1 files changed, 3 insertions, 1 deletions
diff --git a/.vimrc b/.vimrc
index d168226..03bf64f 100644
--- a/.vimrc
+++ b/.vimrc
@@ -12,7 +12,6 @@ set shiftwidth=4
 set expandtab
 set softtabstop=4
 
-set textwidth=80
 set wrap
 "set nowrap
 "set wrapmargin=4
@@ -31,6 +30,8 @@ set autoread
 set wildmenu
 set wildmode=longest:list,full
 
+set backspace=indent,eol,start
+
 " mapping
 let mapleader=',' " change the key <leader>
 nnoremap <leader>n :bn<CR>
@@ -58,3 +59,4 @@ call plug#end()
 colorscheme molokai
 let g:airline='molokai'
 let g:airline#extensions#tabline#enabled = 1
+map <C-n> :NERDTreeToggle<CR>