diff --git a/include/common/tcommon.h b/include/common/tcommon.h
index a14f7eff8a0f4b8f455a96a3a83a6be09c4995f0..928fe0aa0ec8ed9344791cd2bb06f9f660aa854a 100644
--- a/include/common/tcommon.h
+++ b/include/common/tcommon.h
@@ -42,12 +42,13 @@ enum {
 typedef enum EStreamType {
   STREAM_NORMAL = 1,
   STREAM_INVERT,
-  STREAM_REPROCESS,
+  STREAM_CLEAR,
   STREAM_INVALID,
   STREAM_GET_ALL,
   STREAM_DELETE,
   STREAM_RETRIEVE,
   STREAM_PUSH_DATA,
+  STREAM_PUSH_EMPTY,
 } EStreamType;
 
 typedef struct {
diff --git a/include/common/tdatablock.h b/include/common/tdatablock.h
index 2a0d4e7ff69e79b10f7c0f0d47aa818f918c8a38..2e2c7d1700c5f0981201aaf76050eab94f601ef0 100644
--- a/include/common/tdatablock.h
+++ b/include/common/tdatablock.h
@@ -224,6 +224,7 @@ size_t blockDataGetCapacityInRow(const SSDataBlock* pBlock, size_t pageSize);
 int32_t blockDataTrimFirstNRows(SSDataBlock* pBlock, size_t n);
 
 int32_t      assignOneDataBlock(SSDataBlock* dst, const SSDataBlock* src);
+int32_t copyDataBlock(SSDataBlock* dst, const SSDataBlock* src);
 SSDataBlock* createOneDataBlock(const SSDataBlock* pDataBlock, bool copyData);
 SSDataBlock* createDataBlock();
 int32_t      blockDataAppendColInfo(SSDataBlock* pBlock, SColumnInfoData* pColInfoData);
@@ -236,6 +237,8 @@ void        blockCompressEncode(const SSDataBlock* pBlock, char* data, int32_t*
 const char* blockCompressDecode(SSDataBlock* pBlock, int32_t numOfCols, int32_t numOfRows, const char* pData);
 
 void blockDebugShowData(const SArray* dataBlocks, const char* flag);
+// for debug
+char* dumpBlockData(SSDataBlock* pDataBlock, const char* flag, char** dumpBuf);
 
 int32_t buildSubmitReqFromDataBlock(SSubmitReq** pReq, const SArray* pDataBlocks, STSchema* pTSchema, int32_t vgId,
                                     tb_uid_t suid);
diff --git a/include/libs/stream/tstream.h b/include/libs/stream/tstream.h
index 594344ba8a508e4e35260e122e9ab9ac1f8e25c3..db928f194c612cc2e4eb40742499bf1d172c837e 100644
--- a/include/libs/stream/tstream.h
+++ b/include/libs/stream/tstream.h
@@ -319,7 +319,7 @@ static FORCE_INLINE int32_t streamTaskInput(SStreamTask* pTask, SStreamQueueItem
       return -1;
     }
     taosWriteQitem(pTask->inputQueue->queue, pSubmitClone);
-  } else if (pItem->type == STREAM_INPUT__DATA_BLOCK) {
+  } else if (pItem->type == STREAM_INPUT__DATA_BLOCK || pItem->type == STREAM_INPUT__DATA_RETRIEVE) {
     taosWriteQitem(pTask->inputQueue->queue, pItem);
   } else if (pItem->type == STREAM_INPUT__CHECKPOINT) {
     taosWriteQitem(pTask->inputQueue->queue, pItem);
diff --git a/include/libs/stream/tstreamUpdate.h b/include/libs/stream/tstreamUpdate.h
index 398851a09f139fe009cabfd3939d1ebc4416d0c5..21a1515d8f79dfe17eee61420e07843d896b57eb 100644
--- a/include/libs/stream/tstreamUpdate.h
+++ b/include/libs/stream/tstreamUpdate.h
@@ -32,12 +32,15 @@ typedef struct SUpdateInfo {
   int64_t interval;
   int64_t watermark;
   TSKEY minTS;
+  SScalableBf* pCloseWinSBF;
 } SUpdateInfo;
 
 SUpdateInfo *updateInfoInitP(SInterval* pInterval, int64_t watermark);
 SUpdateInfo *updateInfoInit(int64_t interval, int32_t precision, int64_t watermark);
 bool updateInfoIsUpdated(SUpdateInfo *pInfo, tb_uid_t tableId, TSKEY ts);
 void updateInfoDestroy(SUpdateInfo *pInfo);
+void updateInfoAddCloseWindowSBF(SUpdateInfo *pInfo);
+void updateInfoDestoryColseWinSBF(SUpdateInfo *pInfo);
 
 #ifdef __cplusplus
 }
diff --git a/source/common/src/tdatablock.c b/source/common/src/tdatablock.c
index 593f8c5c0bb55975d29957c2ea80349c152ac4fd..cc995c4d648d86481d54c68eac9f35d40ddc9110 100644
--- a/source/common/src/tdatablock.c
+++ b/source/common/src/tdatablock.c
@@ -1164,7 +1164,7 @@ int32_t colInfoDataEnsureCapacity(SColumnInfoData* pColumn, uint32_t numOfRows)
 
 int32_t blockDataEnsureCapacity(SSDataBlock* pDataBlock, uint32_t numOfRows) {
   int32_t code = 0;
-  ASSERT(numOfRows > 0);
+  //ASSERT(numOfRows > 0);
 
   if (numOfRows == 0) {
     return TSDB_CODE_SUCCESS;
@@ -1230,6 +1230,32 @@ int32_t assignOneDataBlock(SSDataBlock* dst, const SSDataBlock* src) {
   return 0;
 }
 
+int32_t copyDataBlock(SSDataBlock* dst, const SSDataBlock* src) {
+  ASSERT(src != NULL && dst != NULL);
+
+  blockDataCleanup(dst);
+  int32_t code = blockDataEnsureCapacity(dst, src->info.rows);
+  if (code != TSDB_CODE_SUCCESS) {
+    terrno = code;
+    return code;
+  }
+
+  size_t numOfCols = taosArrayGetSize(src->pDataBlock);
+  for (int32_t i = 0; i < numOfCols; ++i) {
+    SColumnInfoData* pDst = taosArrayGet(dst->pDataBlock, i);
+    SColumnInfoData* pSrc = taosArrayGet(src->pDataBlock, i);
+    if (pSrc->pData == NULL) {
+      continue;
+    }
+
+    colDataAssign(pDst, pSrc, src->info.rows, &src->info);
+  }
+
+  dst->info.rows = src->info.rows;
+  dst->info.window = src->info.window;
+  return TSDB_CODE_SUCCESS;
+}
+
 SSDataBlock* createOneDataBlock(const SSDataBlock* pDataBlock, bool copyData) {
   if (pDataBlock == NULL) {
     return NULL;
@@ -1627,6 +1653,56 @@ void blockDebugShowData(const SArray* dataBlocks, const char* flag) {
   }
 }
 
+// for debug
+char* dumpBlockData(SSDataBlock* pDataBlock, const char* flag, char** pDataBuf) {
+  int32_t size = 2048;
+  *pDataBuf = taosMemoryCalloc(size, 1);
+  char* dumpBuf = *pDataBuf;
+  char pBuf[128] = {0};
+  int32_t colNum = taosArrayGetSize(pDataBlock->pDataBlock);
+  int32_t rows = pDataBlock->info.rows;
+  int32_t len = 0;
+  len += snprintf(dumpBuf + len, size - len, "\n%s |block type %d |child id %d|\n", flag, (int32_t)pDataBlock->info.type, pDataBlock->info.childId);
+  for (int32_t j = 0; j < rows; j++) {
+    len += snprintf(dumpBuf + len, size - len, "%s |", flag);
+    for (int32_t k = 0; k < colNum; k++) {
+      SColumnInfoData* pColInfoData = taosArrayGet(pDataBlock->pDataBlock, k);
+      void*            var = POINTER_SHIFT(pColInfoData->pData, j * pColInfoData->info.bytes);
+      if (colDataIsNull(pColInfoData, rows, j, NULL)) {
+        len += snprintf(dumpBuf + len, size - len, " %15s |", "NULL");
+        continue;
+      }
+      switch (pColInfoData->info.type) {
+        case TSDB_DATA_TYPE_TIMESTAMP:
+          formatTimestamp(pBuf, *(uint64_t*)var, TSDB_TIME_PRECISION_MILLI);
+          len += snprintf(dumpBuf + len, size - len, " %25s |", pBuf);
+          break;
+        case TSDB_DATA_TYPE_INT:
+          len += snprintf(dumpBuf + len, size - len, " %15d |", *(int32_t*)var);
+          break;
+        case TSDB_DATA_TYPE_UINT:
+          len += snprintf(dumpBuf + len, size - len, " %15u |", *(uint32_t*)var);
+          break;
+        case TSDB_DATA_TYPE_BIGINT:
+          len += snprintf(dumpBuf + len, size - len, " %15ld |", *(int64_t*)var);
+          break;
+        case TSDB_DATA_TYPE_UBIGINT:
+          len += snprintf(dumpBuf + len, size - len, " %15lu |", *(uint64_t*)var);
+          break;
+        case TSDB_DATA_TYPE_FLOAT:
+          len += snprintf(dumpBuf + len, size - len, " %15f |", *(float*)var);
+          break;
+        case TSDB_DATA_TYPE_DOUBLE:
+          len += snprintf(dumpBuf + len, size - len, " %15lf |", *(double*)var);
+          break;
+      }
+    }
+    len += snprintf(dumpBuf + len, size - len, "\n");
+  }
+  len += snprintf(dumpBuf + len, size - len, "%s |end\n", flag);
+  return dumpBuf;
+}
+
 /**
  * @brief TODO: Assume that the final generated result it less than 3M
  *
diff --git a/source/dnode/snode/src/snode.c b/source/dnode/snode/src/snode.c
index 3a92cba7731576658a8fa9edc9402c2c0e0ab068..b13e654cafa61e95996e31a437bb5fef45385200 100644
--- a/source/dnode/snode/src/snode.c
+++ b/source/dnode/snode/src/snode.c
@@ -257,7 +257,7 @@ int32_t sndProcessSMsg(SSnode *pSnode, SRpcMsg *pMsg) {
     case TDMT_STREAM_TASK_RECOVER_RSP:
       return sndProcessTaskRecoverRsp(pSnode, pMsg);
     case TDMT_STREAM_RETRIEVE_RSP:
-      return sndProcessTaskRecoverRsp(pSnode, pMsg);
+      return sndProcessTaskRetrieveRsp(pSnode, pMsg);
     default:
       ASSERT(0);
   }
diff --git a/source/dnode/vnode/src/tq/tqRead.c b/source/dnode/vnode/src/tq/tqRead.c
index 6184d8f81092d491fd6defd8aa93c884722a2cdc..96f4eb3fd9951b311c8f9145f611202dbcc112ba 100644
--- a/source/dnode/vnode/src/tq/tqRead.c
+++ b/source/dnode/vnode/src/tq/tqRead.c
@@ -109,11 +109,15 @@ int32_t tqReadHandleSetMsg(STqReadHandle* pReadHandle, SSubmitReq* pMsg, int64_t
 }
 
