diff --git a/include/libs/stream/tstream.h b/include/libs/stream/tstream.h
index 236878882494264b6ba894b7a82759c639109bbb..9f7d366a4602c25a5f6d9e876ae68dceeba048ec 100644
--- a/include/libs/stream/tstream.h
+++ b/include/libs/stream/tstream.h
@@ -13,8 +13,8 @@
  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
-#include "executor.h"
 #include "os.h"
+#include "executor.h"
 #include "query.h"
 #include "streamState.h"
 #include "tdatablock.h"
@@ -104,21 +104,8 @@ typedef struct {
   int8_t type;
 } SStreamQueueItem;
 
-#if 0
-typedef struct {
-  int8_t      type;
-  int64_t     ver;
-  int32_t*    dataRef;
-  SSubmitReq* data;
-} SStreamDataSubmit;
-
-typedef struct {
-  int8_t  type;
-  int64_t ver;
-  SArray* dataRefs;  // SArray<int32_t*>
-  SArray* reqs;      // SArray<SSubmitReq*>
-} SStreamMergedSubmit;
-#endif
+typedef void    FTbSink(SStreamTask* pTask, void* vnode, int64_t ver, void* data);
+typedef int32_t FTaskExpand(void* ahandle, SStreamTask* pTask, int64_t ver);
 
 typedef struct {
   int8_t      type;
@@ -220,7 +207,6 @@ static FORCE_INLINE void streamQueueProcessFail(SStreamQueue* queue) {
 }
 
 static FORCE_INLINE void* streamQueueCurItem(SStreamQueue* queue) {
-  //
   return queue->qItem;
 }
 
@@ -249,16 +235,13 @@ typedef struct {
   SUseDbRsp dbInfo;
 } STaskDispatcherShuffle;
 
-typedef void FTbSink(SStreamTask* pTask, void* vnode, int64_t ver, void* data);
-
 typedef struct {
   int64_t         stbUid;
   char            stbFullName[TSDB_TABLE_FNAME_LEN];
   SSchemaWrapper* pSchemaWrapper;
-  // not applicable to encoder and decoder
-  void*     vnode;
-  FTbSink*  tbSinkFunc;
-  STSchema* pTSchema;
+  void*           vnode;  // not available to encoder and decoder
+  FTbSink*        tbSinkFunc;
+  STSchema*       pTSchema;
 } STaskSinkTb;
 
 typedef void FSmaSink(void* vnode, int64_t smaId, const SArray* data);
@@ -292,14 +275,18 @@ typedef struct SCheckpointInfo {
   int64_t version;   // offset in WAL
 } SCheckpointInfo;
 
+typedef struct SStreamStatus {
+  int8_t taskStatus;
+  int8_t schedStatus;
+} SStreamStatus;
+
 struct SStreamTask {
   SStreamId       id;
   int32_t         totalLevel;
   int8_t          taskLevel;
   int8_t          outputType;
   int16_t         dispatchMsgType;
-  int8_t          taskStatus;
-  int8_t          schedStatus;
+  SStreamStatus   status;
   int32_t         selfChildId;
   int32_t         nodeId;
   SEpSet          epSet;
@@ -329,15 +316,11 @@ struct SStreamTask {
   SStreamQueue* outputQueue;
 
   // trigger
-  int8_t  triggerStatus;
-  int64_t triggerParam;
-  void*   timer;
-
-  // msg handle
-  SMsgCb* pMsgCb;
-
-  // state backend
-  SStreamState* pState;
+  int8_t        triggerStatus;
+  int64_t       triggerParam;
+  void*         timer;
+  SMsgCb*       pMsgCb;  // msg handle
+  SStreamState* pState;  // state backend
 
   // the followings attributes don't be serialized
   int32_t             recoverTryingDownstream;
@@ -350,6 +333,21 @@ struct SStreamTask {
   struct SStreamMeta* pMeta;
 };
 
