diff --git a/include/client/taos.h b/include/client/taos.h
index cf410a42daf1e9c401af767497a603aa12c7a536..a59e203644afe66fe166cdcc4c04afb539a1a289 100644
--- a/include/client/taos.h
+++ b/include/client/taos.h
@@ -225,6 +225,9 @@ DLL_EXPORT int taos_get_tables_vgId(TAOS *taos, const char *db, const char *tabl
 
 DLL_EXPORT int taos_load_table_info(TAOS *taos, const char *tableNameList);
 
+// set heart beat thread quit mode , if quicByKill 1 then kill thread else quit from inner
+DLL_EXPORT void taos_set_hb_quit(int8_t quitByKill);
+
 /*  --------------------------schemaless INTERFACE------------------------------- */
 
 DLL_EXPORT TAOS_RES *taos_schemaless_insert(TAOS *taos, char *lines[], int numLines, int protocol, int precision);
diff --git a/include/common/tcommon.h b/include/common/tcommon.h
index a97c68be4920333f6a08f02fdb6753724db035a3..c9eaae74cd0dcd8ff78f38c605f18458dad43562 100644
--- a/include/common/tcommon.h
+++ b/include/common/tcommon.h
@@ -379,6 +379,8 @@ typedef struct STUidTagInfo {
 #define UD_GROUPID_COLUMN_INDEX    1
 #define UD_TAG_COLUMN_INDEX        2
 
+int32_t taosGenCrashJsonMsg(int signum, char **pMsg, int64_t clusterId, int64_t startTime);
+
 #ifdef __cplusplus
 }
 #endif
diff --git a/include/libs/stream/tstream.h b/include/libs/stream/tstream.h
index aade34e965a705bd201fcca59d341d152d989a7e..78fd9bed5ddff78b11383c096769e767f92a6648 100644
--- a/include/libs/stream/tstream.h
+++ b/include/libs/stream/tstream.h
@@ -273,6 +273,7 @@ typedef struct SStreamId {
 typedef struct SCheckpointInfo {
   int64_t id;
   int64_t version;   // offset in WAL
+  int64_t currentVer;// current offset in WAL, not serialize it
 } SCheckpointInfo;
 
 typedef struct SStreamStatus {
@@ -345,7 +346,7 @@ typedef struct SStreamMeta {
   FTaskExpand* expandFunc;
   int32_t      vgId;
   SRWLatch     lock;
-  int8_t       walScan;
+  int32_t      walScan;
 } SStreamMeta;
 
 int32_t tEncodeStreamEpInfo(SEncoder* pEncoder, const SStreamChildEpInfo* pInfo);
@@ -537,6 +538,7 @@ void    streamTaskInputFail(SStreamTask* pTask);
 int32_t streamTryExec(SStreamTask* pTask);
 int32_t streamSchedExec(SStreamTask* pTask);
 int32_t streamTaskOutput(SStreamTask* pTask, SStreamDataBlock* pBlock);
+bool    streamTaskShouldStop(const SStreamStatus* pStatus);
 
 int32_t streamScanExec(SStreamTask* pTask, int32_t batchSz);
 
diff --git a/include/util/tlog.h b/include/util/tlog.h
index 0071b3d32cd72be79ab5adf8bdba20b92c18f4f7..541b7589b799f4c1821430b692c31aa179e669b6 100644
--- a/include/util/tlog.h
+++ b/include/util/tlog.h
@@ -102,7 +102,6 @@ bool taosAssertRelease(bool condition);
 void    taosLogCrashInfo(char *nodeType, char *pMsg, int64_t msgLen, int signum, void *sigInfo);
 void    taosReadCrashInfo(char *filepath, char **pMsg, int64_t *pMsgLen, TdFilePtr *pFd);
 void    taosReleaseCrashLogFile(TdFilePtr pFile, bool truncateFile);
-int32_t taosGenCrashJsonMsg(int signum, char **pMsg, int64_t clusterId, int64_t startTime);
 
 // clang-format off
 #define uFatal(...) { if (uDebugFlag & DEBUG_FATAL) { taosPrintLog("UTL FATAL", DEBUG_FATAL, tsLogEmbedded ? 255 : uDebugFlag, __VA_ARGS__); }}
diff --git a/packaging/docker/bin/entrypoint.sh b/packaging/docker/bin/entrypoint.sh
index f4be349c0de0ea0df382fc6fee033120c5c48007..f2811de7bd28c9cb324e64d0e7193f1c11869626 100755
--- a/packaging/docker/bin/entrypoint.sh
+++ b/packaging/docker/bin/entrypoint.sh
@@ -42,8 +42,9 @@ if [ "$DISABLE_ADAPTER" = "0" ]; then
     done
 fi
 
-# if has mnode ep set or the host is first ep or not for cluster, just start.
-if [ -f "$DATA_DIR/dnode/mnodeEpSet.json" ] ||
+# if dnode has been created or has mnode ep set or the host is first ep or not for cluster, just start.
+if [ -f "$DATA_DIR/dnode/dnode.json" ] ||
+    [ -f "$DATA_DIR/dnode/mnodeEpSet.json" ] ||
     [ "$TAOS_FQDN" = "$FIRST_EP_HOST" ]; then
     $@
 # others will first wait the first ep ready.
diff --git a/packaging/tools/makeclient.sh b/packaging/tools/makeclient.sh
index b473f3b52728714276b8493ea0bc96094e880e34..28dc770755a9af46bff1f429a7107194e41ae75d 100755
--- a/packaging/tools/makeclient.sh
+++ b/packaging/tools/makeclient.sh
@@ -197,7 +197,8 @@ if [[ $productName == "TDengine" ]]; then
       mkdir -p ${install_dir}/connector
       if [[ "$pagMode" != "lite" ]] && [[ "$cpuType" != "aarch32" ]]; then
           if [ "$osType" != "Darwin" ]; then
-              [ -f ${build_dir}/lib/*.jar ] && cp ${build_dir}/lib/*.jar ${install_dir}/connector || :
+              jars=$(ls ${build_dir}/lib/*.jar 2>/dev/null|wc -l)
+              [ "${jars}" != "0" ] && cp ${build_dir}/lib/*.jar ${install_dir}/connector || :
           fi
           git clone --depth 1 https://github.com/taosdata/driver-go ${install_dir}/connector/go
           rm -rf ${install_dir}/connector/go/.git ||:
diff --git a/packaging/tools/makepkg.sh b/packaging/tools/makepkg.sh
index e4df233d678f90d55ef50ba05e088397faa8e6b0..a59083525714fa25724c5d8d93ffd799c0685091 100755
--- a/packaging/tools/makepkg.sh
+++ b/packaging/tools/makepkg.sh
@@ -338,7 +338,20 @@ if [ "$verMode" == "cluster" ] || [ "$verMode" == "cloud" ]; then
     connector_dir="${code_dir}/connector"
     mkdir -p ${install_dir}/connector
     if [[ "$pagMode" != "lite" ]] && [[ "$cpuType" != "aarch32" ]]; then
-        [ -f ${build_dir}/lib/*.jar ] && cp ${build_dir}/lib/*.jar ${install_dir}/connector || :
+        tmp_pwd=`pwd`
+    	  cd ${install_dir}/connector
+    	  if [ ! -d taos-connector-jdbc ];then
+          	git clone -b main --depth=1 https://github.com/taosdata/taos-connector-jdbc.git ||:
+    	  fi
+    	  cd taos-connector-jdbc
+    	  mvn clean package -Dmaven.test.skip=true
+    	  echo  ${build_dir}/lib/
+    	  cp target/*.jar  ${build_dir}/lib/
+    	  cd ${install_dir}/connector
+    	  rm -rf taos-connector-jdbc
+    	  cd ${tmp_pwd}
+   	    jars=$(ls ${build_dir}/lib/*.jar 2>/dev/null|wc -l)
+        [ "${jars}" != "0" ] && cp ${build_dir}/lib/*.jar ${install_dir}/connector || :
         git clone --depth 1 https://github.com/taosdata/driver-go ${install_dir}/connector/go
         rm -rf ${install_dir}/connector/go/.git ||:
 
diff --git a/source/client/inc/clientInt.h b/source/client/inc/clientInt.h
index 41f87379a9c7766348c342b4f97273cb4704ab1a..46d44d744327d16d77bd4055644d4c797550e40e 100644
--- a/source/client/inc/clientInt.h
+++ b/source/client/inc/clientInt.h
@@ -80,6 +80,7 @@ typedef struct {
   int64_t appId;
   // ctl
   int8_t        threadStop;
+  int8_t        quitByKill;
   TdThread      thread;
   TdThreadMutex lock;  // used when app init and cleanup
   SHashObj*     appSummary;
diff --git a/source/client/inc/clientSml.h b/source/client/inc/clientSml.h
index 92896e6f23ffd0b37e3387ac800417519f19dd6a..43a7e8ba45c9eb271cd07803ec38d4d22b1fe2b0 100644
--- a/source/client/inc/clientSml.h
+++ b/source/client/inc/clientSml.h
@@ -70,7 +70,7 @@ extern "C" {
 #define VALUE_LEN 6
 
 #define OTD_JSON_FIELDS_NUM     4
-#define MAX_RETRY_TIMES 100
+#define MAX_RETRY_TIMES 10
 typedef TSDB_SML_PROTOCOL_TYPE SMLProtocolType;
 
 typedef enum {
diff --git a/source/client/src/clientHb.c b/source/client/src/clientHb.c
index c9c2e7a5f82453035100f2e4a67d806c70a7ff57..8d082ab60b14e4da23bab139828392f0ba45f3e6 100644
--- a/source/client/src/clientHb.c
+++ b/source/client/src/clientHb.c
@@ -845,7 +845,12 @@ static void hbStopThread() {
     return;
   }
 
-  taosThreadJoin(clientHbMgr.thread, NULL);
+  // thread quit mode kill or inner exit from self-thread
+  if (clientHbMgr.quitByKill) {
+    taosThreadKill(clientHbMgr.thread, 0);
+  } else {
+    taosThreadJoin(clientHbMgr.thread, NULL);
+  }
 
   tscDebug("hb thread stopped");
 }
@@ -1037,3 +1042,8 @@ void hbDeregisterConn(SAppHbMgr *pAppHbMgr, SClientHbKey connKey) {
 
   atomic_sub_fetch_32(&pAppHbMgr->connKeyCnt, 1);
 }
+
+// set heart beat thread quit mode , if quicByKill 1 then kill thread else quit from inner
+void taos_set_hb_quit(int8_t quitByKill) {
+  clientHbMgr.quitByKill = quitByKill;
+}
diff --git a/source/client/src/clientSml.c b/source/client/src/clientSml.c
index 17150286e1407e65a38e040877da7e053ca2e946..763d4b69152a52a92781a556234318ebcc9a1fd7 100644
--- a/source/client/src/clientSml.c
+++ b/source/client/src/clientSml.c
@@ -535,7 +535,7 @@ static int32_t smlGenerateSchemaAction(SSchema *colField, SHashObj *colHash, SSm
   if (index) {
     if (colField[*index].type != kv->type) {
       uError("SML:0x%" PRIx64 " point type and db type mismatch. point type: %d, db type: %d, key: %s", info->id, colField[*index].type, kv->type, kv->key);
-      return TSDB_CODE_TSC_INVALID_VALUE;
+      return TSDB_CODE_SML_INVALID_DATA;
     }
 
     if ((colField[*index].type == TSDB_DATA_TYPE_VARCHAR &&
@@ -1494,8 +1494,8 @@ static int smlProcess(SSmlHandle *info, char *lines[], char *rawLine, char *rawL
 
   do {
     code = smlModifyDBSchemas(info);
-    if (code == 0) break;
-    taosMsleep(500);
+    if (code == 0 || code == TSDB_CODE_SML_INVALID_DATA) break;
+    taosMsleep(100);
     uInfo("SML:0x%" PRIx64 " smlModifyDBSchemas retry code:%s, times:%d", info->id, tstrerror(code), retryNum);
   } while (retryNum++ < taosHashGetSize(info->superTables) * MAX_RETRY_TIMES);
 
diff --git a/source/common/src/tdataformat.c b/source/common/src/tdataformat.c
index d6ab974c6ced8305ddad0ebc86f072a08bf9c978..f379084cf558a6e9d4225f52163beb1cfea8a8ce 100644
--- a/source/common/src/tdataformat.c
+++ b/source/common/src/tdataformat.c
@@ -2503,9 +2503,11 @@ _exit:
 int32_t tColDataAddValueByBind(SColData *pColData, TAOS_MULTI_BIND *pBind) {
   int32_t code = 0;
 
