diff --git a/source/libs/parser/src/parTranslater.c b/source/libs/parser/src/parTranslater.c
index e37a627f8d9e02a6354c9d84a3e784d65f44b9c0..07a0d357ba5acb7f47e4d019bd50a265bc45d77e 100644
--- a/source/libs/parser/src/parTranslater.c
+++ b/source/libs/parser/src/parTranslater.c
@@ -3446,7 +3446,11 @@ static int32_t extractQueryResultSchema(const SNodeList* pProjections, int32_t*
     (*pSchema)[index].type = pExpr->resType.type;
     (*pSchema)[index].bytes = pExpr->resType.bytes;
     (*pSchema)[index].colId = index + 1;
-    strcpy((*pSchema)[index].name, pExpr->userAlias);
+    if ('\0' != pExpr->userAlias[0]) {
+      strcpy((*pSchema)[index].name, pExpr->userAlias);
+    } else {
+      strcpy((*pSchema)[index].name, pExpr->aliasName);
+    }
     index += 1;
   }
 
diff --git a/source/libs/parser/src/parser.c b/source/libs/parser/src/parser.c
index 213140806b167fcdfc4ec13305062353f74981a6..688e20063a4f02f3b077b116e1b702c428562c71 100644
--- a/source/libs/parser/src/parser.c
+++ b/source/libs/parser/src/parser.c
@@ -139,6 +139,7 @@ static int32_t setValueByBindParam(SValueNode* pVal, TAOS_MULTI_BIND* pParam) {
 
 static EDealRes rewriteQueryExprAliasImpl(SNode* pNode, void* pContext) {
   if (nodesIsExprNode(pNode) && QUERY_NODE_COLUMN != nodeType(pNode) && '\0' == ((SExprNode*)pNode)->userAlias[0]) {
+    strcpy(((SExprNode*)pNode)->userAlias, ((SExprNode*)pNode)->aliasName);
     sprintf(((SExprNode*)pNode)->aliasName, "#%d", *(int32_t*)pContext);
     ++(*(int32_t*)pContext);
   }