diff --git a/vimrc b/vimrc
index 66d742b..93d0043 100644
--- a/vimrc
+++ b/vimrc
@@ -74,6 +74,9 @@ Plugin 'vimwiki/vimwiki'
 " youcompleteme
 " https://github.com/Valloric/YouCompleteMe
 Plugin 'Valloric/YouCompleteMe'
+" gitgutter
+" https://github.com/airblade/vim-gitgutter/blob/master/README.mkd
+Plugin 'airblade/vim-gitgutter'
 
 " All of your Plugins must be added before the following line
 call vundle#end()            " required
@@ -97,7 +100,7 @@ set guioptions+=c
 
 " set t_Sb=<Esc>[4%p1%dm  " background coloru
 
-set updatetime=30000
+set updatetime=100
 
 set backupdir=~/.vimtmp
 set directory=~/.vimtmp