diff --git a/include/common/tglobal.h b/include/common/tglobal.h
index 089cb5bb94935a4a5b40cb19db4c86ec47c5c29b..94f294d2bfd09a49ccd7c673ce30ed5310b1679b 100644
--- a/include/common/tglobal.h
+++ b/include/common/tglobal.h
@@ -51,7 +51,14 @@ extern int32_t tsCompatibleModel;
 extern bool    tsEnableSlaveQuery;
 extern bool    tsPrintAuth;
 extern int64_t tsTickPerDay[3];
+
+// multi-process
 extern bool    tsMultiProcess;
+extern int32_t tsMnodeShmSize;
+extern int32_t tsVnodeShmSize;
+extern int32_t tsQnodeShmSize;
+extern int32_t tsSnodeShmSize;
+extern int32_t tsBnodeShmSize;
 
 // monitor
 extern bool     tsEnableMonitor;
diff --git a/include/libs/function/function.h b/include/libs/function/function.h
index d4307362b6acb91c09934954c433b5597f950050..9fa89f041578e73045aa2a886ce23757230542d1 100644
--- a/include/libs/function/function.h
+++ b/include/libs/function/function.h
@@ -110,10 +110,11 @@ typedef struct SFileBlockInfo {
 #define FUNCTION_COV          38
 
 typedef struct SResultRowEntryInfo {
-  int8_t   hasResult;       // result generated, not NULL value
-  bool     initialized;     // output buffer has been initialized
-  bool     complete;        // query has completed
-  uint32_t numOfRes;        // num of output result in current buffer
+//  int8_t   hasResult:6;       // result generated, not NULL value
+  bool     initialized:1;     // output buffer has been initialized
+  bool     complete:1;        // query has completed
+  uint8_t  isNullRes:6;       // the result is null
+  uint8_t  numOfRes;        // num of output result in current buffer
 } SResultRowEntryInfo;
 
 // determine the real data need to calculated the result
@@ -156,7 +157,6 @@ typedef struct SResultDataInfo {
 
 #define GET_RES_INFO(ctx)        ((ctx)->resultInfo)
 #define GET_ROWCELL_INTERBUF(_c) ((void*) ((char*)(_c) + sizeof(SResultRowEntryInfo)))
-#define DATA_SET_FLAG ','        // to denote the output area has data, not null value
 
 typedef struct SInputColumnInfoData {
   int32_t           totalRows;      // total rows in current columnar data
diff --git a/include/util/tprocess.h b/include/util/tprocess.h
index 80c855b78c480aa71e0c94154ae014121d8f3aef..c5f33140dd701fe5f4c301d733ec96c7c2bf780c 100644
--- a/include/util/tprocess.h
+++ b/include/util/tprocess.h
@@ -22,12 +22,12 @@
 extern "C" {
 #endif
 
-typedef enum { PROC_QUEUE, PROC_REQ, PROC_RSP, PROC_REGIST, PROC_RELEASE } ProcFuncType;
+typedef enum { PROC_REQ = 1, PROC_RSP, PROC_REGIST, PROC_RELEASE } ProcFuncType;
 
 typedef struct SProcObj SProcObj;
 typedef void *(*ProcMallocFp)(int32_t contLen);
 typedef void *(*ProcFreeFp)(void *pCont);
-typedef void *(*ProcConsumeFp)(void *parent, void *pHead, int16_t headLen, void *pBody, int32_t bodyLen,
+typedef void (*ProcConsumeFp)(void *parent, void *pHead, int16_t headLen, void *pBody, int32_t bodyLen,
                                ProcFuncType ftype);
 
 typedef struct {
@@ -50,6 +50,7 @@ typedef struct {
 SProcObj *taosProcInit(const SProcCfg *pCfg);
 void      taosProcCleanup(SProcObj *pProc);
 int32_t   taosProcRun(SProcObj *pProc);
+void      taosProcStop(SProcObj *pProc);
 
 int32_t taosProcPutToChildQ(SProcObj *pProc, const void *pHead, int16_t headLen, const void *pBody, int32_t bodyLen,
                             void *handle, ProcFuncType ftype);
diff --git a/source/common/src/tglobal.c b/source/common/src/tglobal.c
index c79e1531229330ab4611319b77f5305d81d80b95..97306f2da06051f1bfe598e2df27d9021c4df988 100644
--- a/source/common/src/tglobal.c
+++ b/source/common/src/tglobal.c
@@ -45,7 +45,14 @@ float   tsRatioOfQueryCores = 1.0f;
 int32_t tsMaxBinaryDisplayWidth = 30;
 bool    tsEnableSlaveQuery = 1;
 bool    tsPrintAuth = 0;
-bool    tsMultiProcess = 0;
+
+// multi process
+bool    tsMultiProcess = false;
+int32_t tsMnodeShmSize = TSDB_MAX_WAL_SIZE * 2;
+int32_t tsVnodeShmSize = TSDB_MAX_WAL_SIZE * 10;
+int32_t tsQnodeShmSize = TSDB_MAX_WAL_SIZE * 4;
+int32_t tsSnodeShmSize = TSDB_MAX_WAL_SIZE * 4;
+int32_t tsBnodeShmSize = TSDB_MAX_WAL_SIZE * 4;
 
 // monitor
 bool     tsEnableMonitor = 1;
@@ -347,7 +354,13 @@ static int32_t taosAddServerCfg(SConfig *pCfg) {
   if (cfgAddBool(pCfg, "printAuth", tsPrintAuth, 0) != 0) return -1;
   if (cfgAddBool(pCfg, "slaveQuery", tsEnableSlaveQuery, 0) != 0) return -1;
   if (cfgAddBool(pCfg, "deadLockKillQuery", tsDeadLockKillQuery, 0) != 0) return -1;
+
   if (cfgAddBool(pCfg, "multiProcess", tsMultiProcess, 0) != 0) return -1;
+  if (cfgAddInt32(pCfg, "mnodeShmSize", tsMnodeShmSize, 4096, INT32_MAX, 0) != 0) return -1;
+  if (cfgAddInt32(pCfg, "vnodeShmSize", tsVnodeShmSize, 4096, INT32_MAX, 0) != 0) return -1;
+  if (cfgAddInt32(pCfg, "qnodeShmSize", tsQnodeShmSize, 4096, INT32_MAX, 0) != 0) return -1;
+  if (cfgAddInt32(pCfg, "snodeShmSize", tsSnodeShmSize, 4096, INT32_MAX, 0) != 0) return -1;
+  // if (cfgAddInt32(pCfg, "bnodeShmSize", tsBnodeShmSize, 4096, INT32_MAX, 0) != 0) return -1;
 
   if (cfgAddBool(pCfg, "monitor", tsEnableMonitor, 0) != 0) return -1;
   if (cfgAddInt32(pCfg, "monitorInterval", tsMonitorInterval, 1, 360000, 0) != 0) return -1;
@@ -466,7 +479,13 @@ static int32_t taosSetServerCfg(SConfig *pCfg) {
   tsPrintAuth = cfgGetItem(pCfg, "printAuth")->bval;
   tsEnableSlaveQuery = cfgGetItem(pCfg, "slaveQuery")->bval;
   tsDeadLockKillQuery = cfgGetItem(pCfg, "deadLockKillQuery")->bval;
+
   tsMultiProcess = cfgGetItem(pCfg, "multiProcess")->bval;
+  tsMnodeShmSize = cfgGetItem(pCfg, "mnodeShmSize")->i32;
+  tsVnodeShmSize = cfgGetItem(pCfg, "vnodeShmSize")->i32;
+  tsQnodeShmSize = cfgGetItem(pCfg, "qnodeShmSize")->i32;
+  tsSnodeShmSize = cfgGetItem(pCfg, "snodeShmSize")->i32;
+  // tsBnodeShmSize = cfgGetItem(pCfg, "bnodeShmSize")->i32;
 
