diff --git a/vim/plugin/ciswitch.vim b/vim/plugin/ciswitch.vim
new file mode 100644
index 0000000..1c0d083
--- /dev/null
+++ b/vim/plugin/ciswitch.vim
@@ -0,0 +1,28 @@
+if !has('ruby')
+      echo "Error: Required vim compiled with +ruby"
+      finish
+endif
+
+if exists('g:loaded_ruby_fix_plugin')
+      finish
+endif
+let g:loaded_ruby_fix_plugin = 1
+
+command! -nargs=0 L call Switch()
+
+function! Switch()
+ruby<<EOF
+buf = VIM::Buffer.current
+route = buf.name
+if (route.end_with? "component.js") || (route.end_with? "index.js")
+  target = route.include?("component.js") ? route.sub("component.js", "index.js") : route.sub("index.js", "component.js")
+  if FileTest::exist?(target)
+    Vim::command("e #{target}")
+  else
+    print "Target file does not exist!"
+  end
+else
+  print "The current file is incorrect!"
+end
+EOF
+endfunctio