DEBUG[86d0b94e] Gem::RemoteFetcher::FetchError: Errno::ETIMEDOUT: Connection timed out - connect(2) for "ruby.taobao.org" port 443 (https://ruby.taobao.org/gems/rake-10.3.2.gem)
DEBUG[86d0b94e] An error occurred while installing rake (10.3.2), and Bundler cannot continue.
DEBUG[86d0b94e] Make sure that `gem install rake -v '10.3.2'` succeeds before bundling.
为什么我在 capistrano 部署的时候老是出现 Gem::RemoteFetcher::FetchError