 bool tqNextDataBlock(STqReadHandle* pHandle) {
+  if (pHandle->pMsg == NULL) return false;
   while (1) {
     if (tGetSubmitMsgNext(&pHandle->msgIter, &pHandle->pBlock) < 0) {
       return false;
     }
-    if (pHandle->pBlock == NULL) return false;
+    if (pHandle->pBlock == NULL) {
+      pHandle->pMsg = NULL;
+      return false;
+    }
 
     if (pHandle->tbIdHash == NULL) {
       return true;
diff --git a/source/libs/executor/inc/executorimpl.h b/source/libs/executor/inc/executorimpl.h
index d8d231e95288bc4edf842c1cff9c607796614d65..36f81e86ffeebbec4a5d94a0b139359a578e862c 100644
--- a/source/libs/executor/inc/executorimpl.h
+++ b/source/libs/executor/inc/executorimpl.h
@@ -293,6 +293,7 @@ typedef enum EStreamScanMode {
   STREAM_SCAN_FROM_RES,
   STREAM_SCAN_FROM_UPDATERES,
   STREAM_SCAN_FROM_DATAREADER,
+  STREAM_SCAN_FROM_DATAREADER_RETRIEVE,
 } EStreamScanMode;
 
 typedef struct SCatchSupporter {
@@ -348,7 +349,9 @@ typedef struct SStreamBlockScanInfo {
   SArray*        childIds;
   SessionWindowSupporter sessionSup;
   bool            assignBlockUid; // assign block uid to groupId, temporarily used for generating rollup SMA.
-  int32_t         scanWinIndex;
+  int32_t         scanWinIndex;   // for state operator
+  int32_t         pullDataResIndex;
+  SSDataBlock*    pPullDataRes;             // pull data SSDataBlock
 } SStreamBlockScanInfo;
 
 typedef struct SSysTableScanInfo {
@@ -427,8 +430,13 @@ typedef struct SStreamFinalIntervalOperatorInfo {
   STimeWindowAggSupp twAggSup;
   SArray*            pChildren;
   SSDataBlock*       pUpdateRes;
+  bool               returnUpdate;
   SPhysiNode*        pPhyNode;           // create new child
   bool               isFinal;
+  SHashObj*          pPullDataMap;
+  SArray*            pPullWins;          // SPullWindowInfo
+  int32_t            pullIndex;
+  SSDataBlock*       pPullDataRes;
 } SStreamFinalIntervalOperatorInfo;
 
 typedef struct SAggOperatorInfo {
@@ -851,6 +859,7 @@ SOperatorInfo* createTableMergeScanOperatorInfo(STableScanPhysiNode* pTableScanN
 void copyUpdateDataBlock(SSDataBlock* pDest, SSDataBlock* pSource, int32_t tsColIndex);
 
 int32_t generateGroupIdMap(STableListInfo* pTableListInfo, SReadHandle* pHandle, SNodeList* groupKey);
+SSDataBlock* createPullDataBlock();
 
 #ifdef __cplusplus
 }
diff --git a/source/libs/executor/src/scanoperator.c b/source/libs/executor/src/scanoperator.c
index 7affac76d2a06ac89116481c3cf504a30109aaf3..edf98deed4ba6de2bd157894d96a00dbb28dacfc 100644
--- a/source/libs/executor/src/scanoperator.c
+++ b/source/libs/executor/src/scanoperator.c
@@ -776,15 +776,14 @@ static bool isStateWindow(SStreamBlockScanInfo* pInfo) {
   return pInfo->sessionSup.parentType == QUERY_NODE_PHYSICAL_PLAN_STREAM_STATE;
 }
 
-static bool prepareDataScan(SStreamBlockScanInfo* pInfo) {
-  SSDataBlock* pSDB = pInfo->pUpdateRes;
+static bool prepareDataScan(SStreamBlockScanInfo* pInfo, SSDataBlock* pSDB, int32_t tsColIndex, int32_t* pRowIndex) {
   STimeWindow  win = {
        .skey = INT64_MIN,
        .ekey = INT64_MAX,
   };
   bool needRead = false;
-  if (!isStateWindow(pInfo) && pInfo->updateResIndex < pSDB->info.rows) {
-    SColumnInfoData* pColDataInfo = taosArrayGet(pSDB->pDataBlock, pInfo->primaryTsIndex);
+  if (!isStateWindow(pInfo) && (*pRowIndex) < pSDB->info.rows) {
+    SColumnInfoData* pColDataInfo = taosArrayGet(pSDB->pDataBlock, tsColIndex);
     TSKEY*           tsCols = (TSKEY*)pColDataInfo->pData;
     SResultRowInfo   dumyInfo;
     dumyInfo.cur.pageId = -1;
@@ -793,14 +792,14 @@ static bool prepareDataScan(SStreamBlockScanInfo* pInfo) {
       int64_t              gap = pInfo->sessionSup.gap;
       int32_t              winIndex = 0;
       SResultWindowInfo*   pCurWin =
-          getSessionTimeWindow(pAggSup, tsCols[pInfo->updateResIndex], INT64_MIN, pSDB->info.groupId, gap, &winIndex);
+          getSessionTimeWindow(pAggSup, tsCols[(*pRowIndex)], INT64_MIN, pSDB->info.groupId, gap, &winIndex);
       win = pCurWin->win;
-      pInfo->updateResIndex +=
-          updateSessionWindowInfo(pCurWin, tsCols, NULL, pSDB->info.rows, pInfo->updateResIndex, gap, NULL);
+      (*pRowIndex) +=
+          updateSessionWindowInfo(pCurWin, tsCols, NULL, pSDB->info.rows, (*pRowIndex), gap, NULL);
     } else {
-      win = getActiveTimeWindow(NULL, &dumyInfo, tsCols[pInfo->updateResIndex], &pInfo->interval,
+      win = getActiveTimeWindow(NULL, &dumyInfo, tsCols[(*pRowIndex)], &pInfo->interval,
                                 pInfo->interval.precision, NULL);
-      pInfo->updateResIndex += getNumOfRowsInTimeWindow(&pSDB->info, tsCols, pInfo->updateResIndex, win.ekey,
+      (*pRowIndex) += getNumOfRowsInTimeWindow(&pSDB->info, tsCols, (*pRowIndex), win.ekey,
                                                         binarySearchForKey, NULL, TSDB_ORDER_ASC);
     }
     needRead = true;
@@ -823,6 +822,9 @@ static bool prepareDataScan(SStreamBlockScanInfo* pInfo) {
   pTableScanInfo->cond.twindows[0] = win;
   pTableScanInfo->curTWinIdx = 0;
 //  tsdbResetReadHandle(pTableScanInfo->dataReader, &pTableScanInfo->cond, 0);
+  // if (!pTableScanInfo->dataReader) {
+  //   return false;
+  // }
   pTableScanInfo->scanTimes = 0;
   pTableScanInfo->currentGroupId = -1;
   return true;
@@ -862,12 +864,12 @@ static uint64_t getGroupId(SOperatorInfo* pOperator, SSDataBlock* pBlock, int32_
   */
 }
 
