Texlive 2020（我知道已经一岁了）：
我尝试安装 tl2020 的包，但是安装失败：
tlmgr install pgfplots
tlmgr: package repository https://ctan.net/systems/texlive/tlnet (not verified: valid signature with expired key)
[1/1, ??:??/??:??] install: pgfplots [14898k]
TeXLive::TLUtils::check_file_and_remove: checksums differ for /var/folders/md/l2nnr5490tq114003qtxfnk40000gn/T/Kgox3_SlKE/2mUVrNHss6/pgfplots.tar.xz:
TeXLive::TLUtils::check_file_and_remove: tlchecksum=8f4661e193d6b2d9a5e3f488ff7f35849fe559fe4587b5050ac67256aa4b93e24c79948e8f8757eb901e6b531fffffd6597049b1e457d79db36d5043f00e10e5, arg=65364a44b5950ece4c6b6797b149a147dce134f89e2d9402d9a42e656c4a1170c23cc66c8357599addb8283617061850247d9d679fa2ebdd2ffa90b311492b6c
TeXLive::TLUtils::check_file_and_remove: backtrace:
-> /opt/texlive2020/tlpkg/TeXLive/TLUtils.pm:2342: TeXLive::TLUtils::check_file_and_remove
-> /opt/texlive2020/tlpkg/TeXLive/TLPDB.pm:1976: TeXLive::TLUtils::unpack
-> /opt/texlive2020/tlpkg/TeXLive/TLPDB.pm:1811: TeXLive::TLPDB::_install_data
-> /opt/texlive2020/tlpkg/TeXLive/TLPDB.pm:1727: TeXLive::TLPDB::not_virtual_install_package
-> /opt/texlive2020/bin/x86_64-darwin/tlmgr:3855: TeXLive::TLPDB::install_package
-> /opt/texlive2020/bin/x86_64-darwin/tlmgr:794: main::action_install
-> /opt/texlive2020/bin/x86_64-darwin/tlmgr:706: main::execute_action
-> /opt/texlive2020/bin/x86_64-darwin/tlmgr:377: main::main
TeXLive::TLUtils::check_file_and_remove: removing /var/folders/md/l2nnr5490tq114003qtxfnk40000gn/T/Kgox3_SlKE/2mUVrNHss6/pgfplots.tar.xz, but saving copy in /var/folders/md/l2nnr5490tq114003qtxfnk40000gn/T/lhXCcVTc1x
TLPDB::_install_data: downloading did not succeed (check_file_and_remove failed) for https://ctan.net/systems/texlive/tlnet/archive/pgfplots.tar.xz
tlmgr: package log updated: /opt/texlive2020/texmf-var/web2c/tlmgr.log
其他软件包安装正确。有什么想法我可以做什么吗？
我尝试过
no-checksums = 1
在配置文件中，但我看不出这有任何效果。