-  ASSERT(pColData->type == pBind->buffer_type);
-
-  if (IS_VAR_DATA_TYPE(pBind->buffer_type)) {  // var-length data type
+  if (!(pBind->num == 1 && pBind->is_null && *pBind->is_null)) {
+    ASSERT(pColData->type == pBind->buffer_type);
+  }
+  
+  if (IS_VAR_DATA_TYPE(pColData->type)) {  // var-length data type
     for (int32_t i = 0; i < pBind->num; ++i) {
       if (pBind->is_null && pBind->is_null[i]) {
         code = tColDataAppendValueImpl[pColData->flag][CV_FLAG_NULL](pColData, NULL, 0);
diff --git a/source/common/src/tmisce.c b/source/common/src/tmisce.c
index 59afce1bbbf342ac61392c8e26dd44628c9505de..c195f5387cb2e01fb128895465980a2569b4d04a 100644
--- a/source/common/src/tmisce.c
+++ b/source/common/src/tmisce.c
@@ -15,6 +15,7 @@
 
 #define _DEFAULT_SOURCE
 #include "tmisce.h"
+#include "tjson.h"
 #include "tglobal.h"
 #include "tlog.h"
 #include "tname.h"
@@ -87,3 +88,63 @@ SEpSet getEpSet_s(SCorEpSet* pEpSet) {
 
   return ep;
 }
+
+int32_t taosGenCrashJsonMsg(int signum, char** pMsg, int64_t clusterId, int64_t startTime) {
+  SJson* pJson = tjsonCreateObject();
+  if (pJson == NULL) return -1;
+  char tmp[4096] = {0};
+
+  tjsonAddDoubleToObject(pJson, "reportVersion", 1);
+
+  tjsonAddIntegerToObject(pJson, "clusterId", clusterId);
+  tjsonAddIntegerToObject(pJson, "startTime", startTime);
+
+  // Do NOT invoke the taosGetFqdn here.
+  // this function may be invoked when memory exception occurs,so we should assume that it is running in a memory locked
+  // environment. The lock operation by taosGetFqdn may cause this program deadlock.
+  tjsonAddStringToObject(pJson, "fqdn", tsLocalFqdn);
+
+  tjsonAddIntegerToObject(pJson, "pid", taosGetPId());
+
+  taosGetAppName(tmp, NULL);
+  tjsonAddStringToObject(pJson, "appName", tmp);
+
+  if (taosGetOsReleaseName(tmp, sizeof(tmp)) == 0) {
+    tjsonAddStringToObject(pJson, "os", tmp);
+  }
+
+  float numOfCores = 0;
+  if (taosGetCpuInfo(tmp, sizeof(tmp), &numOfCores) == 0) {
+    tjsonAddStringToObject(pJson, "cpuModel", tmp);
+    tjsonAddDoubleToObject(pJson, "numOfCpu", numOfCores);
+  } else {
+    tjsonAddDoubleToObject(pJson, "numOfCpu", tsNumOfCores);
+  }
+
+  snprintf(tmp, sizeof(tmp), "%" PRId64 " kB", tsTotalMemoryKB);
+  tjsonAddStringToObject(pJson, "memory", tmp);
+
+  tjsonAddStringToObject(pJson, "version", version);
+  tjsonAddStringToObject(pJson, "buildInfo", buildinfo);
+  tjsonAddStringToObject(pJson, "gitInfo", gitinfo);
+
+  tjsonAddIntegerToObject(pJson, "crashSig", signum);
+  tjsonAddIntegerToObject(pJson, "crashTs", taosGetTimestampUs());
+
+#ifdef _TD_DARWIN_64
+  taosLogTraceToBuf(tmp, sizeof(tmp), 4);
+#elif !defined(WINDOWS)
+  taosLogTraceToBuf(tmp, sizeof(tmp), 3);
+#else
+  taosLogTraceToBuf(tmp, sizeof(tmp), 8);
+#endif
+
+  tjsonAddStringToObject(pJson, "stackInfo", tmp);
+
+  char* pCont = tjsonToString(pJson);
+  tjsonDelete(pJson);
+
+  *pMsg = pCont;
+
+  return TSDB_CODE_SUCCESS;
+}
diff --git a/source/dnode/mgmt/mgmt_vnode/src/vmInt.c b/source/dnode/mgmt/mgmt_vnode/src/vmInt.c
index 0244a4fd6e34c8f362047a9829ecc56285ff31fa..16e7ffc5367c857dad1414c788dc46d9f6263b42 100644
--- a/source/dnode/mgmt/mgmt_vnode/src/vmInt.c
+++ b/source/dnode/mgmt/mgmt_vnode/src/vmInt.c
@@ -119,6 +119,7 @@ void vmCloseVnode(SVnodeMgmt *pMgmt, SVnodeObj *pVnode, bool commitAndRemoveWal)
         pVnode->pFetchQ->threadId);
   while (!taosQueueEmpty(pVnode->pFetchQ)) taosMsleep(10);
 
+  tqNotifyClose(pVnode->pImpl->pTq);
   dInfo("vgId:%d, wait for vnode stream queue:%p is empty", pVnode->vgId, pVnode->pStreamQ);
   while (!taosQueueEmpty(pVnode->pStreamQ)) taosMsleep(10);
 
@@ -141,7 +142,6 @@ void vmCloseVnode(SVnodeMgmt *pMgmt, SVnodeObj *pVnode, bool commitAndRemoveWal)
   dInfo("vgId:%d, vnode is closed", pVnode->vgId);
 
   if (commitAndRemoveWal) {
-    char path[TSDB_FILENAME_LEN] = {0};
     snprintf(path, TSDB_FILENAME_LEN, "vnode%svnode%d%swal", TD_DIRSEP, pVnode->vgId, TD_DIRSEP);
     dInfo("vgId:%d, remove all wals, path:%s", pVnode->vgId, path);
     tfsRmdir(pMgmt->pTfs, path);
diff --git a/source/dnode/mnode/impl/src/mndDb.c b/source/dnode/mnode/impl/src/mndDb.c
index df220340688ae7b0230dae3a3242e0fc9ff6d2b9..e0b3e2bf7407d9b06bde081315f3428a87caff3b 100644
--- a/source/dnode/mnode/impl/src/mndDb.c
+++ b/source/dnode/mnode/impl/src/mndDb.c
@@ -1437,7 +1437,7 @@ int32_t mndValidateDbInfo(SMnode *pMnode, SDbVgVersion *pDbs, int32_t numOfDbs,
   return 0;
 }
 
-static int32_t mndTrimDb(SMnode *pMnode, SDbObj *pDb, SRpcMsg *pReq) {
+static int32_t mndTrimDb(SMnode *pMnode, SDbObj *pDb) {
   SSdb       *pSdb = pMnode->pSdb;
   SVgObj     *pVgroup = NULL;
   void       *pIter = NULL;
@@ -1459,7 +1459,7 @@ static int32_t mndTrimDb(SMnode *pMnode, SDbObj *pDb, SRpcMsg *pReq) {
     pHead->vgId = htonl(pVgroup->vgId);
     tSerializeSVTrimDbReq((char *)pHead + sizeof(SMsgHead), contLen, &trimReq);
 
-    SRpcMsg rpcMsg = {.msgType = TDMT_VND_TRIM, .pCont = pHead, .contLen = contLen, .info = pReq->info};
+    SRpcMsg rpcMsg = {.msgType = TDMT_VND_TRIM, .pCont = pHead, .contLen = contLen};
     SEpSet  epSet = mndGetVgroupEpset(pMnode, pVgroup);
     int32_t code = tmsgSendReq(&epSet, &rpcMsg);
     if (code != 0) {
@@ -1495,7 +1495,7 @@ static int32_t mndProcessTrimDbReq(SRpcMsg *pReq) {
     goto _OVER;
   }
 
-  code = mndTrimDb(pMnode, pDb, pReq);
+  code = mndTrimDb(pMnode, pDb);
 
 _OVER:
   if (code != 0) {
diff --git a/source/dnode/vnode/src/inc/tq.h b/source/dnode/vnode/src/inc/tq.h
index db17e4f533128191474690d2ace5764cf6c4b3b2..acc0d29382a17a0fef955bdec489b50d4a7a2233 100644
--- a/source/dnode/vnode/src/inc/tq.h
+++ b/source/dnode/vnode/src/inc/tq.h
@@ -180,16 +180,9 @@ int32_t tqStreamTasksScanWal(STQ* pTq);
 
 // tq util
 char*   createStreamTaskIdStr(int64_t streamId, int32_t taskId);
-void    createStreamTaskOffsetKey(char* dst, uint64_t streamId, uint32_t taskId);
 int32_t tqAddInputBlockNLaunchTask(SStreamTask* pTask, SStreamQueueItem* pQueueItem, int64_t ver);
-int32_t launchTaskForWalBlock(SStreamTask* pTask, SFetchRet* pRet, STqOffset* pOffset);
 int32_t tqExtractDataForMq(STQ* pTq, STqHandle* pHandle, const SMqPollReq* pRequest, SRpcMsg* pMsg);
 
-void    doSaveTaskOffset(STqOffsetStore* pOffsetStore, const char* pKey, int64_t ver);
-void    saveOffsetForAllTasks(STQ* pTq, int64_t ver);
-void    initOffsetForAllRestoreTasks(STQ* pTq);
-int32_t transferToWalReadTask(SStreamMeta* pStreamMeta, SArray* pTaskList);
-
 #ifdef __cplusplus
 }
 #endif
diff --git a/source/dnode/vnode/src/inc/vnodeInt.h b/source/dnode/vnode/src/inc/vnodeInt.h
index 81f7c3d52ae37a14bb95e636d3c94171ae27c1bb..416bc6cdc73a794b77eac85c724f6f21aec83a47 100644
--- a/source/dnode/vnode/src/inc/vnodeInt.h
+++ b/source/dnode/vnode/src/inc/vnodeInt.h
@@ -190,6 +190,7 @@ int32_t tsdbSetKeepCfg(STsdb* pTsdb, STsdbCfg* pCfg);
 int  tqInit();
 void tqCleanUp();
 STQ* tqOpen(const char* path, SVnode* pVnode);
+void tqNotifyClose(STQ*);
 void tqClose(STQ*);
 int  tqPushMsg(STQ*, void* msg, int32_t msgLen, tmsg_t msgType, int64_t ver);
 int  tqRegisterPushHandle(STQ* pTq, void* pHandle, const SMqPollReq* pRequest, SRpcMsg* pRpcMsg, SMqDataRsp* pDataRsp,
diff --git a/source/dnode/vnode/src/tq/tq.c b/source/dnode/vnode/src/tq/tq.c
index 36fcb35791e8819cba53f53ca586fae7e3958de8..a78239a4b5f6bf95d6ac3dc92078a3f4b478a1a9 100644
--- a/source/dnode/vnode/src/tq/tq.c
+++ b/source/dnode/vnode/src/tq/tq.c
@@ -154,6 +154,31 @@ void tqClose(STQ* pTq) {
   taosMemoryFree(pTq);
 }
 
+void tqNotifyClose(STQ* pTq) {
+  if (pTq != NULL) {
+    taosWLockLatch(&pTq->pStreamMeta->lock);
+
+    void* pIter = NULL;
+    while (1) {
+      pIter = taosHashIterate(pTq->pStreamMeta->pTasks, pIter);
+      if (pIter == NULL) {
+        break;
+      }
+
+      SStreamTask* pTask = *(SStreamTask**)pIter;
+      tqDebug("vgId:%d s-task:%s set dropping flag", pTq->pStreamMeta->vgId, pTask->id.idStr);
+      pTask->status.taskStatus = TASK_STATUS__STOP;
+
+      int64_t st = taosGetTimestampMs();
+      qKillTask(pTask->exec.pExecutor, TSDB_CODE_SUCCESS);
+      int64_t el = taosGetTimestampMs() - st;
+      tqDebug("vgId:%d s-task:%s is closed in %" PRId64 "ms", pTq->pStreamMeta->vgId, pTask->id.idStr, el);
+    }
+
+    taosWUnLockLatch(&pTq->pStreamMeta->lock);
+  }
+}
+
 static int32_t doSendDataRsp(const SRpcHandleInfo* pRpcHandleInfo, const SMqDataRsp* pRsp, int32_t epoch,
                              int64_t consumerId, int32_t type) {
   int32_t len = 0;
@@ -573,6 +598,7 @@ int32_t tqExpandTask(STQ* pTq, SStreamTask* pTask, int64_t ver) {
   pTask->pMsgCb = &pTq->pVnode->msgCb;
   pTask->pMeta = pTq->pStreamMeta;
   pTask->chkInfo.version = ver;
+  pTask->chkInfo.currentVer = ver;
 
   // expand executor
   if (pTask->fillHistory) {
@@ -966,14 +992,21 @@ int32_t tqProcessDelReq(STQ* pTq, void* pReq, int32_t len, int64_t ver) {
   int32_t* pRef = taosMemoryMalloc(sizeof(int32_t));
   *pRef = 1;
 