-static SSDataBlock* doDataScan(SStreamBlockScanInfo* pInfo) {
+static SSDataBlock* doDataScan(SStreamBlockScanInfo* pInfo, SSDataBlock* pSDB, int32_t tsColIndex, int32_t* pRowIndex) {
   while (1) {
     SSDataBlock* pResult = NULL;
     pResult = doTableScan(pInfo->pSnapshotReadOp);
     if (pResult == NULL) {
-      if (prepareDataScan(pInfo)) {
+      if (prepareDataScan(pInfo, pSDB, tsColIndex, pRowIndex)) {
         // scan next window data
         pResult = doTableScan(pInfo->pSnapshotReadOp);
       }
@@ -916,7 +918,7 @@ static void setUpdateData(SStreamBlockScanInfo* pInfo, SSDataBlock* pBlock, SSDa
     pUpdateBlock->info.rows = i;
     pInfo->tsArrayIndex += i;
     pUpdateBlock->info.groupId = pInfo->groupId;
-    pUpdateBlock->info.type = STREAM_REPROCESS;
+    pUpdateBlock->info.type = STREAM_CLEAR;
     blockDataUpdateTsWindow(pUpdateBlock, 0);
   }
   // all rows have same group id
@@ -970,6 +972,14 @@ static SSDataBlock* doStreamBlockScan(SOperatorInfo* pOperator) {
     int32_t      current = pInfo->validBlockIndex++;
     SSDataBlock* pBlock = taosArrayGetP(pInfo->pBlockLists, current);
     blockDataUpdateTsWindow(pBlock, 0);
+    if (pBlock->info.type == STREAM_RETRIEVE) {
+      pInfo->blockType = STREAM_DATA_TYPE_SUBMIT_BLOCK;
+      pInfo->scanMode = STREAM_SCAN_FROM_DATAREADER_RETRIEVE;
+      copyDataBlock(pInfo->pPullDataRes, pBlock);
+      pInfo->pullDataResIndex = 0;
+      prepareDataScan(pInfo, pInfo->pPullDataRes, 0, &pInfo->pullDataResIndex);
+      updateInfoAddCloseWindowSBF(pInfo->pUpdateInfo);
+    }
     return pBlock;
   } else if (pInfo->blockType == STREAM_DATA_TYPE_SUBMIT_BLOCK) {
     if (pInfo->scanMode == STREAM_SCAN_FROM_RES) {
@@ -979,28 +989,39 @@ static SSDataBlock* doStreamBlockScan(SOperatorInfo* pOperator) {
     } else if (pInfo->scanMode == STREAM_SCAN_FROM_UPDATERES) {
       pInfo->scanMode = STREAM_SCAN_FROM_DATAREADER;
       if (!isStateWindow(pInfo)) {
-        prepareDataScan(pInfo);
+        prepareDataScan(pInfo, pInfo->pUpdateRes, pInfo->primaryTsIndex, &pInfo->updateResIndex);
       }
       return pInfo->pUpdateRes;
+    } else if (pInfo->scanMode == STREAM_SCAN_FROM_DATAREADER_RETRIEVE) {
+      SSDataBlock* pSDB = doDataScan(pInfo, pInfo->pPullDataRes, 0, &pInfo->pullDataResIndex);
+      if (pSDB != NULL) {
+        getUpdateDataBlock(pInfo, true, pSDB, NULL);
+        pSDB->info.type = STREAM_PUSH_DATA;
+        return pSDB;
+      }
+      pInfo->scanMode = STREAM_SCAN_FROM_DATAREADER;
     } else {
       if (isStateWindow(pInfo) && taosArrayGetSize(pInfo->sessionSup.pStreamAggSup->pScanWindow) > 0) {
         pInfo->scanMode = STREAM_SCAN_FROM_DATAREADER;
         pInfo->updateResIndex = pInfo->pUpdateRes->info.rows;
-        prepareDataScan(pInfo);
+        prepareDataScan(pInfo, pInfo->pUpdateRes, pInfo->primaryTsIndex, &pInfo->updateResIndex);
       }
       if (pInfo->scanMode == STREAM_SCAN_FROM_DATAREADER) {
-        SSDataBlock* pSDB = doDataScan(pInfo);
+        SSDataBlock* pSDB = doDataScan(pInfo, pInfo->pUpdateRes, pInfo->primaryTsIndex, &pInfo->updateResIndex);
         if (pSDB == NULL) {
           setUpdateData(pInfo, pInfo->pRes, pInfo->pUpdateRes);
           if (pInfo->pUpdateRes->info.rows > 0) {
             if (!isStateWindow(pInfo)) {
-              prepareDataScan(pInfo);
+              // Todo(liuyao) mybe can delete this.
+              bool test = prepareDataScan(pInfo, pInfo->pUpdateRes, pInfo->primaryTsIndex, &pInfo->updateResIndex);
+              ASSERT(test == false);
             }
             return pInfo->pUpdateRes;
           } else {
             pInfo->scanMode = STREAM_SCAN_FROM_READERHANDLE;
           }
         } else {
+          pSDB->info.type = STREAM_NORMAL;
           getUpdateDataBlock(pInfo, true, pSDB, NULL);
           return pSDB;
         }
@@ -1070,10 +1091,12 @@ static SSDataBlock* doStreamBlockScan(SOperatorInfo* pOperator) {
       taosArrayDestroy(block.pDataBlock);
       if (pInfo->pRes->pDataBlock == NULL) {
         // TODO add log
+        updateInfoDestoryColseWinSBF(pInfo->pUpdateInfo);
         pOperator->status = OP_EXEC_DONE;
         pTaskInfo->code = terrno;
         return NULL;
       }
+
       // currently only the tbname pseudo column
       if (pInfo->numOfPseudoExpr > 0) {
         addTagPseudoColumnData(&pInfo->readHandle, pInfo->pPseudoExpr, pInfo->numOfPseudoExpr, pInfo->pRes);
@@ -1091,12 +1114,13 @@ static SSDataBlock* doStreamBlockScan(SOperatorInfo* pOperator) {
     pOperator->resultInfo.totalRows += pBlockInfo->rows;
 
     if (pBlockInfo->rows == 0) {
+      updateInfoDestoryColseWinSBF(pInfo->pUpdateInfo);
       pOperator->status = OP_EXEC_DONE;
     } else if (pInfo->pUpdateInfo) {
       pInfo->tsArrayIndex = 0;
       getUpdateDataBlock(pInfo, true, pInfo->pRes, pInfo->pUpdateRes);
       if (pInfo->pUpdateRes->info.rows > 0) {
-        if (pInfo->pUpdateRes->info.type == STREAM_REPROCESS) {
+        if (pInfo->pUpdateRes->info.type == STREAM_CLEAR) {
           pInfo->updateResIndex = 0;
           pInfo->scanMode = STREAM_SCAN_FROM_UPDATERES;
         } else if (pInfo->pUpdateRes->info.type == STREAM_INVERT) {
@@ -1209,6 +1233,7 @@ SOperatorInfo* createStreamScanOperatorInfo(SReadHandle* pHandle,
   pInfo->scanMode = STREAM_SCAN_FROM_READERHANDLE;
   pInfo->sessionSup = (SessionWindowSupporter){.pStreamAggSup = NULL, .gap = -1};
   pInfo->groupId = 0;
+  pInfo->pPullDataRes = createPullDataBlock();
 
   pOperator->name = "StreamBlockScanOperator";
   pOperator->operatorType = QUERY_NODE_PHYSICAL_PLAN_STREAM_SCAN;
diff --git a/source/libs/executor/src/timewindowoperator.c b/source/libs/executor/src/timewindowoperator.c
index 0ba898e4f798146caa201e7de2d0d43f22477eee..b7d39207d838cee16cf312dcf36be46f31f2b438 100644
--- a/source/libs/executor/src/timewindowoperator.c
+++ b/source/libs/executor/src/timewindowoperator.c
@@ -15,6 +15,7 @@
 #include "executorimpl.h"
 #include "function.h"
 #include "functionMgt.h"
+#include "tcompare.h"
 #include "tdatablock.h"
 #include "tfill.h"
 #include "ttime.h"
@@ -26,6 +27,16 @@ typedef enum SResultTsInterpType {
 
 #define IS_FINAL_OP(op) ((op)->isFinal)
 
+typedef struct SWinRes {
+  TSKEY    ts;
+  uint64_t groupId;
+} SWinRes;
+
+typedef struct SPullWindowInfo {
+  STimeWindow window;
+  uint64_t groupId;
+} SPullWindowInfo;
+
 static SSDataBlock* doStreamSessionAgg(SOperatorInfo* pOperator);
 
 static int64_t* extractTsCol(SSDataBlock* pBlock, const SIntervalAggOperatorInfo* pInfo);
@@ -684,11 +695,13 @@ static void doInterpUnclosedTimeWindow(SOperatorInfo* pOperatorInfo, int32_t num
 }
 
 void printDataBlock(SSDataBlock* pBlock, const char* flag) {
-  if (pBlock == NULL) return;
-  SArray* blocks = taosArrayInit(1, sizeof(SSDataBlock));
-  taosArrayPush(blocks, pBlock);
-  blockDebugShowData(blocks, flag);
-  taosArrayDestroy(blocks);
+  if (pBlock == NULL){
+    qDebug("======printDataBlock Block is Null");
+    return;
+  }
+  char *pBuf = NULL;
+  qDebug("%s", dumpBlockData(pBlock, flag, &pBuf));
+  taosMemoryFree(pBuf);
 }
 
 typedef int64_t (*__get_value_fn_t)(void* data, int32_t index);
@@ -1217,30 +1230,40 @@ void doClearWindowImpl(SResultRowPosition* p1, SDiskbasedBuf* pResultBuf, SExprS
   }
 }
 
