我正在尝试使用foreman启动一个基于node.js的应用程序。在项目根目录下运行foreman start命令时，我一直收到以下错误：
/Users/Hebime/.rvm/gems/ruby-1.9.3-p448/gems/dotenv-0.8.0/lib/dotenv/environment.rb:34:in `block in load': Line "== project-ps Config Vars" doesn't match format (Dotenv::FormatError)
from /Users/Hebime/.rvm/gems/ruby-1.9.3-p448/gems/dotenv-0.8.0/lib/dotenv/environment.rb:27:in `each'
from /Users/Hebime/.rvm/gems/ruby-1.9.3-p448/gems/dotenv-0.8.0/lib/dotenv/environment.rb:27:in `load'
from /Users/Hebime/.rvm/gems/ruby-1.9.3-p448/gems/dotenv-0.8.0/lib/dotenv/environment.rb:23:in `initialize'
from /Users/Hebime/.rvm/gems/ruby-1.9.3-p448/gems/foreman-0.63.0/lib/foreman/engine.rb:172:in `new'
from /Users/Hebime/.rvm/gems/ruby-1.9.3-p448/gems/foreman-0.63.0/lib/foreman/engine.rb:172:in `load_env'
from /Users/Hebime/.rvm/gems/ruby-1.9.3-p448/gems/foreman-0.63.0/lib/foreman/cli.rb:136:in `load_environment!'
from /Users/Hebime/.rvm/gems/ruby-1.9.3-p448/gems/foreman-0.63.0/lib/foreman/cli.rb:38:in `start'
from /Users/Hebime/.rvm/gems/ruby-1.9.3-p448/gems/thor-0.18.1/lib/thor/command.rb:27:in `run'
from /Users/Hebime/.rvm/gems/ruby-1.9.3-p448/gems/thor-0.18.1/lib/thor/invocation.rb:120:in `invoke_command'
from /Users/Hebime/.rvm/gems/ruby-1.9.3-p448/gems/thor-0.18.1/lib/thor.rb:363:in `dispatch'
from /Users/Hebime/.rvm/gems/ruby-1.9.3-p448/gems/thor-0.18.1/lib/thor/base.rb:439:in `start'
from /Users/Hebime/.rvm/gems/ruby-1.9.3-p448/gems/foreman-0.63.0/bin/foreman:7:in `<top (required)>'
from /Users/Hebime/.rvm/gems/ruby-1.9.3-p448/bin/foreman:23:in `load'
from /Users/Hebime/.rvm/gems/ruby-1.9.3-p448/bin/foreman:23:in `<main>'
from /Users/Hebime/.rvm/gems/ruby-1.9.3-p448/bin/ruby_noexec_wrapper:14:in `eval'
from /Users/Hebime/.rvm/gems/ruby-1.9.3-p448/bin/ruby_noexec_wrapper:14:in `<main>'
使用相同命令，我的同事的机器上项目运行得很好。
我正在使用OSX 10.8.4。
有什么想法吗？
谢谢！