+  taosWLockLatch(&pTq->pStreamMeta->lock);
+
   void* pIter = NULL;
   while (1) {
     pIter = taosHashIterate(pTq->pStreamMeta->pTasks, pIter);
-    if (pIter == NULL) break;
+    if (pIter == NULL) {
+      break;
+    }
+
     SStreamTask* pTask = *(SStreamTask**)pIter;
-    if (pTask->taskLevel != TASK_LEVEL__SOURCE) continue;
+    if (pTask->taskLevel != TASK_LEVEL__SOURCE) {
+      continue;
+    }
 
-    qDebug("delete req enqueue stream task: %d, ver: %" PRId64, pTask->id.taskId, ver);
+    qDebug("s-task:%s delete req enqueue, ver: %" PRId64, pTask->id.idStr, ver);
 
     if (!failed) {
       SStreamRefDataBlock* pRefBlock = taosAllocateQitem(sizeof(SStreamRefDataBlock), DEF_QITEM, 0);
@@ -983,15 +1016,13 @@ int32_t tqProcessDelReq(STQ* pTq, void* pReq, int32_t len, int64_t ver) {
       atomic_add_fetch_32(pRefBlock->dataRef, 1);
 
       if (tAppendDataToInputQueue(pTask, (SStreamQueueItem*)pRefBlock) < 0) {
-        qError("stream task input del failed, task id %d", pTask->id.taskId);
-
         atomic_sub_fetch_32(pRef, 1);
         taosFreeQitem(pRefBlock);
         continue;
       }
 
       if (streamSchedExec(pTask) < 0) {
-        qError("stream task launch failed, task id %d", pTask->id.taskId);
+        qError("s-task:%s stream task launch failed", pTask->id.idStr);
         continue;
       }
 
@@ -1000,8 +1031,9 @@ int32_t tqProcessDelReq(STQ* pTq, void* pReq, int32_t len, int64_t ver) {
     }
   }
 
+  taosWUnLockLatch(&pTq->pStreamMeta->lock);
+
   int32_t ref = atomic_sub_fetch_32(pRef, 1);
-  /*A(ref >= 0);*/
   if (ref == 0) {
     blockDataDestroy(pDelBlock);
     taosMemoryFree(pRef);
@@ -1032,23 +1064,9 @@ int32_t tqProcessDelReq(STQ* pTq, void* pReq, int32_t len, int64_t ver) {
   }
   blockDataDestroy(pDelBlock);
 #endif
-
   return 0;
 }
 
-static int32_t addSubmitBlockNLaunchTask(STqOffsetStore* pOffsetStore, SStreamTask* pTask, SStreamDataSubmit2* pSubmit,
-                                         const char* key, int64_t ver) {
-  doSaveTaskOffset(pOffsetStore, key, ver);
-  int32_t code = tqAddInputBlockNLaunchTask(pTask, (SStreamQueueItem*)pSubmit, ver);
-
-  // remove the offset, if all functions are completed successfully.
-  if (code == TSDB_CODE_SUCCESS) {
-    tqOffsetDelete(pOffsetStore, key);
-  }
-
-  return code;
-}
-
 int32_t tqProcessSubmitReq(STQ* pTq, SPackedData submit) {
 #if 0
   void* pIter = NULL;
@@ -1309,9 +1327,7 @@ int32_t tqStartStreamTasks(STQ* pTq) {
     return -1;
   }
 
-  tqInfo("vgId:%d start wal scan stream tasks, tasks:%d", vgId, numOfTasks);
-  initOffsetForAllRestoreTasks(pTq);
-
+  tqDebug("vgId:%d start wal scan stream tasks, tasks:%d", vgId, numOfTasks);
   pRunReq->head.vgId = vgId;
   pRunReq->streamId = 0;
   pRunReq->taskId = WAL_READ_TASKS_ID;
diff --git a/source/dnode/vnode/src/tq/tqRead.c b/source/dnode/vnode/src/tq/tqRead.c
index 25ab7209d2ca33c928ba5b648348bcc329189d1f..2cda12c0e10fb02bd5928b4f349f75b7d1fad12b 100644
--- a/source/dnode/vnode/src/tq/tqRead.c
+++ b/source/dnode/vnode/src/tq/tqRead.c
@@ -1023,6 +1023,7 @@ int32_t tqUpdateTbUidList(STQ* pTq, const SArray* tbUidList, bool isAdd) {
   }
 
   // update the table list handle for each stream scanner/wal reader
+  taosWLockLatch(&pTq->pStreamMeta->lock);
   while (1) {
     pIter = taosHashIterate(pTq->pStreamMeta->pTasks, pIter);
     if (pIter == NULL) {
@@ -1039,5 +1040,7 @@ int32_t tqUpdateTbUidList(STQ* pTq, const SArray* tbUidList, bool isAdd) {
     }
   }
 
+  taosWUnLockLatch(&pTq->pStreamMeta->lock);
+
   return 0;
 }
diff --git a/source/dnode/vnode/src/tq/tqRestore.c b/source/dnode/vnode/src/tq/tqRestore.c
index cba51cdee4f868352ae2a339efd1c2eb817b58a6..c164d037e0bc6e124aa5edfbe6a3570502afbfcf 100644
--- a/source/dnode/vnode/src/tq/tqRestore.c
+++ b/source/dnode/vnode/src/tq/tqRestore.c
@@ -15,121 +15,125 @@
 
 #include "tq.h"
 
-static int32_t streamTaskReplayWal(SStreamMeta* pStreamMeta, STqOffsetStore* pOffsetStore, bool* pScanIdle);
-static int32_t transferToNormalTask(SStreamMeta* pStreamMeta, SArray* pTaskList);
+static int32_t createStreamRunReq(SStreamMeta* pStreamMeta, bool* pScanIdle);
 
 // this function should be executed by stream threads.
 // there is a case that the WAL increases more fast than the restore procedure, and this restore procedure
 // will not stop eventually.
-int tqStreamTasksScanWal(STQ* pTq) {
+int32_t tqStreamTasksScanWal(STQ* pTq) {
   int32_t vgId = TD_VID(pTq->pVnode);
   SStreamMeta* pMeta = pTq->pStreamMeta;
   int64_t st = taosGetTimestampMs();
 
   while (1) {
-    tqInfo("vgId:%d continue check if data in wal are available", vgId);
+    int32_t scan = pMeta->walScan;
+    tqDebug("vgId:%d continue check if data in wal are available, scan:%d", vgId, scan);
 
     // check all restore tasks
-    bool allFull = true;
-    streamTaskReplayWal(pTq->pStreamMeta, pTq->pOffsetStore, &allFull);
+    bool shouldIdle = true;
+    createStreamRunReq(pTq->pStreamMeta, &shouldIdle);
 
     int32_t times = 0;
 
-    if (allFull) {
+    if (shouldIdle) {
       taosWLockLatch(&pMeta->lock);
       pMeta->walScan -= 1;
       times = pMeta->walScan;
 
+      ASSERT(pMeta->walScan >= 0);
+
       if (pMeta->walScan <= 0) {
         taosWUnLockLatch(&pMeta->lock);
         break;
       }
 
       taosWUnLockLatch(&pMeta->lock);
-      tqInfo("vgId:%d scan wal for stream tasks for %d times", vgId, times);
+      tqDebug("vgId:%d scan wal for stream tasks for %d times", vgId, times);
     }
   }
 
-  double el = (taosGetTimestampMs() - st) / 1000.0;
-  tqInfo("vgId:%d scan wal for stream tasks completed, elapsed time:%.2f sec", vgId, el);
+  int64_t el = (taosGetTimestampMs() - st);
+  tqDebug("vgId:%d scan wal for stream tasks completed, elapsed time:%"PRId64" ms", vgId, el);
   return 0;
 }
 
-//int32_t transferToNormalTask(SStreamMeta* pStreamMeta, SArray* pTaskList) {
-//  int32_t numOfTask = taosArrayGetSize(pTaskList);
-//  if (numOfTask <= 0)  {
-//    return TSDB_CODE_SUCCESS;
-//  }
-//
-//  // todo: add lock
-//  for (int32_t i = 0; i < numOfTask; ++i) {
-//    SStreamTask* pTask = taosArrayGetP(pTaskList, i);
-//    tqDebug("vgId:%d transfer s-task:%s state restore -> ready, checkpoint:%" PRId64 " checkpoint id:%" PRId64,
-//            pStreamMeta->vgId, pTask->id.idStr, pTask->chkInfo.version, pTask->chkInfo.id);
-//    taosHashRemove(pStreamMeta->pWalReadTasks, &pTask->id.taskId, sizeof(pTask->id.taskId));
-//
-//    // NOTE: do not change the following order
-//    atomic_store_8(&pTask->status.taskStatus, TASK_STATUS__NORMAL);
-//    taosHashPut(pStreamMeta->pTasks, &pTask->id.taskId, sizeof(pTask->id.taskId), &pTask, POINTER_BYTES);
-//  }
-//
-//  return TSDB_CODE_SUCCESS;
-//}
-
-int32_t streamTaskReplayWal(SStreamMeta* pStreamMeta, STqOffsetStore* pOffsetStore, bool* pScanIdle) {
+static SArray* extractTaskIdList(SStreamMeta* pStreamMeta, int32_t numOfTasks) {
+  SArray* pTaskIdList = taosArrayInit(numOfTasks, sizeof(int32_t));
   void*   pIter = NULL;
-  int32_t vgId = pStreamMeta->vgId;
-
-  *pScanIdle = true;
-
-  bool allWalChecked = true;
-  tqDebug("vgId:%d start to check wal to extract new submit block", vgId);
 
-  while (1) {
+  taosWLockLatch(&pStreamMeta->lock);
+  while(1) {
     pIter = taosHashIterate(pStreamMeta->pTasks, pIter);
     if (pIter == NULL) {
       break;
     }
 
     SStreamTask* pTask = *(SStreamTask**)pIter;
-    if (pTask->taskLevel != TASK_LEVEL__SOURCE) {
+    taosArrayPush(pTaskIdList, &pTask->id.taskId);
+  }
+
+  taosWUnLockLatch(&pStreamMeta->lock);
+  return pTaskIdList;
+}
+
+int32_t createStreamRunReq(SStreamMeta* pStreamMeta, bool* pScanIdle) {
+  *pScanIdle = true;
+  bool    noNewDataInWal = true;
+  int32_t vgId = pStreamMeta->vgId;
+
+  int32_t numOfTasks = taosHashGetSize(pStreamMeta->pTasks);
+  if (numOfTasks == 0) {
+    return TSDB_CODE_SUCCESS;
+  }
+
+  tqDebug("vgId:%d start to check wal to extract new submit block for %d tasks", vgId, numOfTasks);
+  SArray* pTaskIdList = extractTaskIdList(pStreamMeta, numOfTasks);
+
+  // update the new task number
+  numOfTasks = taosArrayGetSize(pTaskIdList);
+  for (int32_t i = 0; i < numOfTasks; ++i) {
+    int32_t*     pTaskId = taosArrayGet(pTaskIdList, i);
+    SStreamTask* pTask = streamMetaAcquireTask(pStreamMeta, *pTaskId);
+    if (pTask == NULL) {
       continue;
     }
 
-    int8_t status = pTask->status.taskStatus;
-    if (status == TASK_STATUS__RECOVER_PREPARE || status == TASK_STATUS__WAIT_DOWNSTREAM) {
-      tqDebug("s-task:%s skip push data, not ready for processing, status %d", pTask->id.idStr,
-              pTask->status.taskStatus);
+    int32_t status = pTask->status.taskStatus;
+    if (pTask->taskLevel != TASK_LEVEL__SOURCE) {
+      tqDebug("s-task:%s not source task, no need to start", pTask->id.idStr);
+      streamMetaReleaseTask(pStreamMeta, pTask);
       continue;
     }
 
-    // check if offset value exists
-    char key[128] = {0};
-    createStreamTaskOffsetKey(key, pTask->id.streamId, pTask->id.taskId);
+    if (streamTaskShouldStop(&pTask->status) || status == TASK_STATUS__RECOVER_PREPARE ||
+        status == TASK_STATUS__WAIT_DOWNSTREAM) {
+      tqDebug("s-task:%s skip push data, not ready for processing, status %d", pTask->id.idStr, status);
+      streamMetaReleaseTask(pStreamMeta, pTask);
+      continue;
+    }
 
     if (tInputQueueIsFull(pTask)) {
       tqDebug("vgId:%d s-task:%s input queue is full, do nothing", vgId, pTask->id.idStr);
+      streamMetaReleaseTask(pStreamMeta, pTask);
       continue;
     }
 
     *pScanIdle = false;
 
-    // check if offset value exists
-    STqOffset* pOffset = tqOffsetRead(pOffsetStore, key);
-    ASSERT(pOffset != NULL);
-
     // seek the stored version and extract data from WAL
-    int32_t code = walReadSeekVer(pTask->exec.pWalReader, pOffset->val.version);
+    int32_t code = walReadSeekVer(pTask->exec.pWalReader, pTask->chkInfo.currentVer);
     if (code != TSDB_CODE_SUCCESS) {  // no data in wal, quit
+      streamMetaReleaseTask(pStreamMeta, pTask);
       continue;
     }
 
