diff --git a/include/libs/executor/executor.h b/include/libs/executor/executor.h
index 6f2a6126b3..34372dc2ff 100644
--- a/include/libs/executor/executor.h
+++ b/include/libs/executor/executor.h
@@ -123,7 +123,7 @@ int32_t qSetSMAInput(qTaskInfo_t tinfo, const void* pBlocks, size_t numOfBlocks,
  * @param isAdd
  * @return
  */
-int32_t qUpdateTableListForStreamScanner(qTaskInfo_t tinfo, const SArray* tableIdList, bool isAdd, SArray* pList);
+int32_t qUpdateTableListForStreamScanner(qTaskInfo_t tinfo, const SArray* tableIdList, bool isAdd);
 
 /**
  * Create the exec task object according to task json
diff --git a/include/libs/stream/tstream.h b/include/libs/stream/tstream.h
index 70b2eb0c3b..e857cce70d 100644
--- a/include/libs/stream/tstream.h
+++ b/include/libs/stream/tstream.h
@@ -31,7 +31,6 @@ extern "C" {
 #ifndef _STREAM_H_
 #define _STREAM_H_
 
-typedef void  (*_free_reader_fn_t)(void*);
 typedef struct SStreamTask SStreamTask;
 
 enum {
@@ -221,7 +220,6 @@ SStreamDataSubmit2* streamSubmitBlockClone(SStreamDataSubmit2* pSubmit);
 typedef struct {
   char*              qmsg;
   void*              pExecutor;   // not applicable to encoder and decoder
-  struct STqReader*  pTqReader;   // not applicable to encoder and decoder
   struct SWalReader* pWalReader;  // not applicable to encoder and decoder
 } STaskExec;
 
@@ -333,7 +331,6 @@ struct SStreamTask {
   int64_t             checkpointingId;
   int32_t             checkpointAlignCnt;
   struct SStreamMeta* pMeta;
-  _free_reader_fn_t   freeFp;
 };
 
 // meta
@@ -343,7 +340,6 @@ typedef struct SStreamMeta {
     TTB*         pTaskDb;
     TTB*         pCheckpointDb;
     SHashObj*    pTasks;
-    SHashObj*    pWalReadTasks;
     void*        ahandle;
     TXN*         txn;
     FTaskExpand* expandFunc;
@@ -577,7 +573,6 @@ int32_t      streamMetaAddDeployedTask(SStreamMeta* pMeta, int64_t ver, SStreamT
 int32_t      streamMetaAddSerializedTask(SStreamMeta* pMeta, int64_t checkpointVer, char* msg, int32_t msgLen);
 int32_t      streamMetaGetNumOfTasks(const SStreamMeta* pMeta);
 
-SStreamTask* streamMetaAcquireTaskEx(SStreamMeta* pMeta, int32_t taskId);
 SStreamTask* streamMetaAcquireTask(SStreamMeta* pMeta, int32_t taskId);
 void         streamMetaReleaseTask(SStreamMeta* pMeta, SStreamTask* pTask);
 void         streamMetaRemoveTask(SStreamMeta* pMeta, int32_t taskId);
diff --git a/source/dnode/mgmt/mgmt_snode/src/smInt.c b/source/dnode/mgmt/mgmt_snode/src/smInt.c
index 28097311ac..e222349767 100644
--- a/source/dnode/mgmt/mgmt_snode/src/smInt.c
+++ b/source/dnode/mgmt/mgmt_snode/src/smInt.c
@@ -55,6 +55,7 @@ int32_t smOpen(SMgmtInputOpt *pInput, SMgmtOutputOpt *pOutput) {
     smClose(pMgmt);
     return -1;
   }
+
   tmsgReportStartup("snode-impl", "initialized");
 