   tsEnableMonitor = cfgGetItem(pCfg, "monitor")->bval;
   tsMonitorInterval = cfgGetItem(pCfg, "monitorInterval")->i32;
diff --git a/source/common/src/tvariant.c b/source/common/src/tvariant.c
index 77feb04f6cac2f9cebb49f790bdbfe6c7d6953e5..8c5010e577a0de784f70733830432df90446dc6d 100644
--- a/source/common/src/tvariant.c
+++ b/source/common/src/tvariant.c
@@ -512,6 +512,16 @@ static FORCE_INLINE int32_t convertToInteger(SVariant *pVariant, int64_t *result
     setNull((char *)result, type, tDataTypes[type].bytes);
     return 0;
   }
+
+  if (IS_SIGNED_NUMERIC_TYPE(pVariant->nType) || (pVariant->nType == TSDB_DATA_TYPE_BOOL)) {
+    *result = pVariant->i;
+  } else if (IS_UNSIGNED_NUMERIC_TYPE(pVariant->nType)) {
+    *result = pVariant->u;
+  } else if (IS_FLOAT_TYPE(pVariant->nType)) {
+    *result = (int64_t) pVariant->d;
+  } else {
+    //TODO: handling var types
+  }
 #if 0
   errno = 0;
   if (IS_SIGNED_NUMERIC_TYPE(pVariant->nType) || (pVariant->nType == TSDB_DATA_TYPE_BOOL)) {
@@ -1038,4 +1048,3 @@ char * taosVariantGet(SVariant *pVar, int32_t type) {
 
   return NULL;
 }
-
diff --git a/source/dnode/mgmt/dm/dmHandle.c b/source/dnode/mgmt/dm/dmHandle.c
index 7d627e587058bc8ca9f39e75268bfa558b17e5d7..cb712bfb48c5147e3595a3f57f6582018021ac9c 100644
--- a/source/dnode/mgmt/dm/dmHandle.c
+++ b/source/dnode/mgmt/dm/dmHandle.c
@@ -118,7 +118,7 @@ int32_t dmProcessConfigReq(SDnodeMgmt *pMgmt, SNodeMsg *pMsg) {
 }
 
 
-static int32_t dmProcessCreateNodeMsg(SDnode *pDnode, ENodeType ntype, SNodeMsg *pMsg) {
+static int32_t dmProcessCreateNodeMsg(SDnode *pDnode, EDndType ntype, SNodeMsg *pMsg) {
   SMgmtWrapper *pWrapper = dndAcquireWrapper(pDnode, ntype);
   if (pWrapper != NULL) {
     dndReleaseWrapper(pWrapper);
@@ -146,7 +146,7 @@ static int32_t dmProcessCreateNodeMsg(SDnode *pDnode, ENodeType ntype, SNodeMsg
   return code;
 }
 
-static int32_t dmProcessDropNodeMsg(SDnode *pDnode, ENodeType ntype, SNodeMsg *pMsg) {
+static int32_t dmProcessDropNodeMsg(SDnode *pDnode, EDndType ntype, SNodeMsg *pMsg) {
   SMgmtWrapper *pWrapper = dndAcquireWrapper(pDnode, ntype);
   if (pWrapper == NULL) {
     terrno = TSDB_CODE_NODE_NOT_DEPLOYED;
diff --git a/source/dnode/mgmt/exe/dndMain.c b/source/dnode/mgmt/exe/dndMain.c
index 48510e96222ce56882073c9f0829277b43a7453a..997c56f9fb10f63b67bf858de4b76a1efedaaa4c 100644
--- a/source/dnode/mgmt/exe/dndMain.c
+++ b/source/dnode/mgmt/exe/dndMain.c
@@ -18,15 +18,15 @@
 #include "tconfig.h"
 
 static struct {
-  bool      dumpConfig;
-  bool      generateGrant;
-  bool      printAuth;
-  bool      printVersion;
-  char      envFile[PATH_MAX];
-  char      apolloUrl[PATH_MAX];
-  SArray   *pArgs;  // SConfigPair
-  SDnode   *pDnode;
-  ENodeType ntype;
+  bool     dumpConfig;
+  bool     generateGrant;
+  bool     printAuth;
+  bool     printVersion;
+  char     envFile[PATH_MAX];
+  char     apolloUrl[PATH_MAX];
+  SArray  *pArgs;  // SConfigPair
+  SDnode  *pDnode;
+  EDndType ntype;
 } global = {0};
 
 static void dndStopDnode(int signum, void *info, void *ctx) {
diff --git a/source/dnode/mgmt/inc/dndInt.h b/source/dnode/mgmt/inc/dndInt.h
index 20e61c43ddd6ee65c6a72b731056ad99ead51d43..5659becb2033bac7ad8bbacc240f1782ca70c42d 100644
--- a/source/dnode/mgmt/inc/dndInt.h
+++ b/source/dnode/mgmt/inc/dndInt.h
@@ -49,7 +49,7 @@ extern "C" {
 #define dDebug(...) { if (dDebugFlag & DEBUG_DEBUG) { taosPrintLog("DND ", DEBUG_DEBUG, dDebugFlag, __VA_ARGS__); }}
 #define dTrace(...) { if (dDebugFlag & DEBUG_TRACE) { taosPrintLog("DND ", DEBUG_TRACE, dDebugFlag, __VA_ARGS__); }}
 
-typedef enum { DNODE, VNODES, QNODE, SNODE, MNODE, BNODE, NODE_MAX } ENodeType;
+typedef enum { DNODE, VNODES, QNODE, SNODE, MNODE, BNODE, NODE_MAX } EDndType;
 typedef enum { DND_STAT_INIT, DND_STAT_RUNNING, DND_STAT_STOPPED } EDndStatus;
 typedef enum { DND_ENV_INIT, DND_ENV_READY, DND_ENV_CLEANUP } EEnvStatus;
 typedef enum { PROC_SINGLE, PROC_CHILD, PROC_PARENT } EProcType;
@@ -92,7 +92,7 @@ typedef struct SMgmtWrapper {
   char       *path;
   int32_t     refCount;
   SRWLatch    latch;
-  ENodeType   ntype;
+  EDndType    ntype;
   bool        deployed;
   bool        required;
   EProcType   procType;
@@ -126,7 +126,7 @@ typedef struct SDnode {
   int32_t      numOfDisks;
   uint16_t     serverPort;
   bool         dropped;
-  ENodeType    ntype;
+  EDndType     ntype;
   EDndStatus   status;
   EDndEvent    event;
   SStartupReq  startup;
@@ -137,8 +137,8 @@ typedef struct SDnode {
 
 // dndEnv.c
 const char *dndStatStr(EDndStatus stat);
-const char *dndNodeLogStr(ENodeType ntype);
-const char *dndNodeProcStr(ENodeType ntype);
+const char *dndNodeLogStr(EDndType ntype);
+const char *dndNodeProcStr(EDndType ntype);
 const char *dndEventStr(EDndEvent ev);
 
 // dndExec.c
@@ -156,7 +156,7 @@ int32_t   dndWriteShmFile(SDnode *pDnode);
 EDndStatus    dndGetStatus(SDnode *pDnode);
 void          dndSetStatus(SDnode *pDnode, EDndStatus stat);
 void          dndSetMsgHandle(SMgmtWrapper *pWrapper, tmsg_t msgType, NodeMsgFp nodeMsgFp, int8_t vgId);
-SMgmtWrapper *dndAcquireWrapper(SDnode *pDnode, ENodeType nodeType);
+SMgmtWrapper *dndAcquireWrapper(SDnode *pDnode, EDndType nType);
 int32_t       dndMarkWrapper(SMgmtWrapper *pWrapper);
 void          dndReleaseWrapper(SMgmtWrapper *pWrapper);
 void          dndHandleEvent(SDnode *pDnode, EDndEvent event);
diff --git a/source/dnode/mgmt/main/dndEnv.c b/source/dnode/mgmt/main/dndEnv.c
index 8bdc2867d29cc2b20eccb28b68bd8427ca2ff56d..3c3f2144ab26c6c395aa38219bbfe700700ebced 100644
--- a/source/dnode/mgmt/main/dndEnv.c
+++ b/source/dnode/mgmt/main/dndEnv.c
@@ -71,7 +71,7 @@ const char *dndStatStr(EDndStatus status) {
   }
 }
 
