问域名解析后 bad gateway？

$ irb
ruby-1.9.2-p0 > require 'sourcify'
             => true 
ruby-1.9.2-p0 > p = Proc.new{test = 0}
             => #<Proc:0xa4b166c@(irb):2> 
ruby-1.9.2-p0 > p.to_source
             => "proc { test = 0 }" 

>> # tested with 1.8.7
>> require "parse_tree"
=> true
>> require "ruby2ruby"
=> true
>> require "parse_tree_extensions"
=> true
>> p = Proc.new{test = 0}
>> p.to_ruby
=> "proc { test = 0 }"

>> eval(p.to_ruby).call
0