diff --git a/source/common/src/tglobal.c b/source/common/src/tglobal.c
index 41e3917937895ebcb867d96385f32636b86f76a7..efadcad350f0c869870bb0429b0e531a2d13f0da 100644
--- a/source/common/src/tglobal.c
+++ b/source/common/src/tglobal.c
@@ -18,8 +18,8 @@
 #include "tcompare.h"
 #include "tconfig.h"
 #include "tdatablock.h"
-#include "tlog.h"
 #include "tgrant.h"
+#include "tlog.h"
 
 GRANT_CFG_DECLARE;
 
@@ -389,7 +389,7 @@ static int32_t taosAddServerCfg(SConfig *pCfg) {
   tsNumOfVnodeQueryThreads = TMAX(tsNumOfVnodeQueryThreads, 4);
   if (cfgAddInt32(pCfg, "numOfVnodeQueryThreads", tsNumOfVnodeQueryThreads, 4, 1024, 0) != 0) return -1;
 
-  tsNumOfVnodeStreamThreads = tsNumOfCores / 4;
+  tsNumOfVnodeStreamThreads = tsNumOfCores;
   tsNumOfVnodeStreamThreads = TMAX(tsNumOfVnodeStreamThreads, 4);
   if (cfgAddInt32(pCfg, "numOfVnodeStreamThreads", tsNumOfVnodeStreamThreads, 4, 1024, 0) != 0) return -1;
 
@@ -598,7 +598,7 @@ static int32_t taosSetServerCfg(SConfig *pCfg) {
   return 0;
 }
 
-void taosLocalCfgForbiddenToChange(char* name, bool* forbidden) {
+void taosLocalCfgForbiddenToChange(char *name, bool *forbidden) {
   int32_t len = strlen(name);
   char    lowcaseName[CFG_NAME_MAX_LEN + 1] = {0};
   strntolower(lowcaseName, name, TMIN(CFG_NAME_MAX_LEN, len));
@@ -612,7 +612,6 @@ void taosLocalCfgForbiddenToChange(char* name, bool* forbidden) {
   *forbidden = false;
 }
 
-
 int32_t taosSetCfg(SConfig *pCfg, char *name) {
   int32_t len = strlen(name);
   char    lowcaseName[CFG_NAME_MAX_LEN + 1] = {0};
@@ -1114,12 +1113,12 @@ void taosCfgDynamicOptions(const char *option, const char *value) {
   const char *options[] = {
       "dDebugFlag",   "vDebugFlag",  "mDebugFlag",   "wDebugFlag",   "sDebugFlag",   "tsdbDebugFlag",
       "tqDebugFlag",  "fsDebugFlag", "udfDebugFlag", "smaDebugFlag", "idxDebugFlag", "tdbDebugFlag",
-      "tmrDebugFlag", "uDebugFlag",  "smaDebugFlag", "rpcDebugFlag", "qDebugFlag", "metaDebugFlag",
+      "tmrDebugFlag", "uDebugFlag",  "smaDebugFlag", "rpcDebugFlag", "qDebugFlag",   "metaDebugFlag",
   };
   int32_t *optionVars[] = {
       &dDebugFlag,   &vDebugFlag,  &mDebugFlag,   &wDebugFlag,   &sDebugFlag,   &tsdbDebugFlag,
       &tqDebugFlag,  &fsDebugFlag, &udfDebugFlag, &smaDebugFlag, &idxDebugFlag, &tdbDebugFlag,
-      &tmrDebugFlag, &uDebugFlag,  &smaDebugFlag, &rpcDebugFlag, &qDebugFlag, &metaDebugFlag,
+      &tmrDebugFlag, &uDebugFlag,  &smaDebugFlag, &rpcDebugFlag, &qDebugFlag,   &metaDebugFlag,
   };
 
   int32_t optionSize = tListLen(options);
diff --git a/source/dnode/mgmt/mgmt_vnode/src/vmWorker.c b/source/dnode/mgmt/mgmt_vnode/src/vmWorker.c
index 617695dbaae3d6d45efb07dc9c6bb395b3c95e4a..e4d6de849cd2e64b24645b00ee9a8d030421864a 100644
--- a/source/dnode/mgmt/mgmt_vnode/src/vmWorker.c
+++ b/source/dnode/mgmt/mgmt_vnode/src/vmWorker.c
@@ -146,8 +146,8 @@ static int32_t vmPutMsgToQueue(SVnodeMgmt *pMgmt, SRpcMsg *pMsg, EQueueType qtyp
 