-const char *dndNodeLogStr(ENodeType ntype) {
+const char *dndNodeLogStr(EDndType ntype) {
   switch (ntype) {
     case VNODES:
       return "vnode";
@@ -88,7 +88,7 @@ const char *dndNodeLogStr(ENodeType ntype) {
   }
 }
 
-const char *dndNodeProcStr(ENodeType ntype) {
+const char *dndNodeProcStr(EDndType ntype) {
   switch (ntype) {
     case VNODES:
       return "taosv";
diff --git a/source/dnode/mgmt/main/dndExec.c b/source/dnode/mgmt/main/dndExec.c
index d76ef37a5d61355bca3d918fcf9014c679fdbeeb..28b24e97c97a20bbac4b68a3fbac2047c0b59e3c 100644
--- a/source/dnode/mgmt/main/dndExec.c
+++ b/source/dnode/mgmt/main/dndExec.c
@@ -66,7 +66,7 @@ void dndCloseNode(SMgmtWrapper *pWrapper) {
 }
 
 
-static int32_t dndNewProc(SMgmtWrapper *pWrapper, ENodeType n) {
+static int32_t dndNewProc(SMgmtWrapper *pWrapper, EDndType n) {
   char  tstr[8] = {0};
   char *args[6] = {0};
   snprintf(tstr, sizeof(tstr), "%d", n);
@@ -89,6 +89,7 @@ static int32_t dndNewProc(SMgmtWrapper *pWrapper, ENodeType n) {
 }
 
 static void dndProcessProcHandle(void *handle) {
+  dWarn("handle:%p, the child process dies and send an offline rsp", handle);
   SRpcMsg rpcMsg = {.handle = handle, .code = TSDB_CODE_DND_OFFLINE};
   rpcSendResponse(&rpcMsg);
 }
@@ -96,7 +97,7 @@ static void dndProcessProcHandle(void *handle) {
 static int32_t dndRunInSingleProcess(SDnode *pDnode) {
   dInfo("dnode run in single process");
 
-  for (ENodeType n = DNODE; n < NODE_MAX; ++n) {
+  for (EDndType n = DNODE; n < NODE_MAX; ++n) {
     SMgmtWrapper *pWrapper = &pDnode->wrappers[n];
     pWrapper->required = dndRequireNode(pWrapper);
     if (!pWrapper->required) continue;
@@ -109,7 +110,7 @@ static int32_t dndRunInSingleProcess(SDnode *pDnode) {
 
   dndSetStatus(pDnode, DND_STAT_RUNNING);
 
-  for (ENodeType n = 0; n < NODE_MAX; ++n) {
+  for (EDndType n = 0; n < NODE_MAX; ++n) {
     SMgmtWrapper *pWrapper = &pDnode->wrappers[n];
     if (!pWrapper->required) continue;
     if (pWrapper->fp.startFp == NULL) continue;
@@ -141,12 +142,25 @@ static int32_t dndRunInParentProcess(SDnode *pDnode) {
     return -1;
   }
 
-  for (ENodeType n = DNODE + 1; n < NODE_MAX; ++n) {
+  for (EDndType n = DNODE + 1; n < NODE_MAX; ++n) {
     SMgmtWrapper *pWrapper = &pDnode->wrappers[n];
     pWrapper->required = dndRequireNode(pWrapper);
     if (!pWrapper->required) continue;
 
-    int32_t shmsize = 1024 * 1024 * 2;  // size will be a configuration item
+    int32_t shmsize = tsMnodeShmSize;
+    if (n == VNODES) {
+      shmsize = tsVnodeShmSize;
+    } else if (n == QNODE) {
+      shmsize = tsQnodeShmSize;
+    } else if (n == SNODE) {
+      shmsize = tsSnodeShmSize;
+    } else if (n == MNODE) {
+      shmsize = tsMnodeShmSize;
+    } else if (n == BNODE) {
+      shmsize = tsBnodeShmSize;
+    } else {
+    }
+
     if (taosCreateShm(&pWrapper->shm, n, shmsize) != 0) {
       terrno = TAOS_SYSTEM_ERROR(terrno);
       dError("node:%s, failed to create shm size:%d since %s", pWrapper->name, shmsize, terrstr());
@@ -169,7 +183,7 @@ static int32_t dndRunInParentProcess(SDnode *pDnode) {
     return -1;
   }
 
-  for (ENodeType n = DNODE + 1; n < NODE_MAX; ++n) {
+  for (EDndType n = DNODE + 1; n < NODE_MAX; ++n) {
     SMgmtWrapper *pWrapper = &pDnode->wrappers[n];
     if (!pWrapper->required) continue;
 
@@ -202,7 +216,7 @@ static int32_t dndRunInParentProcess(SDnode *pDnode) {
       dInfo("dnode is about to stop");
       dndSetStatus(pDnode, DND_STAT_STOPPED);
 
-      for (ENodeType n = DNODE + 1; n < NODE_MAX; ++n) {
+      for (EDndType n = DNODE + 1; n < NODE_MAX; ++n) {
         SMgmtWrapper *pWrapper = &pDnode->wrappers[n];
         if (!pWrapper->required) continue;
         if (pDnode->ntype == NODE_MAX) continue;
@@ -217,13 +231,13 @@ static int32_t dndRunInParentProcess(SDnode *pDnode) {
       }
       break;
     } else {
-      for (ENodeType n = DNODE + 1; n < NODE_MAX; ++n) {
+      for (EDndType n = DNODE + 1; n < NODE_MAX; ++n) {
         SMgmtWrapper *pWrapper = &pDnode->wrappers[n];
         if (!pWrapper->required) continue;
         if (pDnode->ntype == NODE_MAX) continue;
 
         if (pWrapper->procId <= 0 || !taosProcExist(pWrapper->procId)) {
-          dInfo("node:%s, process:%d is killed and needs to be restarted", pWrapper->name, pWrapper->procId);
+          dWarn("node:%s, process:%d is killed and needs to be restarted", pWrapper->name, pWrapper->procId);
           taosProcCloseHandles(pWrapper->pProc, dndProcessProcHandle);
           dndNewProc(pWrapper, n);
         }
diff --git a/source/dnode/mgmt/main/dndFile.c b/source/dnode/mgmt/main/dndFile.c
index 92e6cea3e1372c95bb3d763a979d90b7399b211d..4c42119ec49d6172f53f889c552d631afcc896ad 100644
--- a/source/dnode/mgmt/main/dndFile.c
+++ b/source/dnode/mgmt/main/dndFile.c
@@ -164,7 +164,7 @@ int32_t dndReadShmFile(SDnode *pDnode) {
       goto _OVER;
     }
 
