diff --git a/src/system/detail/inc/vnodeQueryImpl.h b/src/system/detail/inc/vnodeQueryImpl.h
index 4ad6e8e78b053e97734783f821d974104b48f479..cb59d8597a35594ed150d633ac93141b5aee4ff2 100644
--- a/src/system/detail/inc/vnodeQueryImpl.h
+++ b/src/system/detail/inc/vnodeQueryImpl.h
@@ -228,7 +228,7 @@ void destroyMeterQueryInfo(SMeterQueryInfo* pMeterQueryInfo, int32_t numOfCols);
  * @param skey
  * @param ekey
  */
-void changeMeterQueryInfoForSuppleQuery(SQueryDiskbasedResultBuf* pResultBuf, SMeterQueryInfo* pMeterQueryInfo,
+void changeMeterQueryInfoForSuppleQuery(SQuery* pQuery, SMeterQueryInfo* pMeterQueryInfo,
                                         TSKEY skey, TSKEY ekey);
 
 /**
diff --git a/src/system/detail/src/vnodeQueryImpl.c b/src/system/detail/src/vnodeQueryImpl.c
index 42ae7ab33adf570ef07af4be3b2c7646b7456e8d..db47065a36e2eaf9844f5ed0a3a06abc7e95d813 100644
--- a/src/system/detail/src/vnodeQueryImpl.c
+++ b/src/system/detail/src/vnodeQueryImpl.c
@@ -1445,9 +1445,15 @@ static char *getDataBlocks(SQueryRuntimeEnv *pRuntimeEnv, SArithmeticSupport *sa
 }
 
 static bool isWindowResClosed(SWindowResInfo *pWindowResInfo, int32_t slot) {
+  assert(pWindowResInfo != NULL && slot >= 0 && slot < pWindowResInfo->size);
   return (pWindowResInfo->pResult[slot].status.closed == true);
 }
 
+static SWindowResult* getWindowResult(SWindowResInfo *pWindowResInfo, int32_t slot) {
+  assert(pWindowResInfo != NULL && slot >= 0 && slot < pWindowResInfo->size);
+  return &pWindowResInfo->pResult[slot];
+}
+
 static int32_t curTimeWindow(SWindowResInfo *pWindowResInfo) {
   assert(pWindowResInfo->curIndex >= 0 && pWindowResInfo->curIndex < pWindowResInfo->size);
   return pWindowResInfo->curIndex;
@@ -1516,8 +1522,6 @@ static STimeWindow getActiveTimeWindow(SWindowResInfo *pWindowResInfo, int64_t t
     w.ekey = w.skey + pQuery->intervalTime - 1;
   }
 
-  assert(ts >= w.skey && ts <= w.ekey && w.skey != 0);
-
   // query border check
   if (w.ekey > pQuery->ekey && QUERY_IS_ASC_QUERY(pQuery)) {
     w.ekey = pQuery->ekey;
@@ -1526,6 +1530,11 @@ static STimeWindow getActiveTimeWindow(SWindowResInfo *pWindowResInfo, int64_t t
     w.skey = pQuery->ekey;
   }
 
+  assert(ts >= w.skey && ts <= w.ekey && w.skey != 0);
+  if (w.skey == 1542597000000) {
+    int32_t k = 1;
+  }
+  
   return w;
 }
 
@@ -1559,6 +1568,9 @@ static int32_t addNewWindowResultBuf(SWindowResult *pWindowRes, SQueryDiskbasedR
     return -1;
   }
 
+  if (pageId == 153 && pData->numOfElems >= 138) {
+    int32_t k = 1;
+  }
   // set the number of rows in current disk page
   if (pWindowRes->pos.pageId == -1) {  // not allocated yet, allocate new buffer
     pWindowRes->pos.pageId = pageId;
@@ -1686,7 +1698,7 @@ static int32_t getNumOfRowsInTimeWindow(SQuery *pQuery, SBlockInfo *pBlockInfo,
         assert(ekey < pPrimaryColumn[startPos]);
       } else {
         if (updateLastKey) {
-          pQuery->lastKey = MAX(ekey, pPrimaryColumn[startPos + (num - 1)]) + step;
+          pQuery->lastKey = pPrimaryColumn[startPos + (num - 1)] + step;
         }
       }
     } else {
@@ -1702,7 +1714,7 @@ static int32_t getNumOfRowsInTimeWindow(SQuery *pQuery, SBlockInfo *pBlockInfo,
         assert(ekey > pPrimaryColumn[startPos]);
       } else {
         if (updateLastKey) {
-          pQuery->lastKey = MIN(ekey, pPrimaryColumn[startPos - (num - 1)]) + step;
+          pQuery->lastKey = pPrimaryColumn[startPos - (num - 1)] + step;
         }
       }
     } else {
@@ -1712,6 +1724,10 @@ static int32_t getNumOfRowsInTimeWindow(SQuery *pQuery, SBlockInfo *pBlockInfo,
       }
     }
   }
+  
+  if (pQuery->lastKey == 1542597000001) {
+    int32_t k = 1;
+  }
 
   assert(num >= 0);
   return num;
@@ -1849,12 +1865,20 @@ static int32_t blockwiseApplyAllFunctions(SQueryRuntimeEnv *pRuntimeEnv, int32_t
     TSKEY   ts = primaryKeyCol[offset];
 
