findOrEmpty(); if ($per->isEmpty()) { $per = Permission::where('auth_name', '=', '热装楼盘')->findOrEmpty(); } if (!$per->isEmpty()){ $relation = $per['relation']; $new_relation = $relation . ',building/get_person,building/building_assigns,building/building_assigns_list,building/del_assign'; $per->relation = $new_relation; $per->save(); } } }