--- a/.vimrc	Sun Feb 15 23:36:27 2015 +0800
+++ b/.vimrc	Sun Feb 15 23:37:24 2015 +0800
@@ -50,8 +50,8 @@
 
 let mapleader=","
 
-map <Leader>n :bp <CR>
-map <Leader>m :bn <CR>
+map <Leader>n :bprevious<CR>
+map <Leader>m :bnext<CR>
 
 " smart home
 noremap <expr> <silent> <Home> col('.') == match(getline('.'),'\S')+1 ? '0' : '^'