diff --git a/source/libs/parser/src/parTranslater.c b/source/libs/parser/src/parTranslater.c
index b513d10a3e..167b4bd43c 100644
--- a/source/libs/parser/src/parTranslater.c
+++ b/source/libs/parser/src/parTranslater.c
@@ -3193,7 +3193,7 @@ static EDealRes doCheckExprForGroupBy(SNode** pNode, void* pContext) {
   FOREACH(pGroupNode, getGroupByList(pCxt)) {
     SNode* pActualNode = getGroupByNode(pGroupNode);
     if (nodesEqualNode(pActualNode, *pNode)) {
-      return DEAL_RES_IGNORE_CHILD;
+      return rewriteExprToGroupKeyFunc(pCxt, pNode);
     }
     if (isTbnameFuction(pActualNode) && QUERY_NODE_COLUMN == nodeType(*pNode) &&
         ((SColumnNode*)*pNode)->colType == COLUMN_TYPE_TAG) {