   if (smStartWorker(pMgmt) != 0) {
diff --git a/source/dnode/mnode/impl/src/mndScheduler.c b/source/dnode/mnode/impl/src/mndScheduler.c
index 36521fd778..734f624be0 100644
--- a/source/dnode/mnode/impl/src/mndScheduler.c
+++ b/source/dnode/mnode/impl/src/mndScheduler.c
@@ -356,6 +356,7 @@ int32_t mndScheduleStream(SMnode* pMnode, SStreamObj* pStream) {
         qDestroyQueryPlan(pPlan);
         return -1;
       }
+
       pInnerTask->fillHistory = pStream->fillHistory;
       mndAddTaskToTaskSet(taskInnerLevel, pInnerTask);
 
diff --git a/source/dnode/snode/src/snode.c b/source/dnode/snode/src/snode.c
index eb4ea284a5..ba3544bbda 100644
--- a/source/dnode/snode/src/snode.c
+++ b/source/dnode/snode/src/snode.c
@@ -32,6 +32,7 @@ void sndEnqueueStreamDispatch(SSnode *pSnode, SRpcMsg *pMsg) {
     tDecoderClear(&decoder);
     goto FAIL;
   }
+
   tDecoderClear(&decoder);
 
   int32_t taskId = req.taskId;
@@ -78,6 +79,7 @@ int32_t sndExpandTask(SSnode *pSnode, SStreamTask *pTask, int64_t ver) {
   pTask->outputStatus = TASK_OUTPUT_STATUS__NORMAL;
   pTask->pMsgCb = &pSnode->msgCb;
   pTask->chkInfo.version = ver;
+  pTask->pMeta = pSnode->pMeta;
 
   pTask->pState = streamStateOpen(pSnode->path, pTask, false, -1, -1);
   if (pTask->pState == NULL) {
@@ -138,6 +140,7 @@ int32_t sndProcessTaskDeployReq(SSnode *pSnode, char *msg, int32_t msgLen) {
   if (pTask == NULL) {
     return -1;
   }
+
   SDecoder decoder;
   tDecoderInit(&decoder, (uint8_t *)msg, msgLen);
   code = tDecodeStreamTask(&decoder, pTask);
diff --git a/source/dnode/vnode/src/sma/smaRollup.c b/source/dnode/vnode/src/sma/smaRollup.c
index 8aeb705d90..ce987ca88e 100644
--- a/source/dnode/vnode/src/sma/smaRollup.c
+++ b/source/dnode/vnode/src/sma/smaRollup.c
@@ -168,7 +168,7 @@ static int32_t tdUpdateTbUidListImpl(SSma *pSma, tb_uid_t *suid, SArray *tbUids,
 
   for (int32_t i = 0; i < TSDB_RETENTION_L2; ++i) {
     if (pRSmaInfo->taskInfo[i]) {
-      if ((terrno = qUpdateTableListForStreamScanner(pRSmaInfo->taskInfo[i], tbUids, isAdd, NULL)) < 0) {
+      if ((terrno = qUpdateTableListForStreamScanner(pRSmaInfo->taskInfo[i], tbUids, isAdd)) < 0) {
         tdReleaseRSmaInfo(pSma, pRSmaInfo);
         smaError("vgId:%d, update tbUidList failed for uid:%" PRIi64 " level %d since %s", SMA_VID(pSma), *suid, i,
                  terrstr());
diff --git a/source/dnode/vnode/src/tq/tq.c b/source/dnode/vnode/src/tq/tq.c
index 940841bf70..60c6c3d7fb 100644
--- a/source/dnode/vnode/src/tq/tq.c
+++ b/source/dnode/vnode/src/tq/tq.c
@@ -567,6 +567,7 @@ int32_t tqExpandTask(STQ* pTq, SStreamTask* pTask, int64_t ver) {
   pTask->outputStatus = TASK_OUTPUT_STATUS__NORMAL;
   pTask->pMsgCb = &pTq->pVnode->msgCb;
   pTask->pMeta = pTq->pStreamMeta;
+  pTask->chkInfo.version = ver;
 
