diff --git a/docs/en/14-reference/12-config/index.md b/docs/en/14-reference/12-config/index.md
index bb5516ae700ad7cd5b47a87ed56338c27aa1eab0..274c99509836702dc067ca7f3357acc96be4132c 100644
--- a/docs/en/14-reference/12-config/index.md
+++ b/docs/en/14-reference/12-config/index.md
@@ -733,7 +733,7 @@ To prevent system resource from being exhausted by multiple concurrent streams,
 | 42  | numOfCommitThreads | Yes | Yes |
 | 43  | numOfMnodeReadThreads | No | Yes |
 | 44  | numOfVnodeQueryThreads | No | Yes |
-| 45  | numOfVnodeStreamThreads | No | Yes |
+| 45  | ratioOfVnodeStreamThreads | No | Yes |
 | 46  | numOfVnodeFetchThreads | No | Yes |
 | 47  | numOfVnodeRsmaThreads | No | Yes | 
 | 48  | numOfQnodeQueryThreads | No | Yes |
diff --git a/docs/zh/14-reference/12-config/index.md b/docs/zh/14-reference/12-config/index.md
index 145c5eed935568f013d4451cd590c8b745b165c5..959438f48c288769186d22a9013fe10b738fd48f 100644
--- a/docs/zh/14-reference/12-config/index.md
+++ b/docs/zh/14-reference/12-config/index.md
@@ -709,7 +709,7 @@ charset 的有效值是 UTF-8。
 | 42  |   numOfCommitThreads    | 是              | 是              |                                                   |
 | 43  |  numOfMnodeReadThreads  | 否              | 是              |                                                   |
 | 44  | numOfVnodeQueryThreads  | 否              | 是              |                                                   |
-| 45  | numOfVnodeStreamThreads | 否              | 是              |                                                   |
+| 45  | ratioOfVnodeStreamThreads | 否            | 是              |                                                   |
 | 46  | numOfVnodeFetchThreads  | 否              | 是              |                                                   |
 | 47  |  numOfVnodeRsmaThreads  | 否              | 是              |                                                   |
 | 48  | numOfQnodeQueryThreads  | 否              | 是              |                                                   |
diff --git a/include/common/tglobal.h b/include/common/tglobal.h
index 9e8a139b31abe31d2a382fe1c6c30282c5bf2a27..d445fc26e882d840a3a3df87464c43d0225cbb5e 100644
--- a/include/common/tglobal.h
+++ b/include/common/tglobal.h
@@ -55,7 +55,7 @@ extern int32_t tsNumOfMnodeQueryThreads;
 extern int32_t tsNumOfMnodeFetchThreads;
 extern int32_t tsNumOfMnodeReadThreads;
 extern int32_t tsNumOfVnodeQueryThreads;
-extern int32_t tsNumOfVnodeStreamThreads;
+extern float   tsRatioOfVnodeStreamThreads;
 extern int32_t tsNumOfVnodeFetchThreads;
 extern int32_t tsNumOfVnodeRsmaThreads;
 extern int32_t tsNumOfQnodeQueryThreads;
diff --git a/include/util/tworker.h b/include/util/tworker.h
index 8766f87a0870aef3b3a4d08ed84ba55dc96c50f7..0636f16dbbd50b709de18ce556d8a9dcbdcfba8d 100644
--- a/include/util/tworker.h
+++ b/include/util/tworker.h
@@ -17,6 +17,7 @@
 #define _TD_UTIL_WORKER_H_
 
 #include "tqueue.h"
+#include "tarray.h"
 
 #ifdef __cplusplus
 extern "C" {
@@ -26,10 +27,10 @@ typedef struct SQWorkerPool SQWorkerPool;
 typedef struct SWWorkerPool SWWorkerPool;
 
 typedef struct SQWorker {
-  int32_t       id;      // worker id
-  int64_t       pid;     // thread pid
-  TdThread      thread;  // thread id
-  SQWorkerPool *pool;
+  int32_t  id;      // worker id
+  int64_t  pid;     // thread pid
+  TdThread thread;  // thread id
+  void    *pool;
 } SQWorker;
 
 typedef struct SQWorkerPool {
@@ -42,6 +43,14 @@ typedef struct SQWorkerPool {
   TdThreadMutex mutex;
 } SQWorkerPool;
 
+typedef struct SAutoQWorkerPool {
+  float         ratio;
+  STaosQset    *qset;
+  const char   *name;
+  SArray       *workers;
+  TdThreadMutex mutex;
+} SAutoQWorkerPool;
+
 typedef struct SWWorker {
   int32_t       id;      // worker id
   int64_t       pid;     // thread pid
@@ -65,6 +74,11 @@ void        tQWorkerCleanup(SQWorkerPool *pool);
 STaosQueue *tQWorkerAllocQueue(SQWorkerPool *pool, void *ahandle, FItem fp);
 void        tQWorkerFreeQueue(SQWorkerPool *pool, STaosQueue *queue);
 