-    for (ENodeType ntype = DNODE + 1; ntype < NODE_MAX; ++ntype) {
+    for (EDndType ntype = DNODE + 1; ntype < NODE_MAX; ++ntype) {
       snprintf(itemName, sizeof(itemName), "%s_shmid", dndNodeProcStr(ntype));
       cJSON *shmid = cJSON_GetObjectItem(root, itemName);
       if (shmid && shmid->type == cJSON_Number) {
@@ -180,7 +180,7 @@ int32_t dndReadShmFile(SDnode *pDnode) {
   }
 
   if (!tsMultiProcess || pDnode->ntype == DNODE || pDnode->ntype == NODE_MAX) {
-    for (ENodeType ntype = DNODE; ntype < NODE_MAX; ++ntype) {
+    for (EDndType ntype = DNODE; ntype < NODE_MAX; ++ntype) {
       SMgmtWrapper *pWrapper = &pDnode->wrappers[ntype];
       if (pWrapper->shm.id >= 0) {
         dDebug("shmid:%d, is closed, size:%d", pWrapper->shm.id, pWrapper->shm.size);
@@ -226,7 +226,7 @@ int32_t dndWriteShmFile(SDnode *pDnode) {
   }
 
   len += snprintf(content + len, MAXLEN - len, "{\n");
-  for (ENodeType ntype = DNODE + 1; ntype < NODE_MAX; ++ntype) {
+  for (EDndType ntype = DNODE + 1; ntype < NODE_MAX; ++ntype) {
     SMgmtWrapper *pWrapper = &pDnode->wrappers[ntype];
     len += snprintf(content + len, MAXLEN - len, "  \"%s_shmid\":%d,\n", dndNodeProcStr(ntype), pWrapper->shm.id);
     if (ntype == NODE_MAX - 1) {
diff --git a/source/dnode/mgmt/main/dndInt.c b/source/dnode/mgmt/main/dndInt.c
index e85fe8a9fc776d4009eed9b21cef71c4ce04868f..d406b0c02e99d438d20539f0125ac589a23c77ed 100644
--- a/source/dnode/mgmt/main/dndInt.c
+++ b/source/dnode/mgmt/main/dndInt.c
@@ -46,7 +46,7 @@ static int32_t dndInitVars(SDnode *pDnode, const SDnodeOpt *pOption) {
 }
 
 static void dndClearVars(SDnode *pDnode) {
-  for (ENodeType n = 0; n < NODE_MAX; ++n) {
+  for (EDndType n = 0; n < NODE_MAX; ++n) {
     SMgmtWrapper *pMgmt = &pDnode->wrappers[n];
     taosMemoryFreeClear(pMgmt->path);
   }
@@ -89,7 +89,7 @@ SDnode *dndCreate(const SDnodeOpt *pOption) {
   smSetMgmtFp(&pDnode->wrappers[SNODE]);
   bmSetMgmtFp(&pDnode->wrappers[BNODE]);
 
-  for (ENodeType n = 0; n < NODE_MAX; ++n) {
+  for (EDndType n = 0; n < NODE_MAX; ++n) {
     SMgmtWrapper *pWrapper = &pDnode->wrappers[n];
     snprintf(path, sizeof(path), "%s%s%s", pDnode->dataDir, TD_DIRSEP, pWrapper->name);
     pWrapper->path = strdup(path);
@@ -106,7 +106,7 @@ SDnode *dndCreate(const SDnodeOpt *pOption) {
   }
 
   if (dndInitMsgHandle(pDnode) != 0) {
-    dError("failed to msg handles since %s", terrstr());
+    dError("failed to init msg handles since %s", terrstr());
     goto _OVER;
   }
 
@@ -134,7 +134,7 @@ _OVER:
 void dndClose(SDnode *pDnode) {
   if (pDnode == NULL) return;
 
-  for (ENodeType n = 0; n < NODE_MAX; ++n) {
+  for (EDndType n = 0; n < NODE_MAX; ++n) {
     SMgmtWrapper *pWrapper = &pDnode->wrappers[n];
     dndCloseNode(pWrapper);
   }
@@ -149,7 +149,7 @@ void dndHandleEvent(SDnode *pDnode, EDndEvent event) {
   }
 }
 
-SMgmtWrapper *dndAcquireWrapper(SDnode *pDnode, ENodeType ntype) {
+SMgmtWrapper *dndAcquireWrapper(SDnode *pDnode, EDndType ntype) {
   SMgmtWrapper *pWrapper = &pDnode->wrappers[ntype];
   SMgmtWrapper *pRetWrapper = pWrapper;
 
diff --git a/source/dnode/mgmt/main/dndTransport.c b/source/dnode/mgmt/main/dndTransport.c
index 22895dffcc4bde85fa58e1f35a9f1753a7207c75..f3065bdcad6d422b09407c93cc381c0309fea65c 100644
--- a/source/dnode/mgmt/main/dndTransport.c
+++ b/source/dnode/mgmt/main/dndTransport.c
@@ -307,7 +307,7 @@ void dndCleanupTrans(SDnode *pDnode) {
 int32_t dndInitMsgHandle(SDnode *pDnode) {
   STransMgmt *pMgmt = &pDnode->trans;
 
-  for (ENodeType n = 0; n < NODE_MAX; ++n) {
+  for (EDndType n = 0; n < NODE_MAX; ++n) {
     SMgmtWrapper *pWrapper = &pDnode->wrappers[n];
 
     for (int32_t msgIndex = 0; msgIndex < TDMT_MAX; ++msgIndex) {
diff --git a/source/dnode/mgmt/test/sut/inc/sut.h b/source/dnode/mgmt/test/sut/inc/sut.h
index f7e2831160519e18fa2bd8d1d0885922a41efdae..1dd68574fec694231fb2d903e41ca35873a67518 100644
--- a/source/dnode/mgmt/test/sut/inc/sut.h
+++ b/source/dnode/mgmt/test/sut/inc/sut.h
@@ -40,9 +40,7 @@ class Testbase {
   void     ServerStart();
   void     ClientRestart();
   SRpcMsg* SendReq(tmsg_t msgType, void* pCont, int32_t contLen);
-
- private:
-  void InitLog(const char* path);
+  void     InitLog(const char* path);
 
  private:
   TestServer server;
diff --git a/source/libs/executor/inc/executorimpl.h b/source/libs/executor/inc/executorimpl.h
index 48e5dbeeb1794f0074ae3e8e165be62869c49a75..aa018aa84fad283e1a558460e10cd4dcba8431cf 100644
--- a/source/libs/executor/inc/executorimpl.h
+++ b/source/libs/executor/inc/executorimpl.h
@@ -483,13 +483,14 @@ typedef struct STableIntervalOperatorInfo {
   SOptrBasicInfo     binfo;                // basic info
   SGroupResInfo      groupResInfo;         // multiple results build supporter
   SInterval          interval;             // interval info
+  int32_t            primaryTsIndex;       // primary time stamp slot id from result of downstream operator.
   STimeWindow        win;                  // query time range
   bool               timeWindowInterpo;    // interpolation needed or not
   char             **pRow;                 // previous row/tuple of already processed datablock
   SAggSupporter      aggSup;               // aggregate supporter
   STableQueryInfo   *pCurrent;             // current tableQueryInfo struct
   int32_t            order;                // current SSDataBlock scan order
-  EOPTR_EXEC_MODEL    execModel;            // operator execution model [batch model|stream model]
+  EOPTR_EXEC_MODEL   execModel;            // operator execution model [batch model|stream model]
   SArray            *pUpdatedWindow;       // updated time window due to the input data block from the downstream operator.
   SColumnInfoData    timeWindowData;       // query time window info for scalar function execution.
 } STableIntervalOperatorInfo;
@@ -670,7 +671,7 @@ SOperatorInfo *createSortOperatorInfo(SOperatorInfo* downstream, SSDataBlock* pR
 SOperatorInfo* createSortedMergeOperatorInfo(SOperatorInfo** downstream, int32_t numOfDownstream, SExprInfo* pExprInfo, int32_t num, SArray* pSortInfo, SArray* pGroupInfo, SExecTaskInfo* pTaskInfo);
 SOperatorInfo* createSysTableScanOperatorInfo(void* pSysTableReadHandle, SSDataBlock* pResBlock, const SName* pName,
                                               SNode* pCondition, SEpSet epset, SArray* colList, SExecTaskInfo* pTaskInfo, bool showRewrite, int32_t accountId);
-SOperatorInfo* createIntervalOperatorInfo(SOperatorInfo* downstream, SExprInfo* pExprInfo, int32_t numOfCols, SSDataBlock* pResBlock, SInterval* pInterval,
+SOperatorInfo* createIntervalOperatorInfo(SOperatorInfo* downstream, SExprInfo* pExprInfo, int32_t numOfCols, SSDataBlock* pResBlock, SInterval* pInterval, int32_t primaryTsSlot,
                                           const STableGroupInfo* pTableGroupInfo, SExecTaskInfo* pTaskInfo);
 SOperatorInfo* createSessionAggOperatorInfo(SOperatorInfo* downstream, SExprInfo* pExprInfo, int32_t numOfCols, SSDataBlock* pResBlock, int64_t gap, SExecTaskInfo* pTaskInfo);
 SOperatorInfo* createGroupOperatorInfo(SOperatorInfo* downstream, SExprInfo* pExprInfo, int32_t numOfCols, SSDataBlock* pResultBlock,
diff --git a/source/libs/executor/src/executorimpl.c b/source/libs/executor/src/executorimpl.c
index 53117b47380d45235a37d0c9db6bca31afe16961..630e6d71a38f4093e563237f22a94650969a1eb7 100644
--- a/source/libs/executor/src/executorimpl.c
+++ b/source/libs/executor/src/executorimpl.c
@@ -980,7 +980,7 @@ void doApplyFunctions(SqlFunctionCtx* pCtx, STimeWindow* pWin, SColumnInfoData*
   for (int32_t k = 0; k < numOfOutput; ++k) {
     pCtx[k].startTs = pWin->skey;
 
