错误信息：dataHierarchy(): Argument #2 ($parentId) must be of type int, null given, called in /home/hengrun/hengrun.gz12.hostadm.net2/public_html/app/en/controller/ProductController.php on line 58 文件：/home/hengrun/hengrun.gz12.hostadm.net2/public_html/app/common/helper/Function.php 行数：365行