+int32_t     tAutoQWorkerInit(SAutoQWorkerPool *pool);
+void        tAutoQWorkerCleanup(SAutoQWorkerPool *pool);
+STaosQueue *tAutoQWorkerAllocQueue(SAutoQWorkerPool *pool, void *ahandle, FItem fp);
+void        tAutoQWorkerFreeQueue(SAutoQWorkerPool *pool, STaosQueue *queue);
+
 int32_t     tWWorkerInit(SWWorkerPool *pool);
 void        tWWorkerCleanup(SWWorkerPool *pool);
 STaosQueue *tWWorkerAllocQueue(SWWorkerPool *pool, void *ahandle, FItems fp);
diff --git a/source/common/src/tglobal.c b/source/common/src/tglobal.c
index d3fd625a91d40ea5c544586383d06bcb3fb7b4e8..98b9b566ecc0c0f8d8ea2fdb8866efc5e1c22769 100644
--- a/source/common/src/tglobal.c
+++ b/source/common/src/tglobal.c
@@ -47,7 +47,7 @@ int32_t tsNumOfMnodeQueryThreads = 4;
 int32_t tsNumOfMnodeFetchThreads = 1;
 int32_t tsNumOfMnodeReadThreads = 1;
 int32_t tsNumOfVnodeQueryThreads = 4;
-int32_t tsNumOfVnodeStreamThreads = 2;
+float   tsRatioOfVnodeStreamThreads = 1.0;
 int32_t tsNumOfVnodeFetchThreads = 4;
 int32_t tsNumOfVnodeRsmaThreads = 2;
 int32_t tsNumOfQnodeQueryThreads = 4;
@@ -392,9 +392,7 @@ 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 = TMAX(tsNumOfVnodeStreamThreads, 4);
-  if (cfgAddInt32(pCfg, "numOfVnodeStreamThreads", tsNumOfVnodeStreamThreads, 4, 1024, 0) != 0) return -1;
+  if (cfgAddFloat(pCfg, "ratioOfVnodeStreamThreads", tsRatioOfVnodeStreamThreads, 0.01, 100, 0) != 0) return -1;
 
   tsNumOfVnodeFetchThreads = tsNumOfCores / 4;
   tsNumOfVnodeFetchThreads = TMAX(tsNumOfVnodeFetchThreads, 4);
@@ -513,11 +511,9 @@ static int32_t taosUpdateServerCfg(SConfig *pCfg) {
     pItem->stype = stype;
   }
 
-  pItem = cfgGetItem(tsCfg, "numOfVnodeStreamThreads");
+  pItem = cfgGetItem(tsCfg, "ratioOfVnodeStreamThreads");
   if (pItem != NULL && pItem->stype == CFG_STYPE_DEFAULT) {
-    tsNumOfVnodeStreamThreads = numOfCores / 4;
-    tsNumOfVnodeStreamThreads = TMAX(tsNumOfVnodeStreamThreads, 4);
-    pItem->i32 = tsNumOfVnodeStreamThreads;
+    pItem->fval = tsRatioOfVnodeStreamThreads;
     pItem->stype = stype;
   }
 
@@ -710,7 +706,7 @@ static int32_t taosSetServerCfg(SConfig *pCfg) {
   tsNumOfCommitThreads = cfgGetItem(pCfg, "numOfCommitThreads")->i32;
   tsNumOfMnodeReadThreads = cfgGetItem(pCfg, "numOfMnodeReadThreads")->i32;
   tsNumOfVnodeQueryThreads = cfgGetItem(pCfg, "numOfVnodeQueryThreads")->i32;
-  tsNumOfVnodeStreamThreads = cfgGetItem(pCfg, "numOfVnodeStreamThreads")->i32;
+  tsRatioOfVnodeStreamThreads = cfgGetItem(pCfg, "ratioOfVnodeStreamThreads")->fval;
   tsNumOfVnodeFetchThreads = cfgGetItem(pCfg, "numOfVnodeFetchThreads")->i32;
   tsNumOfVnodeRsmaThreads = cfgGetItem(pCfg, "numOfVnodeRsmaThreads")->i32;
   tsNumOfQnodeQueryThreads = cfgGetItem(pCfg, "numOfQnodeQueryThreads")->i32;
diff --git a/source/dnode/mgmt/mgmt_vnode/inc/vmInt.h b/source/dnode/mgmt/mgmt_vnode/inc/vmInt.h
index b5c554e0caf83724e7e2bb8b157793765527a844..6e724f4d4322c3aee7a143b1cffaa4cae155d3e7 100644
--- a/source/dnode/mgmt/mgmt_vnode/inc/vmInt.h
+++ b/source/dnode/mgmt/mgmt_vnode/inc/vmInt.h
@@ -26,20 +26,20 @@ extern "C" {
 #endif
 
