$role->id, 'nickname' => $role->nickname, 'name' => $role->name, 'guard_name' => $role->guard_name, 'is_system' => $role->is_system, 'sort' => $role->sort, 'status' => $role->status, 'created_at' => $role->created_at ? $role->created_at->format('Y-m-d H:i:s') : null, ]; } }