   // expand executor
   if (pTask->fillHistory) {
@@ -628,18 +629,7 @@ int32_t tqExpandTask(STQ* pTq, SStreamTask* pTask, int64_t ver) {
   }
 
   if (pTask->taskLevel == TASK_LEVEL__SOURCE) {
-    pTask->exec.pTqReader = tqOpenReader(pTq->pVnode);
-    if (pTask->exec.pTqReader == NULL) {
-      terrno = TSDB_CODE_OUT_OF_MEMORY;
-      return -1;
-    }
-
     pTask->exec.pWalReader = walOpenReader(pTq->pVnode->pWal, NULL);
-
-    pTask->freeFp = (_free_reader_fn_t)tqCloseReader;
-    SArray* pList = qGetQueriedTableListInfo(pTask->exec.pExecutor);
-    tqReaderAddTbUidList(pTask->exec.pTqReader, pList);
-    taosArrayDestroy(pList);
   }
 
   streamSetupTrigger(pTask);
@@ -669,17 +659,22 @@ int32_t tqProcessStreamTaskCheckReq(STQ* pTq, SRpcMsg* pMsg) {
   };
 
   SStreamTask* pTask = streamMetaAcquireTask(pTq->pStreamMeta, taskId);
-  if (pTask && atomic_load_8(&pTask->status.taskStatus) == TASK_STATUS__NORMAL) {
-    rsp.status = 1;
+  if (pTask) {
+    rsp.status = (atomic_load_8(&pTask->status.taskStatus) == TASK_STATUS__NORMAL) ? 1 : 0;
+    streamMetaReleaseTask(pTq->pStreamMeta, pTask);
+
+    tqDebug("tq recv task check req(reqId:0x%" PRIx64
+            ") %d at node %d task status:%d, check req from task %d at node %d, rsp status %d",
+            rsp.reqId, rsp.downstreamTaskId, rsp.downstreamNodeId, pTask->status.taskStatus, rsp.upstreamTaskId,
+            rsp.upstreamNodeId, rsp.status);
   } else {
     rsp.status = 0;
+    tqDebug("tq recv task check(taskId:%d not built yet) req(reqId:0x%" PRIx64
+            ") %d at node %d, check req from task %d at node %d, rsp status %d",
+            taskId, rsp.reqId, rsp.downstreamTaskId, rsp.downstreamNodeId, rsp.upstreamTaskId, rsp.upstreamNodeId,
+            rsp.status);
   }
 
-  if (pTask) streamMetaReleaseTask(pTq->pStreamMeta, pTask);
-
-  tqDebug("tq recv task check req(reqId:0x%" PRIx64 ") %d at node %d check req from task %d at node %d, status %d",
-          rsp.reqId, rsp.downstreamTaskId, rsp.downstreamNodeId, rsp.upstreamTaskId, rsp.upstreamNodeId, rsp.status);
-
   SEncoder encoder;
   int32_t  code;
   int32_t  len;
@@ -697,13 +692,7 @@ int32_t tqProcessStreamTaskCheckReq(STQ* pTq, SRpcMsg* pMsg) {
   tEncodeSStreamTaskCheckRsp(&encoder, &rsp);
   tEncoderClear(&encoder);
 
-  SRpcMsg rspMsg = {
-      .code = 0,
-      .pCont = buf,
-      .contLen = sizeof(SMsgHead) + len,
-      .info = pMsg->info,
-  };
-
+  SRpcMsg rspMsg = { .code = 0, .pCont = buf, .contLen = sizeof(SMsgHead) + len, .info = pMsg->info };
   tmsgSendRsp(&rspMsg);
   return 0;
 }
@@ -719,8 +708,8 @@ int32_t tqProcessStreamTaskCheckRsp(STQ* pTq, int64_t sversion, char* msg, int32
     tDecoderClear(&decoder);
     return -1;
   }
-  tDecoderClear(&decoder);
 
+  tDecoderClear(&decoder);
   tqDebug("tq recv task check rsp(reqId:0x%" PRIx64 ") %d at node %d check req from task %d at node %d, status %d",
           rsp.reqId, rsp.downstreamTaskId, rsp.downstreamNodeId, rsp.upstreamTaskId, rsp.upstreamNodeId, rsp.status);
 