 typedef struct SVnodeMgmt {
-  SDnodeData    *pData;
-  SMsgCb         msgCb;
-  const char    *path;
-  const char    *name;
-  SQWorkerPool   queryPool;
-  SQWorkerPool   streamPool;
-  SWWorkerPool   fetchPool;
-  SSingleWorker  mgmtWorker;
-  SHashObj      *hash;
-  TdThreadRwlock lock;
-  SVnodesStat    state;
-  STfs          *pTfs;
-  TdThread       thread;
-  bool           stop;
+  SDnodeData      *pData;
+  SMsgCb           msgCb;
+  const char      *path;
+  const char      *name;
+  SQWorkerPool     queryPool;
+  SAutoQWorkerPool streamPool;
+  SWWorkerPool     fetchPool;
+  SSingleWorker    mgmtWorker;
+  SHashObj        *hash;
+  TdThreadRwlock   lock;
+  SVnodesStat      state;
+  STfs            *pTfs;
+  TdThread         thread;
+  bool             stop;
 } SVnodeMgmt;
 
 typedef struct {
diff --git a/source/dnode/mgmt/mgmt_vnode/src/vmWorker.c b/source/dnode/mgmt/mgmt_vnode/src/vmWorker.c
index 5afb9a05120ce78a7b9e9812b37ad4cd100b584c..202dc50ac6de75c550e651d2ad3e599b0900eedf 100644
--- a/source/dnode/mgmt/mgmt_vnode/src/vmWorker.c
+++ b/source/dnode/mgmt/mgmt_vnode/src/vmWorker.c
@@ -318,7 +318,7 @@ int32_t vmAllocQueue(SVnodeMgmt *pMgmt, SVnodeObj *pVnode) {
   (void)tMultiWorkerInit(&pVnode->pApplyW, &acfg);
 
   pVnode->pQueryQ = tQWorkerAllocQueue(&pMgmt->queryPool, pVnode, (FItem)vmProcessQueryQueue);
-  pVnode->pStreamQ = tQWorkerAllocQueue(&pMgmt->streamPool, pVnode, (FItem)vmProcessStreamQueue);
+  pVnode->pStreamQ = tAutoQWorkerAllocQueue(&pMgmt->streamPool, pVnode, (FItem)vmProcessStreamQueue);
   pVnode->pFetchQ = tWWorkerAllocQueue(&pMgmt->fetchPool, pVnode, (FItems)vmProcessFetchQueue);
 
   if (pVnode->pWriteW.queue == NULL || pVnode->pSyncW.queue == NULL || pVnode->pSyncCtrlW.queue == NULL ||
@@ -344,7 +344,7 @@ int32_t vmAllocQueue(SVnodeMgmt *pMgmt, SVnodeObj *pVnode) {
 
 void vmFreeQueue(SVnodeMgmt *pMgmt, SVnodeObj *pVnode) {
   tQWorkerFreeQueue(&pMgmt->queryPool, pVnode->pQueryQ);
-  tQWorkerFreeQueue(&pMgmt->streamPool, pVnode->pStreamQ);
+  tAutoQWorkerFreeQueue(&pMgmt->streamPool, pVnode->pStreamQ);
   tWWorkerFreeQueue(&pMgmt->fetchPool, pVnode->pFetchQ);
   pVnode->pQueryQ = NULL;
   pVnode->pStreamQ = NULL;
@@ -359,11 +359,10 @@ int32_t vmStartWorker(SVnodeMgmt *pMgmt) {
   pQPool->max = tsNumOfVnodeQueryThreads;
   if (tQWorkerInit(pQPool) != 0) return -1;
 
-  SQWorkerPool *pStreamPool = &pMgmt->streamPool;
+  SAutoQWorkerPool *pStreamPool = &pMgmt->streamPool;
   pStreamPool->name = "vnode-stream";
-  pStreamPool->min = tsNumOfVnodeStreamThreads;
-  pStreamPool->max = tsNumOfVnodeStreamThreads;
-  if (tQWorkerInit(pStreamPool) != 0) return -1;
+  pStreamPool->ratio = tsRatioOfVnodeStreamThreads;
+  if (tAutoQWorkerInit(pStreamPool) != 0) return -1;
 
