摘要：
Problem encountereddescription:.../.rvm/gems/ruby-1.9.2-p290/gems/execjs-1.2.13/lib/execjs/runtimes.rb:47:in `autodetect': Could not find a JavaScript runtime. See https://github.com/sstephenson/execjs for a list of available runtimes. (ExecJS::RuntimeUnavailable)Solution:add the following code 阅读全文
