wu@debian:~$ sudo aptitude update
[sudo] wu 的密码：
命中 http://mirrors.aliyun.com/debian buster InRelease
命中 http://mirrors.aliyun.com/debian-security buster/updates InRelease
命中 http://mirrors.aliyun.com/debian buster-updates InRelease
读取： 1 http://packages.microsoft.com/repos/vscode stable InRelease [3,959 B]
命中 http://mirrors.aliyun.com/debian testing InRelease
命中 http://mirrors.aliyun.com/debian unstable InRelease
命中 http://mirrors.aliyun.com/debian buster-backports InRelease
命中 http://dl.mercurylang.org/deb/stable buster InRelease
命中 https://download.sublimetext.com apt/stable/ InRelease
读取： 2 http://packages.microsoft.com/repos/vscode stable/main amd64 Packages [156 kB]
错误 http://packages.microsoft.com/repos/vscode stable/main amd64 Packages
文件尺寸不符(156214 != 156065)。您使用的镜像正在同步中？ [IP: 13.75.127.55 80]
Hashes of expected file:
- Filesize:156065 [weak]
- SHA512:12e6dffcd247d1ff067acfa61a3c4eb6078c326c2858feb4f6f141a1d809e22292a78282414a5c103038ea80bb63cd734c7516782c9809c341335083d4e7611b
- SHA256:c850f35f1979831ac75641978c397e51519fa22313598ec12bde5f52277044c0
- SHA1:1f65f4a7388c22bcf7b7f30fb7bc337c60d94b2e [weak]
- MD5Sum:4153a12e4a5629bfb14ed98f4c8ac234 [weak]
Release file created at: Thu, 12 Dec 2019 19:59:19 +0000
命中 http://ftp.texmacs.org/TeXmacs/tmftp/repos/apt buster InRelease
已下载 3,959 B，耗时 2秒 (1,784 B/s)
W: 无法下载 http://packages.microsoft.com/repos/vscode/dists/stable/main/binary-amd64/Packages.bz2：文件尺寸不符(156214 != 156065)。您使用的镜像正在同步中？ [IP: 13.75.127.55 80]
Hashes of expected file:
- Filesize:156065 [weak]
- SHA512:12e6dffcd247d1ff067acfa61a3c4eb6078c326c2858feb4f6f141a1d809e22292a78282414a5c103038ea80bb63cd734c7516782c9809c341335083d4e7611b
- SHA256:c850f35f1979831ac75641978c397e51519fa22313598ec12bde5f52277044c0
- SHA1:1f65f4a7388c22bcf7b7f30fb7bc337c60d94b2e [weak]
- MD5Sum:4153a12e4a5629bfb14ed98f4c8ac234 [weak]
Release file created at: Thu, 12 Dec 2019 19:59:19 +0000
E: 有一些文件下载失败。它们已被忽略，或使用了旧的版本。

vscode仓库惹的，我更新之后也一样，按照vs code官网重置了list还是不行。可以把vs code的list文件删了，要更新的话直接去官网下载最新版

三克油