* fix bug caused by wrong valid row initlization
Signed-off-by: Ngodchen0212 <qingxiang.chen@zilliz.com>

* fix bug caused by wrong valid row initlization
Signed-off-by: Ngodchen0212 <qingxiang.chen@zilliz.com>
Co-authored-by: NWang Xiangyu <xy.wang@zilliz.com>