@@ -774,8 +763,8 @@ int32_t tqProcessTaskDeployReq(STQ* pTq, int64_t sversion, char* msg, int32_t ms
     streamTaskCheckDownstream(pTask, sversion);
   }
 
-  tqDebug("vgId:%d s-task:%s is deployed from mnd, status:%d, total:%d", TD_VID(pTq->pVnode), pTask->id.idStr,
-          pTask->status.taskStatus, streamMetaGetNumOfTasks(pTq->pStreamMeta));
+  tqDebug("vgId:%d s-task:%s is deployed and add meta from mnd, status:%d, total:%d", TD_VID(pTq->pVnode),
+          pTask->id.idStr, pTask->status.taskStatus, streamMetaGetNumOfTasks(pTq->pStreamMeta));
   return 0;
 }
 
@@ -1127,7 +1116,7 @@ int32_t tqProcessTaskRunReq(STQ* pTq, SRpcMsg* pMsg) {
     return 0;
   }
 
-  SStreamTask* pTask = streamMetaAcquireTaskEx(pTq->pStreamMeta, taskId);
+  SStreamTask* pTask = streamMetaAcquireTask(pTq->pStreamMeta, taskId);
   if (pTask != NULL) {
     if (pTask->status.taskStatus == TASK_STATUS__NORMAL) {
       tqDebug("vgId:%d s-task:%s start to process run req", vgId, pTask->id.idStr);
@@ -1141,7 +1130,6 @@ int32_t tqProcessTaskRunReq(STQ* pTq, SRpcMsg* pMsg) {
     }
 
     streamMetaReleaseTask(pTq->pStreamMeta, pTask);
-
     tqStartStreamTasks(pTq);
     return 0;
   } else {
diff --git a/source/dnode/vnode/src/tq/tqRead.c b/source/dnode/vnode/src/tq/tqRead.c
index 69624f4d10..25ab7209d2 100644
--- a/source/dnode/vnode/src/tq/tqRead.c
+++ b/source/dnode/vnode/src/tq/tqRead.c
@@ -973,7 +973,7 @@ int32_t tqUpdateTbUidList(STQ* pTq, const SArray* tbUidList, bool isAdd) {
 
     STqHandle* pTqHandle = (STqHandle*)pIter;
     if (pTqHandle->execHandle.subType == TOPIC_SUB_TYPE__COLUMN) {
-      int32_t code = qUpdateTableListForStreamScanner(pTqHandle->execHandle.task, tbUidList, isAdd, NULL);
+      int32_t code = qUpdateTableListForStreamScanner(pTqHandle->execHandle.task, tbUidList, isAdd);
       if (code != 0) {
         tqError("update qualified table error for %s", pTqHandle->subKey);
         continue;
@@ -1031,18 +1031,11 @@ int32_t tqUpdateTbUidList(STQ* pTq, const SArray* tbUidList, bool isAdd) {
 
     SStreamTask* pTask = *(SStreamTask**)pIter;
     if (pTask->taskLevel == TASK_LEVEL__SOURCE) {
-      SArray* pList = NULL;
-      int32_t code = qUpdateTableListForStreamScanner(pTask->exec.pExecutor, tbUidList, isAdd, pList);
+      int32_t code = qUpdateTableListForStreamScanner(pTask->exec.pExecutor, tbUidList, isAdd);
       if (code != 0) {
         tqError("vgId:%d, s-task:%s update qualified table error for stream task", vgId, pTask->id.idStr);
         continue;
       }
-
-      if (isAdd) { // only add qualified tables
-        tqReaderAddTbUidList(pTask->exec.pTqReader, pList);
-      } else {
-        tqReaderRemoveTbUidList(pTask->exec.pTqReader, tbUidList);
-      }
     }
   }
 
diff --git a/source/dnode/vnode/src/tq/tqUtil.c b/source/dnode/vnode/src/tq/tqUtil.c
index 791bfbe6df..4c37e1052f 100644
--- a/source/dnode/vnode/src/tq/tqUtil.c
+++ b/source/dnode/vnode/src/tq/tqUtil.c
@@ -49,32 +49,6 @@ int32_t tqAddInputBlockNLaunchTask(SStreamTask* pTask, SStreamQueueItem* pQueueI
   return TSDB_CODE_SUCCESS;
 }
 
