diff --git a/_vimrc b/_vimrc
index 5730ac4..18d1f86 100644
--- a/_vimrc
+++ b/_vimrc
@@ -109,6 +109,7 @@ endif
 set nobomb "不自动设置字节序标记
 
 set guifont=Courier\ New\:h12
+" set guifont=Droid\ Sans\ Mono\ for\ Powerline\:h12
 set guifontwide=NSimsun\:h12
 
 
@@ -166,7 +167,7 @@ hi User3 ctermbg=blue  ctermfg=green guibg=blue  guifg=green
 " always show the status line
 set laststatus=2
 set statusline=
-"full filename	modified flag	read only flag 	help file flag	Preview
+" full filename	modified flag	read only flag 	help file flag	Preview
 set statusline=%1*%F%m%r%h%w\ 
 set statusline+=%2*[%{strlen(&fenc)?&fenc:'none'}, "file encoding
 set statusline+=%{&ff}] "file format
@@ -178,7 +179,6 @@ set statusline+=\ %P
 
 
 
-
 " Plugin settings
 " NERDTree
 map <F2> :NERDTreeToggle<cr>
@@ -196,6 +196,16 @@ let g:indent_guides_enable_on_vim_startup = 1
 let g:jedi#completions_command = "<C-N>"
 let g:jedi#popup_on_dot = 0
 
+" powerline
+" hide the default mode text (e.g. -- INSERT -- below the statusline)
+" set t_Co=256
+" let g:Powerline_symbols='fancy'
+
+
+" general mapping
+" no <up> ddkP
+" no <down> ddp
+
 " Delete trailing white space on save, useful for Python and CoffeeScript ;)
 func! DeleteTrailingWS()
   exe "normal mz"
diff --git a/vundle_vimrc b/vundle_vimrc
index 2f68625..bffeac4 100644
--- a/vundle_vimrc
+++ b/vundle_vimrc
@@ -28,6 +28,9 @@ Plugin 'ervandew/supertab'
 Plugin 'Raimondi/delimitMate'
 "show tabs
 Plugin 'nathanaelkane/vim-indent-guides'
+" Plugin 'powerline/powerline', {'rtp': 'powerline/bindings/vim/'}
+" Plugin 'Lokaltog/vim-powerline'
+" Plugin 'bling/vim-airline'
 
 " plugin from http://vim-scripts.org/vim/scripts.html
 Plugin 'L9'