/**
  * @param \Notadd\Menu\Requests\MenuGroupCreateRequest $request
  * @return \Illuminate\Http\RedirectResponse
  */
 public function store(MenuGroupCreateRequest $request)
 {
     $group = new MenuGroup();
     if ($group->create($request->all())) {
         return $this->redirect->back();
     } else {
         return $this->redirect->back()->withInput()->withErrors('保存失败!');
     }
 }