1. The installation jekyll, port can be accessed, but there is still a problem. 
 2.  GitHub Metadata: No GitHub API authentication could be found. appears at the command prompt Some fields mabe missing or have incorrect data.  
 3. Try to add JEKYLL_GITHUB_TOKEN to the system environment variable, but there is a problem with the configuration. 
 the following is the prompt message: 
 `C:UsersspockDesktopgithubspock504.github.io > bundle exec jekyll serve 
 Configuration file: C:/Users/spock/Desktop/github/spock504.github.io/_config.ym 
        Source: C:/Users/spock/Desktop/github/spock504.github.io
   Destination: C:/Users/spock/Desktop/github/spock504.github.io/_siteIncremental build: disabled. Enable with-- incremental
  Generating... GitHub Metadata: No GitHub API authentication could be found. Some fields ma 
 be missing or have incorrect data. 
                done in 18.945 seconds.Please add the following to your Gemfile to avoid polling for changes:
gem "wdm", ">= 0.1.0" if Gem.win_platform? Auto-regeneration: enabled for"CGROUSERGER UsersSpockSpockSpockSpockDesktoppicSpock504.github.
 o" 
Server address: http://127.0.0.1:4000Server running. Press ctrl-c to stop.`