-int32_t launchTaskForWalBlock(SStreamTask* pTask, SFetchRet* pRet, STqOffset* pOffset) {
-  SStreamDataBlock* pBlocks = taosAllocateQitem(sizeof(SStreamDataBlock), DEF_QITEM, 0);
-  if (pBlocks == NULL) { // failed, do nothing
-    terrno = TSDB_CODE_OUT_OF_MEMORY;
-    return -1;
-  }
-
-  pRet->data.info.type = STREAM_NORMAL;
-  pBlocks->type = STREAM_INPUT__DATA_BLOCK;
-  pBlocks->sourceVer = pOffset->val.version;
-  pBlocks->blocks = taosArrayInit(0, sizeof(SSDataBlock));
-  taosArrayPush(pBlocks->blocks, &pRet->data);
-
-//          int64_t* ts = (int64_t*)(((SColumnInfoData*)ret.data.pDataBlock->pData)->pData);
-//          tqDebug("-----------%ld\n", ts[0]);
-
-  int32_t code = tqAddInputBlockNLaunchTask(pTask, (SStreamQueueItem*)pBlocks, pBlocks->sourceVer);
-  if (code == TSDB_CODE_SUCCESS) {
-    pOffset->val.version = walReaderGetCurrentVer(pTask->exec.pTqReader->pWalReader);
-    tqDebug("s-task:%s set the ver:%" PRId64 " from WALReader after extract block from WAL", pTask->id.idStr,
-            pOffset->val.version);
-  }
-
-  return 0;
-}
-
 void initOffsetForAllRestoreTasks(STQ* pTq) {
   void* pIter = NULL;
 
@@ -90,8 +64,7 @@ void initOffsetForAllRestoreTasks(STQ* pTq) {
     }
 
     if (pTask->status.taskStatus == TASK_STATUS__RECOVER_PREPARE || pTask->status.taskStatus == TASK_STATUS__WAIT_DOWNSTREAM) {
-      tqDebug("stream task:%d skip push data, not ready for processing, status %d", pTask->id.taskId,
-              pTask->status.taskStatus);
+      tqDebug("s-task:%s skip push data, since not ready, status %d", pTask->id.idStr, pTask->status.taskStatus);
       continue;
     }
 
@@ -120,7 +93,7 @@ void saveOffsetForAllTasks(STQ* pTq, int64_t ver) {
     }
 
     if (pTask->status.taskStatus == TASK_STATUS__RECOVER_PREPARE || pTask->status.taskStatus == TASK_STATUS__WAIT_DOWNSTREAM) {
-      tqDebug("stream task:%d skip push data, not ready for processing, status %d", pTask->id.taskId,
+      tqDebug("s-task:%s skip push data, not ready for processing, status %d", pTask->id.idStr,
               pTask->status.taskStatus);
       continue;
     }
diff --git a/source/libs/executor/src/executor.c b/source/libs/executor/src/executor.c
index 255949a588..2bc91f0cb3 100644
--- a/source/libs/executor/src/executor.c
+++ b/source/libs/executor/src/executor.c
@@ -370,7 +370,7 @@ static SArray* filterUnqualifiedTables(const SStreamScanInfo* pScanInfo, const S
   return qa;
 }
 
