➜ zhangwei900808.github.io git:(master) ✗ jekyll --version
/usr/local/Cellar/ruby/2.3.1_2/lib/ruby/2.3.0/rubygems/core_ext/kernel_require.rb:55:in `require': cannot load such file -- bundler (LoadError)
from /usr/local/Cellar/ruby/2.3.1_2/lib/ruby/2.3.0/rubygems/core_ext/kernel_require.rb:55:in `require'
from /usr/local/lib/ruby/gems/2.3.0/gems/jekyll-3.3.1/lib/jekyll/plugin_manager.rb:34:in `require_from_bundler'
from /usr/local/lib/ruby/gems/2.3.0/gems/jekyll-3.3.1/exe/jekyll:9:in `<top (required)>'
from /usr/local/bin/jekyll:23:in `load'
from /usr/local/bin/jekyll:23:in `<main>'
参考