-void doClearWindow(SAggSupporter* pAggSup, SExprSupp* pSup, char* pData, int16_t bytes, uint64_t groupId,
+bool doClearWindow(SAggSupporter* pAggSup, SExprSupp* pSup, char* pData, int16_t bytes, uint64_t groupId,
                    int32_t numOfOutput) {
   SET_RES_WINDOW_KEY(pAggSup->keyBuf, pData, bytes, groupId);
   SResultRowPosition* p1 =
       (SResultRowPosition*)taosHashGet(pAggSup->pResultRowHashTable, pAggSup->keyBuf, GET_RES_WINDOW_KEY_LEN(bytes));
   if (!p1) {
     // window has been closed
-    return;
+    return false;
   }
   doClearWindowImpl(p1, pAggSup->pResultBuf, pSup, numOfOutput);
+  return true;
 }
 
 static void doClearWindows(SAggSupporter* pAggSup, SExprSupp* pSup1, SInterval* pInterval, int32_t tsIndex,
                            int32_t numOfOutput, SSDataBlock* pBlock, SArray* pUpWins) {
-  SColumnInfoData* pColDataInfo = taosArrayGet(pBlock->pDataBlock, tsIndex);
-  TSKEY*           tsCols = (TSKEY*)pColDataInfo->pData;
+  SColumnInfoData* pTsCol = taosArrayGet(pBlock->pDataBlock, tsIndex);
+  TSKEY*           tsCols = (TSKEY*)pTsCol->pData;
+  uint64_t*        pGpDatas = NULL;
+  if (pBlock->info.type == STREAM_RETRIEVE) {
+      SColumnInfoData* pGpCol = taosArrayGet(pBlock->pDataBlock, 2);
+      pGpDatas = (uint64_t*)pGpCol->pData;
+  }
   int32_t          step = 0;
   for (int32_t i = 0; i < pBlock->info.rows; i += step) {
     SResultRowInfo dumyInfo;
     dumyInfo.cur.pageId = -1;
     STimeWindow win = getActiveTimeWindow(NULL, &dumyInfo, tsCols[i], pInterval, pInterval->precision, NULL);
     step = getNumOfRowsInTimeWindow(&pBlock->info, tsCols, i, win.ekey, binarySearchForKey, NULL, TSDB_ORDER_ASC);
-    doClearWindow(pAggSup, pSup1, (char*)&win.skey, sizeof(TKEY), pBlock->info.groupId, numOfOutput);
-    if (pUpWins) {
+    uint64_t groupId = pBlock->info.groupId;
+    if (pGpDatas) {
+      groupId = pGpDatas[i];
+    }
+    bool res = doClearWindow(pAggSup, pSup1, (char*)&win.skey, sizeof(TKEY), groupId, numOfOutput);
+    if (pUpWins && res) {
       taosArrayPush(pUpWins, &win);
     }
   }
@@ -1268,8 +1291,8 @@ bool isCloseWindow(STimeWindow* pWin, STimeWindowAggSupp* pSup) {
   return pSup->maxTs != INT64_MIN && pWin->ekey < pSup->maxTs - pSup->waterMark;
 }
 
-static int32_t closeIntervalWindow(SHashObj* pHashMap, STimeWindowAggSupp* pSup, SInterval* pInterval,
-                                   SArray* closeWins) {
+static int32_t closeIntervalWindow(SHashObj* pHashMap, STimeWindowAggSupp* pSup,
+    SInterval* pInterval, SHashObj* pPullDataMap, SArray* closeWins) {
   void*  pIte = NULL;
   size_t keyLen = 0;
   while ((pIte = taosHashIterate(pHashMap, pIte)) != NULL) {
@@ -1280,10 +1303,20 @@ static int32_t closeIntervalWindow(SHashObj* pHashMap, STimeWindowAggSupp* pSup,
     SResultRowInfo dumyInfo;
     dumyInfo.cur.pageId = -1;
     STimeWindow win = getActiveTimeWindow(NULL, &dumyInfo, ts, pInterval, pInterval->precision, NULL);
+    SWinRes winRe = {.ts = win.skey, .groupId = groupId,};
+    void* chIds = taosHashGet(pPullDataMap, &winRe, sizeof(SWinRes));
     if (isCloseWindow(&win, pSup)) {
-      char keyBuf[GET_RES_WINDOW_KEY_LEN(sizeof(TSKEY))];
-      SET_RES_WINDOW_KEY(keyBuf, &ts, sizeof(TSKEY), groupId);
-      taosHashRemove(pHashMap, keyBuf, keyLen);
+      if (chIds && pPullDataMap) {
+        SArray* chAy = *(SArray**) chIds;
+        int32_t size = taosArrayGetSize(chAy);
+        qInfo("======window %ld wait child size:%d", win.skey ,size);
+        for (int32_t i = 0; i < size; i++) {
+          qInfo("======window %ld wait chid id:%d", win.skey ,*(int32_t*)taosArrayGet(chAy, i));
+        }
+        continue;
+      } else if (pPullDataMap) {
+        qInfo("======close window %ld", win.skey);
+      }
       SResultRowPosition* pPos = (SResultRowPosition*)pIte;
       if (pSup->calTrigger == STREAM_TRIGGER_WINDOW_CLOSE) {
         int32_t code = saveResult(ts, pPos->pageId, pPos->offset, groupId, closeWins);
@@ -1291,11 +1324,25 @@ static int32_t closeIntervalWindow(SHashObj* pHashMap, STimeWindowAggSupp* pSup,
           return code;
         }
       }
+      char keyBuf[GET_RES_WINDOW_KEY_LEN(sizeof(TSKEY))];
+      SET_RES_WINDOW_KEY(keyBuf, &ts, sizeof(TSKEY), groupId);
+      taosHashRemove(pHashMap, keyBuf, keyLen);
     }
   }
   return TSDB_CODE_SUCCESS;
 }
 
+static void closeChildIntervalWindow(SArray* pChildren, TSKEY maxTs) {
+  int32_t size = taosArrayGetSize(pChildren);
+  for (int32_t i = 0; i < size; i++) {
+    SOperatorInfo* pChildOp = taosArrayGetP(pChildren, i);
+    SStreamFinalIntervalOperatorInfo* pChInfo = pChildOp->info;
+    ASSERT(pChInfo->twAggSup.calTrigger == STREAM_TRIGGER_AT_ONCE);
+    pChInfo->twAggSup.maxTs = TMAX(pChInfo->twAggSup.maxTs, maxTs);
+    closeIntervalWindow(pChInfo->aggSup.pResultRowHashTable, &pChInfo->twAggSup, &pChInfo->interval, NULL, NULL);
+  }
+}
+
 static SSDataBlock* doStreamIntervalAgg(SOperatorInfo* pOperator) {
   SIntervalAggOperatorInfo* pInfo = pOperator->info;
   SExecTaskInfo*            pTaskInfo = pOperator->pTaskInfo;
@@ -1324,7 +1371,7 @@ static SSDataBlock* doStreamIntervalAgg(SOperatorInfo* pOperator) {
       break;
     }
 
-    if (pBlock->info.type == STREAM_REPROCESS) {
+    if (pBlock->info.type == STREAM_CLEAR) {
       doClearWindows(&pInfo->aggSup, &pOperator->exprSupp, &pInfo->interval, 0, pOperator->exprSupp.numOfExprs, pBlock,
                      NULL);
       qDebug("%s clear existed time window results for updates checked", GET_TASKID(pTaskInfo));
@@ -1345,7 +1392,7 @@ static SSDataBlock* doStreamIntervalAgg(SOperatorInfo* pOperator) {
     pInfo->twAggSup.maxTs = TMAX(pInfo->twAggSup.maxTs, pBlock->info.window.ekey);
     hashIntervalAgg(pOperator, &pInfo->binfo.resultRowInfo, pBlock, MAIN_SCAN, pUpdated);
   }
-  closeIntervalWindow(pInfo->aggSup.pResultRowHashTable, &pInfo->twAggSup, &pInfo->interval, pUpdated);
+  closeIntervalWindow(pInfo->aggSup.pResultRowHashTable, &pInfo->twAggSup, &pInfo->interval, NULL, pUpdated);
 
   finalizeUpdatedResult(pOperator->exprSupp.numOfExprs, pInfo->aggSup.pResultBuf, pUpdated, pSup->rowEntryInfoOffset);
   initMultiResInfoFromArrayList(&pInfo->groupResInfo, pUpdated);
@@ -1373,6 +1420,11 @@ void destroyStreamFinalIntervalOperatorInfo(void* param, int32_t numOfOutput) {
   SStreamFinalIntervalOperatorInfo* pInfo = (SStreamFinalIntervalOperatorInfo*)param;
   cleanupBasicInfo(&pInfo->binfo);
   cleanupAggSup(&pInfo->aggSup);
+  //it should be empty.
+  taosHashCleanup(pInfo->pPullDataMap);
+  taosArrayDestroy(pInfo->pPullWins);
+  blockDataDestroy(pInfo->pPullDataRes);
+
   if (pInfo->pChildren) {
     int32_t size = taosArrayGetSize(pInfo->pChildren);
     for (int32_t i = 0; i < size; i++) {
@@ -2164,6 +2216,24 @@ bool isDeletedWindow(STimeWindow* pWin, uint64_t groupId, SAggSupporter* pSup) {
   return p1 == NULL;
 }
 