+// meta
+typedef struct SStreamMeta {
+    char*        path;
+    TDB*         db;
+    TTB*         pTaskDb;
+    TTB*         pCheckpointDb;
+    SHashObj*    pTasks;
+    SHashObj*    pRestoreTasks;
+    void*        ahandle;
+    TXN*         txn;
+    FTaskExpand* expandFunc;
+    int32_t      vgId;
+    SRWLatch     lock;
+} SStreamMeta;
+
 int32_t tEncodeStreamEpInfo(SEncoder* pEncoder, const SStreamChildEpInfo* pInfo);
 int32_t tDecodeStreamEpInfo(SDecoder* pDecoder, SStreamChildEpInfo* pInfo);
 
@@ -566,42 +564,22 @@ int32_t streamAggRecoverPrepare(SStreamTask* pTask);
 // int32_t streamAggChildrenRecoverFinish(SStreamTask* pTask);
 int32_t streamProcessRecoverFinishReq(SStreamTask* pTask, int32_t childId);
 
-// expand and deploy
-typedef int32_t FTaskExpand(void* ahandle, SStreamTask* pTask, int64_t ver);
-
-// meta
-typedef struct SStreamMeta {
-  char*        path;
-  TDB*         db;
-  TTB*         pTaskDb;
-  TTB*         pCheckpointDb;
-  SHashObj*    pTasks;
-  SHashObj*    pRestoreTasks;
-  void*        ahandle;
-  TXN*         txn;
-  FTaskExpand* expandFunc;
-  int32_t      vgId;
-  SRWLatch     lock;
-} SStreamMeta;
-
 SStreamMeta* streamMetaOpen(const char* path, void* ahandle, FTaskExpand expandFunc, int32_t vgId);
 void         streamMetaClose(SStreamMeta* streamMeta);
 
 int32_t      streamMetaSaveTask(SStreamMeta* pMeta, SStreamTask* pTask);
 int32_t      streamMetaAddTask(SStreamMeta* pMeta, int64_t ver, SStreamTask* pTask);
 int32_t      streamMetaAddSerializedTask(SStreamMeta* pMeta, int64_t checkpointVer, char* msg, int32_t msgLen);
-// SStreamTask* streamMetaGetTask(SStreamMeta* pMeta, int32_t taskId);
 
+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);
 
-SStreamTask* streamMetaAcquireTaskEx(SStreamMeta* pMeta, int32_t taskId);
-
-int32_t streamMetaBegin(SStreamMeta* pMeta);
-int32_t streamMetaCommit(SStreamMeta* pMeta);
-int32_t streamMetaRollBack(SStreamMeta* pMeta);
-int32_t streamLoadTasks(SStreamMeta* pMeta, int64_t ver);
+int32_t      streamMetaBegin(SStreamMeta* pMeta);
+int32_t      streamMetaCommit(SStreamMeta* pMeta);
+int32_t      streamMetaRollBack(SStreamMeta* pMeta);
+int32_t      streamLoadTasks(SStreamMeta* pMeta, int64_t ver);
 
 // checkpoint
 int32_t streamProcessCheckpointSourceReq(SStreamMeta* pMeta, SStreamTask* pTask, SStreamCheckpointSourceReq* pReq);
diff --git a/source/dnode/snode/src/snode.c b/source/dnode/snode/src/snode.c
index f8e4268aada287e5abe55326b686ad543ba076d8..7ccbb3b586d8734c6809631d3695efb46a03e518 100644
--- a/source/dnode/snode/src/snode.c
+++ b/source/dnode/snode/src/snode.c
@@ -65,7 +65,7 @@ int32_t sndExpandTask(SSnode *pSnode, SStreamTask *pTask, int64_t ver) {
   ASSERT(taosArrayGetSize(pTask->childEpInfo) != 0);
 
   pTask->refCnt = 1;
-  pTask->schedStatus = TASK_SCHED_STATUS__INACTIVE;
+  pTask->status.schedStatus = TASK_SCHED_STATUS__INACTIVE;
   pTask->inputQueue = streamQueueOpen();
   pTask->outputQueue = streamQueueOpen();
 