     STimeWindow win = getActiveTimeWindow(pWindowResInfo, ts, pQuery);
+    if (win.skey >= 1542597000000 && pRuntimeEnv->pMeterObj->sid == 9 && IS_MASTER_SCAN(pRuntimeEnv)) {
+      int32_t k = 1;
+    }
+  
+    if (win.skey >= 1542597000000 && pRuntimeEnv->pMeterObj->sid == 9 && !IS_MASTER_SCAN(pRuntimeEnv)) {
+      int32_t k = 1;
+    }
+    
     if (setWindowOutputBufByKey(pRuntimeEnv, pWindowResInfo, pRuntimeEnv->pMeterObj->sid, &win) != TSDB_CODE_SUCCESS) {
       return 0;
     }
-
+    
     TSKEY ekey = QUERY_IS_ASC_QUERY(pQuery) ? win.ekey : win.skey;
-    forwardStep = getNumOfRowsInTimeWindow(pQuery, pBlockInfo, primaryKeyCol, pQuery->pos, ekey, searchFn, false);
+    forwardStep = getNumOfRowsInTimeWindow(pQuery, pBlockInfo, primaryKeyCol, pQuery->pos, ekey, searchFn, true);
 
     SWindowStatus *pStatus = getTimeWindowResStatus(pWindowResInfo, curTimeWindow(pWindowResInfo));
     doBlockwiseApplyFunctions(pRuntimeEnv, pStatus, &win, pQuery->pos, forwardStep);
@@ -1868,7 +1892,11 @@ static int32_t blockwiseApplyAllFunctions(SQueryRuntimeEnv *pRuntimeEnv, int32_t
       if (startPos < 0) {
         break;
       }
-
+      
+      if (nextWin.skey >= 1542597000000 && pRuntimeEnv->pMeterObj->sid == 9 && IS_MASTER_SCAN(pRuntimeEnv)) {
+        int32_t k = 1;
+      }
+      
       // null data, failed to allocate more memory buffer
       int32_t sid = pRuntimeEnv->pMeterObj->sid;
       if (setWindowOutputBufByKey(pRuntimeEnv, pWindowResInfo, sid, &nextWin) != TSDB_CODE_SUCCESS) {
@@ -1876,7 +1904,7 @@ static int32_t blockwiseApplyAllFunctions(SQueryRuntimeEnv *pRuntimeEnv, int32_t
       }
 
       ekey = QUERY_IS_ASC_QUERY(pQuery) ? nextWin.ekey : nextWin.skey;
-      forwardStep = getNumOfRowsInTimeWindow(pQuery, pBlockInfo, primaryKeyCol, startPos, ekey, searchFn, false);
+      forwardStep = getNumOfRowsInTimeWindow(pQuery, pBlockInfo, primaryKeyCol, startPos, ekey, searchFn, true);
 
       pStatus = getTimeWindowResStatus(pWindowResInfo, curTimeWindow(pWindowResInfo));
       doBlockwiseApplyFunctions(pRuntimeEnv, pStatus, &nextWin, startPos, forwardStep);
@@ -5486,7 +5514,7 @@ static void printBinaryData(int32_t functionId, char *data, int32_t srcDataType)
 
 void UNUSED_FUNC displayInterResult(SData **pdata, SQuery *pQuery, int32_t numOfRows) {
   int32_t numOfCols = pQuery->numOfOutputCols;
-  printf("metric query intern-result, total:%d\n", numOfRows);
+  printf("super table query intermediate result, total:%d\n", numOfRows);
 
   SQInfo *   pQInfo = (SQInfo *)(GET_QINFO_ADDR(pQuery));
   SMeterObj *pMeterObj = pQInfo->pObj;
@@ -5720,6 +5748,8 @@ int32_t doMergeMetersResultsToGroupRes(STableQuerySupportObj *pSupporter, SQuery
     tFilePage *               pPage = getMeterDataPage(pResultBuf, pTableList[pos]->pMeterQInfo, position->pageIdx);
 
     int64_t ts = getCurrentTimestamp(&cs, pos);
+    assert(ts > 0);
+    
     if (ts == lastTimestamp) {  // merge with the last one
       doMerge(pRuntimeEnv, ts, pPage, position->rowIdx, true);
     } else {
@@ -6559,15 +6589,25 @@ void destroyMeterQueryInfo(SMeterQueryInfo *pMeterQueryInfo, int32_t numOfCols)
   free(pMeterQueryInfo);
 }
 