+int32_t getNexWindowPos(SInterval* pInterval, SDataBlockInfo* pBlockInfo, TSKEY* tsCols,
+    int32_t startPos, TSKEY eKey, STimeWindow* pNextWin) {
+  int32_t forwardRows = getNumOfRowsInTimeWindow(pBlockInfo, tsCols, startPos,
+      eKey, binarySearchForKey, NULL, TSDB_ORDER_ASC);
+  int32_t prevEndPos = forwardRows - 1 + startPos;
+  return getNextQualifiedWindow(pInterval, pNextWin, pBlockInfo, tsCols, prevEndPos, TSDB_ORDER_ASC);
+}
+
+void addPullWindow(SHashObj* pMap, SWinRes* pWinRes, int32_t size) {
+  SArray* childIds = taosArrayInit(8, sizeof(int32_t));
+  for (int32_t i = 0; i < size; i++) {
+    taosArrayPush(childIds, &i);
+  }
+  taosHashPut(pMap, pWinRes, sizeof(SWinRes), &childIds, sizeof(void*));
+}
+
+static int32_t getChildIndex(SSDataBlock* pBlock) { return pBlock->info.childId; }
+
 static void doHashInterval(SOperatorInfo* pOperatorInfo, SSDataBlock* pSDataBlock, uint64_t tableGroupId,
                            SArray* pUpdated) {
   SStreamFinalIntervalOperatorInfo* pInfo = (SStreamFinalIntervalOperatorInfo*)pOperatorInfo->info;
@@ -2177,35 +2247,59 @@ static void doHashInterval(SOperatorInfo* pOperatorInfo, SSDataBlock* pSDataBloc
   SResultRow*                       pResult = NULL;
   int32_t                           forwardRows = 0;
 
-  if (pSDataBlock->pDataBlock != NULL) {
-    SColumnInfoData* pColDataInfo = taosArrayGet(pSDataBlock->pDataBlock, pInfo->primaryTsIndex);
-    tsCols = (int64_t*)pColDataInfo->pData;
-  } else {
-    return;
-  }
+  ASSERT(pSDataBlock->pDataBlock != NULL);
+  SColumnInfoData* pColDataInfo = taosArrayGet(pSDataBlock->pDataBlock, pInfo->primaryTsIndex);
+  tsCols = (int64_t*)pColDataInfo->pData;
 
   int32_t     startPos = ascScan ? 0 : (pSDataBlock->info.rows - 1);
   TSKEY       ts = getStartTsKey(&pSDataBlock->info.window, tsCols);
   STimeWindow nextWin = getActiveTimeWindow(pInfo->aggSup.pResultBuf, pResultRowInfo, ts, &pInfo->interval,
                                             pInfo->interval.precision, NULL);
   while (1) {
-    if (IS_FINAL_OP(pInfo) && isCloseWindow(&nextWin, &pInfo->twAggSup) &&
-        isDeletedWindow(&nextWin, tableGroupId, &pInfo->aggSup)) {
-      SArray* pUpWins = taosArrayInit(8, sizeof(STimeWindow));
-      taosArrayPush(pUpWins, &nextWin);
-      rebuildIntervalWindow(pInfo, pSup, pUpWins, pInfo->binfo.pRes->info.groupId, pSup->numOfExprs,
-                            pOperatorInfo->pTaskInfo);
-      taosArrayDestroy(pUpWins);
+    if (IS_FINAL_OP(pInfo) && isCloseWindow(&nextWin, &pInfo->twAggSup) && pInfo->pChildren) {
+      bool ignore = true;
+      SWinRes winRes = {.ts = nextWin.skey, .groupId = tableGroupId,};
+      void* chIds = taosHashGet(pInfo->pPullDataMap, &winRes, sizeof(SWinRes));
+      if (isDeletedWindow(&nextWin, tableGroupId, &pInfo->aggSup) && !chIds) {
+        SPullWindowInfo pull = {.window = nextWin, .groupId = tableGroupId};
+        // add pull data request
+        taosArrayPush(pInfo->pPullWins, &pull);
+        addPullWindow(pInfo->pPullDataMap, &winRes, taosArrayGetSize(pInfo->pChildren));
+      } else {
+        int32_t index = -1;
+        SArray* chArray = NULL;
+        if (chIds) {
+          chArray = *(void**) chIds;
+          int32_t chId = getChildIndex(pSDataBlock);
+          index = taosArraySearchIdx(chArray, &chId, compareInt32Val, TD_EQ);
+        }
+        if (index != -1 && pSDataBlock->info.type == STREAM_PUSH_DATA) {
+          taosArrayRemove(chArray, index);
+          if (taosArrayGetSize(chArray) == 0) {
+            // pull data is over
+            taosHashRemove(pInfo->pPullDataMap, &winRes, sizeof(SWinRes));
+          }
+        }
+        if ( index == -1 || pSDataBlock->info.type == STREAM_PUSH_DATA) {
+          ignore = false;
+        }
+      }
+
+      if (ignore) {
+        startPos = getNexWindowPos(&pInfo->interval, &pSDataBlock->info, tsCols, startPos, nextWin.ekey, &nextWin);
+        if (startPos < 0) {
+          break;
+        }
+        continue;
+      }
     }
+
     int32_t code = setTimeWindowOutputBuf(pResultRowInfo, &nextWin, true, &pResult, tableGroupId, pSup->pCtx,
                                           numOfOutput, pSup->rowEntryInfoOffset, &pInfo->aggSup, pTaskInfo);
     if (code != TSDB_CODE_SUCCESS || pResult == NULL) {
       longjmp(pTaskInfo->env, TSDB_CODE_QRY_OUT_OF_MEMORY);
     }
-    SResKeyPos* pos = taosMemoryMalloc(sizeof(SResKeyPos) + sizeof(uint64_t));
-    pos->groupId = tableGroupId;
-    pos->pos = (SResultRowPosition){.pageId = pResult->pageId, .offset = pResult->offset};
-    *(int64_t*)pos->key = pResult->win.skey;
+
     forwardRows = getNumOfRowsInTimeWindow(&pSDataBlock->info, tsCols, startPos, nextWin.ekey, binarySearchForKey, NULL,
                                            TSDB_ORDER_ASC);
     if (pInfo->twAggSup.calTrigger == STREAM_TRIGGER_AT_ONCE && pUpdated) {
@@ -2230,14 +2324,17 @@ static void clearStreamIntervalOperator(SStreamFinalIntervalOperatorInfo* pInfo)
   initResultRowInfo(&pInfo->binfo.resultRowInfo);
 }
 
-static void clearUpdateDataBlock(SSDataBlock* pBlock) {
+static void clearSpecialDataBlock(SSDataBlock* pBlock) {
+  if (pBlock->info.rows <= 0) {
+    return;
+  }
   blockDataCleanup(pBlock);
 }
 
 void copyUpdateDataBlock(SSDataBlock* pDest, SSDataBlock* pSource, int32_t tsColIndex) {
   // ASSERT(pDest->info.capacity >= pSource->info.rows);
   blockDataEnsureCapacity(pDest, pSource->info.rows);
-  clearUpdateDataBlock(pDest);
+  clearSpecialDataBlock(pDest);
   SColumnInfoData* pDestCol = taosArrayGet(pDest->pDataBlock, 0);
   SColumnInfoData* pSourceCol = taosArrayGet(pSource->pDataBlock, tsColIndex);
 
@@ -2254,7 +2351,63 @@ void copyUpdateDataBlock(SSDataBlock* pDest, SSDataBlock* pSource, int32_t tsCol
   blockDataUpdateTsWindow(pDest, 0);
 }
 
-static int32_t getChildIndex(SSDataBlock* pBlock) { return pBlock->info.childId; }
+static bool needBreak(SStreamFinalIntervalOperatorInfo* pInfo) {
+  int32_t size = taosArrayGetSize(pInfo->pPullWins);
+  if (pInfo->pullIndex < size) {
+    return true;
+  }
+  return false;
+}
+
+static void doBuildPullDataBlock(SArray* array, int32_t* pIndex, SSDataBlock* pBlock) {
+  clearSpecialDataBlock(pBlock);
+  int32_t size = taosArrayGetSize(array);
+  if (size - (*pIndex) == 0) {
+    return;
+  }
+  blockDataEnsureCapacity(pBlock, size - (*pIndex) );
+  ASSERT(3 <= taosArrayGetSize(pBlock->pDataBlock));
+  for (; (*pIndex) < size; (*pIndex)++) {
+    SPullWindowInfo* pWin = taosArrayGet(array, (*pIndex) );
+    SColumnInfoData* pStartTs = (SColumnInfoData*) taosArrayGet(pBlock->pDataBlock, 0);
+    colDataAppend(pStartTs, pBlock->info.rows, (const char*)&pWin->window.skey, false);
+
+    SColumnInfoData* pEndTs = (SColumnInfoData*) taosArrayGet(pBlock->pDataBlock, 1);
+    colDataAppend(pEndTs, pBlock->info.rows, (const char*)&pWin->window.ekey, false);
+
+    SColumnInfoData* pGroupId = (SColumnInfoData*) taosArrayGet(pBlock->pDataBlock, 2);
+    colDataAppend(pGroupId, pBlock->info.rows, (const char*)&pWin->groupId, false);
+    pBlock->info.rows++;
+  }
+  if ((*pIndex) == size) {
+    *pIndex = 0;
+    taosArrayClear(array);
+  }
+  blockDataUpdateTsWindow(pBlock, 0);
+}
+
+void processPushEmpty(SSDataBlock* pBlock, SHashObj* pMap) {
+  SColumnInfoData* pStartCol = taosArrayGet(pBlock->pDataBlock, 0);
+  TSKEY* tsData = (TSKEY*)pStartCol->pData;
+  SColumnInfoData* pGroupCol = taosArrayGet(pBlock->pDataBlock, 2);
+  uint64_t* groupIdData = (uint64_t*)pGroupCol->pData;
+  int32_t chId = getChildIndex(pBlock);
+  for (int32_t i = 0; i < pBlock->info.rows; i++) {
+    SWinRes winRes = {.ts = tsData[i], .groupId = groupIdData[i]};
+    void* chIds = taosHashGet(pMap, &winRes, sizeof(SWinRes));
+    if (chIds) {
+      SArray* chArray = *(SArray**) chIds;
+      int32_t index = taosArraySearchIdx(chArray, &chId, compareInt32Val, TD_EQ);
+      if (index != -1) {
+        taosArrayRemove(chArray, index);
+        if (taosArrayGetSize(chArray) == 0) {
+          // pull data is over
+          taosHashRemove(pMap, &winRes, sizeof(SWinRes));
+        }
+      }
+    }
+  }
+}
 