-int32_t qUpdateTableListForStreamScanner(qTaskInfo_t tinfo, const SArray* tableIdList, bool isAdd, SArray* pList) {
+int32_t qUpdateTableListForStreamScanner(qTaskInfo_t tinfo, const SArray* tableIdList, bool isAdd) {
   SExecTaskInfo* pTaskInfo = (SExecTaskInfo*)tinfo;
   const char*    id = GET_TASKID(pTaskInfo);
   int32_t        code = 0;
@@ -386,11 +386,6 @@ int32_t qUpdateTableListForStreamScanner(qTaskInfo_t tinfo, const SArray* tableI
   if (isAdd) {  // add new table id
     SArray* qa = filterUnqualifiedTables(pScanInfo, tableIdList, GET_TASKID(pTaskInfo));
     int32_t numOfQualifiedTables = taosArrayGetSize(qa);
-
-    if (pList != NULL) {
-      taosArrayAddAll(pList, qa);
-    }
-
     qDebug("%d qualified child tables added into stream scanner, %s", numOfQualifiedTables, id);
     code = tqReaderAddTbUidList(pScanInfo->tqReader, qa);
     if (code != TSDB_CODE_SUCCESS) {
diff --git a/source/libs/stream/src/streamMeta.c b/source/libs/stream/src/streamMeta.c
index 0008c8dd8c..fecc01f295 100644
--- a/source/libs/stream/src/streamMeta.c
+++ b/source/libs/stream/src/streamMeta.c
@@ -57,11 +57,6 @@ SStreamMeta* streamMetaOpen(const char* path, void* ahandle, FTaskExpand expandF
     goto _err;
   }
 
-  pMeta->pWalReadTasks = taosHashInit(64, fp, true, HASH_ENTRY_LOCK);
-  if (pMeta->pWalReadTasks == NULL) {
-    goto _err;
-  }
-
   if (streamMetaBegin(pMeta) < 0) {
     goto _err;
   }
@@ -75,7 +70,6 @@ SStreamMeta* streamMetaOpen(const char* path, void* ahandle, FTaskExpand expandF
 _err:
   taosMemoryFree(pMeta->path);
   if (pMeta->pTasks) taosHashCleanup(pMeta->pTasks);
-  if (pMeta->pWalReadTasks) taosHashCleanup(pMeta->pWalReadTasks);
   if (pMeta->pTaskDb) tdbTbClose(pMeta->pTaskDb);
   if (pMeta->pCheckpointDb) tdbTbClose(pMeta->pCheckpointDb);
   if (pMeta->db) tdbClose(pMeta->db);
@@ -112,7 +106,6 @@ void streamMetaClose(SStreamMeta* pMeta) {
   }
 
   taosHashCleanup(pMeta->pTasks);
-  taosHashCleanup(pMeta->pWalReadTasks);
   taosMemoryFree(pMeta->path);
   taosMemoryFree(pMeta);
 }
@@ -190,15 +183,12 @@ int32_t streamMetaAddDeployedTask(SStreamMeta* pMeta, int64_t ver, SStreamTask*
     return -1;
   }
 
-  pTask->status.taskStatus = STREAM_STATUS__NORMAL;
   taosHashPut(pMeta->pTasks, &pTask->id.taskId, sizeof(int32_t), &pTask, POINTER_BYTES);
   return 0;
 }
 
 int32_t streamMetaGetNumOfTasks(const SStreamMeta* pMeta) {
-  int32_t numOfReady = taosHashGetSize(pMeta->pTasks);
-  int32_t numOfRestoring = taosHashGetSize(pMeta->pWalReadTasks);
-  return numOfReady + numOfRestoring;
+  return (int32_t) taosHashGetSize(pMeta->pTasks);
 }
 
 SStreamTask* streamMetaAcquireTask(SStreamMeta* pMeta, int32_t taskId) {
@@ -224,37 +214,6 @@ void streamMetaReleaseTask(SStreamMeta* pMeta, SStreamTask* pTask) {
   }
 }
 