     // append the data for the stream
-    tqDebug("vgId:%d wal reader seek to ver:%" PRId64 " %s", vgId, pOffset->val.version, pTask->id.idStr);
+    tqDebug("vgId:%d s-task:%s wal reader seek to ver:%" PRId64, vgId, pTask->id.idStr, pTask->chkInfo.currentVer);
 
     SPackedData packData = {0};
     code = extractSubmitMsgFromWal(pTask->exec.pWalReader, &packData);
     if (code != TSDB_CODE_SUCCESS) {  // failed, continue
+      streamMetaReleaseTask(pStreamMeta, pTask);
       continue;
     }
 
@@ -137,28 +141,32 @@ int32_t streamTaskReplayWal(SStreamMeta* pStreamMeta, STqOffsetStore* pOffsetSto
     if (p == NULL) {
       terrno = TSDB_CODE_OUT_OF_MEMORY;
       tqError("%s failed to create data submit for stream since out of memory", pTask->id.idStr);
+      streamMetaReleaseTask(pStreamMeta, pTask);
       continue;
     }
 
-    allWalChecked = false;
+    noNewDataInWal = false;
 
-    tqDebug("s-task:%s submit data extracted from WAL", pTask->id.idStr);
     code = tqAddInputBlockNLaunchTask(pTask, (SStreamQueueItem*)p, packData.ver);
     if (code == TSDB_CODE_SUCCESS) {
-      pOffset->val.version = walReaderGetCurrentVer(pTask->exec.pWalReader);
+      pTask->chkInfo.currentVer = walReaderGetCurrentVer(pTask->exec.pWalReader);
       tqDebug("s-task:%s set the ver:%" PRId64 " from WALReader after extract block from WAL", pTask->id.idStr,
-              pOffset->val.version);
+              pTask->chkInfo.currentVer);
     } else {
-      // do nothing
+      tqError("s-task:%s append input queue failed, ver:%"PRId64, pTask->id.idStr, pTask->chkInfo.currentVer);
     }
 
     streamDataSubmitDestroy(p);
     taosFreeQitem(p);
+    streamMetaReleaseTask(pStreamMeta, pTask);
   }
 
-  if (allWalChecked) {
+  // all wal are checked, and no new data available in wal.
+  if (noNewDataInWal) {
     *pScanIdle = true;
   }
+
+  taosArrayDestroy(pTaskIdList);
   return 0;
 }
 
diff --git a/source/dnode/vnode/src/tq/tqUtil.c b/source/dnode/vnode/src/tq/tqUtil.c
index ab1be15271cdaf87af15131e7d54931ec8afe02b..128ddedf6da01eeaf672cc993fea7f354eed50da 100644
--- a/source/dnode/vnode/src/tq/tqUtil.c
+++ b/source/dnode/vnode/src/tq/tqUtil.c
@@ -25,21 +25,6 @@ char* createStreamTaskIdStr(int64_t streamId, int32_t taskId) {
   return taosStrdup(buf);
 }
 
-// stream_task:stream_id:task_id
-void createStreamTaskOffsetKey(char* dst, uint64_t streamId, uint32_t taskId) {
-  int32_t n = 12;
-  char* p = dst;
-
-  memcpy(p, "stream_task:", n);
-  p += n;
-
-  int32_t inc = tintToHex(streamId, p);
-  p += inc;
-
-  *(p++) = ':';
-  tintToHex(taskId, p);
-}
-
 int32_t tqAddInputBlockNLaunchTask(SStreamTask* pTask, SStreamQueueItem* pQueueItem, int64_t ver) {
   int32_t code = tAppendDataToInputQueue(pTask, pQueueItem);
   if (code < 0) {
@@ -55,75 +40,6 @@ int32_t tqAddInputBlockNLaunchTask(SStreamTask* pTask, SStreamQueueItem* pQueueI
   return TSDB_CODE_SUCCESS;
 }
 
-void initOffsetForAllRestoreTasks(STQ* pTq) {
-  void* pIter = NULL;
-
-  while(1) {
-    pIter = taosHashIterate(pTq->pStreamMeta->pTasks, pIter);
-    if (pIter == NULL) {
-      break;
-    }
-
-    SStreamTask* pTask = *(SStreamTask**)pIter;
-    if (pTask->taskLevel != TASK_LEVEL__SOURCE) {
-      continue;
-    }
-
-    if (pTask->status.taskStatus == TASK_STATUS__RECOVER_PREPARE || pTask->status.taskStatus == TASK_STATUS__WAIT_DOWNSTREAM) {
-      tqDebug("s-task:%s skip push data, since not ready, status %d", pTask->id.idStr, pTask->status.taskStatus);
-      continue;
-    }
-
-    char key[128] = {0};
-    createStreamTaskOffsetKey(key, pTask->id.streamId, pTask->id.taskId);
-
-    STqOffset* pOffset = tqOffsetRead(pTq->pOffsetStore, key);
-    if (pOffset == NULL) {
-      doSaveTaskOffset(pTq->pOffsetStore, key, pTask->chkInfo.version);
-    }
-  }
-}
-
-void saveOffsetForAllTasks(STQ* pTq, int64_t ver) {
-  void* pIter = NULL;
-
-  while(1) {
-    pIter = taosHashIterate(pTq->pStreamMeta->pTasks, pIter);
-    if (pIter == NULL) {
-      break;
-    }
-
-    SStreamTask* pTask = *(SStreamTask**)pIter;
-    if (pTask->taskLevel != TASK_LEVEL__SOURCE) {
-      continue;
-    }
-
-    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;
-    }
-
-    char key[128] = {0};
-    createStreamTaskOffsetKey(key, pTask->id.streamId, pTask->id.taskId);
-
-    STqOffset* pOffset = tqOffsetRead(pTq->pOffsetStore, key);
-    if (pOffset == NULL) {
-      doSaveTaskOffset(pTq->pOffsetStore, key, ver);
-    }
-  }
-}
-
-void doSaveTaskOffset(STqOffsetStore* pOffsetStore, const char* pKey, int64_t ver) {
-  STqOffset offset = {0};
-  tqOffsetResetToLog(&offset.val, ver);
-
-  tstrncpy(offset.subKey, pKey, tListLen(offset.subKey));
-
-  // keep the offset info in the offset store
-  tqOffsetWrite(pOffsetStore, &offset);
-}
-
 static int32_t tqInitDataRsp(SMqDataRsp* pRsp, const SMqPollReq* pReq, int8_t subType) {
   pRsp->reqOffset = pReq->reqOffset;
 
diff --git a/source/libs/executor/src/executor.c b/source/libs/executor/src/executor.c
index 1732ec04a77f54d10ab57a31aae663ea5e47e9d2..546cd18cdae64aa8725593417b8d685c5d5af1d9 100644
--- a/source/libs/executor/src/executor.c
+++ b/source/libs/executor/src/executor.c
@@ -1108,6 +1108,11 @@ int32_t qStreamPrepareScan(qTaskInfo_t tinfo, STqOffsetVal* pOffset, int8_t subT
       pScanBaseInfo->dataReader = NULL;
 
       // let's seek to the next version in wal file
+      int64_t firstVer = walGetFirstVer(pInfo->tqReader->pWalReader->pWal);
+      if (pOffset->version + 1 < firstVer){
+        pOffset->version = firstVer - 1;
+      }
+
       if (tqSeekVer(pInfo->tqReader, pOffset->version + 1, id) < 0) {
         qError("tqSeekVer failed ver:%" PRId64 ", %s", pOffset->version + 1, id);
         return -1;
diff --git a/source/libs/executor/src/timewindowoperator.c b/source/libs/executor/src/timewindowoperator.c
index 007a6f63d16d59da4b648f43803a058963a6c487..be2bd0e6e2ac0d8e099a24f8c077d54db868f102 100644
--- a/source/libs/executor/src/timewindowoperator.c
+++ b/source/libs/executor/src/timewindowoperator.c
@@ -2541,6 +2541,20 @@ static SSDataBlock* doStreamFinalIntervalAgg(SOperatorInfo* pOperator) {
   }
 
   while (1) {
+    if (isTaskKilled(pTaskInfo)) {
+
+      if (pInfo->pUpdated != NULL) {
+        pInfo->pUpdated = taosArrayDestroy(pInfo->pUpdated);
+      }
+
+      if (pInfo->pUpdatedMap != NULL) {
+        tSimpleHashCleanup(pInfo->pUpdatedMap);
+        pInfo->pUpdatedMap = NULL;
+      }
+
+      T_LONG_JMP(pTaskInfo->env, pTaskInfo->code);
+    }
+
     SSDataBlock* pBlock = downstream->fpSet.getNextFn(downstream);
     if (pBlock == NULL) {
       pOperator->status = OP_RES_TO_RETURN;
@@ -2635,6 +2649,7 @@ static SSDataBlock* doStreamFinalIntervalAgg(SOperatorInfo* pOperator) {
   while ((pIte = tSimpleHashIterate(pInfo->pUpdatedMap, pIte, &iter)) != NULL) {
     taosArrayPush(pInfo->pUpdated, pIte);
   }
+
   tSimpleHashCleanup(pInfo->pUpdatedMap);
   pInfo->pUpdatedMap = NULL;
   taosArraySort(pInfo->pUpdated, winKeyCmprImpl);
diff --git a/source/libs/function/CMakeLists.txt b/source/libs/function/CMakeLists.txt
index 9d11d7b376b0de0e3f8b8fb5ad533cab72c90c19..f23b4d3e8762951a791529930781f657294c7d13 100644
--- a/source/libs/function/CMakeLists.txt
+++ b/source/libs/function/CMakeLists.txt
@@ -79,6 +79,26 @@ ENDIF ()
 target_link_libraries(
     udf1 PUBLIC os ${LINK_JEMALLOC})
 
+
+add_library(udf1_dup STATIC MODULE test/udf1_dup.c)
+target_include_directories(
+        udf1_dup
+        PUBLIC
+            "${TD_SOURCE_DIR}/include/libs/function"
+            "${TD_SOURCE_DIR}/include/util"
+            "${TD_SOURCE_DIR}/include/common"
+            "${TD_SOURCE_DIR}/include/client"
+            "${TD_SOURCE_DIR}/include/os"
+        PRIVATE "${CMAKE_CURRENT_SOURCE_DIR}/inc"
+)
+
+IF (TD_LINUX_64 AND JEMALLOC_ENABLED)
+    ADD_DEPENDENCIES(udf1_dup jemalloc)
+ENDIF ()
+
+target_link_libraries(
+    udf1_dup PUBLIC os ${LINK_JEMALLOC})
+
 add_library(udf2 STATIC MODULE test/udf2.c)
 target_include_directories(
         udf2
@@ -99,6 +119,26 @@ target_link_libraries(
     udf2 PUBLIC os ${LINK_JEMALLOC}
 )
 