 static SSDataBlock* doStreamFinalIntervalAgg(SOperatorInfo* pOperator) {
   SStreamFinalIntervalOperatorInfo* pInfo = pOperator->info;
@@ -2270,28 +2423,50 @@ static SSDataBlock* doStreamFinalIntervalAgg(SOperatorInfo* pOperator) {
     doBuildResultDatablock(pOperator, &pInfo->binfo, &pInfo->groupResInfo, pInfo->aggSup.pResultBuf);
     if (pInfo->binfo.pRes->info.rows == 0) {
       pOperator->status = OP_EXEC_DONE;
-      if (IS_FINAL_OP(pInfo) || pInfo->pUpdateRes->info.rows == 0) {
-        if (!IS_FINAL_OP(pInfo)) {
-          // semi interval operator clear disk buffer
-          clearStreamIntervalOperator(pInfo);
-        }
-        return NULL;
+      if (!IS_FINAL_OP(pInfo)) {
+        // semi interval operator clear disk buffer
+        clearStreamIntervalOperator(pInfo);
       }
+      return NULL;
+    }
+    printDataBlock(pInfo->binfo.pRes, IS_FINAL_OP(pInfo) ? "interval Final" : "interval  Semi");
+    return pInfo->binfo.pRes;
+  } else {
+    doBuildResultDatablock(pOperator, &pInfo->binfo, &pInfo->groupResInfo, pInfo->aggSup.pResultBuf);
+    if (pInfo->binfo.pRes->info.rows != 0) {
+      printDataBlock(pInfo->binfo.pRes, IS_FINAL_OP(pInfo) ? "interval Final" : "interval  Semi");
+      return pInfo->binfo.pRes;
+    }
+    if (pInfo->pUpdateRes->info.rows != 0 && pInfo->returnUpdate) {
+      pInfo->returnUpdate = false;
+      ASSERT(!IS_FINAL_OP(pInfo));
+      printDataBlock(pInfo->pUpdateRes, IS_FINAL_OP(pInfo) ? "interval Final" : "interval  Semi");
       // process the rest of the data
-      pOperator->status = OP_OPENED;
       return pInfo->pUpdateRes;
     }
-    return pInfo->binfo.pRes;
+    doBuildPullDataBlock(pInfo->pPullWins, &pInfo->pullIndex, pInfo->pPullDataRes);
+    if (pInfo->pPullDataRes->info.rows != 0) {
+      // process the rest of the data
+      ASSERT(IS_FINAL_OP(pInfo));
+      printDataBlock(pInfo->pPullDataRes, IS_FINAL_OP(pInfo) ? "interval Final" : "interval  Semi");
+      return pInfo->pPullDataRes;
+    }
   }
 
   while (1) {
     SSDataBlock* pBlock = downstream->fpSet.getNextFn(downstream);
     if (pBlock == NULL) {
-      clearUpdateDataBlock(pInfo->pUpdateRes);
+      clearSpecialDataBlock(pInfo->pUpdateRes);
+      pOperator->status = OP_RES_TO_RETURN;
+      qInfo("Stream Final Interval return data");
       break;
     }
+    printDataBlock(pBlock, IS_FINAL_OP(pInfo) ? "interval Final recv" : "interval  Semi recv");
+    maxTs = TMAX(maxTs, pBlock->info.window.ekey);
 
-    if (pBlock->info.type == STREAM_REPROCESS) {
+    if (pBlock->info.type == STREAM_NORMAL || pBlock->info.type == STREAM_PUSH_DATA || pBlock->info.type == STREAM_INVALID) {
+      pInfo->binfo.pRes->info.type = pBlock->info.type;
+    } else if (pBlock->info.type == STREAM_CLEAR) {
       SArray* pUpWins = taosArrayInit(8, sizeof(STimeWindow));
       doClearWindows(&pInfo->aggSup, pSup, &pInfo->interval, pInfo->primaryTsIndex, pOperator->exprSupp.numOfExprs,
                      pBlock, pUpWins);
@@ -2310,11 +2485,25 @@ static SSDataBlock* doStreamFinalIntervalAgg(SOperatorInfo* pOperator) {
       }
       removeResults(pUpWins, pUpdated);
       copyUpdateDataBlock(pInfo->pUpdateRes, pBlock, pInfo->primaryTsIndex);
+      pInfo->returnUpdate = true;
       taosArrayDestroy(pUpWins);
       break;
     } else if (pBlock->info.type == STREAM_GET_ALL && IS_FINAL_OP(pInfo)) {
       getAllIntervalWindow(pInfo->aggSup.pResultRowHashTable, pUpdated);
       continue;
+    } else if (pBlock->info.type == STREAM_RETRIEVE && !IS_FINAL_OP(pInfo)) {
+      SArray* pUpWins = taosArrayInit(8, sizeof(STimeWindow));
+      doClearWindows(&pInfo->aggSup, pSup, &pInfo->interval, 0, pOperator->exprSupp.numOfExprs,
+          pBlock, pUpWins);
+      removeResults(pUpWins, pUpdated);
+      taosArrayDestroy(pUpWins);
+      if (taosArrayGetSize(pUpdated) > 0) {
+        break;
+      }
+      continue;
+    } else if (pBlock->info.type == STREAM_PUSH_EMPTY && IS_FINAL_OP(pInfo)) {
+      processPushEmpty(pBlock, pInfo->pPullDataMap);
+      continue;
     }
 
     setInputDataBlock(pOperator, pSup->pCtx, pBlock, pInfo->order, MAIN_SCAN, true);
@@ -2334,31 +2523,70 @@ static SSDataBlock* doStreamFinalIntervalAgg(SOperatorInfo* pOperator) {
       SStreamFinalIntervalOperatorInfo* pChInfo = pChildOp->info;
       setInputDataBlock(pChildOp, pChildOp->exprSupp.pCtx, pBlock, pChInfo->order, MAIN_SCAN, true);
       doHashInterval(pChildOp, pBlock, pBlock->info.groupId, NULL);
-      pChInfo->twAggSup.maxTs = TMAX(pChInfo->twAggSup.maxTs, pBlock->info.window.ekey);
+
+      if (needBreak(pInfo)) {
+        break;
+      }
     }
-    maxTs = TMAX(maxTs, pBlock->info.window.ekey);
   }
 
   pInfo->twAggSup.maxTs = TMAX(pInfo->twAggSup.maxTs, maxTs);
   if (IS_FINAL_OP(pInfo)) {
-    closeIntervalWindow(pInfo->aggSup.pResultRowHashTable, &pInfo->twAggSup, &pInfo->interval, pUpdated);
+    closeIntervalWindow(pInfo->aggSup.pResultRowHashTable, &pInfo->twAggSup,
+        &pInfo->interval, pInfo->pPullDataMap, pUpdated);
+    closeChildIntervalWindow(pInfo->pChildren, pInfo->twAggSup.maxTs);
   }
 
   finalizeUpdatedResult(pOperator->exprSupp.numOfExprs, pInfo->aggSup.pResultBuf, pUpdated, pSup->rowEntryInfoOffset);
   initMultiResInfoFromArrayList(&pInfo->groupResInfo, pUpdated);
   blockDataEnsureCapacity(pInfo->binfo.pRes, pOperator->resultInfo.capacity);
   doBuildResultDatablock(pOperator, &pInfo->binfo, &pInfo->groupResInfo, pInfo->aggSup.pResultBuf);
-  pOperator->status = OP_RES_TO_RETURN;
-  if (pInfo->binfo.pRes->info.rows == 0) {
-    pOperator->status = OP_EXEC_DONE;
-    if (pInfo->pUpdateRes->info.rows == 0) {
-      return NULL;
-    }
+  if (pInfo->binfo.pRes->info.rows != 0) {
+    printDataBlock(pInfo->binfo.pRes, IS_FINAL_OP(pInfo) ? "interval Final" : "interval  Semi");
+    return pInfo->binfo.pRes;
+  }
+
+  if (pInfo->pUpdateRes->info.rows != 0 && pInfo->returnUpdate) {
+    pInfo->returnUpdate = false;
+    ASSERT(!IS_FINAL_OP(pInfo));
+    printDataBlock(pInfo->pUpdateRes, IS_FINAL_OP(pInfo) ? "interval Final" : "interval  Semi");
     // process the rest of the data
-    pOperator->status = OP_OPENED;
     return pInfo->pUpdateRes;
   }
-  return pInfo->binfo.pRes;
+
+  doBuildPullDataBlock(pInfo->pPullWins, &pInfo->pullIndex, pInfo->pPullDataRes);
+  if (pInfo->pPullDataRes->info.rows != 0) {
+    // process the rest of the data
+    ASSERT(IS_FINAL_OP(pInfo));
+    printDataBlock(pInfo->pPullDataRes, IS_FINAL_OP(pInfo) ? "interval Final" : "interval  Semi");
+    return pInfo->pPullDataRes;
+  }
+  // ASSERT(false);
+  return NULL;
+}
+
+SSDataBlock* createPullDataBlock() {
+  SSDataBlock* pBlock = taosMemoryCalloc(1, sizeof(SSDataBlock));
+  pBlock->info.hasVarCol = false;
+  pBlock->info.groupId = 0;
+  pBlock->info.rows = 0;
+  pBlock->info.type = STREAM_RETRIEVE;
+  pBlock->info.rowSize = sizeof(TSKEY) + sizeof(TSKEY) + sizeof(uint64_t);
+
+  pBlock->pDataBlock = taosArrayInit(3, sizeof(SColumnInfoData));
+  SColumnInfoData infoData = {0};
+  infoData.info.type = TSDB_DATA_TYPE_TIMESTAMP;
+  infoData.info.bytes = sizeof(TSKEY);
+  // window start ts
+  taosArrayPush(pBlock->pDataBlock, &infoData);
+  // window end ts
+  taosArrayPush(pBlock->pDataBlock, &infoData);
+
+  infoData.info.type = TSDB_DATA_TYPE_UBIGINT;
+  infoData.info.bytes = sizeof(uint64_t);
+  taosArrayPush(pBlock->pDataBlock, &infoData);
+
+  return pBlock;
 }
 