-SStreamTask* streamMetaAcquireTaskEx(SStreamMeta* pMeta, int32_t taskId) {
-  taosRLockLatch(&pMeta->lock);
-
-  SStreamTask* pTask = NULL;
-  int32_t      numOfRestored = taosHashGetSize(pMeta->pWalReadTasks);
-  if (numOfRestored > 0) {
-    SStreamTask** p = (SStreamTask**)taosHashGet(pMeta->pWalReadTasks, &taskId, sizeof(taskId));
-    if (p != NULL) {
-      pTask = *p;
-      if (pTask != NULL && (atomic_load_8(&(pTask->status.taskStatus)) != TASK_STATUS__DROPPING)) {
-        atomic_add_fetch_32(&pTask->refCnt, 1);
-        taosRUnLockLatch(&pMeta->lock);
-        return pTask;
-      }
-    }
-  }
-
-  SStreamTask** p = (SStreamTask**)taosHashGet(pMeta->pTasks, &taskId, sizeof(int32_t));
-  if (p != NULL) {
-    pTask = *p;
-    if (pTask != NULL && atomic_load_8(&(pTask->status.taskStatus)) != TASK_STATUS__DROPPING) {
-      atomic_add_fetch_32(&pTask->refCnt, 1);
-      taosRUnLockLatch(&pMeta->lock);
-      return pTask;
-    }
-  }
-
-  taosRUnLockLatch(&pMeta->lock);
-  return NULL;
-}
-
 void streamMetaRemoveTask(SStreamMeta* pMeta, int32_t taskId) {
   SStreamTask** ppTask = (SStreamTask**)taosHashGet(pMeta->pTasks, &taskId, sizeof(int32_t));
   if (ppTask) {
@@ -344,7 +303,7 @@ int32_t streamLoadTasks(SStreamMeta* pMeta, int64_t ver) {
       return -1;
     }
 
-    if (taosHashPut(pMeta->pWalReadTasks, &pTask->id.taskId, sizeof(int32_t), &pTask, sizeof(void*)) < 0) {
+    if (taosHashPut(pMeta->pTasks, &pTask->id.taskId, sizeof(int32_t), &pTask, sizeof(void*)) < 0) {
       tdbFree(pKey);
       tdbFree(pVal);
       tdbTbcClose(pCur);
diff --git a/source/libs/stream/src/streamRecover.c b/source/libs/stream/src/streamRecover.c
index 9962cdfcc0..03afc0692d 100644
--- a/source/libs/stream/src/streamRecover.c
+++ b/source/libs/stream/src/streamRecover.c
@@ -17,6 +17,7 @@
 
 int32_t streamTaskLaunchRecover(SStreamTask* pTask, int64_t version) {
   qDebug("s-task:%s at node %d launch recover", pTask->id.idStr, pTask->nodeId);
+
   if (pTask->taskLevel == TASK_LEVEL__SOURCE) {
     atomic_store_8(&pTask->status.taskStatus, TASK_STATUS__RECOVER_PREPARE);
     streamSetParamForRecover(pTask);
@@ -33,12 +34,7 @@ int32_t streamTaskLaunchRecover(SStreamTask* pTask, int64_t version) {
 
     memcpy(serializedReq, &req, len);
 
-    SRpcMsg rpcMsg = {
-        .contLen = len,
-        .pCont = serializedReq,
-        .msgType = TDMT_VND_STREAM_RECOVER_NONBLOCKING_STAGE,
-    };
-
+    SRpcMsg rpcMsg = { .contLen = len, .pCont = serializedReq, .msgType = TDMT_VND_STREAM_RECOVER_NONBLOCKING_STAGE };
     if (tmsgPutToQueue(pTask->pMsgCb, STREAM_QUEUE, &rpcMsg) < 0) {
       /*ASSERT(0);*/
     }
@@ -50,6 +46,7 @@ int32_t streamTaskLaunchRecover(SStreamTask* pTask, int64_t version) {
   } else if (pTask->taskLevel == TASK_LEVEL__SINK) {
     atomic_store_8(&pTask->status.taskStatus, TASK_STATUS__NORMAL);
   }
+
   return 0;
 }
 