diff --git a/source/dnode/vnode/src/tq/tq.c b/source/dnode/vnode/src/tq/tq.c
index 48c9a4f445e4bd56a72ae70c82cbcd4bef8e2ec0..b029afc93554e7b08c1590119130585fbea2eb57 100644
--- a/source/dnode/vnode/src/tq/tq.c
+++ b/source/dnode/vnode/src/tq/tq.c
@@ -551,7 +551,7 @@ int32_t tqExpandTask(STQ* pTq, SStreamTask* pTask, int64_t ver) {
   int32_t vgId = TD_VID(pTq->pVnode);
   pTask->id.idStr = taosStrdup(buf);
   pTask->refCnt = 1;
-  pTask->schedStatus = TASK_SCHED_STATUS__INACTIVE;
+  pTask->status.schedStatus = TASK_SCHED_STATUS__INACTIVE;
   pTask->inputQueue = streamQueueOpen();
   pTask->outputQueue = streamQueueOpen();
 
@@ -566,9 +566,9 @@ int32_t tqExpandTask(STQ* pTq, SStreamTask* pTask, int64_t ver) {
 
   // expand executor
   if (pTask->fillHistory) {
-    pTask->taskStatus = TASK_STATUS__WAIT_DOWNSTREAM;
+    pTask->status.taskStatus = TASK_STATUS__WAIT_DOWNSTREAM;
   } else {
-    pTask->taskStatus = TASK_STATUS__RESTORE;
+    pTask->status.taskStatus = TASK_STATUS__RESTORE;
   }
 
   if (pTask->taskLevel == TASK_LEVEL__SOURCE) {
@@ -661,7 +661,7 @@ int32_t tqProcessStreamTaskCheckReq(STQ* pTq, SRpcMsg* pMsg) {
   };
 
   SStreamTask* pTask = streamMetaAcquireTask(pTq->pStreamMeta, taskId);
-  if (pTask && atomic_load_8(&pTask->taskStatus) == TASK_STATUS__NORMAL) {
+  if (pTask && atomic_load_8(&pTask->status.taskStatus) == TASK_STATUS__NORMAL) {
     rsp.status = 1;
   } else {
     rsp.status = 0;
@@ -788,7 +788,7 @@ int32_t tqProcessTaskRecover1Req(STQ* pTq, SRpcMsg* pMsg) {
   // do recovery step 1
   streamSourceRecoverScanStep1(pTask);
 
-  if (atomic_load_8(&pTask->taskStatus) == TASK_STATUS__DROPPING) {
+  if (atomic_load_8(&pTask->status.taskStatus) == TASK_STATUS__DROPPING) {
     streamMetaReleaseTask(pTq->pStreamMeta, pTask);
     return 0;
   }
@@ -803,7 +803,7 @@ int32_t tqProcessTaskRecover1Req(STQ* pTq, SRpcMsg* pMsg) {
 
   streamMetaReleaseTask(pTq->pStreamMeta, pTask);
 
-  if (atomic_load_8(&pTask->taskStatus) == TASK_STATUS__DROPPING) {
+  if (atomic_load_8(&pTask->status.taskStatus) == TASK_STATUS__DROPPING) {
     return 0;
   }
 
@@ -845,7 +845,7 @@ int32_t tqProcessTaskRecover2Req(STQ* pTq, int64_t sversion, char* msg, int32_t
     return -1;
   }
 
-  if (atomic_load_8(&pTask->taskStatus) == TASK_STATUS__DROPPING) {
+  if (atomic_load_8(&pTask->status.taskStatus) == TASK_STATUS__DROPPING) {
     streamMetaReleaseTask(pTq->pStreamMeta, pTask);
     return 0;
   }
@@ -1061,9 +1061,9 @@ int32_t tqProcessSubmitReq(STQ* pTq, SPackedData submit) {
       continue;
     }
 
-    if (pTask->taskStatus == TASK_STATUS__RECOVER_PREPARE || pTask->taskStatus == TASK_STATUS__WAIT_DOWNSTREAM) {
+    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->taskStatus);
+              pTask->status.taskStatus);
       continue;
     }
 
