回溯（最近通话最近）：
3: from /usr/local/bin/jekyll:18:in `<main>'
2: from /usr/local/Cellar/ruby/2.5.3_1/lib/ruby/2.5.0/rubygems/core_ext/kernel_gem.rb:65:in 'gem'
1: from /usr/local/Cellar/ruby/2.5.3_1/lib/ruby/2.5.0/rubygems/dependency.rb:323:in 'to_spec'
/usr/local/Cellar/ruby/2.5.3_1/lib/ruby/2.5.0/rubygems/dependency.rb:311:in `to_specs':
Could not find 'jekyll' (>= 0) among 28 total gem(s) (Gem::MissingSpecError)
Checked in 'GEM_PATH=/Users/dayi/.rvm/gems/ruby-2.0.0-p648:/Users/dayi/.rvm/gems/ruby-2.0.0-p648@global', execute `gem env` for more information
只想在Mac终端的个人GitHub页面中创建博客页面，但是当我在Jekyll new XX中发短信时，它就卡住了