+add_library(udf2_dup STATIC MODULE test/udf2_dup.c)
+target_include_directories(
+        udf2_dup
+        PUBLIC
+            "${TD_SOURCE_DIR}/include/libs/function"
+            "${TD_SOURCE_DIR}/include/util"
+            "${TD_SOURCE_DIR}/include/common"
+            "${TD_SOURCE_DIR}/include/client"
+            "${TD_SOURCE_DIR}/include/os"
+        PRIVATE "${CMAKE_CURRENT_SOURCE_DIR}/inc"
+)
+
+IF (TD_LINUX_64 AND JEMALLOC_ENABLED)
+    ADD_DEPENDENCIES(udf2_dup jemalloc)
+ENDIF ()
+
+target_link_libraries(
+    udf2_dup PUBLIC os ${LINK_JEMALLOC}
+)
+
 #SET(EXECUTABLE_OUTPUT_PATH ${CMAKE_BINARY_DIR}/build/bin)
 add_executable(udfd src/udfd.c)
 target_include_directories(
diff --git a/source/libs/function/test/udf1_dup.c b/source/libs/function/test/udf1_dup.c
new file mode 100644
index 0000000000000000000000000000000000000000..c251192da34568741f0058c61999e5aebf1c56d2
--- /dev/null
+++ b/source/libs/function/test/udf1_dup.c
@@ -0,0 +1,42 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#ifdef LINUX
+#include <unistd.h>
+#endif
+#ifdef WINDOWS
+#include <windows.h>
+#endif
+#include "taosudf.h"
+
+
+DLL_EXPORT int32_t udf1_dup_init() { return 0; }
+
+DLL_EXPORT int32_t udf1_dup_destroy() { return 0; }
+
+DLL_EXPORT int32_t udf1_dup(SUdfDataBlock *block, SUdfColumn *resultCol) {
+  SUdfColumnData *resultData = &resultCol->colData;
+  for (int32_t i = 0; i < block->numOfRows; ++i) {
+    int j = 0;
+    for (; j < block->numOfCols; ++j) {
+      if (udfColDataIsNull(block->udfCols[j], i)) {
+        udfColDataSetNull(resultCol, i);
+        break;
+      }
+    }
+    if (j == block->numOfCols) {
+      int32_t luckyNum = 2;
+      udfColDataSet(resultCol, i, (char *)&luckyNum, false);
+    }
+  }
+  // to simulate actual processing delay by udf
+#ifdef LINUX
+  usleep(1 * 1000);  // usleep takes sleep time in us (1 millionth of a second)
+#endif
+#ifdef WINDOWS
+  Sleep(1);
+#endif
+  resultData->numOfRows = block->numOfRows;
+  return 0;
+}
+
diff --git a/source/libs/function/test/udf2_dup.c b/source/libs/function/test/udf2_dup.c
new file mode 100644
index 0000000000000000000000000000000000000000..1a98190823c4510b24b1bac2d053dc3060973744
--- /dev/null
+++ b/source/libs/function/test/udf2_dup.c
@@ -0,0 +1,78 @@
+#include <math.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "taosudf.h"
+
+DLL_EXPORT int32_t udf2_dup_init() { return 0; }
+
+DLL_EXPORT int32_t udf2_dup_destroy() { return 0; }
+
+DLL_EXPORT int32_t udf2_dup_start(SUdfInterBuf* buf) {
+  *(int64_t*)(buf->buf) = 0;
+  buf->bufLen = sizeof(double);
+  buf->numOfResult = 1;
+  return 0;
+}
+
+DLL_EXPORT int32_t udf2_dup(SUdfDataBlock* block, SUdfInterBuf* interBuf, SUdfInterBuf* newInterBuf) {
+  double sumSquares = 0;
+  if (interBuf->numOfResult == 1) {
+    sumSquares = *(double*)interBuf->buf;
+  }
+  int8_t numNotNull = 0;
+  for (int32_t i = 0; i < block->numOfCols; ++i) {
+    SUdfColumn* col = block->udfCols[i];
+    if (!(col->colMeta.type == TSDB_DATA_TYPE_INT || col->colMeta.type == TSDB_DATA_TYPE_DOUBLE)) {
+      return TSDB_CODE_UDF_INVALID_INPUT;
+    }
+  }
+  for (int32_t i = 0; i < block->numOfCols; ++i) {
+    for (int32_t j = 0; j < block->numOfRows; ++j) {
+      SUdfColumn* col = block->udfCols[i];
+      if (udfColDataIsNull(col, j)) {
+        continue;
+      }
+      switch (col->colMeta.type) {
+        case TSDB_DATA_TYPE_INT: {
+          char*   cell = udfColDataGetData(col, j);
+          int32_t num = *(int32_t*)cell;
+          sumSquares += (double)num * num;
+          break;
+        }
+        case TSDB_DATA_TYPE_DOUBLE: {
+          char*  cell = udfColDataGetData(col, j);
+          double num = *(double*)cell;
+          sumSquares += num * num;
+          break;
+        }
+        default:
+          break;
+      }
+      ++numNotNull;
+    }
+  }
+
+  *(double*)(newInterBuf->buf) = sumSquares;
+  newInterBuf->bufLen = sizeof(double);
+
+  if (interBuf->numOfResult == 0 && numNotNull == 0) {
+    newInterBuf->numOfResult = 0;
+  } else {
+    newInterBuf->numOfResult = 1;
+  }
+  return 0;
+}
+
+DLL_EXPORT int32_t udf2_dup_finish(SUdfInterBuf* buf, SUdfInterBuf* resultData) {
+  if (buf->numOfResult == 0) {
+    resultData->numOfResult = 0;
+    return 0;
+  }
+  double sumSquares = *(double*)(buf->buf);
+  *(double*)(resultData->buf) = sqrt(sumSquares) + 100;
+  resultData->bufLen = sizeof(double);
+  resultData->numOfResult = 1;
+  return 0;
+}
diff --git a/source/libs/parser/src/parInsertStmt.c b/source/libs/parser/src/parInsertStmt.c
index 01a635e4b2d34bbb7982d45400429ac323e9547e..922a0f45ff38fba30fc4b766a3b6427026b49b36 100644
--- a/source/libs/parser/src/parInsertStmt.c
+++ b/source/libs/parser/src/parInsertStmt.c
@@ -251,7 +251,7 @@ int32_t qBindStmtColsValue(void* pBlock, TAOS_MULTI_BIND* bind, char* msgBuf, in
       goto _return;
     }
 
-    if (bind[c].buffer_type != pColSchema->type) {
+    if ((!(rowNum == 1 && bind[c].is_null && *bind[c].is_null)) && bind[c].buffer_type != pColSchema->type) { // for rowNum ==1 , connector may not set buffer_type
       code = buildInvalidOperationMsg(&pBuf, "column type mis-match with buffer type");
       goto _return;
     }
diff --git a/source/libs/parser/src/parTokenizer.c b/source/libs/parser/src/parTokenizer.c
index 312584994fe593085a83dca11e763b9ef4d4410b..49da87dc1685f3c9d2d03d861eb3dce8e029fd38 100644
--- a/source/libs/parser/src/parTokenizer.c
+++ b/source/libs/parser/src/parTokenizer.c
@@ -692,7 +692,7 @@ SToken tStrGetToken(const char* str, int32_t* i, bool isPrevOptr, bool* pIgnoreC
     len = tGetToken(&str[*i + t0.n + 1], &type);
 
     // only id and string are valid
-    if ((TK_NK_STRING != t0.type) && (TK_NK_ID != t0.type)) {
+    if (((TK_NK_STRING != t0.type) && (TK_NK_ID != t0.type)) || ((TK_NK_STRING != type) && (TK_NK_ID != type))) {
       t0.type = TK_NK_ILLEGAL;
       t0.n = 0;
 
diff --git a/source/libs/planner/src/planOptimizer.c b/source/libs/planner/src/planOptimizer.c
index 52bb03466c2800c93f663f706300eb2b7695d8ae..effbbc161e465e0fac6ced24136c318ccc30d2a5 100644
--- a/source/libs/planner/src/planOptimizer.c
+++ b/source/libs/planner/src/planOptimizer.c
@@ -2526,7 +2526,7 @@ static bool tbCntScanOptIsEligibleAggFuncs(SNodeList* pAggFuncs) {
       return false;
     }
   }
-  return true;
+  return LIST_LENGTH(pAggFuncs) > 0;
 }
 
 static bool tbCntScanOptIsEligibleAgg(SAggLogicNode* pAgg) {
diff --git a/source/libs/stream/src/stream.c b/source/libs/stream/src/stream.c
index 0f000f1f5017e6bf1cd737ee424a4ed72654ac5f..86ba91f76de730b73d94535d38e1c31b67604714 100644
--- a/source/libs/stream/src/stream.c
+++ b/source/libs/stream/src/stream.c
@@ -16,7 +16,7 @@
 #include "streamInc.h"
 #include "ttimer.h"
 
-#define STREAM_TASK_INPUT_QUEUEU_CAPACITY 100000
+#define STREAM_TASK_INPUT_QUEUEU_CAPACITY 3000
 
 int32_t streamInit() {
   int8_t old;
diff --git a/source/libs/stream/src/streamExec.c b/source/libs/stream/src/streamExec.c
index 9a6ff302efc3b470f9e71caf07e2d0ae9d70a13f..325d315262c5cfc64ee3b5e9b9ff0e77230405e5 100644
--- a/source/libs/stream/src/streamExec.c
+++ b/source/libs/stream/src/streamExec.c
@@ -17,6 +17,11 @@
 
 #define STREAM_EXEC_MAX_BATCH_NUM 100
 
+bool streamTaskShouldStop(const SStreamStatus* pStatus) {
+  int32_t status = atomic_load_8((int8_t*) &pStatus->taskStatus);
+  return (status == TASK_STATUS__STOP) || (status == TASK_STATUS__DROPPING);
+}
+
 static int32_t streamTaskExecImpl(SStreamTask* pTask, const void* data, SArray* pRes) {
   int32_t code = TSDB_CODE_SUCCESS;
   void*   pExecutor = pTask->exec.pExecutor;
@@ -66,7 +71,7 @@ static int32_t streamTaskExecImpl(SStreamTask* pTask, const void* data, SArray*
 
   // pExecutor
   while (1) {
-    if (pTask->status.taskStatus == TASK_STATUS__DROPPING) {
+    if (streamTaskShouldStop(&pTask->status)) {
       return 0;
     }
 
@@ -106,7 +111,7 @@ static int32_t streamTaskExecImpl(SStreamTask* pTask, const void* data, SArray*
       continue;
     }
 
-    qDebug("task %d(child %d) executed and get block", pTask->id.taskId, pTask->selfChildId);
+    qDebug("s-task:%s (child %d) executed and get block", pTask->id.idStr, pTask->selfChildId);
 
     SSDataBlock block = {0};
     assignOneDataBlock(&block, output);
@@ -134,7 +139,7 @@ int32_t streamScanExec(SStreamTask* pTask, int32_t batchSz) {
 
     int32_t batchCnt = 0;
     while (1) {
-      if (atomic_load_8(&pTask->status.taskStatus) == TASK_STATUS__DROPPING) {
+      if (streamTaskShouldStop(&pTask->status)) {
         taosArrayDestroy(pRes);
         return 0;
       }
@@ -270,7 +275,7 @@ int32_t streamExecForAll(SStreamTask* pTask) {
       }
     }
 
-    if (pTask->status.taskStatus == TASK_STATUS__DROPPING) {
+    if (streamTaskShouldStop(&pTask->status)) {
       if (pInput) {
         streamFreeQitem(pInput);
       }
@@ -301,7 +306,7 @@ int32_t streamExecForAll(SStreamTask* pTask) {
              ", checkPoint id:%" PRId64 " -> %" PRId64,
              pTask->id.idStr, pTask->chkInfo.version, dataVer, pTask->chkInfo.id, ckId);
 
-      pTask->chkInfo = (SCheckpointInfo) {.version = dataVer, .id = ckId};
+      pTask->chkInfo = (SCheckpointInfo) {.version = dataVer, .id = ckId, .currentVer = pTask->chkInfo.currentVer};
 
       taosWLockLatch(&pTask->pMeta->lock);
       streamMetaSaveTask(pTask->pMeta, pTask);
@@ -368,7 +373,7 @@ int32_t streamTryExec(SStreamTask* pTask) {
     atomic_store_8(&pTask->status.schedStatus, TASK_SCHED_STATUS__INACTIVE);
     qDebug("s-task:%s exec completed", pTask->id.idStr);
 
-    if (!taosQueueEmpty(pTask->inputQueue->queue)) {
+    if (!taosQueueEmpty(pTask->inputQueue->queue) && (!streamTaskShouldStop(&pTask->status))) {
       streamSchedExec(pTask);
     }
   }
diff --git a/source/libs/stream/src/streamMeta.c b/source/libs/stream/src/streamMeta.c
index c9ea0c382aa4c0f93345e8683553253de91e5405..065e9d280f41834a35fff2409a9006e8a61bbd6f 100644
--- a/source/libs/stream/src/streamMeta.c
+++ b/source/libs/stream/src/streamMeta.c
@@ -84,11 +84,6 @@ void streamMetaClose(SStreamMeta* pMeta) {
   tdbClose(pMeta->db);
 
   void* pIter = NULL;
-//  while(pMeta->walScan) {
-//    qDebug("wait stream daemon quit");
-//    taosMsleep(100);
-//  }
-
   while (1) {
     pIter = taosHashIterate(pMeta->pTasks, pIter);
     if (pIter == NULL) {
@@ -102,7 +97,6 @@ void streamMetaClose(SStreamMeta* pMeta) {
     }
 
     tFreeStreamTask(pTask);
-    /*streamMetaReleaseTask(pMeta, pTask);*/
   }
 
   taosHashCleanup(pMeta->pTasks);
@@ -197,10 +191,12 @@ 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)->status.taskStatus)) != TASK_STATUS__DROPPING)) {
-    atomic_add_fetch_32(&(*ppTask)->refCnt, 1);
-    taosRUnLockLatch(&pMeta->lock);
-    return *ppTask;
+  if (ppTask != NULL) {
+    if (!streamTaskShouldStop(&(*ppTask)->status)) {
+      atomic_add_fetch_32(&(*ppTask)->refCnt, 1);
+      taosRUnLockLatch(&pMeta->lock);
+      return *ppTask;
+    }
   }
 
