W: Failed to fetch http://ftp.sjtu.edu.cn/ubuntu/dists/har ... -en_US.bz2 Cannot initiate the connection to 80:80 (0.0.0.80). - connect (22 Invalid argument)

W: Failed to fetch http://ftp.sjtu.edu.cn/ubuntu/dists/har ... -en_US.bz2 Cannot initiate the connection to 80:80 (0.0.0.80). - connect (22 Invalid argument)

W: Failed to fetch http://ftp.sjtu.edu.cn/ubuntu/dists/har ... -en_US.bz2 Cannot initiate the connection to 80:80 (0.0.0.80). - connect (22 Invalid argument)

W: Failed to fetch http://ftp.sjtu.edu.cn/ubuntu/dists/har ... -en_US.bz2 Cannot initiate the connection to 80:80 (0.0.0.80). - connect (22 Invalid argument)

W: Failed to fetch http://ftp.sjtu.edu.cn/ubuntu/dists/har ... elease.gpg Cannot initiate the connection to 80:80 (0.0.0.80). - connect (22 Invalid argument)

W: Failed to fetch http://ftp.sjtu.edu.cn/ubuntu/dists/har ... -en_US.bz2 Cannot initiate the connection to 80:80 (0.0.0.80). - connect (22 Invalid argument)

W: Failed to fetch http://ftp.sjtu.edu.cn/ubuntu/dists/har ... -en_US.bz2 Cannot initiate the connection to 80:80 (0.0.0.80). - connect (22 Invalid argument)

W: Failed to fetch http://ftp.sjtu.edu.cn/ubuntu/dists/har ... -en_US.bz2 Cannot initiate the connection to 80:80 (0.0.0.80). - connect (22 Invalid argument)

W: Failed to fetch http://ftp.sjtu.edu.cn/ubuntu/dists/har ... -en_US.bz2 Cannot initiate the connection to 80:80 (0.0.0.80). - connect (22 Invalid argument)

W: Failed to fetch http://www.linuxcnc.org/hardy/dists/hardy/Release.gpg Cannot initiate the connection to 80:80 (0.0.0.80). - connect (22 Invalid argument)

W: Failed to fetch http://www.linuxcnc.org/hardy/dists/har ... -en_US.bz2 Cannot initiate the connection to 80:80 (0.0.0.80). - connect (22 Invalid argument)

W: Failed to fetch http://www.linuxcnc.org/hardy/dists/har ... -en_US.bz2 Cannot initiate the connection to 80:80 (0.0.0.80). - connect (22 Invalid argument)

W: Failed to fetch http://ftp.sjtu.edu.cn/ubuntu/dists/har ... ackages.gz Cannot initiate the connection to 80:80 (0.0.0.80). - connect (22 Invalid argument)

W: Failed to fetch http://ftp.sjtu.edu.cn/ubuntu/dists/har ... ackages.gz Cannot initiate the connection to 80:80 (0.0.0.80). - connect (22 Invalid argument)

W: Failed to fetch http://ftp.sjtu.edu.cn/ubuntu/dists/har ... ackages.gz Cannot initiate the connection to 80:80 (0.0.0.80). - connect (22 Invalid argument)

W: Failed to fetch http://ftp.sjtu.edu.cn/ubuntu/dists/har ... ackages.gz Cannot initiate the connection to 80:80 (0.0.0.80). - connect (22 Invalid argument)

W: Failed to fetch http://ftp.sjtu.edu.cn/ubuntu/dists/har ... Sources.gz Cannot initiate the connection to 80:80 (0.0.0.80). - connect (22 Invalid argument)

W: Failed to fetch http://ftp.sjtu.edu.cn/ubuntu/dists/har ... Sources.gz Cannot initiate the connection to 80:80 (0.0.0.80). - connect (22 Invalid argument)

W: Failed to fetch http://ftp.sjtu.edu.cn/ubuntu/dists/har ... Sources.gz Cannot initiate the connection to 80:80 (0.0.0.80). - connect (22 Invalid argument)

