I installed successfully and start jekyll server but don't show view about centrarium HOT 2 CLOSED

this is start log

       Source: /Users/mao/workpace/github/maoruibin.github.com
   Destination: /Users/mao/workpace/github/maoruibin.github.com/_site
  Generating... 

/System/Library/Frameworks/Ruby.framework/Versions/2.0/usr/lib/ruby/2.0.0/json/version.rb:3: warning: already initialized constant JSON::VERSION
/Library/Ruby/Gems/2.0.0/gems/json-1.8.3/lib/json/version.rb:3: warning: previous definition of VERSION was here
/System/Library/Frameworks/Ruby.framework/Versions/2.0/usr/lib/ruby/2.0.0/json/version.rb:4: warning: already initialized constant JSON::VERSION_ARRAY
/Library/Ruby/Gems/2.0.0/gems/json-1.8.3/lib/json/version.rb:4: warning: previous definition of VERSION_ARRAY was here
/System/Library/Frameworks/Ruby.framework/Versions/2.0/usr/lib/ruby/2.0.0/json/version.rb:5: warning: already initialized constant JSON::VERSION_MAJOR
/Library/Ruby/Gems/2.0.0/gems/json-1.8.3/lib/json/version.rb:5: warning: previous definition of VERSION_MAJOR was here
/System/Library/Frameworks/Ruby.framework/Versions/2.0/usr/lib/ruby/2.0.0/json/version.rb:6: warning: already initialized constant JSON::VERSION_MINOR
/Library/Ruby/Gems/2.0.0/gems/json-1.8.3/lib/json/version.rb:6: warning: previous definition of VERSION_MINOR was here
/System/Library/Frameworks/Ruby.framework/Versions/2.0/usr/lib/ruby/2.0.0/json/version.rb:7: warning: already initialized constant JSON::VERSION_BUILD
/Library/Ruby/Gems/2.0.0/gems/json-1.8.3/lib/json/version.rb:7: warning: previous definition of VERSION_BUILD was here
/System/Library/Frameworks/Ruby.framework/Versions/2.0/usr/lib/ruby/2.0.0/json/common.rb:99: warning: already initialized constant JSON::NaN
/Library/Ruby/Gems/2.0.0/gems/json-1.8.3/lib/json/common.rb:99: warning: previous definition of NaN was here
/System/Library/Frameworks/Ruby.framework/Versions/2.0/usr/lib/ruby/2.0.0/json/common.rb:101: warning: already initialized constant JSON::Infinity
/Library/Ruby/Gems/2.0.0/gems/json-1.8.3/lib/json/common.rb:101: warning: previous definition of Infinity was here
/System/Library/Frameworks/Ruby.framework/Versions/2.0/usr/lib/ruby/2.0.0/json/common.rb:103: warning: already initialized constant JSON::MinusInfinity
/Library/Ruby/Gems/2.0.0/gems/json-1.8.3/lib/json/common.rb:103: warning: previous definition of MinusInfinity was here
/System/Library/Frameworks/Ruby.framework/Versions/2.0/usr/lib/ruby/2.0.0/json/common.rb:128: warning: already initialized constant JSON::UnparserError
/Library/Ruby/Gems/2.0.0/gems/json-1.8.3/lib/json/common.rb:128: warning: previous definition of UnparserError was here
done.
Auto-regeneration: enabled for '/Users/mao/workpace/github/maoruibin.github.com'
Configuration file: /Users/mao/workpace/github/maoruibin.github.com/_config.yml
Server address: http://127.0.0.1:4000/centrarium//
Server running... press ctrl-c to stop.

from centrarium.

I have solved by set baseurl: / ^_^

from centrarium.