   SWWorkerPool *pFPool = &pMgmt->fetchPool;
   pFPool->name = "vnode-fetch";
@@ -385,7 +384,7 @@ int32_t vmStartWorker(SVnodeMgmt *pMgmt) {
 
 void vmStopWorker(SVnodeMgmt *pMgmt) {
   tQWorkerCleanup(&pMgmt->queryPool);
-  tQWorkerCleanup(&pMgmt->streamPool);
+  tAutoQWorkerCleanup(&pMgmt->streamPool);
   tWWorkerCleanup(&pMgmt->fetchPool);
   dDebug("vnode workers are closed");
 }
diff --git a/source/dnode/mgmt/node_mgmt/src/dmTransport.c b/source/dnode/mgmt/node_mgmt/src/dmTransport.c
index 756f97d1d026cea84288ce6522d152082aa78246..0ff41d429edf5fb1afd37d643f38462dd67128ce 100644
--- a/source/dnode/mgmt/node_mgmt/src/dmTransport.c
+++ b/source/dnode/mgmt/node_mgmt/src/dmTransport.c
@@ -111,12 +111,12 @@ static void dmProcessRpcMsg(SDnode *pDnode, SRpcMsg *pRpc, SEpSet *pEpSet) {
     dGError("msg:%p, type:%s pCont is NULL", pRpc, TMSG_INFO(pRpc->msgType));
     terrno = TSDB_CODE_INVALID_MSG_LEN;
     goto _OVER;
-  } /* else if ((pRpc->code == TSDB_CODE_RPC_NETWORK_UNAVAIL || pRpc->code == TSDB_CODE_RPC_BROKEN_LINK) &&
-              (!IsReq(pRpc)) && (pRpc->pCont == NULL)) {
-     dGError("msg:%p, type:%s pCont is NULL, err: %s", pRpc, TMSG_INFO(pRpc->msgType), tstrerror(pRpc->code));
-     terrno = pRpc->code;
-     goto _OVER;
-   }*/
+  } else if ((pRpc->code == TSDB_CODE_RPC_NETWORK_UNAVAIL || pRpc->code == TSDB_CODE_RPC_BROKEN_LINK) &&
+             (!IsReq(pRpc)) && (pRpc->pCont == NULL)) {
+    dGError("msg:%p, type:%s pCont is NULL, err: %s", pRpc, TMSG_INFO(pRpc->msgType), tstrerror(pRpc->code));
+    terrno = pRpc->code;
+    goto _OVER;
+  }
 
   if (pHandle->defaultNtype == NODE_END) {
     dGError("msg:%p, type:%s not processed since no handle", pRpc, TMSG_INFO(pRpc->msgType));
@@ -248,9 +248,9 @@ static inline void dmReleaseHandle(SRpcHandleInfo *pHandle, int8_t type) { rpcRe
 
 static bool rpcRfp(int32_t code, tmsg_t msgType) {
   if (code == TSDB_CODE_RPC_NETWORK_UNAVAIL || code == TSDB_CODE_RPC_BROKEN_LINK || code == TSDB_CODE_MNODE_NOT_FOUND ||
-      code == TSDB_CODE_RPC_SOMENODE_NOT_CONNECTED ||
-      code == TSDB_CODE_SYN_NOT_LEADER || code == TSDB_CODE_SYN_RESTORING || code == TSDB_CODE_VND_STOPPED ||
-      code == TSDB_CODE_APP_IS_STARTING || code == TSDB_CODE_APP_IS_STOPPING) {
+      code == TSDB_CODE_RPC_SOMENODE_NOT_CONNECTED || code == TSDB_CODE_SYN_NOT_LEADER ||
+      code == TSDB_CODE_SYN_RESTORING || code == TSDB_CODE_VND_STOPPED || code == TSDB_CODE_APP_IS_STARTING ||
+      code == TSDB_CODE_APP_IS_STOPPING) {
     if (msgType == TDMT_SCH_QUERY || msgType == TDMT_SCH_MERGE_QUERY || msgType == TDMT_SCH_FETCH ||
         msgType == TDMT_SCH_MERGE_FETCH) {
       return false;
diff --git a/source/libs/parser/src/parTranslater.c b/source/libs/parser/src/parTranslater.c
index 37703534d61647ae7d5189b8d777924576f8ea32..0a2048417996df099023abde434f934efb8adb70 100644
--- a/source/libs/parser/src/parTranslater.c
+++ b/source/libs/parser/src/parTranslater.c
@@ -5640,7 +5640,8 @@ static int32_t addSubtableInfoToCreateStreamQuery(STranslateContext* pCxt, SCrea
   return code;
 }
 