W: Failed to fetch http://ftp.sjtu.edu.cn/ubuntu/dists/har ... Sources.gz Cannot initiate the connection to 80:80 (0.0.0.80). - connect (22 Invalid argument)

W: Failed to fetch http://ftp.sjtu.edu.cn/ubuntu/dists/har ... ackages.gz Cannot initiate the connection to 80:80 (0.0.0.80). - connect (22 Invalid argument)

W: Failed to fetch http://ftp.sjtu.edu.cn/ubuntu/dists/har ... ackages.gz Cannot initiate the connection to 80:80 (0.0.0.80). - connect (22 Invalid argument)

W: Failed to fetch http://ftp.sjtu.edu.cn/ubuntu/dists/har ... ackages.gz Cannot initiate the connection to 80:80 (0.0.0.80). - connect (22 Invalid argument)

W: Failed to fetch http://ftp.sjtu.edu.cn/ubuntu/dists/har ... ackages.gz Cannot initiate the connection to 80:80 (0.0.0.80). - connect (22 Invalid argument)

W: Failed to fetch http://ftp.sjtu.edu.cn/ubuntu/dists/har ... Sources.gz Cannot initiate the connection to 80:80 (0.0.0.80). - connect (22 Invalid argument)

W: Failed to fetch http://ftp.sjtu.edu.cn/ubuntu/dists/har ... Sources.gz Cannot initiate the connection to 80:80 (0.0.0.80). - connect (22 Invalid argument)

W: Failed to fetch http://ftp.sjtu.edu.cn/ubuntu/dists/har ... Sources.gz Cannot initiate the connection to 80:80 (0.0.0.80). - connect (22 Invalid argument)

W: Failed to fetch http://ftp.sjtu.edu.cn/ubuntu/dists/har ... Sources.gz Cannot initiate the connection to 80:80 (0.0.0.80). - connect (22 Invalid argument)

W: Failed to fetch http://ftp.sjtu.edu.cn/ubuntu/dists/har ... ackages.gz Cannot initiate the connection to 80:80 (0.0.0.80). - connect (22 Invalid argument)

W: Failed to fetch http://ftp.sjtu.edu.cn/ubuntu/dists/har ... ackages.gz Cannot initiate the connection to 80:80 (0.0.0.80). - connect (22 Invalid argument)

W: Failed to fetch http://ftp.sjtu.edu.cn/ubuntu/dists/har ... ackages.gz Cannot initiate the connection to 80:80 (0.0.0.80). - connect (22 Invalid argument)

W: Failed to fetch http://ftp.sjtu.edu.cn/ubuntu/dists/har ... ackages.gz Cannot initiate the connection to 80:80 (0.0.0.80). - connect (22 Invalid argument)

W: Failed to fetch http://ftp.sjtu.edu.cn/ubuntu/dists/har ... Sources.gz Cannot initiate the connection to 80:80 (0.0.0.80). - connect (22 Invalid argument)

W: Failed to fetch http://ftp.sjtu.edu.cn/ubuntu/dists/har ... Sources.gz Cannot initiate the connection to 80:80 (0.0.0.80). - connect (22 Invalid argument)

W: Failed to fetch http://ftp.sjtu.edu.cn/ubuntu/dists/har ... Sources.gz Cannot initiate the connection to 80:80 (0.0.0.80). - connect (22 Invalid argument)

W: Failed to fetch http://ftp.sjtu.edu.cn/ubuntu/dists/har ... Sources.gz Cannot initiate the connection to 80:80 (0.0.0.80). - connect (22 Invalid argument)

W: Failed to fetch http://ftp.sjtu.edu.cn/ubuntu/dists/har ... ackages.gz Cannot initiate the connection to 80:80 (0.0.0.80). - connect (22 Invalid argument)

