我在Windows上的教程之后刚刚在轨道上安装了ruby，所以我可以学习它，但这让我很头疼。尝试迁移db时出现此错误：
c:\row\dev\hello_world>rake db:migrate
rake aborted!
LoadError: cannot load such file -- sqlite3/sqlite3_native
c:/row/dev/hello_world/config/application.rb:7:in `<top (required)>'
c:/row/dev/hello_world/Rakefile:4:in `require_relative'
c:/row/dev/hello_world/Rakefile:4:in `<top (required)>'
LoadError: cannot load such file -- sqlite3/2.3/sqlite3_native
c:/row/dev/hello_world/config/application.rb:7:in `<top (required)>'
c:/row/dev/hello_world/Rakefile:4:in `require_relative'
c:/row/dev/hello_world/Rakefile:4:in `<top (required)>'
(See full trace by running task with --trace)
c:\row\dev\hello_world>rails s
c:/row/Ruby23-x64/lib/ruby/gems/2.3.0/gems/sqlite3-1.3.11-x64-mingw32/lib/sqlite3.rb:6:in `require': cannot load such file -- sqlite3/sqlite3_native (LoadError)
from c:/row/Ruby23-x64/lib/ruby/gems/2.3.0/gems/sqlite3-1.3.11-x64-mingw32/lib/sqlite3.rb:6:in `rescue in <top (required)>'
from c:/row/Ruby23-x64/lib/ruby/gems/2.3.0/gems/sqlite3-1.3.11-x64-mingw32/lib/sqlite3.rb:2:in `<top (required)>'
from c:/row/Ruby23-x64/lib/ruby/gems/2.3.0/gems/bundler-1.12.5/lib/bundler/runtime.rb:86:in `require'
from c:/row/Ruby23-x64/lib/ruby/gems/2.3.0/gems/bundler-1.12.5/lib/bundler/runtime.rb:86:in `block (2 levels) in require'
from c:/row/Ruby23-x64/lib/ruby/gems/2.3.0/gems/bundler-1.12.5/lib/bundler/runtime.rb:81:in `each'
from c:/row/Ruby23-x64/lib/ruby/gems/2.3.0/gems/bundler-1.12.5/lib/bundler/runtime.rb:81:in `block in require'
from c:/row/Ruby23-x64/lib/ruby/gems/2.3.0/gems/bundler-1.12.5/lib/bundler/runtime.rb:70:in `each'
from c:/row/Ruby23-x64/lib/ruby/gems/2.3.0/gems/bundler-1.12.5/lib/bundler/runtime.rb:70:in `require'
from c:/row/Ruby23-x64/lib/ruby/gems/2.3.0/gems/bundler-1.12.5/lib/bundler.rb:102:in `require'
from c:/row/dev/hello_world/config/application.rb:7:in `<top (required)>'
from c:/row/Ruby23-x64/lib/ruby/gems/2.3.0/gems/railties-5.0.0/lib/rails/commands/commands_tasks.rb:88:in `require'
from c:/row/Ruby23-x64/lib/ruby/gems/2.3.0/gems/railties-5.0.0/lib/rails/commands/commands_tasks.rb:88:in `block in server'
from c:/row/Ruby23-x64/lib/ruby/gems/2.3.0/gems/railties-5.0.0/lib/rails/commands/commands_tasks.rb:85:in `tap'
from c:/row/Ruby23-x64/lib/ruby/gems/2.3.0/gems/railties-5.0.0/lib/rails/commands/commands_tasks.rb:85:in `server'
from c:/row/Ruby23-x64/lib/ruby/gems/2.3.0/gems/railties-5.0.0/lib/rails/commands/commands_tasks.rb:49:in `run_command!'
from c:/row/Ruby23-x64/lib/ruby/gems/2.3.0/gems/railties-5.0.0/lib/rails/commands.rb:18:in `<top (required)>'
from bin/rails:4:in `require'
from bin/rails:4:in `<main>'
我试图在＆＃34; row＆＃34;中运行gem install sqlite3。目录，但安装后没有任何改变。