@@ -1137,10 +1137,10 @@ int32_t tqProcessTaskRunReq(STQ* pTq, SRpcMsg* pMsg) {
   } else {
     SStreamTask* pTask = streamMetaAcquireTaskEx(pTq->pStreamMeta, taskId);
     if (pTask != NULL) {
-      if (pTask->taskStatus == TASK_STATUS__NORMAL) {
+      if (pTask->status.taskStatus == TASK_STATUS__NORMAL) {
         tqDebug("vgId:%d s-task:%s start to process run req", vgId, pTask->id.idStr);
         streamProcessRunReq(pTask);
-      } else if (pTask->taskStatus == TASK_STATUS__RESTORE) {
+      } else if (pTask->status.taskStatus == TASK_STATUS__RESTORE) {
         tqDebug("vgId:%d s-task:%s start to process in restore procedure from last chk point:%" PRId64, vgId,
                 pTask->id.idStr, pTask->chkInfo.version);
         streamProcessRunReq(pTask);
diff --git a/source/dnode/vnode/src/tq/tqRestore.c b/source/dnode/vnode/src/tq/tqRestore.c
index a123bdb1dc88244f027c8f216fdce71394a8e568..877c686d357b5675e9c3167419e83b9f73771cbe 100644
--- a/source/dnode/vnode/src/tq/tqRestore.c
+++ b/source/dnode/vnode/src/tq/tqRestore.c
@@ -56,7 +56,7 @@ int32_t transferToNormalTask(SStreamMeta* pStreamMeta, SArray* pTaskList) {
     taosHashRemove(pStreamMeta->pRestoreTasks, &pTask->id.taskId, sizeof(pTask->id.taskId));
 
     // NOTE: do not change the following order
-    atomic_store_8(&pTask->taskStatus, TASK_STATUS__NORMAL);
+    atomic_store_8(&pTask->status.taskStatus, TASK_STATUS__NORMAL);
     taosHashPut(pStreamMeta->pTasks, &pTask->id.taskId, sizeof(pTask->id.taskId), &pTask, POINTER_BYTES);
   }
 
@@ -78,8 +78,8 @@ int32_t restoreStreamTaskImpl(SStreamMeta* pStreamMeta, STqOffsetStore* pOffsetS
       continue;
     }
 
-    if (pTask->taskStatus == TASK_STATUS__RECOVER_PREPARE || pTask->taskStatus == TASK_STATUS__WAIT_DOWNSTREAM) {
-      tqDebug("s-task:%s skip push data, not ready for processing, status %d", pTask->id.idStr, pTask->taskStatus);
+    if (pTask->status.taskStatus == TASK_STATUS__RECOVER_PREPARE || pTask->status.taskStatus == TASK_STATUS__WAIT_DOWNSTREAM) {
+      tqDebug("s-task:%s skip push data, not ready for processing, status %d", pTask->id.idStr, pTask->status.taskStatus);
       continue;
     }
 
diff --git a/source/dnode/vnode/src/tq/tqUtil.c b/source/dnode/vnode/src/tq/tqUtil.c
index 8b86cb6716cf397f28b158ed100e3d76cc4296a7..2e8c6a53bb7858df62e2a26ab07285e3a8aa0210 100644
--- a/source/dnode/vnode/src/tq/tqUtil.c
+++ b/source/dnode/vnode/src/tq/tqUtil.c
@@ -89,9 +89,9 @@ void initOffsetForAllRestoreTasks(STQ* pTq) {
       continue;
     }
 
-    if (pTask->taskStatus == TASK_STATUS__RECOVER_PREPARE || pTask->taskStatus == TASK_STATUS__WAIT_DOWNSTREAM) {
+    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->taskStatus);
+              pTask->status.taskStatus);
       continue;
     }
 
@@ -120,9 +120,9 @@ void saveOffsetForAllTasks(STQ* pTq, int64_t ver) {
       continue;
     }
 
-    if (pTask->taskStatus == TASK_STATUS__RECOVER_PREPARE || pTask->taskStatus == TASK_STATUS__WAIT_DOWNSTREAM) {
+    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->taskStatus);
+              pTask->status.taskStatus);
       continue;
     }
 
diff --git a/source/libs/stream/src/stream.c b/source/libs/stream/src/stream.c
index 59ac8a61d6856cc95e0d332679002fef4ce9de46..71d4e5efd8c6f8abaf3c116c8e924e02243958eb 100644
--- a/source/libs/stream/src/stream.c
+++ b/source/libs/stream/src/stream.c
@@ -52,7 +52,7 @@ void streamCleanUp() {
 void streamSchedByTimer(void* param, void* tmrId) {
   SStreamTask* pTask = (void*)param;
 