-    // keep it temporarialy
+    // keep it temporarily
     bool    hasAgg      = pCtx[k].input.colDataAggIsSet;
     int32_t numOfRows   = pCtx[k].input.numOfRows;
     int32_t startOffset = pCtx[k].input.startRowIndex;
@@ -1012,7 +1012,6 @@ void doApplyFunctions(SqlFunctionCtx* pCtx, STimeWindow* pWin, SColumnInfoData*
       SScalarParam tw = {.numOfRows = 5, .columnData = pTimeWindowData};
       pCtx[k].sfp.process(&tw, 1, &out);
       pEntryInfo->numOfRes = 1;
-      pEntryInfo->hasResult = ',';
       continue;
     }
 
@@ -1264,6 +1263,21 @@ static void projectApplyFunctions(SExprInfo* pExpr, SSDataBlock* pResult, SSData
       colDataAssign(pColInfoData, pCtx[k].input.pData[0], pCtx[k].input.numOfRows);
 
       pResult->info.rows = pCtx[0].input.numOfRows;
+    } else if (pExpr[k].pExpr->nodeType == QUERY_NODE_VALUE) {
+      SVariant *pVal = pExpr->pExpr->pVal;
+      char *payload;
+      if (IS_VAR_DATA_TYPE(pVal->nType)) {
+        payload = taosMemoryCalloc(1, pVal->nLen + VARSTR_HEADER_SIZE);
+      } else {
+        payload = taosMemoryCalloc(1, tDataTypes[pVal->nType].bytes);
+      }
+      taosVariantDump(pVal, payload, pVal->nType, true);
+      SColumnInfoData* pColInfoData = taosArrayGet(pResult->pDataBlock, k);
+      for (int32_t i = 0; i < pSrcBlock->info.rows; ++i) {
+        colDataAppend(pColInfoData, i, payload, false);
+      }
+      taosMemoryFree(payload);
+      pResult->info.rows = pSrcBlock->info.rows;
     } else if (pExpr[k].pExpr->nodeType == QUERY_NODE_OPERATOR) {
       SArray* pBlockList = taosArrayInit(4, POINTER_BYTES);
       taosArrayPush(pBlockList, &pSrcBlock);
@@ -1511,7 +1525,7 @@ static SArray* hashIntervalAgg(SOperatorInfo* pOperatorInfo, SResultRowInfo* pRe
 
   TSKEY* tsCols = NULL;
   if (pSDataBlock->pDataBlock != NULL) {
-    SColumnInfoData* pColDataInfo = taosArrayGet(pSDataBlock->pDataBlock, 0);
+    SColumnInfoData* pColDataInfo = taosArrayGet(pSDataBlock->pDataBlock, pInfo->primaryTsIndex);
     tsCols = (int64_t*)pColDataInfo->pData;
 //    assert(tsCols[0] == pSDataBlock->info.window.skey && tsCols[pSDataBlock->info.rows - 1] ==
 //           pSDataBlock->info.window.ekey);
@@ -3144,11 +3158,6 @@ void finalizeMultiTupleQueryResult(SqlFunctionCtx* pCtx, int32_t numOfOutput, SD
     }
 
     releaseBufPage(pBuf, bufPage);
-    /*
-     * set the number of output results for group by normal columns, the number of output rows usually is 1 except
-     * the top and bottom query
-     */
-    //    buf->numOfRows = (uint16_t)getNumOfResult(pCtx, numOfOutput);
   }
 }
 
@@ -3285,7 +3294,8 @@ void doFilter(const SNode* pFilterNode, SSDataBlock* pBlock) {
   }
 
   SFilterInfo* filter = NULL;
-  int32_t      code = filterInitFromNode((SNode*)pFilterNode, &filter, 0);
+
+  int32_t code = filterInitFromNode((SNode*)pFilterNode, &filter, 0);
 
   SFilterColumnParam param1 = {.numOfCols = pBlock->info.numOfCols, .pDataBlock = pBlock->pDataBlock};
   code = filterSetDataFromSlotId(filter, &param1);
@@ -3296,6 +3306,7 @@ void doFilter(const SNode* pFilterNode, SSDataBlock* pBlock) {
   SSDataBlock* px = createOneDataBlock(pBlock);
   blockDataEnsureCapacity(px, pBlock->info.rows);
 
+  // todo extract method
   int32_t numOfRow = 0;
   for (int32_t i = 0; i < pBlock->info.numOfCols; ++i) {
     SColumnInfoData* pDst = taosArrayGet(px->pDataBlock, i);
@@ -3307,7 +3318,11 @@ void doFilter(const SNode* pFilterNode, SSDataBlock* pBlock) {
         continue;
       }
 
-      colDataAppend(pDst, numOfRow, colDataGetData(pSrc, j), false);
+      if (colDataIsNull_s(pSrc, j)) {
+        colDataAppendNULL(pDst, numOfRow);
+      } else {
+        colDataAppend(pDst, numOfRow, colDataGetData(pSrc, j), false);
+      }
       numOfRow += 1;
     }
 
@@ -3525,7 +3540,7 @@ static int32_t doCopyToSDataBlock(SDiskbasedBuf* pBuf, SGroupResInfo* pGroupResI
       SResultRowEntryInfo* pEntryInfo = getResultCell(pRow, j, rowCellOffset);
 
       char* in = GET_ROWCELL_INTERBUF(pEntryInfo);
-      colDataAppend(pColInfoData, nrows, in, pEntryInfo->numOfRes == 0);
+      colDataAppend(pColInfoData, nrows, in, pEntryInfo->isNullRes);
     }
 
     releaseBufPage(pBuf, page);
@@ -6355,7 +6370,7 @@ _error:
 }
 
 SOperatorInfo* createIntervalOperatorInfo(SOperatorInfo* downstream, SExprInfo* pExprInfo, int32_t numOfCols,
-                                          SSDataBlock* pResBlock, SInterval* pInterval,
+                                          SSDataBlock* pResBlock, SInterval* pInterval, int32_t primaryTsSlot,
                                           const STableGroupInfo* pTableGroupInfo, SExecTaskInfo* pTaskInfo) {
   STableIntervalOperatorInfo* pInfo = taosMemoryCalloc(1, sizeof(STableIntervalOperatorInfo));
   SOperatorInfo*              pOperator = taosMemoryCalloc(1, sizeof(SOperatorInfo));
@@ -6371,6 +6386,8 @@ SOperatorInfo* createIntervalOperatorInfo(SOperatorInfo* downstream, SExprInfo*
   pInfo->win.skey  = 0;
   pInfo->win.ekey  = INT64_MAX;
 