-void changeMeterQueryInfoForSuppleQuery(SQueryDiskbasedResultBuf *pResultBuf, SMeterQueryInfo *pMeterQueryInfo,
+void changeMeterQueryInfoForSuppleQuery(SQuery* pQuery, SMeterQueryInfo *pMeterQueryInfo,
                                         TSKEY skey, TSKEY ekey) {
   if (pMeterQueryInfo == NULL) {
     return;
   }
 
+  //order has change already!
+  int32_t step = GET_FORWARD_DIRECTION_FACTOR(pQuery->order.order);
+  if (!QUERY_IS_ASC_QUERY(pQuery)) {
+    assert(pMeterQueryInfo->ekey >= pMeterQueryInfo->lastKey + step);
+  } else {
+    assert(pMeterQueryInfo->ekey <= pMeterQueryInfo->lastKey + step);
+  }
+  
+  pMeterQueryInfo->ekey = pMeterQueryInfo->lastKey + step;
+  
   SWAP(pMeterQueryInfo->skey, pMeterQueryInfo->ekey, TSKEY);
   pMeterQueryInfo->lastKey = pMeterQueryInfo->skey;
-
+  
   //  pMeterQueryInfo->queryRangeSet = 0;
   pMeterQueryInfo->cur.order = pMeterQueryInfo->cur.order ^ 1;
   pMeterQueryInfo->cur.vnodeIndex = -1;
@@ -7524,15 +7564,20 @@ void applyIntervalQueryOnBlock(STableQuerySupportObj *pSupporter, SMeterDataInfo
   if (pQuery->intervalTime == 0) {  // todo refactor
     SWindowResInfo *p1 = &pRuntimeEnv->windowResInfo;
     for (int32_t i = 0; i < p1->size; ++i) {
-      p1->pResult[i].numOfRows = p1->pResult->resultInfo->numOfRes;
+      SWindowResult* pResult = getWindowResult(p1, i);
+      if (isWindowResClosed(p1, i) && pResult->numOfRows == 0) {
+        pResult->numOfRows = getNumOfResult(pRuntimeEnv);
+      }
     }
   }
 
-  int32_t step = GET_FORWARD_DIRECTION_FACTOR(pQuery->order.order);
-  if ((pQuery->lastKey > pSupporter->rawEKey && QUERY_IS_ASC_QUERY(pQuery)) ||
-      (pQuery->lastKey < pSupporter->rawEKey && !QUERY_IS_ASC_QUERY(pQuery))) {
-    pMeterQueryInfo->ekey = pQuery->lastKey - step;
-  }
+  // get the true maximum timestamp within the query range to set the correct time window
+  // in the supplementary query
+//  int32_t step = GET_FORWARD_DIRECTION_FACTOR(pQuery->order.order);
+//  if ((pQuery->lastKey > pBlockInfo->keyLast && QUERY_IS_ASC_QUERY(pQuery)) ||
+//      (pQuery->lastKey < pBlockInfo->keyFirst && !QUERY_IS_ASC_QUERY(pQuery))) {
+//    pMeterQueryInfo->ekey = pQuery->lastKey - step;
+//  }
 
   updatelastkey(pQuery, pMeterQueryInfo);
 }
diff --git a/src/system/detail/src/vnodeQueryProcess.c b/src/system/detail/src/vnodeQueryProcess.c
index b937cffbbb8ee662cf126a19d56c30e5828e7899..03aae6f5d2332085ef83496618cfecf536380dce 100644
--- a/src/system/detail/src/vnodeQueryProcess.c
+++ b/src/system/detail/src/vnodeQueryProcess.c
@@ -849,10 +849,11 @@ static void doOrderedScan(SQInfo *pQInfo) {
 }
 
 static void setupMeterQueryInfoForSupplementQuery(STableQuerySupportObj *pSupporter) {
+  SQuery* pQuery = pSupporter->runtimeEnv.pQuery;
+  
   for (int32_t i = 0; i < pSupporter->numOfMeters; ++i) {
-    SMeterQueryInfo *         pMeterQueryInfo = pSupporter->pMeterDataInfo[i].pMeterQInfo;
-    SQueryDiskbasedResultBuf *pResultBuf = pSupporter->runtimeEnv.pResultBuf;
-    changeMeterQueryInfoForSuppleQuery(pResultBuf, pMeterQueryInfo, pSupporter->rawSKey, pSupporter->rawEKey);
+    SMeterQueryInfo *pMeterQueryInfo = pSupporter->pMeterDataInfo[i].pMeterQInfo;
+    changeMeterQueryInfoForSuppleQuery(pQuery, pMeterQueryInfo, pSupporter->rawSKey, pSupporter->rawEKey);
   }
 }