structure: fix err check (#23003)
structure: fix err check (#23003)

 
ngaut/tidb,ngaut/tidb,kyle-wang/tidb,coocood/tidb,pingcap/tidb,ngaut/tidb,kyle-wang/tidb,pingcap/tidb,pingcap/tidb,ngaut/tidb,c4pt0r/tidb,pingcap/tidb,kyle-wang/tidb,pingcap/tidb,pingcap/tidb,kyle-wang/tidb,c4pt0r/tidb,kyle-wang/tidb,ngaut/tidb,c4pt0r/tidb,coocood/tidb,c4pt0r/tidb,c4pt0r/tidb,kyle-wang/tidb,ngaut/tidb,c4pt0r/tidb