-static int32_t checkStreamQuery(STranslateContext* pCxt, SSelectStmt* pSelect) {
+static int32_t checkStreamQuery(STranslateContext* pCxt, SCreateStreamStmt* pStmt) {
+  SSelectStmt* pSelect = (SSelectStmt*)pStmt->pQuery;
   if (TSDB_DATA_TYPE_TIMESTAMP != ((SExprNode*)nodesListGetNode(pSelect->pProjectionList, 0))->resType.type ||
       !pSelect->isTimeLineResult || crossTableWithoutAggOper(pSelect) || NULL != pSelect->pOrderByList ||
       crossTableWithUdaf(pSelect)) {
@@ -5650,6 +5651,10 @@ static int32_t checkStreamQuery(STranslateContext* pCxt, SSelectStmt* pSelect) {
     return generateSyntaxErrMsgExt(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_STREAM_QUERY,
                                    "SUBTABLE expression must be of VARCHAR type");
   }
+  if (NULL == pSelect->pWindow && STREAM_TRIGGER_AT_ONCE != pStmt->pOptions->triggerType) {
+    return generateSyntaxErrMsgExt(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_STREAM_QUERY,
+                                   "The trigger mode of non window query can only be AT_ONCE");
+  }
   return TSDB_CODE_SUCCESS;
 }
 
@@ -5663,7 +5668,7 @@ static int32_t buildCreateStreamQuery(STranslateContext* pCxt, SCreateStreamStmt
     code = translateQuery(pCxt, pStmt->pQuery);
   }
   if (TSDB_CODE_SUCCESS == code) {
-    code = checkStreamQuery(pCxt, (SSelectStmt*)pStmt->pQuery);
+    code = checkStreamQuery(pCxt, pStmt);
   }
   if (TSDB_CODE_SUCCESS == code) {
     getSourceDatabase(pStmt->pQuery, pCxt->pParseCxt->acctId, pReq->sourceDB);
diff --git a/source/libs/stream/src/streamDispatch.c b/source/libs/stream/src/streamDispatch.c
index 4e0b0630bc1f08969ebec2cf4a2ff674cb1824ff..f2b1db19e8eb3a15f9edf04d1bbbac3a6c750e0c 100644
--- a/source/libs/stream/src/streamDispatch.c
+++ b/source/libs/stream/src/streamDispatch.c
@@ -487,8 +487,6 @@ int32_t streamDispatchAllBlocks(SStreamTask* pTask, const SStreamDataBlock* pDat
       taosMemoryFree(pReqs);
     }
     return code;
-  } else {
-    ASSERT(0);
   }
   return 0;
 }
@@ -514,7 +512,6 @@ int32_t streamDispatch(SStreamTask* pTask) {
 
   int32_t code = 0;
   if (streamDispatchAllBlocks(pTask, pBlock) < 0) {
-    ASSERT(0);
     code = -1;
     streamQueueProcessFail(pTask->outputQueue);
     atomic_store_8(&pTask->outputStatus, TASK_OUTPUT_STATUS__NORMAL);
diff --git a/source/libs/stream/src/streamRecover.c b/source/libs/stream/src/streamRecover.c
index 6889a870d19b2ec01f2f77ab57d8e70866599053..52777fd83401454483955eababaffe3123243383 100644
--- a/source/libs/stream/src/streamRecover.c
+++ b/source/libs/stream/src/streamRecover.c
@@ -143,6 +143,7 @@ int32_t streamProcessTaskCheckRsp(SStreamTask* pTask, const SStreamTaskCheckRsp*
       ASSERT(left >= 0);
       if (left == 0) {
         taosArrayDestroy(pTask->checkReqIds);
+        pTask->checkReqIds = NULL;
         streamTaskLaunchRecover(pTask, version);
       }
     } else if (pTask->outputType == TASK_OUTPUT__FIXED_DISPATCH) {
diff --git a/source/libs/stream/src/streamTask.c b/source/libs/stream/src/streamTask.c
index f7252ed8a036152b2ae9fb46861fdb8ac6754d2d..e9aba0bc3941d501ba25a5ea28aaf02e11d42cbd 100644
--- a/source/libs/stream/src/streamTask.c
+++ b/source/libs/stream/src/streamTask.c
@@ -175,6 +175,8 @@ void tFreeSStreamTask(SStreamTask* pTask) {
   }
   if (pTask->outputType == TASK_OUTPUT__SHUFFLE_DISPATCH) {
     taosArrayDestroy(pTask->shuffleDispatcher.dbInfo.pVgroupInfos);
+    taosArrayDestroy(pTask->checkReqIds);
+    pTask->checkReqIds = NULL;
   }
 
   if (pTask->pState) streamStateClose(pTask->pState);
diff --git a/source/util/src/tworker.c b/source/util/src/tworker.c
index 863cee9b08ced50308afc11db48a5f15c49f8162..a9a84c186033f8b9574f3ef3f22fed10e6794207 100644
--- a/source/util/src/tworker.c
+++ b/source/util/src/tworker.c
@@ -36,7 +36,7 @@ int32_t tQWorkerInit(SQWorkerPool *pool) {
     worker->pool = pool;
   }
 
