我正在尝试访问我的第一个ruby​​项目。导航到正确的目录并键入后:$railsserver我收到以下错误消息:/Users/Rozey/.rvm/gems/ruby-1.9.2-p180/gems/mysql2-0.2.6/lib/mysql2.rb:7:inrequire':dlopen(/Users/Rozey/.rvm/gems/ruby-1.9.2-p180/gems/mysql2-0.2.6/lib/mysql2/mysql2.bundle,9):Librarynotloaded:libmysqlclient.18.dylib(LoadError)Referencedfro