   taosRUnLockLatch(&pMeta->lock);
@@ -211,7 +207,7 @@ 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->status.taskStatus) == TASK_STATUS__DROPPING);
+    ASSERT(streamTaskShouldStop(&pTask->status));
     tFreeStreamTask(pTask);
   }
 }
@@ -222,11 +218,8 @@ void streamMetaRemoveTask(SStreamMeta* pMeta, int32_t taskId) {
     SStreamTask* pTask = *ppTask;
     taosHashRemove(pMeta->pTasks, &taskId, sizeof(int32_t));
     tdbTbDelete(pMeta->pTaskDb, &taskId, sizeof(int32_t), pMeta->txn);
-    /*if (pTask->timer) {
-     * taosTmrStop(pTask->timer);*/
-    /*pTask->timer = NULL;*/
-    /*}*/
-    atomic_store_8(&pTask->status.taskStatus, TASK_STATUS__DROPPING);
+
+    atomic_store_8(&pTask->status.taskStatus, TASK_STATUS__STOP);
 
     taosWLockLatch(&pMeta->lock);
     streamMetaReleaseTask(pMeta, pTask);
diff --git a/source/os/src/osSocket.c b/source/os/src/osSocket.c
index 7d2c8aa4e5454c4c9cf22fe0f7bdb40ab90690ac..2b2a0daf7b4d0bf7e69552c442a047bd9f32e0a5 100644
--- a/source/os/src/osSocket.c
+++ b/source/os/src/osSocket.c
@@ -1008,7 +1008,7 @@ int32_t taosGetFqdn(char *fqdn) {
   // hints.ai_family = AF_INET;
   strcpy(fqdn, hostname);
   strcpy(fqdn + strlen(hostname), ".local");
-#else   // __APPLE__
+#else   // linux
   struct addrinfo  hints = {0};
   struct addrinfo *result = NULL;
   hints.ai_flags = AI_CANONNAME;
@@ -1020,7 +1020,7 @@ int32_t taosGetFqdn(char *fqdn) {
   }
   strcpy(fqdn, result->ai_canonname);
   freeaddrinfo(result);
-#endif  // __APPLE__
+#endif  // linux
 
   return 0;
 }
diff --git a/source/util/src/tlog.c b/source/util/src/tlog.c
index a3d3c399abcd6040cf042dec045024549e2d3179..2a18f420cd0a74f6205f522784047c67c547a4b0 100644
--- a/source/util/src/tlog.c
+++ b/source/util/src/tlog.c
@@ -17,7 +17,6 @@
 #include "tlog.h"
 #include "os.h"
 #include "tconfig.h"
-#include "tutil.h"
 #include "tjson.h"
 #include "tglobal.h"
 
@@ -781,65 +780,6 @@ bool taosAssertDebug(bool condition, const char *file, int32_t line, const char
   return true;
 }
 
-int32_t taosGenCrashJsonMsg(int signum, char** pMsg, int64_t clusterId, int64_t startTime) {
-  SJson* pJson = tjsonCreateObject();
-  if (pJson == NULL) return -1;
-  char tmp[4096] = {0};
-
-  tjsonAddDoubleToObject(pJson, "reportVersion", 1);
-
-  tjsonAddIntegerToObject(pJson, "clusterId", clusterId);
-  tjsonAddIntegerToObject(pJson, "startTime", startTime);
-
-  taosGetFqdn(tmp);  
-  tjsonAddStringToObject(pJson, "fqdn", tmp);
-  
-  tjsonAddIntegerToObject(pJson, "pid", taosGetPId());
-
-  taosGetAppName(tmp, NULL);
-  tjsonAddStringToObject(pJson, "appName", tmp);  
-
-  if (taosGetOsReleaseName(tmp, sizeof(tmp)) == 0) {
-    tjsonAddStringToObject(pJson, "os", tmp);
-  }
-
-  float numOfCores = 0;
-  if (taosGetCpuInfo(tmp, sizeof(tmp), &numOfCores) == 0) {
-    tjsonAddStringToObject(pJson, "cpuModel", tmp);
-    tjsonAddDoubleToObject(pJson, "numOfCpu", numOfCores);
-  } else {
-    tjsonAddDoubleToObject(pJson, "numOfCpu", tsNumOfCores);
-  }
-
-  snprintf(tmp, sizeof(tmp), "%" PRId64 " kB", tsTotalMemoryKB);
-  tjsonAddStringToObject(pJson, "memory", tmp);
-
-  tjsonAddStringToObject(pJson, "version", version);
-  tjsonAddStringToObject(pJson, "buildInfo", buildinfo);
-  tjsonAddStringToObject(pJson, "gitInfo", gitinfo);
-
-  tjsonAddIntegerToObject(pJson, "crashSig", signum);
-  tjsonAddIntegerToObject(pJson, "crashTs", taosGetTimestampUs());
-
-#ifdef _TD_DARWIN_64
-  taosLogTraceToBuf(tmp, sizeof(tmp), 4);
-#elif !defined(WINDOWS)
-  taosLogTraceToBuf(tmp, sizeof(tmp), 3);
-#else
-  taosLogTraceToBuf(tmp, sizeof(tmp), 8);
-#endif
-
-  tjsonAddStringToObject(pJson, "stackInfo", tmp);
-  
-  char* pCont = tjsonToString(pJson);
-  tjsonDelete(pJson);
-
-  *pMsg = pCont;
-
-  return TSDB_CODE_SUCCESS;
-}
-
-
 void taosLogCrashInfo(char* nodeType, char* pMsg, int64_t msgLen, int signum, void *sigInfo) {
   const char *flags = "UTL FATAL ";
   ELogLevel   level = DEBUG_FATAL;
diff --git a/tests/parallel_test/container_build.sh b/tests/parallel_test/container_build.sh
index 80236cf604d63e4d9c8fdddfa81aeaf16fb64944..cfb5a26723602cee56f5e3332cc8a47bd4a3ec92 100755
--- a/tests/parallel_test/container_build.sh
+++ b/tests/parallel_test/container_build.sh
@@ -68,8 +68,8 @@ docker run \
     -v ${REP_REAL_PATH}/community/contrib/libuv/:${REP_DIR}/community/contrib/libuv \
     -v ${REP_REAL_PATH}/community/contrib/lz4/:${REP_DIR}/community/contrib/lz4 \
     -v ${REP_REAL_PATH}/community/contrib/zlib/:${REP_DIR}/community/contrib/zlib \
+    -v ${REP_REAL_PATH}/community/contrib/jemalloc/:${REP_DIR}/community/contrib/jemalloc \
     --rm --ulimit core=-1 taos_test:v1.0 sh -c "pip uninstall taospy -y;pip3 install taospy==2.7.2;cd $REP_DIR;rm -rf debug;mkdir -p debug;cd debug;cmake .. -DBUILD_HTTP=false -DBUILD_TOOLS=true -DBUILD_TEST=true -DWEBSOCKET=true -DBUILD_TAOSX=true -DJEMALLOC_ENABLED=true;make -j || exit 1"
- # -v ${REP_REAL_PATH}/community/contrib/jemalloc/:${REP_DIR}/community/contrib/jemalloc \
 
 if [[ -d ${WORKDIR}/debugNoSan  ]] ;then
     echo "delete  ${WORKDIR}/debugNoSan"
diff --git a/tests/script/tsim/query/tableCount.sim b/tests/script/tsim/query/tableCount.sim
index d8d9bb9b03e227ce3e54d0d1c84071268b768774..ac5e23273af20afb9ff223b885e54c85cdce11ef 100644
--- a/tests/script/tsim/query/tableCount.sim
+++ b/tests/script/tsim/query/tableCount.sim
@@ -104,4 +104,9 @@ if $data62 != 5 then
   return -1
 endi
 
+sql select distinct db_name from information_schema.ins_tables;
+print $rows
+if $rows != 4 then
+  return -1
+endi
 system sh/exec.sh -n dnode1 -s stop -x SIGINT
diff --git a/tests/script/tsim/stream/basic1.sim b/tests/script/tsim/stream/basic1.sim
index 15ca6bf7c924bb7cffba8f0607cb0a5c1fea95cb..65032817b31c6aa2060b7c681d87801d73f7c84b 100644
--- a/tests/script/tsim/stream/basic1.sim
+++ b/tests/script/tsim/stream/basic1.sim
@@ -37,7 +37,7 @@ if $loop_count == 20 then
 endi
 
 if $rows != 4 then
-  print =====rows=$rows, expect 4
+  print =====rows=$rows  expect 4
   goto loop0
 endi
 
diff --git a/tests/system-test/0-others/TS-3131.tsql b/tests/system-test/0-others/TS-3131.tsql
new file mode 100644
index 0000000000000000000000000000000000000000..6d4b4c53f4800a416020b9e0c6f829eee5a56909
--- /dev/null
+++ b/tests/system-test/0-others/TS-3131.tsql
@@ -0,0 +1,71 @@
+drop database if exists d0;
+create database d0 replica 1 keep 365 minRows 100 maxRows 4096 comp 2 vgroups 2 precision 'ms';
+use d0;
+create table if not exists almlog (starttime timestamp,endtime timestamp,durationtime int, alarmno int, alarmtext nchar(256),isactive nchar(64)) tags (mcid nchar(16));
+create table if not exists mplog (starttime timestamp,mpid int, paravalue nchar(256),mptype nchar(32)) tags (mcid nchar(16));
+create table if not exists mdlog (starttime timestamp,endtime timestamp,durationtime int, statuscode int, npcgmname nchar(256),attr int) tags (mcid nchar(16));
+create table if not exists nrglog (updatetime timestamp,energyvalue double,enerygyincrease double) tags (mcid nchar(16),enerygytype nchar(16));
+
+create table almlog_m201 using almlog tags("m201");
+create table almlog_m0103 using almlog tags("m0103");
+create table almlog_m0103_20031 using almlog tags("m0103");
+create table almlog_m0103_20032 using almlog tags("m0103");
+create table almlog_m0103_3003 using almlog tags("m0103");
+create table almlog_m0103_20033 using almlog tags("m0103");
+create table almlog_m0103_30031 using almlog tags("m0103");
+create table almlog_m0201 using almlog tags("m0201");
+create table almlog_m0102 using almlog tags("m0102");
+create table almlog_m0101 using almlog tags("m0101");
+create table almlog_m1002 using almlog tags("m1002");
+
+create table mplog_m0204_4 using mplog tags("m0204");
+create table mplog_m0204_5 using mplog tags("m0204");
+create table mplog_m0204_6 using mplog tags("m0204");
+create table mplog_m0204_12 using mplog tags("m0204");
+create table mplog_m0204 using mplog tags("m0204");
+create table mplog_m201 using mplog tags("m201");
+create table mplog_m0102 using mplog tags("m0102");
+create table mplog_m1101 using mplog tags("m1101");
+
+create table mdlog_m0102 using mplog tags("m0102");
+create table mdlog_m0504 using mplog tags("m0504");
+create table mdlog_m0505 using mplog tags("m0505");
+create table mdlog_m0507 using mplog tags("m0507");
+create table mdlog_m1002 using mplog tags("m1002");
+create table mdlog_m3201 using mplog tags("m3201");
+create table mdlog_m0201 using mplog tags("m0201");
+create table mdlog_m1102 using mplog tags("m1102");
+create table mdlog_m201 using mplog tags("m201");
+
+create table nrglog_m201_electricvalue1 using nrglog tags("m201","electricValue1");
+create table nrglog_m201_oilvalue1 using nrglog tags("m201","oilValue1");
+create table nrglog_m201_gasvalue1 using nrglog tags("m201","gasValue1");
+create table nrglog_m201_watervalue1 using nrglog tags("m201","waterValue1");
+create table nrglog_m0101_oilvalue1 using nrglog tags("m0101","oilValue1");
+create table nrglog_m0101_watervalue1 using nrglog tags("m0101","waterValue1");
+create table nrglog_m0102_gasvalue1 using nrglog tags("m0102","gasValue1");
+create table nrglog_m1903 using nrglog tags("m1903",NULL);
+create table nrglog_m2802 using nrglog tags("m2802",NULL);
+create table nrglog_m2101 using nrglog tags("m2101",NULL);
+create table nrglog_m0102 using nrglog tags("m0102",NULL);
+create table nrglog_m0101_electricvalue1 using nrglog tags("m0101","electricValue1");
+create table nrglog_m0101_gasvalue1 using nrglog tags("m0101","gasValue1");
+create table nrglog_m0102_electricvalue1 using nrglog tags("m0102","electricValue1");
+create table nrglog_m0102_oilvalue1 using nrglog tags("m0102","oilValue1");
+create table nrglog_m0102_watervalue1 using nrglog tags("m0102","waterValue1");
+
+
+insert into almlog_m0103 values(now,now+1s,10,0,'','dismissed');
+insert into almlog_m0103_20031 values(now,now+1s,10,20031,'','dismissed');
+insert into almlog_m0103_20032 values(now,now+1s,10,20032,'','dismissed');
+insert into almlog_m0103_3003 values(now,now+1s,10,3003,'','dismissed');
+insert into almlog_m0103_20033 values(now,now+1s,10,20033,'','dismissed');
+insert into almlog_m0103_30031 values(now,now+1s,10,30031,'','dismissed');
+
+flush database d0;
+
+show table tags from almlog;
+
+select *,tbname from d0.almlog where mcid='m0103';
+
+select table_name from information_schema.ins_tables where db_name='d0';
diff --git a/tests/system-test/0-others/compa4096.json b/tests/system-test/0-others/compa4096.json
index 5cc5d2084dd52ccc198446698f9a745664aeb054..5e203ded45311e88654af35c498853246b687925 100644
--- a/tests/system-test/0-others/compa4096.json
+++ b/tests/system-test/0-others/compa4096.json
@@ -53,18 +53,8 @@
           "sample_format": "csv",
           "sample_file": "./sample.csv",
           "tags_file": "",
-          "columns": [
-            {
-              "type": "INT",
-              "count": 4094
-            }
-          ],
-          "tags": [
-            {
-              "type": "TINYINT",
-              "count": 1
-            }
-                     ]
+          "columns": [{ "type": "INT","count": 4093}],
+          "tags": [{"type": "TINYINT", "count": 1},{"type": "NCHAR","count": 1}]
         }
       ]
     }
diff --git a/tests/system-test/0-others/compatibility.py b/tests/system-test/0-others/compatibility.py
index 1922ebfb2f9d6c48c911214b3fe13d68a77e5d26..33d1dac4b5627dc67f98fdd72930841735ed7383 100644
--- a/tests/system-test/0-others/compatibility.py
+++ b/tests/system-test/0-others/compatibility.py
@@ -98,9 +98,12 @@ class TDTestCase:
 
     def buildTaosd(self,bPath):
         # os.system(f"mv {bPath}/build_bak  {bPath}/build ")
-        os.system(f" cd {bPath}  ")
-
+        os.system(f" cd {bPath} ")
 