 SOperatorInfo* createStreamFinalIntervalOperatorInfo(SOperatorInfo* downstream, SPhysiNode* pPhyNode,
@@ -2412,23 +2640,30 @@ SOperatorInfo* createStreamFinalIntervalOperatorInfo(SOperatorInfo* downstream,
       goto _error;
     }
   }
-  // semi interval operator does not catch result
   pInfo->pUpdateRes = createResDataBlock(pPhyNode->pOutputDataBlockDesc);
-  pInfo->pUpdateRes->info.type = STREAM_REPROCESS;
+  pInfo->pUpdateRes->info.type = STREAM_CLEAR;
   blockDataEnsureCapacity(pInfo->pUpdateRes, 128);
+  pInfo->returnUpdate = false;
+
   pInfo->pPhyNode = (SPhysiNode*)nodesCloneNode((SNode*)pPhyNode);
 
   if (pPhyNode->type == QUERY_NODE_PHYSICAL_PLAN_STREAM_FINAL_INTERVAL) {
     pInfo->isFinal = true;
     pOperator->name = "StreamFinalIntervalOperator";
   } else {
+    // semi interval operator does not catch result
     pInfo->isFinal = false;
     pOperator->name = "StreamSemiIntervalOperator";
   }
 
-  if (!IS_FINAL_OP(pInfo)) {
+  if (!IS_FINAL_OP(pInfo) || numOfChild == 0) {
     pInfo->twAggSup.calTrigger = STREAM_TRIGGER_AT_ONCE;
   }
+  pInfo->pPullWins = taosArrayInit(8, sizeof(SPullWindowInfo));
+  pInfo->pullIndex = 0;
+  _hash_fn_t hashFn = taosGetDefaultHashFunction(TSDB_DATA_TYPE_BINARY);
+  pInfo->pPullDataMap = taosHashInit(64, hashFn, false, HASH_NO_LOCK);
+  pInfo->pPullDataRes = createPullDataBlock();
 
   pOperator->operatorType = pPhyNode->type;
   pOperator->blocking = true;
@@ -2811,11 +3046,6 @@ void compactTimeWindow(SStreamSessionAggOperatorInfo* pInfo, int32_t startIndex,
   }
 }
 
-typedef struct SWinRes {
-  TSKEY    ts;
-  uint64_t groupId;
-} SWinRes;
-
 static void doStreamSessionAggImpl(SOperatorInfo* pOperator, SSDataBlock* pSDataBlock, SHashObj* pStUpdated,
                                    SHashObj* pStDeleted, bool hasEndTs) {
   SExecTaskInfo*                 pTaskInfo = pOperator->pTaskInfo;
@@ -3027,14 +3257,14 @@ static SSDataBlock* doStreamSessionAgg(SOperatorInfo* pOperator) {
   } else if (pOperator->status == OP_RES_TO_RETURN) {
     doBuildDeleteDataBlock(pInfo->pStDeleted, pInfo->pDelRes, &pInfo->pDelIterator);
     if (pInfo->pDelRes->info.rows > 0) {
-      /*printDataBlock(pInfo->pDelRes, "session del");*/
+      printDataBlock(pInfo->pDelRes, IS_FINAL_OP(pInfo)? "Final  Session" : "Single Session");
       return pInfo->pDelRes;
     }
     doBuildResultDatablock(pOperator, pBInfo, &pInfo->groupResInfo, pInfo->streamAggSup.pResultBuf);
     if (pBInfo->pRes->info.rows == 0 || !hasDataInGroupInfo(&pInfo->groupResInfo)) {
       doSetOperatorCompleted(pOperator);
     }
-    /*printDataBlock(pBInfo->pRes, "session insert");*/
+    printDataBlock(pBInfo->pRes, IS_FINAL_OP(pInfo)? "Final  Session" : "Single Session");
     return pBInfo->pRes->info.rows == 0 ? NULL : pBInfo->pRes;
   }
 
@@ -3048,7 +3278,7 @@ static SSDataBlock* doStreamSessionAgg(SOperatorInfo* pOperator) {
       break;
     }
 
-    if (pBlock->info.type == STREAM_REPROCESS) {
+    if (pBlock->info.type == STREAM_CLEAR) {
       SArray* pWins = taosArrayInit(16, sizeof(SResultWindowInfo));
       doClearSessionWindows(&pInfo->streamAggSup, &pOperator->exprSupp, pBlock, 0, pOperator->exprSupp.numOfExprs,
                             pInfo->gap, pWins);
@@ -3102,11 +3332,11 @@ static SSDataBlock* doStreamSessionAgg(SOperatorInfo* pOperator) {
   blockDataEnsureCapacity(pInfo->binfo.pRes, pOperator->resultInfo.capacity);
   doBuildDeleteDataBlock(pInfo->pStDeleted, pInfo->pDelRes, &pInfo->pDelIterator);
   if (pInfo->pDelRes->info.rows > 0) {
-    /*printDataBlock(pInfo->pDelRes, "session del");*/
+    printDataBlock(pInfo->pDelRes, IS_FINAL_OP(pInfo)? "Final  Session" : "Single Session");
     return pInfo->pDelRes;
   }
   doBuildResultDatablock(pOperator, &pInfo->binfo, &pInfo->groupResInfo, pInfo->streamAggSup.pResultBuf);
-  /*printDataBlock(pBInfo->pRes, "session insert");*/
+  printDataBlock(pBInfo->pRes, IS_FINAL_OP(pInfo)? "Final  Session" : "Single Session");
   return pBInfo->pRes->info.rows == 0 ? NULL : pBInfo->pRes;
 }
 
@@ -3169,11 +3399,11 @@ static SSDataBlock* doStreamSessionSemiAgg(SOperatorInfo* pOperator) {
   while (1) {
     SSDataBlock* pBlock = downstream->fpSet.getNextFn(downstream);
     if (pBlock == NULL) {
-      clearUpdateDataBlock(pInfo->pUpdateRes);
+      clearSpecialDataBlock(pInfo->pUpdateRes);
       break;
     }
 
-    if (pBlock->info.type == STREAM_REPROCESS) {
+    if (pBlock->info.type == STREAM_CLEAR) {
       SArray* pWins = taosArrayInit(16, sizeof(SResultWindowInfo));
       doClearSessionWindows(&pInfo->streamAggSup, pSup, pBlock, 0, pSup->numOfExprs, pInfo->gap, pWins);
       removeSessionResults(pStUpdated, pWins);
@@ -3236,7 +3466,7 @@ SOperatorInfo* createStreamFinalSessionAggOperatorInfo(SOperatorInfo* downstream
   } else {
     pInfo->isFinal = false;
     pInfo->pUpdateRes = createResDataBlock(pPhyNode->pOutputDataBlockDesc);
-    pInfo->pUpdateRes->info.type = STREAM_REPROCESS;
+    pInfo->pUpdateRes->info.type = STREAM_CLEAR;
     blockDataEnsureCapacity(pInfo->pUpdateRes, 128);
     pOperator->name = "StreamSessionSemiAggOperator";
     pOperator->fpSet =
@@ -3554,7 +3784,7 @@ static SSDataBlock* doStreamStateAgg(SOperatorInfo* pOperator) {
       break;
     }
 