@@ -61,6 +58,7 @@ int32_t streamTaskCheckDownstream(SStreamTask* pTask, int64_t version) {
       .upstreamNodeId = pTask->nodeId,
       .childId = pTask->selfChildId,
   };
+
   // serialize
   if (pTask->outputType == TASK_OUTPUT__FIXED_DISPATCH) {
     req.reqId = tGenIdPI64();
@@ -128,6 +126,7 @@ int32_t streamProcessTaskCheckReq(SStreamTask* pTask, const SStreamTaskCheckReq*
 int32_t streamProcessTaskCheckRsp(SStreamTask* pTask, const SStreamTaskCheckRsp* pRsp, int64_t version) {
   qDebug("task %d at node %d recv check rsp from task %d at node %d: status %d", pRsp->upstreamTaskId,
          pRsp->upstreamNodeId, pRsp->downstreamTaskId, pRsp->downstreamNodeId, pRsp->status);
+
   if (pRsp->status == 1) {
     if (pTask->outputType == TASK_OUTPUT__SHUFFLE_DISPATCH) {
       bool found = false;
@@ -138,7 +137,11 @@ int32_t streamProcessTaskCheckRsp(SStreamTask* pTask, const SStreamTaskCheckRsp*
           break;
         }
       }
-      if (!found) return -1;
+
+      if (!found) {
+        return -1;
+      }
+
       int32_t left = atomic_sub_fetch_32(&pTask->recoverTryingDownstream, 1);
       ASSERT(left >= 0);
       if (left == 0) {
@@ -147,7 +150,10 @@ int32_t streamProcessTaskCheckRsp(SStreamTask* pTask, const SStreamTaskCheckRsp*
         streamTaskLaunchRecover(pTask, version);
       }
     } else if (pTask->outputType == TASK_OUTPUT__FIXED_DISPATCH) {
-      if (pRsp->reqId != pTask->checkReqId) return -1;
+      if (pRsp->reqId != pTask->checkReqId) {
+        return -1;
+      }
+
       streamTaskLaunchRecover(pTask, version);
     } else {
       ASSERT(0);
@@ -167,6 +173,7 @@ int32_t streamRestoreParam(SStreamTask* pTask) {
   void* exec = pTask->exec.pExecutor;
   return qStreamRestoreParam(exec);
 }
+
 int32_t streamSetStatusNormal(SStreamTask* pTask) {
   atomic_store_8(&pTask->status.taskStatus, TASK_STATUS__NORMAL);
   return 0;
@@ -227,8 +234,8 @@ int32_t streamDispatchRecoverFinishReq(SStreamTask* pTask) {
 
 // agg
 int32_t streamAggRecoverPrepare(SStreamTask* pTask) {
-  void* exec = pTask->exec.pExecutor;
   pTask->recoverWaitingUpstream = taosArrayGetSize(pTask->childEpInfo);
+  qDebug("s-task:%s wait for %d upstreams", pTask->id.idStr, pTask->recoverWaitingUpstream);
   return 0;
 }
 
@@ -247,6 +254,7 @@ int32_t streamAggChildrenRecoverFinish(SStreamTask* pTask) {
 int32_t streamProcessRecoverFinishReq(SStreamTask* pTask, int32_t childId) {
   if (pTask->taskLevel == TASK_LEVEL__AGG) {
     int32_t left = atomic_sub_fetch_32(&pTask->recoverWaitingUpstream, 1);
+    qDebug("s-task:%s remain unfinished child tasks:%d", pTask->id.idStr, left);
     ASSERT(left >= 0);
     if (left == 0) {
       streamAggChildrenRecoverFinish(pTask);
diff --git a/source/libs/stream/src/streamTask.c b/source/libs/stream/src/streamTask.c
index 4783997276..67c60008fd 100644
--- a/source/libs/stream/src/streamTask.c
+++ b/source/libs/stream/src/streamTask.c
@@ -187,11 +187,6 @@ void tFreeStreamTask(SStreamTask* pTask) {
     pTask->exec.pExecutor = NULL;
   }
 
-  if (pTask->exec.pTqReader != NULL && pTask->freeFp != NULL) {
-    pTask->freeFp(pTask->exec.pTqReader);
-    pTask->exec.pTqReader = NULL;
-  }
-
   if (pTask->exec.pWalReader != NULL) {
     walCloseReader(pTask->exec.pWalReader);
   }