root@198f6b40f0b9:/# apt-get update
Hit:1 http://archive.ubuntu.com/ubuntu xenial InRelease
Hit:2 http://archive.ubuntu.com/ubuntu xenial-updates InRelease
Hit:3 http://archive.ubuntu.com/ubuntu xenial-backports InRelease
Hit:4 http://security.ubuntu.com/ub... xenial-security InRelease
Ign:5 http://repo.mongodb.org/apt/u... xenial/mongodb-org/4.0 InRelease
Get:6 http://repo.mongodb.org/apt/u... xenial/mongodb-org/4.0 Release [3457 B]
Get:7 http://repo.mongodb.org/apt/u... xenial/mongodb-org/4.0 Release.gpg [801 B]
Get:8 http://59.80.44.45/repo.mongo... xenial/mongodb-org/4.0/multiverse amd64 Packages [7119 B]
Err:8 http://59.80.44.45/repo.mongo... xenial/mongodb-org/4.0/multiverse amd64 Packages
Hash Sum mismatch
Fetched 10.8 kB in 4min 16s (41 B/s)
Reading package lists... Done
E: Failed to fetch http://59.80.44.45/repo.mongo... Hash Sum mismatch
E: Some index files failed to download. They have been ignored, or old ones used instead.
root@198f6b40f0b9:/#
执行这个试一下