diff --git a/include/libs/stream/tstream.h b/include/libs/stream/tstream.h
index 4b4ef55485891d44b3c99709c955718c9f6398c5..103f8071914b4f9f1ac2914b7335c7217ca70546 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 {
@@ -574,7 +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/vnode/src/tq/tq.c b/source/dnode/vnode/src/tq/tq.c
index 5d4fdbe5d850d671eca949bcf257e740407c6709..1230a352d93c7fcea6342a7430634e56d17d31c3 100644
--- a/source/dnode/vnode/src/tq/tq.c
+++ b/source/dnode/vnode/src/tq/tq.c
@@ -659,17 +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;
@@ -687,13 +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;
 }
@@ -709,8 +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);
 
@@ -764,8 +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;
 }
 
@@ -1117,7 +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);
diff --git a/source/libs/stream/src/streamMeta.c b/source/libs/stream/src/streamMeta.c
index c45c7003755ba7a5e0f9095979ac5a9e444fe065..fecc01f295bacd8a23d0d7331d1a5c362759b4c4 100644
--- a/source/libs/stream/src/streamMeta.c
+++ b/source/libs/stream/src/streamMeta.c
@@ -183,7 +183,6 @@ 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;
 }
@@ -215,22 +214,6 @@ void streamMetaReleaseTask(SStreamMeta* pMeta, SStreamTask* pTask) {
   }
 }
 
-SStreamTask* streamMetaAcquireTaskEx(SStreamMeta* pMeta, int32_t taskId) {
-  SStreamTask* pTask = NULL;
-  taosRLockLatch(&pMeta->lock);
-
-  SStreamTask** p = (SStreamTask**)taosHashGet(pMeta->pTasks, &taskId, sizeof(int32_t));
-  if (p != NULL) {
-    if ((*p) != NULL && atomic_load_8(&((*p)->status.taskStatus)) != TASK_STATUS__DROPPING) {
-      pTask = *p;
-      atomic_add_fetch_32(&pTask->refCnt, 1);
-    }
-  }
-
-  taosRUnLockLatch(&pMeta->lock);
-  return pTask;
-}
-
 void streamMetaRemoveTask(SStreamMeta* pMeta, int32_t taskId) {
   SStreamTask** ppTask = (SStreamTask**)taosHashGet(pMeta->pTasks, &taskId, sizeof(int32_t));
   if (ppTask) {
diff --git a/source/libs/stream/src/streamRecover.c b/source/libs/stream/src/streamRecover.c
index 6c24e6983230f803864175026e6c1b2abcc09aae..03afc0692d8ce98b9e82fe2ec2ee02da80307119 100644
--- a/source/libs/stream/src/streamRecover.c
+++ b/source/libs/stream/src/streamRecover.c
@@ -46,6 +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;
 }
 
@@ -125,6 +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;
@@ -135,7 +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) {
@@ -144,7 +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);
@@ -164,6 +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;
@@ -224,8 +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;
 }
 
@@ -244,6 +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);