-    if (pBlock->info.type == STREAM_REPROCESS) {
+    if (pBlock->info.type == STREAM_CLEAR) {
       doClearStateWindows(&pInfo->streamAggSup, pBlock, pInfo->primaryTsIndex, &pInfo->stateCol, pInfo->stateCol.slotId,
                           pSeUpdated, pInfo->pSeDeleted);
       continue;
diff --git a/source/libs/stream/src/streamDispatch.c b/source/libs/stream/src/streamDispatch.c
index 0c9d46f0555009686275b036ec702a641cc7ad4f..a5e9b8edd975f946571d1baf19010eeb77966ecc 100644
--- a/source/libs/stream/src/streamDispatch.c
+++ b/source/libs/stream/src/streamDispatch.c
@@ -115,6 +115,7 @@ int32_t streamBroadcastToChildren(SStreamTask* pTask, const SSDataBlock* pBlock)
       .srcNodeId = pTask->nodeId,
       .srcTaskId = pTask->taskId,
       .pRetrieve = pRetrieve,
+      .retrieveLen = dataStrLen,
   };
 
   int32_t sz = taosArrayGetSize(pTask->childEpInfo);
@@ -146,7 +147,7 @@ int32_t streamBroadcastToChildren(SStreamTask* pTask, const SSDataBlock* pBlock)
         .code = 0,
         .msgType = TDMT_STREAM_RETRIEVE,
         .pCont = buf,
-        .contLen = len,
+        .contLen = sizeof(SMsgHead) + len,
     };
 
     if (tmsgSendReq(&pEpInfo->epSet, &rpcMsg) < 0) {
diff --git a/source/libs/stream/src/streamExec.c b/source/libs/stream/src/streamExec.c
index fe0f406f8d897c69bd9e97afa4c927d1a97cfe96..c75e6c004ab25defda3cf422fb11bf12a1a4c659 100644
--- a/source/libs/stream/src/streamExec.c
+++ b/source/libs/stream/src/streamExec.c
@@ -45,11 +45,16 @@ static int32_t streamTaskExecImpl(SStreamTask* pTask, void* data, SArray* pRes)
       ASSERT(false);
     }
     if (output == NULL) {
-      if (pItem->type == STREAM_INPUT__DATA_RETRIEVE && !hasData) {
-        SSDataBlock block = {0};
-        block.info.type = STREAM_PUSH_DATA;
-        block.info.childId = pTask->selfChildId;
-        taosArrayPush(pRes, &block);
+      if (pItem->type == STREAM_INPUT__DATA_RETRIEVE) {
+        //SSDataBlock block = {0};
+        //block.info.type = STREAM_PUSH_EMPTY;
+        //block.info.childId = pTask->selfChildId;
+        SStreamDataBlock* pRetrieveBlock = (SStreamDataBlock*)data;
+        ASSERT(taosArrayGetSize(pRetrieveBlock->blocks) == 1);
+        SSDataBlock* pBlock = createOneDataBlock(taosArrayGet(pRetrieveBlock->blocks, 0), true);
+        pBlock->info.type = STREAM_PUSH_EMPTY;
+        pBlock->info.childId = pTask->selfChildId;
+        taosArrayPush(pRes, pBlock);
       }
       break;
     }
diff --git a/source/libs/stream/src/streamUpdate.c b/source/libs/stream/src/streamUpdate.c
index ada391b40a76af148e07789375a756a6590648b3..3d64cec8d831d70fb1a3f858c844fb264943f926 100644
--- a/source/libs/stream/src/streamUpdate.c
+++ b/source/libs/stream/src/streamUpdate.c
@@ -119,6 +119,7 @@ SUpdateInfo *updateInfoInit(int64_t interval, int32_t precision, int64_t waterma
     taosArrayPush(pInfo->pTsBuckets, &dumy);
   }
   pInfo->numBuckets = DEFAULT_BUCKET_SIZE;
+  pInfo->pCloseWinSBF = NULL;
   return pInfo;
 }
 
@@ -154,6 +155,9 @@ bool updateInfoIsUpdated(SUpdateInfo *pInfo, tb_uid_t tableId, TSKEY ts) {
   TSKEY maxTs = *(TSKEY *)taosArrayGet(pInfo->pTsBuckets, index);
   if (ts < maxTs - pInfo->watermark) {
     // this window has been closed.
+    if (pInfo->pCloseWinSBF) {
+      return tScalableBfPut(pInfo->pCloseWinSBF, &ts, sizeof(TSKEY));
+    }
     return true;
   }
 
@@ -193,3 +197,19 @@ void updateInfoDestroy(SUpdateInfo *pInfo) {
   taosArrayDestroy(pInfo->pTsSBFs);
   taosMemoryFree(pInfo);
 }
+
+void updateInfoAddCloseWindowSBF(SUpdateInfo *pInfo) {
+  if (pInfo->pCloseWinSBF) {
+    return;
+  }
+  int64_t rows = adjustExpEntries(pInfo->interval * ROWS_PER_MILLISECOND);
+  pInfo->pCloseWinSBF = tScalableBfInit(rows, DEFAULT_FALSE_POSITIVE);
+}
+
+void updateInfoDestoryColseWinSBF(SUpdateInfo *pInfo) {
+  if (!pInfo || !pInfo->pCloseWinSBF) {
+    return;
+  }
+  tScalableBfDestroy(pInfo->pCloseWinSBF);
+  pInfo->pCloseWinSBF = NULL;
+}
diff --git a/tests/script/tsim/stream/distributeInterval0.sim b/tests/script/tsim/stream/distributeInterval0.sim
index 91ce49bc8c1e4dca2a51f7d0208bfc1724b06352..3e38df2c8952c01ab0e0c018366554ee2237ec6b 100644
--- a/tests/script/tsim/stream/distributeInterval0.sim
+++ b/tests/script/tsim/stream/distributeInterval0.sim
@@ -80,17 +80,17 @@ endi
 
 if $data03 != 4 then
   print ======$data03
-  return -1
+  goto loop1
 endi
 
 if $data04 != 52 then
   print ======$data04
-  return -1
+  goto loop1
 endi
 
 if $data05 != 13 then
   print ======$data05
-  return -1
+  goto loop1
 endi
 
 # row 1
@@ -179,7 +179,7 @@ sql use test1;
 sql create stable st(ts timestamp, a int, b int , c int) tags(ta int,tb int,tc int);
 sql create table ts1 using st tags(1,1,1);
 sql create table ts2 using st tags(2,2,2);
-sql create stream stream_t2 trigger at_once  into streamtST1 as select  _wstartts, count(*) c1, count(a) c2 , sum(a) c3 ,  max(b)  c5, min(c) c6 from st interval(10s) ;
+sql create stream stream_t2 trigger at_once  watermark 20s into streamtST1 as select  _wstartts, count(*) c1, count(a) c2 , sum(a) c3 ,  max(b)  c5, min(c) c6 from st interval(10s) ;
 
 sql insert into ts1 values(1648791211000,1,2,3);
 sql insert into ts1 values(1648791222001,2,2,3);
diff --git a/tests/script/tsim/stream/partitionby.sim b/tests/script/tsim/stream/partitionby.sim
index b84a01eb4ac77b33230637905d0e5537fa676bb1..c634ad85eef0713a3955d806a953e4bf93947be7 100644
--- a/tests/script/tsim/stream/partitionby.sim
+++ b/tests/script/tsim/stream/partitionby.sim
@@ -74,7 +74,7 @@ sql create stable st(ts timestamp,a int,b int,c int,id int) tags(ta int,tb int,t
 sql create table ts1 using st tags(1,1,1);
 sql create table ts2 using st tags(2,2,2);
 
-sql create stream stream_t2 trigger at_once  into streamtST as select  _wstartts, count(*) c1, count(a) c2 , sum(a) c3 ,  max(b)  c5, min(c) c6, max(id) c7 from st partition by ta interval(10s) ;
+sql create stream stream_t2 trigger at_once  watermark 20s into streamtST as select  _wstartts, count(*) c1, count(a) c2 , sum(a) c3 ,  max(b)  c5, min(c) c6, max(id) c7 from st partition by ta interval(10s) ;
 sql insert into ts1 values(1648791211000,1,2,3,1);
 sql insert into ts1 values(1648791222001,2,2,3,2);
 sql insert into ts2 values(1648791211000,1,2,3,3);
@@ -83,16 +83,16 @@ sql insert into ts2 values(1648791222001,2,2,3,4);
 sql insert into ts2 values(1648791222002,2,2,3,5);
 sql insert into ts2 values(1648791222002,2,2,3,6);
 
-sql insert into ts1 values(1648791211000,1,2,3,1);
-sql insert into ts1 values(1648791222001,2,2,3,2);
-sql insert into ts2 values(1648791211000,1,2,3,3);
-sql insert into ts2 values(1648791222001,2,2,3,4);
+sql insert into ts1 values(1648791211000,1,2,3,7);
+sql insert into ts1 values(1648791222001,2,2,3,8);
+sql insert into ts2 values(1648791211000,1,2,3,9);
+sql insert into ts2 values(1648791222001,2,2,3,10);
 
 $loop_count = 0
 
 loop2:
 sleep 300
-sql select * from streamtST;
+sql select * from streamtST order by c7 asc;
 
 $loop_count = $loop_count + 1
 if $loop_count == 10 then
@@ -104,8 +104,18 @@ print =====data01=$data01
 goto loop2
 endi
 
-if $data02 != 1 then
-print =====data02=$data02
+if $data11 != 1 then
+print =====data11=$data11
+goto loop2
+endi
+
+if $data21 != 1 then
+print =====data21=$data21
+goto loop2
+endi
+
+if $data31 != 2 then
+print =====data31=$data31
 goto loop2
 endi
 
@@ -114,8 +124,18 @@ print =====data03=$data03
 goto loop2
 endi
 
-if $data04 != 2 then
-print =====data04=$data04
+if $data13 != 2 then
+print =====data13=$data13
+goto loop2
+endi
+
+if $data23 != 1 then
+print =====data23=$data23
+goto loop2
+endi
+
+if $data33 != 4 then
+print =====data33=$data33
 goto loop2
 endi
 
diff --git a/tests/script/tsim/stream/schedSnode.sim b/tests/script/tsim/stream/schedSnode.sim
index dbf714a96fbabce40bccb30c2245b918b22c971d..dbdaaf65d0ad74ef28f6709f8a9c04582b0c5293 100644
--- a/tests/script/tsim/stream/schedSnode.sim
+++ b/tests/script/tsim/stream/schedSnode.sim
@@ -79,17 +79,17 @@ endi
 
 if $data03 != 4 then
   print ======$data03
-  return -1
+  goto loop1
 endi
 
 if $data04 != 52 then
   print ======$data04
-  return -1
+  goto loop1
 endi
 
 if $data05 != 13 then
   print ======$data05
-  return -1
+  goto loop1
 endi
 
 # row 1