-  if (atomic_load_8(&pTask->taskStatus) == TASK_STATUS__DROPPING) {
+  if (atomic_load_8(&pTask->status.taskStatus) == TASK_STATUS__DROPPING) {
     streamMetaReleaseTask(NULL, pTask);
     return;
   }
@@ -66,8 +66,8 @@ void streamSchedByTimer(void* param, void* tmrId) {
       taosFreeQitem(trigger);
       return;
     }
-    trigger->pBlock->info.type = STREAM_GET_ALL;
 
+    trigger->pBlock->info.type = STREAM_GET_ALL;
     atomic_store_8(&pTask->triggerStatus, TASK_TRIGGER_STATUS__INACTIVE);
 
     if (tAppendDataForStream(pTask, (SStreamQueueItem*)trigger) < 0) {
@@ -75,6 +75,7 @@ void streamSchedByTimer(void* param, void* tmrId) {
       taosTmrReset(streamSchedByTimer, (int32_t)pTask->triggerParam, pTask, streamEnv.timer, &pTask->timer);
       return;
     }
+
     streamSchedExec(pTask);
   }
 
@@ -93,13 +94,13 @@ int32_t streamSetupTrigger(SStreamTask* pTask) {
 
 int32_t streamSchedExec(SStreamTask* pTask) {
   int8_t schedStatus =
-      atomic_val_compare_exchange_8(&pTask->schedStatus, TASK_SCHED_STATUS__INACTIVE, TASK_SCHED_STATUS__WAITING);
+      atomic_val_compare_exchange_8(&pTask->status.schedStatus, TASK_SCHED_STATUS__INACTIVE, TASK_SCHED_STATUS__WAITING);
 
   if (schedStatus == TASK_SCHED_STATUS__INACTIVE) {
     SStreamTaskRunReq* pRunReq = rpcMallocCont(sizeof(SStreamTaskRunReq));
     if (pRunReq == NULL) {
       terrno = TSDB_CODE_OUT_OF_MEMORY;
-      atomic_store_8(&pTask->schedStatus, TASK_SCHED_STATUS__INACTIVE);
+      atomic_store_8(&pTask->status.schedStatus, TASK_SCHED_STATUS__INACTIVE);
       return -1;
     }
 
diff --git a/source/libs/stream/src/streamExec.c b/source/libs/stream/src/streamExec.c
index 075e477eb350b96506aa1411c4ca8593e4a332aa..db9be593c065c695d423e75953625b6b14964ad1 100644
--- a/source/libs/stream/src/streamExec.c
+++ b/source/libs/stream/src/streamExec.c
@@ -22,10 +22,10 @@ static int32_t streamTaskExecImpl(SStreamTask* pTask, const void* data, SArray*
   void*   pExecutor = pTask->exec.pExecutor;
 
   while (pTask->taskLevel == TASK_LEVEL__SOURCE) {
-    int8_t status = atomic_load_8(&pTask->taskStatus);
+    int8_t status = atomic_load_8(&pTask->status.taskStatus);
     if (status != TASK_STATUS__NORMAL && status != TASK_STATUS__RESTORE) {
       qError("stream task wait for the end of fill history, s-task:%s, status:%d", pTask->id.idStr,
-             atomic_load_8(&pTask->taskStatus));
+             atomic_load_8(&pTask->status.taskStatus));
       taosMsleep(2);
     } else {
       break;
@@ -66,7 +66,7 @@ static int32_t streamTaskExecImpl(SStreamTask* pTask, const void* data, SArray*
 
   // pExecutor
   while (1) {
-    if (pTask->taskStatus == TASK_STATUS__DROPPING) {
+    if (pTask->status.taskStatus == TASK_STATUS__DROPPING) {
       return 0;
     }
 
