这个错误为什么啊，兄弟们？谢谢了！ C:\Ruby\demo>rails server C:/Ruby/lib/ruby/gems/2.0.0/gems/sqlite3-1.3.7-x86-mingw32/lib/sqlite3.rb:6:in require': cannot load such file -- sqlite3/sqlite3_native (LoadError) from C:/Ruby/lib/ruby/gems/2.0.0/gems/sqlite3-1.3.7-x86-mingw32/lib/sqli te3.rb:6:inrescue in ' from C:/Ruby/lib/ruby/gems/2.0.0/gems/sqlite3-1.3.7-x86-mingw32/lib/sqli te3.rb:2:in <top (required)>' from C:/Ruby/lib/ruby/gems/2.0.0/gems/bundler-1.3.5/lib/bundler/runtime. rb:72:inrequire' from C:/Ruby/lib/ruby/gems/2.0.0/gems/bundler-1.3.5/lib/bundler/runtime. rb:72:in block (2 levels) in require' from C:/Ruby/lib/ruby/gems/2.0.0/gems/bundler-1.3.5/lib/bundler/runtime. rb:70:ineach' from C:/Ruby/lib/ruby/gems/2.0.0/gems/bundler-1.3.5/lib/bundler/runtime. rb:70:in block in require' from C:/Ruby/lib/ruby/gems/2.0.0/gems/bundler-1.3.5/lib/bundler/runtime. rb:59:ineach' from C:/Ruby/lib/ruby/gems/2.0.0/gems/bundler-1.3.5/lib/bundler/runtime. rb:59:in require' from C:/Ruby/lib/ruby/gems/2.0.0/gems/bundler-1.3.5/lib/bundler.rb:132:i nrequire' from C:/Ruby/demo/config/application.rb:7:in <top (required)>' from C:/Ruby/lib/ruby/gems/2.0.0/gems/railties-3.0.12/lib/rails/commands .rb:28:inrequire' from C:/Ruby/lib/ruby/gems/2.0.0/gems/railties-3.0.12/lib/rails/commands .rb:28:in block in <top (required)>' from C:/Ruby/lib/ruby/gems/2.0.0/gems/railties-3.0.12/lib/rails/commands .rb:27:intap' from C:/Ruby/lib/ruby/gems/2.0.0/gems/railties-3.0.12/lib/rails/commands .rb:27:in <top (required)>' from script/rails:6:inrequire' from script/rails:6:in `'