标签： ruby-on-rails ruby json
！Note : I have the latest compatible development kit downloaded and extracted. Please help me how to solve it. Thanks
答案 0 :(得分：0)
试试这个 -
sudo gem install json --platform=ruby --verbose
答案 1 :(得分：0)
尝试，
gem install json --platform=ruby
然后关注Development Kit steps