@@ -134,7 +134,7 @@ int32_t streamScanExec(SStreamTask* pTask, int32_t batchSz) {
 
     int32_t batchCnt = 0;
     while (1) {
-      if (atomic_load_8(&pTask->taskStatus) == TASK_STATUS__DROPPING) {
+      if (atomic_load_8(&pTask->status.taskStatus) == TASK_STATUS__DROPPING) {
         taosArrayDestroy(pRes);
         return 0;
       }
@@ -267,7 +267,7 @@ int32_t streamExecForAll(SStreamTask* pTask) {
       }
     }
 
-    if (pTask->taskStatus == TASK_STATUS__DROPPING) {
+    if (pTask->status.taskStatus == TASK_STATUS__DROPPING) {
       if (pInput) {
         streamFreeQitem(pInput);
       }
@@ -343,17 +343,17 @@ int32_t streamExecForAll(SStreamTask* pTask) {
 int32_t streamTryExec(SStreamTask* pTask) {
   // this function may be executed by multi-threads, so status check is required.
   int8_t schedStatus =
-      atomic_val_compare_exchange_8(&pTask->schedStatus, TASK_SCHED_STATUS__WAITING, TASK_SCHED_STATUS__ACTIVE);
+      atomic_val_compare_exchange_8(&pTask->status.schedStatus, TASK_SCHED_STATUS__WAITING, TASK_SCHED_STATUS__ACTIVE);
 
   if (schedStatus == TASK_SCHED_STATUS__WAITING) {
     int32_t code = streamExecForAll(pTask);
     if (code < 0) {
-      atomic_store_8(&pTask->schedStatus, TASK_SCHED_STATUS__FAILED);
+      atomic_store_8(&pTask->status.schedStatus, TASK_SCHED_STATUS__FAILED);
       return -1;
     }
 
     // todo the task should be commit here
-    atomic_store_8(&pTask->schedStatus, TASK_SCHED_STATUS__INACTIVE);
+    atomic_store_8(&pTask->status.schedStatus, TASK_SCHED_STATUS__INACTIVE);
 
     if (!taosQueueEmpty(pTask->inputQueue->queue)) {
       streamSchedExec(pTask);
diff --git a/source/libs/stream/src/streamMeta.c b/source/libs/stream/src/streamMeta.c
index ae65753bedd2191b7df95a002e2eb5b007c8ca97..2e9bb4d762674eb006a64547406a74ca1c210560 100644
--- a/source/libs/stream/src/streamMeta.c
+++ b/source/libs/stream/src/streamMeta.c
@@ -179,23 +179,11 @@ int32_t streamMetaAddTask(SStreamMeta* pMeta, int64_t ver, SStreamTask* pTask) {
 }
 #endif
 
-#if 0
-SStreamTask* streamMetaGetTask(SStreamMeta* pMeta, int32_t taskId) {
-  SStreamTask** ppTask = (SStreamTask**)taosHashGet(pMeta->pTasks, &taskId, sizeof(int32_t));
-  if (ppTask) {
-    ASSERT((*ppTask)->taskId == taskId);
-    return *ppTask;
-  } else {
-    return NULL;
-  }
-}
-#endif
-
 SStreamTask* streamMetaAcquireTask(SStreamMeta* pMeta, int32_t taskId) {
   taosRLockLatch(&pMeta->lock);
 
