diff --git a/src/client/inc/tscUtil.h b/src/client/inc/tscUtil.h
index 0b2d4fd115850aa21d76ef274e62ebaaac04bc4c..e11748efbeb58c22c15fde12d6500a5f304d439f 100644
--- a/src/client/inc/tscUtil.h
+++ b/src/client/inc/tscUtil.h
@@ -143,6 +143,7 @@ bool tscIsSessionWindowQuery(SQueryInfo* pQueryInfo);
 bool tscIsSecondStageQuery(SQueryInfo* pQueryInfo);
 bool tsIsArithmeticQueryOnAggResult(SQueryInfo* pQueryInfo);
 bool tscGroupbyColumn(SQueryInfo* pQueryInfo);
+int32_t tscGetTopBotQueryExprIndex(SQueryInfo* pQueryInfo);
 bool tscIsTopBotQuery(SQueryInfo* pQueryInfo);
 bool hasTagValOutput(SQueryInfo* pQueryInfo);
 bool timeWindowInterpoRequired(SQueryInfo *pQueryInfo);
diff --git a/src/client/src/tscSQLParser.c b/src/client/src/tscSQLParser.c
index 4e5245742cf3b57faa104904f2789d9be0e21961..968d62d9391c4f704cdff4ce6fb86c6f23d6fc3e 100644
--- a/src/client/src/tscSQLParser.c
+++ b/src/client/src/tscSQLParser.c
@@ -5613,11 +5613,13 @@ int32_t validateOrderbyNode(SSqlCmd* pCmd, SQueryInfo* pQueryInfo, SSqlNode* pSq
         pQueryInfo->groupbyExpr.orderType = p1->sortOrder;
         pQueryInfo->order.orderColId = pSchema[index.columnIndex].colId;
       } else if (isTopBottomQuery(pQueryInfo)) {
+        int32_t topBotIndex = tscGetTopBotQueryExprIndex(pQueryInfo);
+        assert(topBotIndex >= 1);
         /* order of top/bottom query in interval is not valid  */
-        SExprInfo* pExpr = tscExprGet(pQueryInfo, 0);
+        SExprInfo* pExpr = tscExprGet(pQueryInfo, topBotIndex-1);
         assert(pExpr->base.functionId == TSDB_FUNC_TS);
 
-        pExpr = tscExprGet(pQueryInfo, 1);
+        pExpr = tscExprGet(pQueryInfo, topBotIndex);
         if (pExpr->base.colInfo.colIndex != index.columnIndex && index.columnIndex != PRIMARYKEY_TIMESTAMP_COL_INDEX) {
           return invalidOperationMsg(pMsgBuf, msg2);
         }
@@ -5706,11 +5708,13 @@ int32_t validateOrderbyNode(SSqlCmd* pCmd, SQueryInfo* pQueryInfo, SSqlNode* pSq
         SColIndex* pColIndex = taosArrayGet(columnInfo, 0);
         validOrder = (pColIndex->colIndex == index.columnIndex);
       } else {
+        int32_t topBotIndex = tscGetTopBotQueryExprIndex(pQueryInfo);
+        assert(topBotIndex >= 1);
         /* order of top/bottom query in interval is not valid  */
-        SExprInfo* pExpr = tscExprGet(pQueryInfo, 0);
+        SExprInfo* pExpr = tscExprGet(pQueryInfo, topBotIndex-1);
         assert(pExpr->base.functionId == TSDB_FUNC_TS);
 
-        pExpr = tscExprGet(pQueryInfo, 1);
+        pExpr = tscExprGet(pQueryInfo, topBotIndex);
         if (pExpr->base.colInfo.colIndex != index.columnIndex && index.columnIndex != PRIMARYKEY_TIMESTAMP_COL_INDEX) {
           return invalidOperationMsg(pMsgBuf, msg2);
         }
diff --git a/src/client/src/tscUtil.c b/src/client/src/tscUtil.c
index 612d6a564240727ba9bbdffcdf7c87373682f396..6e0bf6f7d211e370503a5f0d948ac2a391f9db20 100644
--- a/src/client/src/tscUtil.c
+++ b/src/client/src/tscUtil.c
@@ -369,6 +369,27 @@ bool tscGroupbyColumn(SQueryInfo* pQueryInfo) {
   return false;
 }
 
+int32_t tscGetTopBotQueryExprIndex(SQueryInfo* pQueryInfo) {
+  size_t numOfExprs = tscNumOfExprs(pQueryInfo);
+
+  for (int32_t i = 0; i < numOfExprs; ++i) {
+    SExprInfo* pExpr = tscExprGet(pQueryInfo, i);
+    if (pExpr == NULL) {
+      continue;
+    }
+
+    if (pExpr->base.functionId == TSDB_FUNC_TS) {
+      continue;
+    }
+
+    if (pExpr->base.functionId == TSDB_FUNC_TOP || pExpr->base.functionId == TSDB_FUNC_BOTTOM) {
+      return i;
+    }
+  }
+
+  return -1;
+}
+
 bool tscIsTopBotQuery(SQueryInfo* pQueryInfo) {
   size_t numOfExprs = tscNumOfExprs(pQueryInfo);