gem install compass
如果安装不了，更换源试试
先移出
gem sources --remove https://rubygems.org/
再添加
gem source -a http://gems.ruby-china.com
然后再重新运行，就可以愉...
yekong
3年前 (2021-08-21) 1113℃
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ERROR: While executing gem ... (Gem::FilePermissionError)
You don't have write permissions for the /Library/Ruby/Gems/2.6.0 directo...
yekong
3年前 (2021-08-21) 1974℃
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