diff --git a/runtime/ftplugin/antlr4.vim b/runtime/ftplugin/antlr4.vim
new file mode 100644
index 0000000..610d528
--- /dev/null
+++ b/runtime/ftplugin/antlr4.vim
@@ -0,0 +1,14 @@
+" Vim filetype plugin
+" Language:	ANTLR4, ANother Tool for Language Recognition v4 <www.antlr.org>
+" Maintainer:	Yinzuo Jiang <jiangyinzuo@foxmail.com>
+" Last Change:	2024 July 09
+
+if exists('b:did_ftplugin')
+  finish
+endif
+let b:did_ftplugin = 1
+
+setlocal comments=sO:*\ -,mO:*\ \ ,exO:*/,s1:/*,mb:*,ex:*/,://
+setlocal commentstring=//\ %s
+
+let b:undo_ftplugin = 'setl com< cms<'