Encoding::CompatibilityError: incompatible encoding regexp match (UTF-8 regexp with ASCII-8BIT string)
/Users/Kenn/.rvm/gems/ruby-2.0.0-p0/gems/listen-0.7.3/lib/listen/directory_record.rb:193:in `sub': incompatible encoding regexp match (UTF-8 regexp with ASCII-8BIT string) (Encoding::CompatibilityError)
from /Users/Kenn/.rvm/gems/ruby-2.0.0-p0/gems/listen-0.7.3/lib/listen/directory_record.rb:193:in `relative_to_base'
from /Users/Kenn/.rvm/gems/ruby-2.0.0-p0/gems/listen-0.7.3/lib/listen/directory_record.rb:135:in `ignored?'
from /Users/Kenn/.rvm/gems/ruby-2.0.0-p0/gems/listen-0.7.3/lib/listen/directory_record.rb:328:in `block in important_paths'
from /Users/Kenn/.rvm/rubies/ruby-1.9.3-p392/lib/ruby/1.9.1/find.rb:41:in `block in find'
from /Users/Kenn/.rvm/rubies/ruby-1.9.3-p392/lib/ruby/1.9.1/find.rb:40:in `catch'
from /Users/Kenn/.rvm/rubies/ruby-1.9.3-p392/lib/ruby/1.9.1/find.rb:40:in `find'
from /Users/Kenn/.rvm/gems/ruby-2.0.0-p0/gems/listen-0.7.3/lib/listen/directory_record.rb:322:in `important_paths'
from /Users/Kenn/.rvm/gems/ruby-2.0.0-p0/gems/listen-0.7.3/lib/listen/directory_record.rb:158:in `build'
from /Users/Kenn/.rvm/gems/ruby-2.0.0-p0/gems/listen-0.7.3/lib/listen/multi_listener.rb:41:in `block (2 levels) in start'
from /Users/Kenn/.rvm/gems/ruby-2.0.0-p0/gems/listen-0.7.3/lib/listen/multi_listener.rb:41:in `each'
from /Users/Kenn/.rvm/gems/ruby-2.0.0-p0/gems/listen-0.7.3/lib/listen/multi_listener.rb:41:in `block in start'
不知道如何解决。求指点。