   SStreamTask** ppTask = (SStreamTask**)taosHashGet(pMeta->pTasks, &taskId, sizeof(int32_t));
-  if (ppTask != NULL && (atomic_load_8(&((*ppTask)->taskStatus)) != TASK_STATUS__DROPPING)) {
+  if (ppTask != NULL && (atomic_load_8(&((*ppTask)->status.taskStatus)) != TASK_STATUS__DROPPING)) {
     atomic_add_fetch_32(&(*ppTask)->refCnt, 1);
     taosRUnLockLatch(&pMeta->lock);
     return *ppTask;
@@ -209,7 +197,7 @@ void streamMetaReleaseTask(SStreamMeta* pMeta, SStreamTask* pTask) {
   int32_t left = atomic_sub_fetch_32(&pTask->refCnt, 1);
   ASSERT(left >= 0);
   if (left == 0) {
-    ASSERT(atomic_load_8(&pTask->taskStatus) == TASK_STATUS__DROPPING);
+    ASSERT(atomic_load_8(&pTask->status.taskStatus) == TASK_STATUS__DROPPING);
     tFreeStreamTask(pTask);
   }
 }
@@ -223,7 +211,7 @@ SStreamTask* streamMetaAcquireTaskEx(SStreamMeta* pMeta, int32_t taskId) {
     SStreamTask** p = (SStreamTask**)taosHashGet(pMeta->pRestoreTasks, &taskId, sizeof(int32_t));
     if (p != NULL) {
       pTask = *p;
-      if (pTask != NULL && (atomic_load_8(&(pTask->taskStatus)) != TASK_STATUS__DROPPING)) {
+      if (pTask != NULL && (atomic_load_8(&(pTask->status.taskStatus)) != TASK_STATUS__DROPPING)) {
         atomic_add_fetch_32(&pTask->refCnt, 1);
         taosRUnLockLatch(&pMeta->lock);
         return pTask;
@@ -233,7 +221,7 @@ SStreamTask* streamMetaAcquireTaskEx(SStreamMeta* pMeta, int32_t taskId) {
     SStreamTask** p = (SStreamTask**)taosHashGet(pMeta->pTasks, &taskId, sizeof(int32_t));
     if (p != NULL) {
       pTask = *p;
-      if (pTask != NULL && atomic_load_8(&(pTask->taskStatus)) != TASK_STATUS__DROPPING) {
+      if (pTask != NULL && atomic_load_8(&(pTask->status.taskStatus)) != TASK_STATUS__DROPPING) {
         atomic_add_fetch_32(&pTask->refCnt, 1);
         taosRUnLockLatch(&pMeta->lock);
         return pTask;
@@ -255,7 +243,7 @@ void streamMetaRemoveTask(SStreamMeta* pMeta, int32_t taskId) {
      * taosTmrStop(pTask->timer);*/
     /*pTask->timer = NULL;*/
     /*}*/
-    atomic_store_8(&pTask->taskStatus, TASK_STATUS__DROPPING);
+    atomic_store_8(&pTask->status.taskStatus, TASK_STATUS__DROPPING);
 
     taosWLockLatch(&pMeta->lock);
     streamMetaReleaseTask(pMeta, pTask);
@@ -338,9 +326,9 @@ int32_t streamLoadTasks(SStreamMeta* pMeta, int64_t ver) {
       return -1;
     }
 
-    /*pTask->taskStatus = TASK_STATUS__NORMAL;*/
+    /*pTask->status.taskStatus = TASK_STATUS__NORMAL;*/
     if (pTask->fillHistory) {
-      pTask->taskStatus = TASK_STATUS__WAIT_DOWNSTREAM;
+      pTask->status.taskStatus = TASK_STATUS__WAIT_DOWNSTREAM;
       streamTaskCheckDownstream(pTask, ver);
     }
   }
diff --git a/source/libs/stream/src/streamRecover.c b/source/libs/stream/src/streamRecover.c
index 3e7a02b8d5a62d2412c5b6f5c10d336f54fe1b32..9962cdfcc0a1a4d5399b93d358038cd5c1f149df 100644
--- a/source/libs/stream/src/streamRecover.c
+++ b/source/libs/stream/src/streamRecover.c
@@ -18,7 +18,7 @@
 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->taskStatus, TASK_STATUS__RECOVER_PREPARE);
+    atomic_store_8(&pTask->status.taskStatus, TASK_STATUS__RECOVER_PREPARE);
     streamSetParamForRecover(pTask);
     streamSourceRecoverPrepareStep1(pTask, version);
 
@@ -44,11 +44,11 @@ int32_t streamTaskLaunchRecover(SStreamTask* pTask, int64_t version) {
     }
 
