***                                                                                                                    Exception   
PhusionPassenger::UnknownError in PhusionPassenger::Rack::ApplicationSp                                                                                                                           awner (git://github.com/ryanb/nested_form.git (at master) is not checked out. Pl                                                                                                                           ease run `bundle install` (Bundler::GitError)) (process 26095, thread #<Thread:0                                                                                                                           x99fbf38>):

项目中用到了 nested_form，因为要和 simple_form 整合，所以就用了那个 git://github.com/ryanb/nested_form.git。在本地 thin 测试，木有问题，但是部署到服务器上，passenger 就报错了。。纠结。求各位有知道怎木办的吗？ @huacnlee @lgn21st @hooopo @fredwu @Rei