W: Failed to fetch http://ftp.sjtu.edu.cn/ubuntu/dists/har ... ackages.gz Cannot initiate the connection to 80:80 (0.0.0.80). - connect (22 Invalid argument)

W: Failed to fetch http://ftp.sjtu.edu.cn/ubuntu/dists/har ... ackages.gz Cannot initiate the connection to 80:80 (0.0.0.80). - connect (22 Invalid argument)

W: Failed to fetch http://ftp.sjtu.edu.cn/ubuntu/dists/har ... ackages.gz Cannot initiate the connection to 80:80 (0.0.0.80). - connect (22 Invalid argument)

W: Failed to fetch http://ftp.sjtu.edu.cn/ubuntu/dists/har ... Sources.gz Cannot initiate the connection to 80:80 (0.0.0.80). - connect (22 Invalid argument)

W: Failed to fetch http://ftp.sjtu.edu.cn/ubuntu/dists/har ... Sources.gz Cannot initiate the connection to 80:80 (0.0.0.80). - connect (22 Invalid argument)

W: Failed to fetch http://ftp.sjtu.edu.cn/ubuntu/dists/har ... Sources.gz Cannot initiate the connection to 80:80 (0.0.0.80). - connect (22 Invalid argument)

W: Failed to fetch http://ftp.sjtu.edu.cn/ubuntu/dists/har ... Sources.gz Cannot initiate the connection to 80:80 (0.0.0.80). - connect (22 Invalid argument)

W: Failed to fetch http://www.linuxcnc.org/hardy/dists/har ... ackages.gz Cannot initiate the connection to 80:80 (0.0.0.80). - connect (22 Invalid argument)

W: Failed to fetch http://ftp.sjtu.edu.cn/ubuntu/dists/har ... ackages.gz Cannot initiate the connection to 80:80 (0.0.0.80). - connect (22 Invalid argument)

W: Failed to fetch http://ftp.sjtu.edu.cn/ubuntu/dists/har ... ackages.gz Cannot initiate the connection to 80:80 (0.0.0.80). - connect (22 Invalid argument)

W: Failed to fetch http://ftp.sjtu.edu.cn/ubuntu/dists/har ... ackages.gz Cannot initiate the connection to 80:80 (0.0.0.80). - connect (22 Invalid argument)

W: Failed to fetch http://ftp.sjtu.edu.cn/ubuntu/dists/har ... ackages.gz Cannot initiate the connection to 80:80 (0.0.0.80). - connect (22 Invalid argument)

W: Failed to fetch http://ftp.sjtu.edu.cn/ubuntu/dists/har ... Sources.gz Cannot initiate the connection to 80:80 (0.0.0.80). - connect (22 Invalid argument)

W: Failed to fetch http://ftp.sjtu.edu.cn/ubuntu/dists/har ... Sources.gz Cannot initiate the connection to 80:80 (0.0.0.80). - connect (22 Invalid argument)

W: Failed to fetch http://ftp.sjtu.edu.cn/ubuntu/dists/har ... Sources.gz Cannot initiate the connection to 80:80 (0.0.0.80). - connect (22 Invalid argument)

W: Failed to fetch http://ftp.sjtu.edu.cn/ubuntu/dists/har ... Sources.gz Cannot initiate the connection to 80:80 (0.0.0.80). - connect (22 Invalid argument)

W: Failed to fetch http://www.linuxcnc.org/hardy/dists/har ... ackages.gz Cannot initiate the connection to 80:80 (0.0.0.80). - connect (22 Invalid argument)

W: Failed to fetch http://www.linuxcnc.org/hardy/dists/har ... Sources.gz Cannot initiate the connection to 80:80 (0.0.0.80). - connect (22 Invalid argument)

W: Failed to fetch http://www.linuxcnc.org/hardy/dists/har ... Sources.gz Cannot initiate the connection to 80:80 (0.0.0.80). - connect (22 Invalid argument)

E: Some index files failed to download, they have been ignored, or old ones used instead.