命中 http://ppa.launchpad.net trusty/main amd64 Packages                  
下载 3,539 kB，耗时 59秒 (59.1 kB/s)
W: 无法下载 http://ppa.launchpad.net/anton+/photo-video-apps/ubuntu/dists/trusty/main/binary-amd64/Packages  Hash 校验和不符

W: 无法下载 http://ppa.launchpad.net/anton+/photo-video-apps/ubuntu/dists/trusty/main/i18n/Translation-en  Hash 校验和不符

W: 无法下载 http://extras.ubuntu.com/ubuntu/dists/trusty/main/binary-amd64/Packages  Hash 校验和不符

W: 无法下载 http://extras.ubuntu.com/ubuntu/dists/trusty/main/binary-i386/Packages  Hash 校验和不符

W: 无法下载 http://mirrors.163.com/ubuntu/dists/trusty-updates/main/i18n/Translation-en  Hash 校验和不符

W: 无法下载 http://mirrors.163.com/ubuntu/dists/trusty-security/main/i18n/Translation-en  Hash 校验和不符

W: 无法下载 http://mirrors.163.com/ubuntu/dists/trusty-security/universe/i18n/Translation-en  Hash 校验和不符

E: Some index files failed to download. They have been ignored, or old ones used instead.
o@halo:~$ sudo apt-get dist-upgrade 
正在读取软件包列表... 完成
正在分析软件包的依赖关系树       
正在读取状态信息... 完成       
正在对升级进行计算... 完成
升级了 0 个软件包，新安装了 0 个软件包，要卸载 0 个软件包，有 0 个软件包未被升级。
W: Ignoring Provides line with DepCompareOp for package python-cffi-backend-api-max
W: Ignoring Provides line with DepCompareOp for package python-cffi-backend-api-min
W: Ignoring Provides line with DepCompareOp for package python3-cffi-backend-api-max
W: Ignoring Provides line with DepCompareOp for package python3-cffi-backend-api-min
W: Ignoring Provides line with DepCompareOp for package python-cffi-backend-api-max
W: Ignoring Provides line with DepCompareOp for package python-cffi-backend-api-min
W: Ignoring Provides line with DepCompareOp for package python3-cffi-backend-api-max
W: Ignoring Provides line with DepCompareOp for package python3-cffi-backend-api-min
W: 您可能需要运行 apt-get update 来解决这些问题
o@halo:~$