diff --git a/.config/vim/vim_nix b/.config/vim/vim_nix
index fb622ae..8301b07 100644
--- a/.config/vim/vim_nix
+++ b/.config/vim/vim_nix
@@ -37,6 +37,10 @@ autocmd FileType sh imap <buffer> <F9> <esc> :w<CR>:vs<CR>:ter sh "%"<CR>
 autocmd FileType c map <buffer> <F9> :w<CR>:vs<CR>:ter gcc "%" -o %< && ./%< && read<CR>
 autocmd FileType c imap <buffer> <F9> <esc> :w<CR>:vs<CR>:ter gcc "%" -o %< && ./%< && read<CR>
 
+" pandoc (markdown to pdf)
+autocmd FileType markdown map <buffer> <F9> :w<CR>:!pandoc -i "%" -o "%:r.pdf"<CR>
+autocmd FileType markdown imap <buffer> <F9> <esc> :w<CR>:!pandoc -i "%" -o "%:r.pdf"<CR>
+
 " ----- Automatically Render PDF
 autocmd FileType plaintex command! -nargs=0 Lw w !pdflatex % > /dev/null
 autocmd FileType tex command! -nargs=0 Lw w !pdflatex % > /dev/null
diff --git a/.config/vim/vim_uni b/.config/vim/vim_uni
index 4f0ea4e..a8fea31 100644
--- a/.config/vim/vim_uni
+++ b/.config/vim/vim_uni
@@ -63,9 +63,10 @@ augroup Binary
   au BufWritePost *.bin set nomod | endif
 augroup END
 
-" ----- python for vim
+" ----- indent for corresponding extension
 autocmd BufEnter *.py set ai sw=4 ts=4 sta et fo=croql
 autocmd BufEnter *.c set ai sw=4 ts=4 sta et fo=croql
+autocmd BufEnter *.md set ai sw=4 ts=4 sta et fo=croql
 
 " ----- Auto refresh vimrc
 augroup myvimrc