diff --git a/plugins.vim b/plugins.vim
index a7d1ea3..1cd0569 100644
--- a/plugins.vim
+++ b/plugins.vim
@@ -11,18 +11,17 @@ scriptencoding utf-8
 let g:vim_plug_fpath = expand(stdpath('data') . '/autoload/plug.vim')
 if g:is_win || g:is_mac
   if empty(glob(g:vim_plug_fpath))
-    if executable('curl')
-      echomsg 'Installing Vim-plug on your system'
-      let s:vim_plug_furl = 'https://raw.githubusercontent.com/junegunn/vim-plug/master/plug.vim'
-      silent execute printf('!curl -fLo %s --create-dirs %s', g:vim_plug_fpath, s:vim_plug_furl)
-      augroup plug_init
-          autocmd!
-          autocmd VimEnter * PlugInstall --sync | quit |source $MYVIMRC
-      augroup END
-    else
+    if !executable('curl')
       echoerr 'Curl not available on your system, you may install vim-plug by yourself.'
       finish
     endif
+    echomsg 'Installing Vim-plug on your system'
+    let s:vim_plug_furl = 'https://raw.githubusercontent.com/junegunn/vim-plug/master/plug.vim'
+    silent execute printf('!curl -fLo %s --create-dirs %s', g:vim_plug_fpath, s:vim_plug_furl)
+    augroup plug_init
+        autocmd!
+        autocmd VimEnter * PlugInstall --sync | quit |source $MYVIMRC
+    augroup END
   endif
 endif