Hash Sum missmatch

[peng051410]

When i exec vagrant run, I got error blow:

==> default: W
==> default: :
==> default: Failed to fetch bzip2:/var/lib/apt/lists/partial/security.ubuntu.com_ubuntu_dists_precise-security_main_source_Sources Hash Sum mismatch
==> default: W
==> default: :
==> default: Failed to fetch bzip2:/var/lib/apt/lists/partial/security.ubuntu.com_ubuntu_dists_precise-security_universe_source_Sources Hash Sum mismatch
==> default: W
==> default: :
==> default: Failed to fetch bzip2:/var/lib/apt/lists/partial/security.ubuntu.com_ubuntu_dists_precise-security_multiverse_source_Sources Hash Sum mismatch
==> default: W
==> default: :
==> default: Failed to fetch bzip2:/var/lib/apt/lists/partial/security.ubuntu.com_ubuntu_dists_precise-security_main_binary-amd64_Packages Hash Sum mismatch
==> default: W
==> default: :
==> default: Failed to fetch bzip2:/var/lib/apt/lists/partial/security.ubuntu.com_ubuntu_dists_precise-security_universe_binary-amd64_Packages Hash Sum mismatch
==> default: W
==> default: :
==> default: Failed to fetch bzip2:/var/lib/apt/lists/partial/security.ubuntu.com_ubuntu_dists_precise-security_multiverse_binary-amd64_Packages Hash Sum mismatch
==> default: W
==> default: :
==> default: Failed to fetch bzip2:/var/lib/apt/lists/partial/security.ubuntu.com_ubuntu_dists_precise-security_main_binary-i386_Packages Hash Sum mismatch
==> default: W
==> default: :
==> default: Failed to fetch bzip2:/var/lib/apt/lists/partial/security.ubuntu.com_ubuntu_dists_precise-security_multiverse_binary-i386_Packages Hash Sum mismatch
==> default: W
==> default: :
==> default: Failed to fetch bzip2:/var/lib/apt/lists/partial/security.ubuntu.com_ubuntu_dists_precise-security_main_i18n_Translation-en Hash Sum mismatch
==> default: W
==> default: :
==> default: Failed to fetch bzip2:/var/lib/apt/lists/partial/security.ubuntu.com_ubuntu_dists_precise-security_multiverse_i18n_Translation-en Hash Sum mismatch
==> default: W
==> default: :
==> default: Failed to fetch bzip2:/var/lib/apt/lists/partial/security.ubuntu.com_ubuntu_dists_precise-security_restricted_i18n_Translation-en Hash Sum mismatch
==> default: W
==> default: :
==> default: Failed to fetch bzip2:/var/lib/apt/lists/partial/security.ubuntu.com_ubuntu_dists_precise-security_universe_i18n_Translation-en Hash Sum mismatch
==> default: E
==> default: : Some index files failed to download. They have been ignored, or old ones used instead.