+  pInfo->primaryTsIndex = primaryTsSlot;
+
   int32_t numOfRows = 4096;
   int32_t code = initAggInfo(&pInfo->binfo, &pInfo->aggSup, pExprInfo, numOfCols, numOfRows, pResBlock, pTaskInfo->id.str);
   initExecTimeWindowInfo(&pInfo->timeWindowData, &pInfo->win);
@@ -6958,6 +6975,16 @@ SExprInfo* createExprInfo(SNodeList* pNodeList, SNodeList* pGroupKeys, int32_t*
       pExp->base.resSchema = createResSchema(pType->type, pType->bytes, pTargetNode->slotId, pType->scale, pType->precision, pColNode->colName);
       pExp->base.pParam[0].pCol = createColumn(pColNode->dataBlockId, pColNode->slotId, pType);
       pExp->base.pParam[0].type = FUNC_PARAM_TYPE_COLUMN;
+    } else if (nodeType(pTargetNode->pExpr) == QUERY_NODE_VALUE) {
+      pExp->pExpr->nodeType  = QUERY_NODE_VALUE;
+      SValueNode* pValueNode = (SValueNode*)pTargetNode->pExpr;
+      SDataType* pType = &pValueNode->node.resType;
+      char *pDatum = nodesGetValueFromNode(pValueNode);
+      if (IS_VAR_DATA_TYPE(pType->type)) {
+        pDatum = varDataVal(pDatum);
+      }
+      pExp->pExpr->pVal = taosMemoryCalloc(1, sizeof(SVariant));
+      taosVariantCreateFromBinary(pExp->pExpr->pVal, pDatum, pType->bytes, pType->type);
     } else if (nodeType(pTargetNode->pExpr) == QUERY_NODE_FUNCTION) {
       pExp->pExpr->nodeType = QUERY_NODE_FUNCTION;
       SFunctionNode* pFuncNode = (SFunctionNode*)pTargetNode->pExpr;
@@ -7137,18 +7164,21 @@ SOperatorInfo* createOperatorTree(SPhysiNode* pPhyNode, SExecTaskInfo* pTaskInfo
 
       SIntervalPhysiNode* pIntervalPhyNode = (SIntervalPhysiNode*)pPhyNode;
 
-      // todo: set the correct primary timestamp key column
       int32_t      num = 0;
       SExprInfo*   pExprInfo = createExprInfo(pIntervalPhyNode->window.pFuncs, NULL, &num);
       SSDataBlock* pResBlock = createOutputBuf_rv1(pPhyNode->pOutputDataBlockDesc);
 
-      SInterval interval = {.interval     = pIntervalPhyNode->interval,
-                            .sliding      = pIntervalPhyNode->sliding,
-                            .intervalUnit = pIntervalPhyNode->intervalUnit,
-                            .slidingUnit  = pIntervalPhyNode->slidingUnit,
-                            .offset       = pIntervalPhyNode->offset,
-                            .precision    = TSDB_TIME_PRECISION_MILLI};
-      return createIntervalOperatorInfo(op, pExprInfo, num, pResBlock, &interval, pTableGroupInfo, pTaskInfo);
+      SInterval interval = {
+          .interval     = pIntervalPhyNode->interval,
+          .sliding      = pIntervalPhyNode->sliding,
+          .intervalUnit = pIntervalPhyNode->intervalUnit,
+          .slidingUnit  = pIntervalPhyNode->slidingUnit,
+          .offset       = pIntervalPhyNode->offset,
+          .precision    = pIntervalPhyNode->precision
+      };
+
+      int32_t primaryTsSlotId = ((SColumnNode*) pIntervalPhyNode->pTspk)->slotId;
+      return createIntervalOperatorInfo(op, pExprInfo, num, pResBlock, &interval, primaryTsSlotId, pTableGroupInfo, pTaskInfo);
     }
   } else if (QUERY_NODE_PHYSICAL_PLAN_SORT == nodeType(pPhyNode)) {
     size_t size = LIST_LENGTH(pPhyNode->pChildren);
diff --git a/source/libs/executor/src/groupoperator.c b/source/libs/executor/src/groupoperator.c
index c22b58a0d8f16dd78ffe408495d79072615f453a..a33a240328214a1013f18ff7bbf86b8b069743e3 100644
--- a/source/libs/executor/src/groupoperator.c
+++ b/source/libs/executor/src/groupoperator.c
@@ -106,7 +106,7 @@ static bool groupKeyCompare(SGroupbyOperatorInfo* pInfo, SSDataBlock* pBlock, in
   return true;
 }
 
-static void keepGroupKeys(SGroupbyOperatorInfo* pInfo, SSDataBlock* pBlock, int32_t rowIndex, int32_t numOfGroupCols) {
+static void recordNewGroupKeys(SGroupbyOperatorInfo* pInfo, SSDataBlock* pBlock, int32_t rowIndex, int32_t numOfGroupCols) {
   SColumnDataAgg* pColAgg = NULL;
 
   for (int32_t i = 0; i < numOfGroupCols; ++i) {
@@ -131,7 +131,7 @@ static void keepGroupKeys(SGroupbyOperatorInfo* pInfo, SSDataBlock* pBlock, int3
   }
 }
 
-static int32_t generatedHashKey(void* pKey, int32_t* length, SArray* pGroupColVals) {
+static int32_t buildGroupValKey(void* pKey, int32_t* length, SArray* pGroupColVals) {
   ASSERT(pKey != NULL);
   size_t numOfGroupCols = taosArrayGetSize(pGroupColVals);
 
@@ -170,11 +170,12 @@ static void doAssignGroupKeys(SqlFunctionCtx* pCtx, int32_t numOfOutput, int32_t
         char* dest = GET_ROWCELL_INTERBUF(pEntryInfo);
         char* data = colDataGetData(pColInfoData, rowIndex);
 
-        // set result exists, todo refactor
         memcpy(dest, data, pColInfoData->info.bytes);
-        pEntryInfo->hasResult = DATA_SET_FLAG;
-        pEntryInfo->numOfRes = 1;
+      } else { // it is a NULL value
+        pEntryInfo->isNullRes = 1;
       }
+
+      pEntryInfo->numOfRes = 1;
     }
   }
 }
@@ -197,7 +198,7 @@ static void doHashGroupbyAgg(SOperatorInfo* pOperator, SSDataBlock* pBlock) {
   for (int32_t j = 0; j < pBlock->info.rows; ++j) {
     // Compare with the previous row of this column, and do not set the output buffer again if they are identical.
     if (!pInfo->isInit) {
-      keepGroupKeys(pInfo, pBlock, j, numOfGroupCols);
+      recordNewGroupKeys(pInfo, pBlock, j, numOfGroupCols);
       pInfo->isInit = true;
       num++;
       continue;
@@ -209,7 +210,14 @@ static void doHashGroupbyAgg(SOperatorInfo* pOperator, SSDataBlock* pBlock) {
       continue;
     }
 
