修改项目生成Gemfile的模板gedit$rvm_path/gems/ruby-2.1.5/gems/railties-4.1.8/lib/rails/generators/rails/app/templates/Gemfile第一行改为:source'https://ruby.taobao.org'保存关闭$rvm...

如果缺少某个gem，查看并修改Gemfile文件...