diff --git a/Rakefile b/Rakefile
index 57ac1b6e..3107de76 100755
--- a/Rakefile
+++ b/Rakefile
@@ -3,7 +3,10 @@ direc = File.dirname(__FILE__)
 
 PROJECT_NAME = "pry-doc"
 
-require 'latest_ruby'
+begin
+  require 'latest_ruby'
+rescue LoadError
+end
 require 'rake/clean'
 require "#{direc}/lib/#{PROJECT_NAME}/version"
 
@@ -90,6 +93,7 @@ def generate_docs_for(ruby_ver, latest_ruby)
   clean_up
 end
 
+if defined? Latest
 desc "Generate the latest Ruby 1.9 docs"
 task "gen19" do
   generate_docs_for('19', Latest.ruby19)
@@ -114,3 +118,9 @@ desc "Generate the latest Ruby 2.3 docs"
 task "gen23" do
   generate_docs_for('23', Latest.ruby23)
 end
+end
+
+desc "Generate Any Version Ruby docs"
+task "genAnyVerDoc" do
+  puts "run command:\n  ruby genAnyVerDoc.rb VerNum /path/to/rubydev_dir"
+end
diff --git a/genAnyVerDoc.rb b/genAnyVerDoc.rb
new file mode 100755
index 00000000..8ecc5399
--- /dev/null
+++ b/genAnyVerDoc.rb
@@ -0,0 +1,51 @@
+#!/usr/bin/env ruby
+
+require 'fileutils'
+
+def main
+  direc = File.absolute_path(File.dirname(__FILE__))
+  print "\n\n"
+
+  src_ver = ARGV.shift
+  src_path = ARGV.shift
+  force_yard = ARGV.delete('--force')
+
+  if !src_ver || src_ver !~ /^\d\d$/ || (src_path=File.expand_path(src_path)) && !File.directory?(src_path)
+    STDERR.puts "syntax:\n  ruby #{__FILE__}  24 /path/to/rubydev_dir  [--force]"
+    return
+  end
+  puts "Source path:#{src_path} \nGenerate the Ruby #{src_ver} docs.."
+
+  Dir.chdir(direc)
+  Dir.glob("lib/pry-doc/core_docs_??").each do |di|
+    system "git rm -r --cache #{di}"
+  end
+  docpath = "lib/pry-doc/core_docs_#{src_ver}"
+
+  Dir.chdir(src_path) do
+    if File.directory?('.yardoc') && !force_yard
+      puts "Already has .yardoc directory,  skip generate!"
+    else
+      FileUtils.rm_rf('.yardoc')
+      system %{
+        bash -c "paste <(find . -maxdepth 1 -name '*.c') <(find ext -name '*.c') |
+          xargs yardoc --no-output"
+      }
+    end
+    FileUtils.rm_rf("#{direc}/#{docpath}")
+    FileUtils.cp_r(".yardoc", "#{direc}/#{docpath}")
+  end
+  system "git add #{docpath}"
+
+  print "\n\ngem build *.gemspec\n"
+  system "gem build *.gemspec"
+
+  print "\n\nls *.gem\n"
+  puts Dir.glob('*.gem')
+  puts 'end.'
+end
+
+if __FILE__ == $0
+  main
+end
+
diff --git a/lib/pry-doc.rb b/lib/pry-doc.rb
index 59e839cf..fceb48bb 100755
--- a/lib/pry-doc.rb
+++ b/lib/pry-doc.rb
@@ -10,6 +10,7 @@ module PryDoc
 
   def self.load_yardoc(version)
     path = "#{File.dirname(__FILE__)}/pry-doc/core_docs_#{ version }"
+    raise "no this pry-doc path" unless File.directory?(path)
     YARD::Registry.load_yardoc(path)
   end
 
@@ -27,7 +28,14 @@ def self.load_yardoc(version)
 when /\A1.9/
   PryDoc.load_yardoc('19')
 else
-  puts "Ruby #{RUBY_VERSION} isn't supported by this pry-doc version"
+  begin
+    RUBY_VERSION=~/\A(\d)\.(\d)/
+    ver = "#{$1}#{$2}"
+    puts "Try load ruby #{ver} pry-doc.."
+    PryDoc.load_yardoc(ver)
+  rescue
+    puts "Ruby #{RUBY_VERSION} isn't supported by this pry-doc version"
+  end
 end
 
 class Pry