diff --git a/runtime/ftplugin/solidity.vim b/runtime/ftplugin/solidity.vim
new file mode 100644
index 0000000..abe9f2f
--- /dev/null
+++ b/runtime/ftplugin/solidity.vim
@@ -0,0 +1,15 @@
+" Vim filetype plugin file
+" Language:		Solidity
+" Maintainer:		Cothi (jiungdev@gmail.com)
+" Original Author:	tomlion (https://github.com/tomlion/vim-solidity)
+" Last Change:		2022 Sep 27
+" 			2023 Aug 22 Vim Project (did_ftplugin, undo_ftplugin)
+
+if exists("b:did_ftplugin")
+  finish
+endif
+let b:did_ftplugin = 1
+
+setlocal commentstring=//\ %s
+
+let b:undo_ftplugin = "setlocal commentstring<"