+    def is_list_same_as_ordered_list(self,unordered_list, ordered_list):
+        sorted_list = sorted(unordered_list)
+        return sorted_list == ordered_list
+        
     def run(self):
         scriptsPath = os.path.dirname(os.path.realpath(__file__))
         distro_id = distro.id()
@@ -146,6 +149,8 @@ class TDTestCase:
         tdLog.info(" LD_LIBRARY_PATH=/usr/lib  taosBenchmark -f 0-others/compa4096.json -y  ")
         os.system("LD_LIBRARY_PATH=/usr/lib  taosBenchmark -f 0-others/compa4096.json -y")
         os.system("LD_LIBRARY_PATH=/usr/lib  taos -s 'flush database db4096 '")
+        os.system("LD_LIBRARY_PATH=/usr/lib  taos -f 0-others/TS-3131.tsql")
+
         cmd = f" LD_LIBRARY_PATH={bPath}/build/lib  {bPath}/build/bin/taos -h localhost ;"
         if os.system(cmd) == 0:
             raise Exception("failed to execute system command. cmd: %s" % cmd)
@@ -220,6 +225,17 @@ class TDTestCase:
                 tdLog.exit("%s(%d) failed" % args)
         tdsql.query("show streams;")
         tdsql.checkRows(2)
+        tdsql.query("select *,tbname from d0.almlog where mcid='m0103';")
+        tdsql.checkRows(6)
+        expectList = [0,3003,20031,20032,20033,30031]
+        resultList = []
+        for i in range(6):
+            resultList.append(tdsql.queryResult[i][3])
+        print(resultList)
+        if self.is_list_same_as_ordered_list(resultList,expectList):
+            print("The unordered list is the same as the ordered list.")
+        else:
+            tdlog.error("The unordered list is not the same as the ordered list.")
         tdsql.execute("insert into test.d80 values (now+1s, 11, 103, 0.21);")
         tdsql.execute("insert into test.d9 values (now+5s, 4.3, 104, 0.4);")
 
diff --git a/tests/system-test/0-others/udf_create.py b/tests/system-test/0-others/udf_create.py
index f467e802ac5d5f8adb15ef6b705d273e744270a3..ee1a0ef5b343ce1ec29edc2e5a7062b40525ee88 100644
--- a/tests/system-test/0-others/udf_create.py
+++ b/tests/system-test/0-others/udf_create.py
@@ -47,17 +47,27 @@ class TDTestCase:
 
         if platform.system().lower() == 'windows':
             self.libudf1 = subprocess.Popen('(for /r %s %%i in ("udf1.d*") do @echo %%i)|grep lib|head -n1'%projPath , shell=True, stdout=subprocess.PIPE,stderr=subprocess.STDOUT).stdout.read().decode("utf-8")
+            self.libudf1_dup = subprocess.Popen('(for /r %s %%i in ("udf1_dup.d*") do @echo %%i)|grep lib|head -n1'%projPath , shell=True, stdout=subprocess.PIPE,stderr=subprocess.STDOUT).stdout.read().decode("utf-8")
             self.libudf2 = subprocess.Popen('(for /r %s %%i in ("udf2.d*") do @echo %%i)|grep lib|head -n1'%projPath , shell=True, stdout=subprocess.PIPE,stderr=subprocess.STDOUT).stdout.read().decode("utf-8")
+            self.libudf2_dup = subprocess.Popen('(for /r %s %%i in ("udf2_dup.d*") do @echo %%i)|grep lib|head -n1'%projPath , shell=True, stdout=subprocess.PIPE,stderr=subprocess.STDOUT).stdout.read().decode("utf-8")
             if (not tdDnodes.dnodes[0].remoteIP == ""):
                 tdDnodes.dnodes[0].remote_conn.get(tdDnodes.dnodes[0].config["path"]+'/debug/build/lib/libudf1.so',projPath+"\\debug\\build\\lib\\")
+                tdDnodes.dnodes[0].remote_conn.get(tdDnodes.dnodes[0].config["path"]+'/debug/build/lib/libudf1_dup.so',projPath+"\\debug\\build\\lib\\")
                 tdDnodes.dnodes[0].remote_conn.get(tdDnodes.dnodes[0].config["path"]+'/debug/build/lib/libudf2.so',projPath+"\\debug\\build\\lib\\")
+                tdDnodes.dnodes[0].remote_conn.get(tdDnodes.dnodes[0].config["path"]+'/debug/build/lib/libudf2_dup.so',projPath+"\\debug\\build\\lib\\")
                 self.libudf1 = self.libudf1.replace('udf1.dll','libudf1.so')
+                self.libudf1_dup = self.libudf1_dup.replace('udf1_dup.dll','libudf1_dup.so')
                 self.libudf2 = self.libudf2.replace('udf2.dll','libudf2.so')
+                self.libudf2_dup = self.libudf2_dup.replace('udf2_dup.dll','libudf2_dup.so')
         else:
             self.libudf1 = subprocess.Popen('find %s -name "libudf1.so"|grep lib|head -n1'%projPath , shell=True, stdout=subprocess.PIPE,stderr=subprocess.STDOUT).stdout.read().decode("utf-8")
+            self.libudf1_dup = subprocess.Popen('find %s -name "libudf1_dup.so"|grep lib|head -n1'%projPath , shell=True, stdout=subprocess.PIPE,stderr=subprocess.STDOUT).stdout.read().decode("utf-8")
             self.libudf2 = subprocess.Popen('find %s -name "libudf2.so"|grep lib|head -n1'%projPath , shell=True, stdout=subprocess.PIPE,stderr=subprocess.STDOUT).stdout.read().decode("utf-8")
+            self.libudf2_dup = subprocess.Popen('find %s -name "libudf2_dup.so"|grep lib|head -n1'%projPath , shell=True, stdout=subprocess.PIPE,stderr=subprocess.STDOUT).stdout.read().decode("utf-8")
         self.libudf1 = self.libudf1.replace('\r','').replace('\n','')
+        self.libudf1_dup = self.libudf1_dup.replace('\r','').replace('\n','')
         self.libudf2 = self.libudf2.replace('\r','').replace('\n','')
+        self.libudf2_dup = self.libudf2_dup.replace('\r','').replace('\n','')
 
 
     def prepare_data(self):
@@ -174,10 +184,12 @@ class TDTestCase:
 
         # create  scalar functions
         tdSql.execute("create function udf1 as '%s' outputtype int;"%self.libudf1)
+        tdSql.execute("create function udf1_dup as '%s' outputtype int;"%self.libudf1_dup)
 
         # create aggregate functions
 
         tdSql.execute("create aggregate function udf2 as '%s' outputtype double bufSize 8;"%self.libudf2)
+        tdSql.execute("create aggregate function udf2_dup as '%s' outputtype double bufSize 8;"%self.libudf2_dup)
 
         functions = tdSql.getResult("show functions")
         function_nums = len(functions)
@@ -188,6 +200,13 @@ class TDTestCase:
 
         # scalar functions
 
+        # udf1_dup
+        tdSql.query("select udf1(num1) ,udf1_dup(num1) from tb")
+        tdSql.checkData(1,0,1)
+        tdSql.checkData(1,1,2)
+        tdSql.checkData(2,0,1)
+        tdSql.checkData(2,1,2)
+
         tdSql.execute("use db ")
         tdSql.query("select num1 , udf1(num1) ,num2 ,udf1(num2),num3 ,udf1(num3),num4 ,udf1(num4) from tb")
         tdSql.checkData(0,0,None)
@@ -238,6 +257,10 @@ class TDTestCase:
 
 
         # aggregate functions
+        tdSql.query("select udf2(num1) ,udf2_dup(num1) from tb")
+        val = tdSql.queryResult[0][0] + 100
+        tdSql.checkData(0,1,val)
+        
         tdSql.query("select udf2(num1) ,udf2(num2), udf2(num3) from tb")
         tdSql.checkData(0,0,15.362291496)
         tdSql.checkData(0,1,10000949.553189287)
diff --git a/tests/system-test/1-insert/delete_stable.py b/tests/system-test/1-insert/delete_stable.py
index 313b6ce731fe98aaed6fdfe1f9fe71fa4313d3cd..8ebe7b6692e31bba12bdc0a3cbc885112eb96562 100644
--- a/tests/system-test/1-insert/delete_stable.py
+++ b/tests/system-test/1-insert/delete_stable.py
@@ -29,6 +29,9 @@ class TDTestCase:
         tdLog.debug("start to execute %s" % __file__)
         tdSql.init(conn.cursor())
         self.dbname = 'db_test'
+        self.ns_dbname = 'ns_test'
+        self.us_dbname = 'us_test'
+        self.ms_dbname = 'ms_test'
         self.setsql = TDSetSql()
         self.stbname = 'stb'
         self.ntbname = 'ntb'
@@ -220,11 +223,45 @@ class TDTestCase:
                 tdSql.query(f'select {func}(*) from {self.stbname}')
             tdSql.execute(f'drop table {self.stbname}')
         tdSql.execute(f'drop database {self.dbname}')
+
+    def precision_now_check(self):
+        for dbname in [self.ms_dbname, self.us_dbname, self.ns_dbname]:
+            self.ts = 1537146000000
+            if dbname == self.us_dbname:
+                self.ts = int(self.ts*1000)
+                precision = "us"
+            elif dbname == self.ns_dbname:
+                precision = "ns"
+                self.ts = int(self.ts*1000000)
+            else:
+                precision = "ms"
+                self.ts = int(self.ts)
+            tdSql.execute(f'drop database if exists {dbname}')
+            tdSql.execute(f'create database if not exists {dbname} precision "{precision}"')
+            tdSql.execute(f'use {dbname}')
+            self.base_data = {
+                'tinyint':self.tinyint_val
+                        }
+            self.column_dict = {
+                'col1': 'tinyint'
+            }
+            for col_name,col_type in self.column_dict.items():
+                tdSql.execute(f'create table if not exists {self.stbname} (ts timestamp,{col_name} {col_type}) tags(t1 int)')
+                for i in range(self.tbnum):
+                    tdSql.execute(f'create table if not exists {self.stbname}_{i} using {self.stbname} tags(1)')
+                    self.insert_base_data(col_type,f'{self.stbname}_{i}',self.rowNum,self.base_data)
+                tdSql.query(f'select * from {self.stbname}')
+                tdSql.checkEqual(tdSql.queryRows, self.tbnum*self.rowNum)
+                tdSql.execute(f'delete from {self.stbname} where ts < now()')
+                tdSql.query(f'select * from {self.stbname}')
+                tdSql.checkEqual(tdSql.queryRows, 0)
+
     def run(self):
         self.delete_data_stb()
         tdDnodes.stoptaosd(1)
         tdDnodes.starttaosd(1)
         self.delete_data_stb()
+        self.precision_now_check()
     def stop(self):
         tdSql.close()
         tdLog.success("%s successfully executed" % __file__)
diff --git a/tests/system-test/7-tmq/subscribeDb3.py b/tests/system-test/7-tmq/subscribeDb3.py
index bddb196f4ab9af2ccf0d85af8614f13ea638288d..1de9b62bcd824d24a6f542183a3399a9ff056bdf 100644
--- a/tests/system-test/7-tmq/subscribeDb3.py
+++ b/tests/system-test/7-tmq/subscribeDb3.py
@@ -82,7 +82,7 @@ class TDTestCase:
             tdSql.query("select * from %s.notifyinfo"%cdbName)
             #tdLog.info("row: %d, %l64d, %l64d"%(tdSql.getData(0, 1),tdSql.getData(0, 2),tdSql.getData(0, 3))
             if tdSql.getRows() == 2 :
-                print(tdSql.getData(0, 1), tdSql.getData(1, 1))
+                tdLog.info("row[0][1]: %d, row[1][1]: %d"%(tdSql.getData(0, 1), tdSql.getData(1, 1)))
                 if tdSql.getData(1, 1) == 1:
                     break
             time.sleep(0.1)
@@ -122,6 +122,7 @@ class TDTestCase:
         os.system(shellCmd)
 
