public function updateProfile(Request $request)
 {
     $user = Auth::user();
     $this->validate($request, ['name' => 'required']);
     $this->userRepository->update($user, ['name' => $request->input('name'), 'phone' => $request->input('phone'), 'wechat' => $request->input('wechat')]);
     $this->flashSuccess('update');
     return back();
 }