diff --git a/runtime/ftplugin/gel.vim b/runtime/ftplugin/gel.vim
new file mode 100644
index 0000000..b1f4def
--- /dev/null
+++ b/runtime/ftplugin/gel.vim
@@ -0,0 +1,13 @@
+" Vim filetype plugin file
+" Language:	TI Code Composer Studio General Extension Language
+" Document:	https://downloads.ti.com/ccs/esd/documents/users_guide/ccs_debug-gel.html
+" Maintainer:	Wu, Zhenyu <wuzhenyu@ustc.edu>
+" Last Change:	2024 Dec 25
+
+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 commentstring< comments<"