diff --git a/.vimrc b/.vimrc
index db862b7..224f356 100644
--- a/.vimrc
+++ b/.vimrc
@@ -63,8 +63,8 @@ autocmd bufenter * if (winnr("$") == 1 && exists("b:NERDTree") && b:NERDTree.isT
 
 
 """"""""""" Open NERDTree by default
-" autocmd StdinReadPre * let s:std_in=1
-" autocmd VimEnter * if argc() == 0 && !exists("s:std_in") | NERDTree | endif
+autocmd StdinReadPre * let s:std_in=1
+autocmd VimEnter * if argc() == 0 && !exists("s:std_in") | NERDTree | endif
 
 
 """"""""""" Start Enable Vundle
diff --git a/install.sh b/install.sh
index 76811bb..ae67983 100644
--- a/install.sh
+++ b/install.sh
@@ -1,6 +1,7 @@
 ln -rsf ./.vimrc ~/
 ln -rsf ./.mailcap ~/
 ln -rsf ./.muttrc ~/
+ln -rsf ./.signature ~/
 ln -rsf ./.tmux.conf ~/
 
 # share vim config with neovim