   } else if (pTask->taskLevel == TASK_LEVEL__AGG) {
-    atomic_store_8(&pTask->taskStatus, TASK_STATUS__NORMAL);
+    atomic_store_8(&pTask->status.taskStatus, TASK_STATUS__NORMAL);
     streamSetParamForRecover(pTask);
     streamAggRecoverPrepare(pTask);
   } else if (pTask->taskLevel == TASK_LEVEL__SINK) {
-    atomic_store_8(&pTask->taskStatus, TASK_STATUS__NORMAL);
+    atomic_store_8(&pTask->status.taskStatus, TASK_STATUS__NORMAL);
   }
   return 0;
 }
@@ -122,7 +122,7 @@ int32_t streamRecheckOneDownstream(SStreamTask* pTask, const SStreamTaskCheckRsp
 }
 
 int32_t streamProcessTaskCheckReq(SStreamTask* pTask, const SStreamTaskCheckReq* pReq) {
-  return atomic_load_8(&pTask->taskStatus) == TASK_STATUS__NORMAL;
+  return atomic_load_8(&pTask->status.taskStatus) == TASK_STATUS__NORMAL;
 }
 
 int32_t streamProcessTaskCheckRsp(SStreamTask* pTask, const SStreamTaskCheckRsp* pRsp, int64_t version) {
@@ -168,7 +168,7 @@ int32_t streamRestoreParam(SStreamTask* pTask) {
   return qStreamRestoreParam(exec);
 }
 int32_t streamSetStatusNormal(SStreamTask* pTask) {
-  atomic_store_8(&pTask->taskStatus, TASK_STATUS__NORMAL);
+  atomic_store_8(&pTask->status.taskStatus, TASK_STATUS__NORMAL);
   return 0;
 }
 
diff --git a/source/libs/stream/src/streamTask.c b/source/libs/stream/src/streamTask.c
index f45b6ad7b72f66de9850d0998b850a975a53f44a..834c022a9ae5e817eb3c380a55d4682d51b09d59 100644
--- a/source/libs/stream/src/streamTask.c
+++ b/source/libs/stream/src/streamTask.c
@@ -29,7 +29,7 @@ SStreamTask* tNewStreamTask(int64_t streamId) {
   sprintf(buf, "0x%"PRIx64"-%d", pTask->id.streamId, pTask->id.taskId);
 
   pTask->id.idStr = taosStrdup(buf);
-  pTask->schedStatus = TASK_SCHED_STATUS__INACTIVE;
+  pTask->status.schedStatus = TASK_SCHED_STATUS__INACTIVE;
   pTask->inputStatus = TASK_INPUT_STATUS__NORMAL;
   pTask->outputStatus = TASK_OUTPUT_STATUS__NORMAL;
 
@@ -63,8 +63,8 @@ int32_t tEncodeStreamTask(SEncoder* pEncoder, const SStreamTask* pTask) {
   if (tEncodeI8(pEncoder, pTask->outputType) < 0) return -1;
   if (tEncodeI16(pEncoder, pTask->dispatchMsgType) < 0) return -1;
 
-  if (tEncodeI8(pEncoder, pTask->taskStatus) < 0) return -1;
-  if (tEncodeI8(pEncoder, pTask->schedStatus) < 0) return -1;
+  if (tEncodeI8(pEncoder, pTask->status.taskStatus) < 0) return -1;
+  if (tEncodeI8(pEncoder, pTask->status.schedStatus) < 0) return -1;
 
   if (tEncodeI32(pEncoder, pTask->selfChildId) < 0) return -1;
   if (tEncodeI32(pEncoder, pTask->nodeId) < 0) return -1;
@@ -116,8 +116,8 @@ int32_t tDecodeStreamTask(SDecoder* pDecoder, SStreamTask* pTask) {
   if (tDecodeI8(pDecoder, &pTask->outputType) < 0) return -1;
   if (tDecodeI16(pDecoder, &pTask->dispatchMsgType) < 0) return -1;
 
-  if (tDecodeI8(pDecoder, &pTask->taskStatus) < 0) return -1;
-  if (tDecodeI8(pDecoder, &pTask->schedStatus) < 0) return -1;
+  if (tDecodeI8(pDecoder, &pTask->status.taskStatus) < 0) return -1;
+  if (tDecodeI8(pDecoder, &pTask->status.schedStatus) < 0) return -1;
 
   if (tDecodeI32(pDecoder, &pTask->selfChildId) < 0) return -1;
   if (tDecodeI32(pDecoder, &pTask->nodeId) < 0) return -1;