-  uDebug("worker:%s is initialized, min:%d max:%d", pool->name, pool->min, pool->max);
+  uInfo("worker:%s is initialized, min:%d max:%d", pool->name, pool->min, pool->max);
   return 0;
 }
 
@@ -51,8 +51,10 @@ void tQWorkerCleanup(SQWorkerPool *pool) {
   for (int32_t i = 0; i < pool->max; ++i) {
     SQWorker *worker = pool->workers + i;
     if (taosCheckPthreadValid(worker->thread)) {
+      uInfo("worker:%s:%d is stopping", pool->name, worker->id);
       taosThreadJoin(worker->thread, NULL);
       taosThreadClear(&worker->thread);
+      uInfo("worker:%s:%d is stopped", pool->name, worker->id);
     }
   }
 
@@ -60,7 +62,7 @@ void tQWorkerCleanup(SQWorkerPool *pool) {
   taosCloseQset(pool->qset);
   taosThreadMutexDestroy(&pool->mutex);
 
-  uDebug("worker:%s is closed", pool->name);
+  uInfo("worker:%s is closed", pool->name);
 }
 
 static void *tQWorkerThreadFp(SQWorker *worker) {
@@ -119,7 +121,7 @@ STaosQueue *tQWorkerAllocQueue(SQWorkerPool *pool, void *ahandle, FItem fp) {
 
       taosThreadAttrDestroy(&thAttr);
       pool->num++;
-      uDebug("worker:%s:%d is launched, total:%d", pool->name, worker->id, pool->num);
+      uInfo("worker:%s:%d is launched, total:%d", pool->name, worker->id, pool->num);
     } while (pool->num < pool->min);
   }
 
@@ -130,7 +132,134 @@ STaosQueue *tQWorkerAllocQueue(SQWorkerPool *pool, void *ahandle, FItem fp) {
 }
 