-    /*int32_t ret = */ generatedHashKey(pInfo->keyBuf, &len, pInfo->pGroupColVals);
+    // The first row of a new block does not belongs to the previous existed group
+    if (!equal && j == 0) {
+      num++;
+      recordNewGroupKeys(pInfo, pBlock, j, numOfGroupCols);
+      continue;
+    }
+
+    /*int32_t ret = */ buildGroupValKey(pInfo->keyBuf, &len, pInfo->pGroupColVals);
     int32_t ret = setGroupResultOutputBuf_rv(&(pInfo->binfo), pOperator->numOfOutput, pInfo->keyBuf, TSDB_DATA_TYPE_VARCHAR, len, 0, pInfo->aggSup.pResultBuf, pTaskInfo, &pInfo->aggSup);
     if (ret != TSDB_CODE_SUCCESS) {  // null data, too many state code
       longjmp(pTaskInfo->env, TSDB_CODE_QRY_APP_ERROR);
@@ -220,12 +228,12 @@ static void doHashGroupbyAgg(SOperatorInfo* pOperator, SSDataBlock* pBlock) {
 
     // assign the group keys or user input constant values if required
     doAssignGroupKeys(pCtx, pOperator->numOfOutput, pBlock->info.rows, rowIndex);
-    keepGroupKeys(pInfo, pBlock, j, numOfGroupCols);
+    recordNewGroupKeys(pInfo, pBlock, j, numOfGroupCols);
     num = 1;
   }
 
   if (num > 0) {
-    /*int32_t ret = */ generatedHashKey(pInfo->keyBuf, &len, pInfo->pGroupColVals);
+    /*int32_t ret = */ buildGroupValKey(pInfo->keyBuf, &len, pInfo->pGroupColVals);
     int32_t ret =
         setGroupResultOutputBuf_rv(&(pInfo->binfo), pOperator->numOfOutput, pInfo->keyBuf, TSDB_DATA_TYPE_VARCHAR, len,
                                    0, pInfo->aggSup.pResultBuf, pTaskInfo, &pInfo->aggSup);
@@ -288,8 +296,7 @@ static SSDataBlock* hashGroupbyAggregate(SOperatorInfo* pOperator, bool* newgrou
   initGroupResInfo(&pInfo->groupResInfo, &pInfo->binfo.resultRowInfo);
 
   while(1) {
-    toSDatablock(&pInfo->groupResInfo, pInfo->aggSup.pResultBuf, pRes, pInfo->binfo.capacity,
-                 pInfo->binfo.rowCellInfoOffset);
+    toSDatablock(&pInfo->groupResInfo, pInfo->aggSup.pResultBuf, pRes, pInfo->binfo.capacity, pInfo->binfo.rowCellInfoOffset);
     doFilter(pInfo->pCondition, pRes);
 
     bool hasRemain = hasRemainDataInCurrentGroup(&pInfo->groupResInfo);
diff --git a/source/libs/function/src/builtinsimpl.c b/source/libs/function/src/builtinsimpl.c
index fb6abe3c5d027c1a83c8c676b8b8ab198016f367..eafe9e5a3323a2018eb35c909f71800196223025 100644
--- a/source/libs/function/src/builtinsimpl.c
+++ b/source/libs/function/src/builtinsimpl.c
@@ -25,7 +25,6 @@
       break;                            \
     }                                   \
     (_info)->numOfRes = (res);          \
-    (_info)->hasResult = DATA_SET_FLAG; \
   } while (0)
 
 typedef struct SSumRes {
@@ -49,11 +48,11 @@ bool functionSetup(SqlFunctionCtx *pCtx, SResultRowEntryInfo* pResultInfo) {
   return true;
 }
 
-static void doFinalizer(SResultRowEntryInfo* pResInfo) { cleanupResultRowEntry(pResInfo); }
-
 void functionFinalize(SqlFunctionCtx *pCtx) {
   SResultRowEntryInfo* pResInfo = GET_RES_INFO(pCtx);
-  doFinalizer(pResInfo);
+
+  cleanupResultRowEntry(pResInfo);
+  pResInfo->isNullRes = (pResInfo->numOfRes == 0)? 1:0;
 }
 
 bool getCountFuncEnv(SFunctionNode* UNUSED_PARAM(pFunc), SFuncExecEnv* pEnv) {
@@ -715,7 +714,6 @@ int32_t percentileFunction(SqlFunctionCtx *pCtx) {
   }
 
   SET_VAL(pResInfo, notNullElems, 1);
-  pResInfo->hasResult = DATA_SET_FLAG;
 }
 
 // TODO set the correct parameter.
@@ -775,9 +773,7 @@ int32_t firstFunction(SqlFunctionCtx *pCtx) {
 //      DO_UPDATE_TAG_COLUMNS(pCtx, k);
 //    }
 
-    pResInfo->hasResult = DATA_SET_FLAG;
     pResInfo->complete = true;
-
     numOfElems++;
     break;
   }
@@ -815,8 +811,6 @@ int32_t lastFunction(SqlFunctionCtx *pCtx) {
 
 //      TSKEY ts = pCtx->ptsList ? GET_TS_DATA(pCtx, i) : 0;
 //      DO_UPDATE_TAG_COLUMNS(pCtx, ts);
-
-      pResInfo->hasResult = DATA_SET_FLAG;
       pResInfo->complete = true;  // set query completed on this column
       numOfElems++;
       break;
@@ -830,10 +824,8 @@ int32_t lastFunction(SqlFunctionCtx *pCtx) {
       char* data = colDataGetData(pInputCol, i);
       TSKEY ts = pCtx->ptsList ? GET_TS_DATA(pCtx, i) : 0;
 
-      if (pResInfo->hasResult != DATA_SET_FLAG || (*(TSKEY*)buf) < ts) {
-        pResInfo->hasResult = DATA_SET_FLAG;
+      if (pResInfo->numOfRes == 0 || (*(TSKEY*)buf) < ts) {
         memcpy(buf, data, pCtx->inputBytes);
-
         *(TSKEY*)buf = ts;
 //        DO_UPDATE_TAG_COLUMNS(pCtx, ts);
       }
diff --git a/source/libs/function/src/taggfunction.c b/source/libs/function/src/taggfunction.c
index 789bfb61eeef53ec8bd2b90c0bb8966523f895d5..60566d00d8b4be2e83ca62881f158db92bb35f59 100644
--- a/source/libs/function/src/taggfunction.c
+++ b/source/libs/function/src/taggfunction.c
@@ -208,7 +208,7 @@ int32_t getNumOfResult(SqlFunctionCtx* pCtx, int32_t num, SSDataBlock* pResBlock
     SColumnInfoData* pCol = taosArrayGet(pResBlock->pDataBlock, i);
 
