在 Windows 下用 Wubi 安装的 Ubuntu RVM 安装应该是成功了吧,可是 gem install 总不成功
joey@ubuntu:~$ gem install sinatra ERROR: Loading command: install (LoadError) cannot load such file -- zlib ERROR: While executing gem ... (NameError) uninitialized constant Gem::Commands::InstallCommand
都是这样的信息,应该怎么办啊?