diff --git a/runtime/ftplugin/kdl.vim b/runtime/ftplugin/kdl.vim
new file mode 100644
index 0000000..c9a1d8b
--- /dev/null
+++ b/runtime/ftplugin/kdl.vim
@@ -0,0 +1,17 @@
+" Vim filetype plugin
+" Language:         KDL
+" Author:           Aram Drevekenin <aram@poor.dev>
+" Maintainer:       Yinzuo Jiang <jiangyinzuo@foxmail.com>
+" Last Change:      2024-06-10
+
+if exists("b:did_ftplugin")
+  finish
+endif
+
+let b:did_ftplugin = 1
+
+setlocal comments=://
+setlocal commentstring=//\ %s
+setlocal formatoptions-=t
+
+let b:undo_ftplugin = 'setlocal comments< commentstring< formatoptions<'