   SVnodeObj *pVnode = vmAcquireVnode(pMgmt, pHead->vgId);
   if (pVnode == NULL) {
-    dGError("vgId:%d, msg:%p failed to put into vnode queue since %s, type:%s qtype:%d", pHead->vgId, pMsg,
-            terrstr(), TMSG_INFO(pMsg->msgType), qtype);
+    dGError("vgId:%d, msg:%p failed to put into vnode queue since %s, type:%s qtype:%d", pHead->vgId, pMsg, terrstr(),
+            TMSG_INFO(pMsg->msgType), qtype);
     return terrno != 0 ? terrno : -1;
   }
 
diff --git a/source/dnode/vnode/src/vnd/vnodeSvr.c b/source/dnode/vnode/src/vnd/vnodeSvr.c
index ddd28053a8cea4d23dbf301b69aea3dcaf150a68..0738dfa05709f6f9349f079a72ab86f2b1d8f1ec 100644
--- a/source/dnode/vnode/src/vnd/vnodeSvr.c
+++ b/source/dnode/vnode/src/vnd/vnodeSvr.c
@@ -330,6 +330,7 @@ int32_t vnodeProcessFetchMsg(SVnode *pVnode, SRpcMsg *pMsg, SQueueInfo *pInfo) {
     case TDMT_STREAM_TASK_RUN:
       return tqProcessTaskRunReq(pVnode->pTq, pMsg);
     case TDMT_STREAM_TASK_DISPATCH:
+      //      return tqProcessTaskDispatchReq(pVnode->pTq, pMsg, pInfo->workerId != 0);
       return tqProcessTaskDispatchReq(pVnode->pTq, pMsg, true);
     case TDMT_STREAM_TASK_RECOVER:
       return tqProcessTaskRecoverReq(pVnode->pTq, pMsg);
diff --git a/source/libs/stream/src/streamData.c b/source/libs/stream/src/streamData.c
index eb14990c0e47748dd6d00ab1d6c2ab40d00b9b88..0bf6d4c921e5ed988b3bd3f090c9bca58e61d37e 100644
--- a/source/libs/stream/src/streamData.c
+++ b/source/libs/stream/src/streamData.c
@@ -167,12 +167,13 @@ void streamFreeQitem(SStreamQueueItem* data) {
     SStreamMergedSubmit* pMerge = (SStreamMergedSubmit*)data;
     int32_t              sz = taosArrayGetSize(pMerge->reqs);
     for (int32_t i = 0; i < sz; i++) {
-      int32_t* ref = taosArrayGetP(pMerge->dataRefs, i);
-      (*ref)--;
-      if (*ref == 0) {
+      int32_t* pRef = taosArrayGetP(pMerge->dataRefs, i);
+      int32_t  ref = atomic_sub_fetch_32(pRef, 1);
+      ASSERT(ref >= 0);
+      if (ref == 0) {
         void* data = taosArrayGetP(pMerge->reqs, i);
         taosMemoryFree(data);
-        taosMemoryFree(ref);
+        taosMemoryFree(pRef);
       }
     }
     taosArrayDestroy(pMerge->reqs);
diff --git a/source/libs/stream/src/streamExec.c b/source/libs/stream/src/streamExec.c
index c5b8b20a8c87ad13147b4cf6492618f4fd3966c7..3c008f79344117210a653454496da9be187c7b94 100644
--- a/source/libs/stream/src/streamExec.c
+++ b/source/libs/stream/src/streamExec.c
@@ -72,7 +72,7 @@ static int32_t streamTaskExecImpl(SStreamTask* pTask, void* data, SArray* pRes)
       continue;
     }
 
-    qDebug("task %d(child %d) executed and get block");
+    qDebug("task %d(child %d) executed and get block", pTask->taskId, pTask->selfChildId);
 
     SSDataBlock block = {0};
     assignOneDataBlock(&block, output);
@@ -241,6 +241,8 @@ int32_t streamExec(SStreamTask* pTask) {
       pRes = streamExecForQall(pTask, pRes);
       if (pRes == NULL) goto FAIL;
 
+// temporarily disable status closing, since it runs out of threads
+#if 0
       // set status closing
       atomic_store_8(&pTask->execStatus, TASK_EXEC_STATUS__CLOSING);
 
@@ -248,6 +250,7 @@ int32_t streamExec(SStreamTask* pTask) {
       qDebug("stream exec, enter closing status");
       pRes = streamExecForQall(pTask, pRes);
       if (pRes == NULL) goto FAIL;
+#endif
 
       taosArrayDestroyEx(pRes, (FDelete)blockDataFreeRes);
       atomic_store_8(&pTask->execStatus, TASK_EXEC_STATUS__IDLE);