 void tQWorkerFreeQueue(SQWorkerPool *pool, STaosQueue *queue) {
-  uDebug("worker:%s, queue:%p is freed", pool->name, queue);
+  uInfo("worker:%s, queue:%p is freed", pool->name, queue);
+  taosCloseQueue(queue);
+}
+
+int32_t tAutoQWorkerInit(SAutoQWorkerPool *pool) {
+  pool->qset = taosOpenQset();
+  pool->workers = taosArrayInit(2, sizeof(SQWorker *));
+  if (pool->workers == NULL) {
+    terrno = TSDB_CODE_OUT_OF_MEMORY;
+    return -1;
+  }
+
+  (void)taosThreadMutexInit(&pool->mutex, NULL);
+
+  uInfo("worker:%s is initialized as auto", pool->name);
+  return 0;
+}
+
+void tAutoQWorkerCleanup(SAutoQWorkerPool *pool) {
+  int32_t size = taosArrayGetSize(pool->workers);
+  for (int32_t i = 0; i < size; ++i) {
+    SQWorker *worker = taosArrayGetP(pool->workers, i);
+    if (taosCheckPthreadValid(worker->thread)) {
+      taosQsetThreadResume(pool->qset);
+    }
+  }
+
+  for (int32_t i = 0; i < size; ++i) {
+    SQWorker *worker = taosArrayGetP(pool->workers, i);
+    if (taosCheckPthreadValid(worker->thread)) {
+      uInfo("worker:%s:%d is stopping", pool->name, worker->id);
+      taosThreadJoin(worker->thread, NULL);
+      taosThreadClear(&worker->thread);
+      uInfo("worker:%s:%d is stopped", pool->name, worker->id);
+    }
+    taosMemoryFree(worker);
+  }
+
+  taosArrayDestroy(pool->workers);
+  taosCloseQset(pool->qset);
+  taosThreadMutexDestroy(&pool->mutex);
+
+  uInfo("worker:%s is closed", pool->name);
+}
+
+static void *tAutoQWorkerThreadFp(SQWorker *worker) {
+  SAutoQWorkerPool *pool = worker->pool;
+  SQueueInfo        qinfo = {0};
+  void             *msg = NULL;
+  int32_t           code = 0;
+
+  taosBlockSIGPIPE();
+  setThreadName(pool->name);
+  worker->pid = taosGetSelfPthreadId();
+  uInfo("worker:%s:%d is running, thread:%08" PRId64, pool->name, worker->id, worker->pid);
+
+  while (1) {
+    if (taosReadQitemFromQset(pool->qset, (void **)&msg, &qinfo) == 0) {
+      uInfo("worker:%s:%d qset:%p, got no message and exiting, thread:%08" PRId64, pool->name, worker->id, pool->qset,
+            worker->pid);
+      break;
+    }
+
+    if (qinfo.fp != NULL) {
+      qinfo.workerId = worker->id;
+      qinfo.threadNum = taosArrayGetSize(pool->workers);
+      (*((FItem)qinfo.fp))(&qinfo, msg);
+    }
+
+    taosUpdateItemSize(qinfo.queue, 1);
+  }
+
+  return NULL;
+}
+
+STaosQueue *tAutoQWorkerAllocQueue(SAutoQWorkerPool *pool, void *ahandle, FItem fp) {
+  STaosQueue *queue = taosOpenQueue();
+  if (queue == NULL) return NULL;
+
+  taosThreadMutexLock(&pool->mutex);
+  taosSetQueueFp(queue, fp, NULL);
+  taosAddIntoQset(pool->qset, queue, ahandle);
+
+  int32_t queueNum = taosGetQueueNumber(pool->qset);
+  int32_t curWorkerNum = taosArrayGetSize(pool->workers);
+  int32_t dstWorkerNum = ceil(queueNum * pool->ratio);
+  if (dstWorkerNum < 1) dstWorkerNum = 1;
+
+  // spawn a thread to process queue
+  while (curWorkerNum < dstWorkerNum) {
+    SQWorker *worker = taosMemoryCalloc(1, sizeof(SQWorker));
+    if (worker == NULL || taosArrayPush(pool->workers, &worker) == NULL) {
+      uError("worker:%s:%d failed to create", pool->name, curWorkerNum);
+      taosMemoryFree(worker);
+      taosCloseQueue(queue);
+      terrno = TSDB_CODE_OUT_OF_MEMORY;
+      return NULL;
+    }
+    worker->id = curWorkerNum;
+    worker->pool = pool;
+
+    TdThreadAttr thAttr;
+    taosThreadAttrInit(&thAttr);
+    taosThreadAttrSetDetachState(&thAttr, PTHREAD_CREATE_JOINABLE);
+
+    if (taosThreadCreate(&worker->thread, &thAttr, (ThreadFp)tAutoQWorkerThreadFp, worker) != 0) {
+      uError("worker:%s:%d failed to create thread, total:%d", pool->name, worker->id, curWorkerNum);
+      (void)taosArrayPop(pool->workers);
+      taosMemoryFree(worker);
+      taosCloseQueue(queue);
+      terrno = TSDB_CODE_OUT_OF_MEMORY;
+      return NULL;
+    }
+
+    taosThreadAttrDestroy(&thAttr);
+    uInfo("worker:%s:%d is launched, total:%d", pool->name, worker->id, (int32_t)taosArrayGetSize(pool->workers));
+
+    curWorkerNum++;
+  }
+
+  taosThreadMutexUnlock(&pool->mutex);
+  uInfo("worker:%s, queue:%p is allocated, ahandle:%p", pool->name, queue, ahandle);
+
+  return queue;
+}
+
+void tAutoQWorkerFreeQueue(SAutoQWorkerPool *pool, STaosQueue *queue) {
+  uInfo("worker:%s, queue:%p is freed", pool->name, queue);
   taosCloseQueue(queue);
 }
 
@@ -152,7 +281,7 @@ int32_t tWWorkerInit(SWWorkerPool *pool) {
     worker->pool = pool;
   }
 
-  uDebug("worker:%s is initialized, max:%d", pool->name, pool->max);
+  uInfo("worker:%s is initialized, max:%d", pool->name, pool->max);
   return 0;
 }
 
@@ -169,17 +298,19 @@ void tWWorkerCleanup(SWWorkerPool *pool) {
   for (int32_t i = 0; i < pool->max; ++i) {
     SWWorker *worker = pool->workers + i;
     if (taosCheckPthreadValid(worker->thread)) {
+      uInfo("worker:%s:%d is stopping", pool->name, worker->id);
       taosThreadJoin(worker->thread, NULL);
       taosThreadClear(&worker->thread);
       taosFreeQall(worker->qall);
       taosCloseQset(worker->qset);
+      uInfo("worker:%s:%d is stopped", pool->name, worker->id);
     }
   }
 
   taosMemoryFreeClear(pool->workers);
   taosThreadMutexDestroy(&pool->mutex);
 
-  uDebug("worker:%s is closed", pool->name);
+  uInfo("worker:%s is closed", pool->name);
 }
 
 static void *tWWorkerThreadFp(SWWorker *worker) {
@@ -235,7 +366,7 @@ STaosQueue *tWWorkerAllocQueue(SWWorkerPool *pool, void *ahandle, FItems fp) {
     taosThreadAttrSetDetachState(&thAttr, PTHREAD_CREATE_JOINABLE);
     if (taosThreadCreate(&worker->thread, &thAttr, (ThreadFp)tWWorkerThreadFp, worker) != 0) goto _OVER;
 