     def create_tables(self,tsql, dbName,vgroups,stbName,ctbNum,rowsPerTbl):
+        tdLog.info("start create tables......")
         tsql.execute("create database if not exists %s vgroups %d wal_retention_period 3600"%(dbName, vgroups))
         tsql.execute("use %s" %dbName)
         tsql.execute("create table  if not exists %s (ts timestamp, c1 bigint, c2 binary(16)) tags(t1 int)"%stbName)
@@ -137,11 +138,11 @@ class TDTestCase:
             tsql.execute(sql)
 
         event.set()
-        tdLog.debug("complete to create database[%s], stable[%s] and %d child tables" %(dbName, stbName, ctbNum))
+        tdLog.info("complete to create database[%s], stable[%s] and %d child tables" %(dbName, stbName, ctbNum))
         return
 
     def insert_data(self,tsql,dbName,stbName,ctbNum,rowsPerTbl,batchNum,startTs):
-        tdLog.debug("start to insert data ............")
+        tdLog.info("start to insert data ............")
         tsql.execute("use %s" %dbName)
         pre_insert = "insert into "
         sql = pre_insert
@@ -163,7 +164,7 @@ class TDTestCase:
         if sql != pre_insert:
             #print("insert sql:%s"%sql)
             tsql.execute(sql)
-        tdLog.debug("insert data ............ [OK]")
+        tdLog.info("insert data ............ [OK]")
         return
 
     def prepareEnv(self, **parameterDict):
@@ -286,7 +287,7 @@ class TDTestCase:
         prepareEnvThread.start()
 
         tdLog.info("create topics from db")
-        topicName1 = 'topic_db1'
+        topicName1 = 'topic_db11'
 
         tdSql.execute("create topic %s as database %s" %(topicName1, parameterDict['dbName']))
         consumerId   = 0
diff --git a/tests/system-test/7-tmq/tmqConsumerGroup.py b/tests/system-test/7-tmq/tmqConsumerGroup.py
index d146dca4497b9f60d204ca067f3bcd299c204dae..f05f600f27b1d1c3194c85a03edfbcac1aeee3b7 100644
--- a/tests/system-test/7-tmq/tmqConsumerGroup.py
+++ b/tests/system-test/7-tmq/tmqConsumerGroup.py
@@ -42,7 +42,7 @@ class TDTestCase:
                     'showRow':    1}
 
         topicNameList = ['topic1', 'topic2']
-        expectRowsList = []
+        queryRowsList = []
         tmqCom.initConsumerTable()
         tdCom.create_database(tdSql, paraDict["dbName"],paraDict["dropFlag"], vgroups=4,replica=1)
         tdSql.execute("alter database %s wal_retention_period 3600" % (paraDict['dbName']))
@@ -60,7 +60,7 @@ class TDTestCase:
         tdLog.info("create topic sql: %s"%sqlString)
         tdSql.execute(sqlString)
         tdSql.query(queryString)
-        expectRowsList.append(tdSql.getRows())
+        queryRowsList.append(tdSql.getRows())
 
         # create one stb2
         paraDict["stbName"] = 'stb2'
@@ -77,7 +77,7 @@ class TDTestCase:
         tdLog.info("create topic sql: %s"%sqlString)
         tdSql.execute(sqlString)
         # tdSql.query(queryString)
-        # expectRowsList.append(tdSql.getRows())
+        # queryRowsList.append(tdSql.getRows())
 
         # init consume info, and start tmq_sim, then check consume result
         tdLog.info("insert consume info to consume processor")
@@ -99,7 +99,8 @@ class TDTestCase:
         pThread = tmqCom.asyncInsertData(paraDict)
 
         tdLog.info("wait consumer commit notify")
-        tmqCom.getStartCommitNotifyFromTmqsim(rows=4)
+        # tmqCom.getStartCommitNotifyFromTmqsim(rows=4)
+        tmqCom.getStartConsumeNotifyFromTmqsim(rows=2)
 
         tdLog.info("pkill one consume processor")
         tmqCom.stopTmqSimProcess('tmq_sim_new')
@@ -109,19 +110,21 @@ class TDTestCase:
         tdLog.info("wait the consume result")
         expectRows = 2
         resultList = tmqCom.selectConsumeResult(expectRows)
-        actTotalRows = 0
+        actConsumTotalRows = 0
         for i in range(len(resultList)):
-            actTotalRows += resultList[i]
+            actConsumTotalRows += resultList[i]
+            
+        tdLog.info("act consumer1 rows: %d, consumer2 rows: %d"%(resultList[0], resultList[1]))
 
         tdSql.query(queryString)
-        expectRowsList.append(tdSql.getRows())
-        expectTotalRows = 0
-        for i in range(len(expectRowsList)):
-            expectTotalRows += expectRowsList[i]
-
-        tdLog.info("act consume rows: %d, expect consume rows: %d"%(actTotalRows, expectTotalRows))
-        if expectTotalRows <= resultList[0]:
-            tdLog.info("act consume rows: %d should >= expect consume rows: %d"%(actTotalRows, expectTotalRows))
+        queryRowsList.append(tdSql.getRows())
+        queryTotalRows = 0
+        for i in range(len(queryRowsList)):
+            queryTotalRows += queryRowsList[i]
+
+        tdLog.info("act consume rows: %d, query consume rows: %d"%(actConsumTotalRows, queryTotalRows))
+        if actConsumTotalRows < queryTotalRows:
+            tdLog.info("act consume rows: %d should >= query consume rows: %d"%(actConsumTotalRows, queryTotalRows))
             tdLog.exit("0 tmq consume rows error!")
 
         # time.sleep(10)
@@ -130,9 +133,95 @@ class TDTestCase:
 
         tdLog.printNoPrefix("======== test case 1 end ...... ")
 
+
+    def tmqCase2(self):
+        tdLog.printNoPrefix("======== test case 2: ")
+        paraDict = {'dbName':     'db1',
+                    'dropFlag':   1,
+                    'event':      '',
+                    'vgroups':    4,
+                    'stbName':    'stb',
+                    'colPrefix':  'c',
+                    'tagPrefix':  't',
+                    'colSchema':   [{'type': 'INT', 'count':2}, {'type': 'binary', 'len':20, 'count':1},{'type': 'TIMESTAMP', 'count':1}],
+                    'tagSchema':   [{'type': 'INT', 'count':1}, {'type': 'binary', 'len':20, 'count':1}],
+                    'ctbPrefix':  'ctb',
+                    'ctbNum':     10,
+                    'rowsPerTbl': 1000,
+                    'batchNum':   10,
+                    'startTs':    1640966400000,  # 2022-01-01 00:00:00.000
+                    'pollDelay':  20,
+                    'showMsg':    1,
+                    'showRow':    1}
+
+        topicNameList = ['topic3', 'topic4']
+        queryRowsList = []
+        tmqCom.initConsumerTable()       
+
+        tdLog.info("create topics from stb with filter")
+        # queryString = "select ts, log(c1), ceil(pow(c1,3)) from %s.%s where c1 %% 7 == 0" %(paraDict['dbName'], paraDict['stbName'])
+        queryString = "select ts, log(c1), ceil(pow(c1,3)) from %s.%s" %(paraDict['dbName'], paraDict['stbName'])
+        sqlString = "create topic %s as %s" %(topicNameList[0], queryString)
+        tdLog.info("create topic sql: %s"%sqlString)
+        tdSql.execute(sqlString)
+        tdSql.query(queryString)
+        queryRowsList.append(tdSql.getRows())
+
+        # create one stb2
+        paraDict["stbName"] = 'stb2'
+        # queryString = "select ts, sin(c1), abs(pow(c1,3)) from %s.%s where c1 %% 7 == 0" %(paraDict['dbName'], paraDict['stbName'])
+        queryString = "select ts, sin(c1), abs(pow(c1,3)) from %s.%s" %(paraDict['dbName'], paraDict['stbName'])
+        sqlString = "create topic %s as %s" %(topicNameList[1], queryString)
+        tdLog.info("create topic sql: %s"%sqlString)
+        tdSql.execute(sqlString)
+        tdSql.query(queryString)
+        queryRowsList.append(tdSql.getRows())
+
+        # init consume info, and start tmq_sim, then check consume result
+        tdLog.info("insert consume info to consume processor")
+        consumerId   = 0
+        paraDict["rowsPerTbl"] = 5000
+        expectrowcnt = paraDict["rowsPerTbl"] * paraDict["ctbNum"] * 2
+        topicList    = "%s,%s"%(topicNameList[0],topicNameList[1])
+        ifcheckdata  = 1
+        ifManualCommit = 1
+        keyList      = 'group.id:cgrp1, enable.auto.commit:true, auto.commit.interval.ms:3000, auto.offset.reset:earliest'
+        tmqCom.insertConsumerInfo(consumerId, expectrowcnt,topicList,keyList,ifcheckdata,ifManualCommit)
+
+        tdLog.info("start consume processor 1")
+        tmqCom.startTmqSimProcess(paraDict['pollDelay'],paraDict["dbName"],paraDict['showMsg'], paraDict['showRow'])
+
+        tdLog.info("start consume processor 2")
+        tmqCom.startTmqSimProcess(paraDict['pollDelay'],paraDict["dbName"],paraDict['showMsg'], paraDict['showRow'],'cdb',0,1)
+
+        tdLog.info("wait the consume result")
+        expectRows = 2
+        resultList = tmqCom.selectConsumeResult(expectRows)
+        actConsumTotalRows = 0
+        for i in range(len(resultList)):
+            actConsumTotalRows += resultList[i]
+            
+        tdLog.info("act consumer1 rows: %d, consumer2 rows: %d"%(resultList[0], resultList[1]))
+
+        queryTotalRows = 0
+        for i in range(len(queryRowsList)):
+            queryTotalRows += queryRowsList[i]
+
+        tdLog.info("act consume rows: %d, query consume rows: %d"%(actConsumTotalRows, queryTotalRows))
+        if actConsumTotalRows < queryTotalRows:
+            tdLog.info("act consume rows: %d should >= query consume rows: %d"%(actConsumTotalRows, queryTotalRows))
+            tdLog.exit("0 tmq consume rows error!")
+
+        # time.sleep(10)
+        # for i in range(len(topicNameList)):
+        #     tdSql.query("drop topic %s"%topicNameList[i])
+
+        tdLog.printNoPrefix("======== test case 2 end ...... ")
+
     def run(self):
         tdSql.prepare()
         self.tmqCase1()
+        self.tmqCase2()
 
     def stop(self):
         tdSql.close()
diff --git a/tools/shell/src/shellEngine.c b/tools/shell/src/shellEngine.c
index 910b067d4e0bce5e289c136de29470591a446f2b..5ac32eaad9f1d4a1b8235feff6182f67ac9c9f2e 100644
--- a/tools/shell/src/shellEngine.c
+++ b/tools/shell/src/shellEngine.c
@@ -58,7 +58,6 @@ int32_t shellRunSingleCommand(char *command) {
   }
 
   if (shellRegexMatch(command, "^[ \t]*(quit|q|exit)[ \t;]*$", REG_EXTENDED | REG_ICASE)) {
-    shellWriteHistory();
     return -1;
   }
 
@@ -887,7 +886,6 @@ void shellWriteHistory() {
     }
     i = (i + 1) % SHELL_MAX_HISTORY_SIZE;
   }
-  taosFsyncFile(pFile);
   taosCloseFile(&pFile);
 }
 
diff --git a/tools/shell/src/shellMain.c b/tools/shell/src/shellMain.c
index bc5809ffe8b389ca57146a65f8c67d451f934b9e..795621dfddba857483df6c35240cdbbd8b944289 100644
--- a/tools/shell/src/shellMain.c
+++ b/tools/shell/src/shellMain.c
@@ -83,6 +83,9 @@ int main(int argc, char *argv[]) {
 #endif
   taos_init();
 
+  // kill heart-beat thread when quit
+  taos_set_hb_quit(1);
+
   if (shell.args.is_dump_config) {
     shellDumpConfig();
     taos_cleanup();