我在使用 apt-get 下载多个软件包时遇到问题。到目前为止，我已经在使用 'opencv' 和 'gstreamer' 时遇到了这个问题。使用 opencv，它将获取许多文件，然后返回以下错误。我尝试了几个不同的镜像，它们都在同一个文件上出错。
Do you want to continue [Y/n]? y
Get:1 http://us-east-1.ec2.archive.ubuntu.com/ubuntu/ precise/universe libopencvvideo2.3 i386 2.3.1-7 [106 kB]
Get:2 http://us-east-1.ec2.archive.ubuntu.com/ubuntu/ precise/universe libopencv-video-dev i386 2.3.1-7 [129 kB]
Fetched 2,225 B in 0s (11.8 kB/s)
Failed to fetch http://us-east-1.ec2.archive.ubuntu.com/ubuntu/pool/universe/o/opencv/libopencv-video2.3_2.3.1-7_i386.deb Size mismatch
Failed to fetch http://us-east-1.ec2.archive.ubuntu.com/ubuntu/pool/universe/o/opencv/libopencv-video-dev_2.3.1-7_i386.deb Size mismatch
E: Unable to fetch some archives, maybe run apt-get update or try with --fix-missing?
我运行了 'apt-cache show libopencv-video*' 并得到：
Package: libopencv-video2.3
Priority: optional
Section: universe/libs
Installed-Size: 277
Maintainer: Ubuntu Developers …apt ×1