-    uDebug("worker:%s:%d is launched, max:%d", pool->name, worker->id, pool->max);
+    uInfo("worker:%s:%d is launched, max:%d", pool->name, worker->id, pool->max);
     pool->nextId = (pool->nextId + 1) % pool->max;
 
     taosThreadAttrDestroy(&thAttr);
@@ -259,13 +390,14 @@ _OVER:
   } else {
     while (worker->pid <= 0) taosMsleep(10);
     queue->threadId = worker->pid;
-    uInfo("worker:%s, queue:%p is allocated, ahandle:%p thread:%08" PRId64, pool->name, queue, ahandle, queue->threadId);
+    uInfo("worker:%s, queue:%p is allocated, ahandle:%p thread:%08" PRId64, pool->name, queue, ahandle,
+          queue->threadId);
     return queue;
   }
 }
 
 void tWWorkerFreeQueue(SWWorkerPool *pool, STaosQueue *queue) {
-  uDebug("worker:%s, queue:%p is freed", pool->name, queue);
+  uInfo("worker:%s, queue:%p is freed", pool->name, queue);
   taosCloseQueue(queue);
 }
 
diff --git a/tests/system-test/compatibilityAllTest.sh b/tests/system-test/compatibilityAllTest.sh
new file mode 100755
index 0000000000000000000000000000000000000000..8b599afd8659e9ce4ed2f92408523f9de8dda917
--- /dev/null
+++ b/tests/system-test/compatibilityAllTest.sh
@@ -0,0 +1,46 @@
+#!/bin/bash
+ulimit -c unlimited
+#======================p1-insert===============
+
+python3 ./test.py -f 0-others/taosShell.py
+python3 ./test.py -f 0-others/taosShellError.py
+python3 ./test.py -f 0-others/taosShellNetChk.py
+python3 ./test.py -f 1-insert/alter_database.py
+python3 ./test.py -f 1-insert/influxdb_line_taosc_insert.py
+python3 ./test.py -f 1-insert/opentsdb_telnet_line_taosc_insert.py
+python3 ./test.py -f 1-insert/opentsdb_json_taosc_insert.py
+python3 ./test.py -f 1-insert/test_stmt_muti_insert_query.py
+python3 ./test.py -f 1-insert/test_stmt_set_tbname_tag.py
+python3 ./test.py -f 1-insert/alter_stable.py
+python3 ./test.py -f 1-insert/alter_table.py
+python3 ./test.py -f 1-insert/boundary.py
+python3 ./test.py -f 2-query/top.py
+python3 ./test.py -f 2-query/top.py -R
+python3 ./test.py -f 2-query/tsbsQuery.py
+python3 ./test.py -f 2-query/tsbsQuery.py -R
+python3 ./test.py -f 2-query/ttl_comment.py
+python3 ./test.py -f 2-query/ttl_comment.py -R
+python3 ./test.py -f 2-query/twa.py
+python3 ./test.py -f 2-query/twa.py -R
+python3 ./test.py -f 2-query/union.py
+python3 ./test.py -f 2-query/union.py -R
+python3 ./test.py -f 6-cluster/5dnode1mnode.py
+python3 ./test.py -f 6-cluster/5dnode2mnode.py -N 5
+python3 ./test.py -f 6-cluster/5dnode3mnodeStop.py -N 5 -M 3
+python3 ./test.py -f 6-cluster/5dnode3mnodeStop.py -N 5 -M 3 -i False
+python3 ./test.py -f 6-cluster/5dnode3mnodeStop2Follower.py -N 5 -M 3
+python3 ./test.py -f 6-cluster/5dnode3mnodeStop2Follower.py -N 5 -M 3 -i False
+python3 ./test.py -f 6-cluster/5dnode3mnodeStopLoop.py -N 5 -M 3
+python3 ./test.py -f 6-cluster/5dnode3mnodeSep1VnodeStopDnodeCreateDb.py -N 6 -M 3
+python3 ./test.py -f 6-cluster/5dnode3mnodeSep1VnodeStopDnodeCreateDb.py -N 6 -M 3 -n 3
+python3 ./test.py -f 7-tmq/subscribeStb4.py
+python3 ./test.py -f 7-tmq/db.py
+python3 ./test.py -f 7-tmq/tmqError.py
+python3 ./test.py -f 7-tmq/schema.py
+python3 ./test.py -f 7-tmq/stbFilter.py
+python3 ./test.py -f 7-tmq/tmqCheckData.py
+python3 ./test.py -f 7-tmq/tmqCheckData1.py
+python3 ./test.py -f 7-tmq/tmqConsumerGroup.py
+python3 ./test.py -f 7-tmq/tmqShow.py
+python3 ./test.py -f 7-tmq/tmqAlterSchema.py
+python3 ./test.py -f 99-TDcase/TD-20582.py