     SResultRowEntryInfo *pResInfo = GET_RES_INFO(&pCtx[i]);
-    if (!pResInfo->hasResult) {
+    if (pResInfo->numOfRes == 0) {
       for(int32_t j = 0; j < pResInfo->numOfRes; ++j) {
         colDataAppend(pCol, j, NULL, true);  // TODO add set null data api
       }
diff --git a/source/libs/nodes/src/nodesUtilFuncs.c b/source/libs/nodes/src/nodesUtilFuncs.c
index eaee6ef4daff63a4b38656804c762eb7a683a92e..95a3280fc2f9d4e24ceece2005f9b0ac24b661f8 100644
--- a/source/libs/nodes/src/nodesUtilFuncs.c
+++ b/source/libs/nodes/src/nodesUtilFuncs.c
@@ -783,11 +783,11 @@ void* nodesGetValueFromNode(SValueNode *pNode) {
     case TSDB_DATA_TYPE_UBIGINT:
       return (void*)&pNode->datum.u;
     case TSDB_DATA_TYPE_FLOAT:
-    case TSDB_DATA_TYPE_DOUBLE: 
+    case TSDB_DATA_TYPE_DOUBLE:
       return (void*)&pNode->datum.d;
     case TSDB_DATA_TYPE_NCHAR:
     case TSDB_DATA_TYPE_VARCHAR:
-    case TSDB_DATA_TYPE_VARBINARY: 
+    case TSDB_DATA_TYPE_VARBINARY:
       return (void*)pNode->datum.p;
     default:
       break;
@@ -803,7 +803,7 @@ char* nodesGetStrValueFromNode(SValueNode *pNode) {
       if (NULL == buf) {
         return NULL;
       }
-      
+
       sprintf(buf, "%s", pNode->datum.b ? "true" : "false");
       return buf;
     }
@@ -816,7 +816,7 @@ char* nodesGetStrValueFromNode(SValueNode *pNode) {
       if (NULL == buf) {
         return NULL;
       }
-      
+
       sprintf(buf, "%" PRId64, pNode->datum.i);
       return buf;
     }
@@ -828,7 +828,7 @@ char* nodesGetStrValueFromNode(SValueNode *pNode) {
       if (NULL == buf) {
         return NULL;
       }
-      
+
       sprintf(buf, "%" PRIu64, pNode->datum.u);
       return buf;
     }
@@ -838,7 +838,7 @@ char* nodesGetStrValueFromNode(SValueNode *pNode) {
       if (NULL == buf) {
         return NULL;
       }
-      
+
       sprintf(buf, "%e", pNode->datum.d);
       return buf;
     }
@@ -850,7 +850,7 @@ char* nodesGetStrValueFromNode(SValueNode *pNode) {
       if (NULL == buf) {
         return NULL;
       }
-      
+
       snprintf(buf, bufSize, "'%s'", varDataVal(pNode->datum.p));
       return buf;
     }
diff --git a/source/os/src/osShm.c b/source/os/src/osShm.c
index bf784f14accbacbd7a4c6e6c1dcbd085239b3f09..35aec30f3921e2e50b51fd3cb84860e5dfb4a3b4 100644
--- a/source/os/src/osShm.c
+++ b/source/os/src/osShm.c
@@ -20,7 +20,13 @@
 int32_t taosCreateShm(SShm* pShm, int32_t key, int32_t shmsize) {
   pShm->id = -1;
 
-  int32_t shmid = shmget(0X95270000 + key, shmsize, IPC_CREAT | 0600);
+  // key_t shkey = IPC_PRIVATE;
+  // int32_t __shmflag = IPC_CREAT | IPC_EXCL | 0600;
+
+  key_t   __shkey = 0X95270000 + key;
+  int32_t __shmflag = IPC_CREAT | 0600;
+
+  int32_t shmid = shmget(__shkey, shmsize, __shmflag);
   if (shmid < 0) {
     return -1;
   }
diff --git a/source/util/src/tconfig.c b/source/util/src/tconfig.c
index ce9ef5b1c089a218b420b9ab8b6a67095812c9b6..e7e870e998300e25823ee98eea40d509dd36ffb7 100644
--- a/source/util/src/tconfig.c
+++ b/source/util/src/tconfig.c
@@ -348,6 +348,7 @@ SConfigItem *cfgGetItem(SConfig *pCfg, const char *name) {
     }
   }
 
+  uError("name:%s, cfg not found", name);
   terrno = TSDB_CODE_CFG_NOT_FOUND;
   return NULL;
 }
diff --git a/source/util/src/terror.c b/source/util/src/terror.c
index 38cd5fad4bbb3f67f2649907804df05ef84e5049..6d4de2f57599cdf92790dac77ae278b5775331f1 100644
--- a/source/util/src/terror.c
+++ b/source/util/src/terror.c
@@ -68,7 +68,6 @@ TAOS_DEFINE_ERROR(TSDB_CODE_RPC_INVALID_TIME_STAMP,       "Client and server's t
 TAOS_DEFINE_ERROR(TSDB_CODE_APP_NOT_READY,                "Database not ready")
 TAOS_DEFINE_ERROR(TSDB_CODE_RPC_FQDN_ERROR,               "Unable to resolve FQDN")
 TAOS_DEFINE_ERROR(TSDB_CODE_RPC_INVALID_VERSION,          "Invalid app version")
-TAOS_DEFINE_ERROR(TSDB_CODE_COMPRESS_ERROR,               "Failed to compress msg")
 
 //common & util
 TAOS_DEFINE_ERROR(TSDB_CODE_OPS_NOT_SUPPORT,              "Operation not supported")
@@ -96,6 +95,7 @@ TAOS_DEFINE_ERROR(TSDB_CODE_REF_NOT_EXIST,                "Ref is not there")
 TAOS_DEFINE_ERROR(TSDB_CODE_INVALID_VERSION_NUMBER,       "Invalid version number")
 TAOS_DEFINE_ERROR(TSDB_CODE_INVALID_VERSION_STRING,       "Invalid version string")
 TAOS_DEFINE_ERROR(TSDB_CODE_VERSION_NOT_COMPATIBLE,       "Version not compatible")
+TAOS_DEFINE_ERROR(TSDB_CODE_COMPRESS_ERROR,               "Failed to compress msg")
 
 //client
 TAOS_DEFINE_ERROR(TSDB_CODE_TSC_INVALID_OPERATION,        "Invalid operation")
diff --git a/source/util/src/tprocess.c b/source/util/src/tprocess.c
index 139c35de4567938fc3e528098b47be234fd88032..2cafd3f7f6c9b6f9916f6314788a06e8346982ef 100644
--- a/source/util/src/tprocess.c
+++ b/source/util/src/tprocess.c
@@ -21,7 +21,6 @@
 #include "tlog.h"
 #include "tqueue.h"
 
-#define SHM_DEFAULT_SIZE (20 * 1024 * 1024)
 typedef void *(*ProcThreadFp)(void *param);
 
 typedef struct SProcQueue {
@@ -80,7 +79,7 @@ static int32_t taosProcInitMutex(SProcQueue *pQueue) {
   }
 
   if (taosThreadMutexInit(&pQueue->mutex, &mattr) != 0) {
-    taosThreadMutexDestroy(&pQueue->mutex);
+    taosThreadMutexAttrDestroy(&mattr);
     terrno = TAOS_SYSTEM_ERROR(errno);
     uError("failed to init mutex since %s", terrstr());
     return -1;
@@ -156,6 +155,11 @@ static void taosProcCleanupQueue(SProcQueue *pQueue) {
 
 static int32_t taosProcQueuePush(SProcObj *pProc, SProcQueue *pQueue, const char *pHead, int16_t rawHeadLen,
                                  const char *pBody, int32_t rawBodyLen, int64_t handle, ProcFuncType ftype) {
+  if (rawHeadLen == 0 || pHead == NULL) {
+    terrno = TSDB_CODE_INVALID_PARA;
+    return -1;
+  }
+
   const int32_t headLen = CEIL8(rawHeadLen);
   const int32_t bodyLen = CEIL8(rawBodyLen);
   const int32_t fullLen = headLen + bodyLen + 8;
@@ -177,13 +181,13 @@ static int32_t taosProcQueuePush(SProcObj *pProc, SProcQueue *pQueue, const char
 
   const int32_t pos = pQueue->tail;
   if (pQueue->tail < pQueue->total) {
-    *(int16_t *)(pQueue->pBuffer + pQueue->tail) = headLen;
+    *(int16_t *)(pQueue->pBuffer + pQueue->tail) = rawHeadLen;
     *(int8_t *)(pQueue->pBuffer + pQueue->tail + 2) = (int8_t)ftype;
-    *(int32_t *)(pQueue->pBuffer + pQueue->tail + 4) = bodyLen;
+    *(int32_t *)(pQueue->pBuffer + pQueue->tail + 4) = rawBodyLen;
   } else {
-    *(int16_t *)(pQueue->pBuffer) = headLen;
+    *(int16_t *)(pQueue->pBuffer) = rawHeadLen;
     *(int8_t *)(pQueue->pBuffer + 2) = (int8_t)ftype;
-    *(int32_t *)(pQueue->pBuffer + 4) = bodyLen;
+    *(int32_t *)(pQueue->pBuffer + 4) = rawBodyLen;
   }
 
   if (pQueue->tail < pQueue->head) {
@@ -239,18 +243,20 @@ static int32_t taosProcQueuePop(SProcQueue *pQueue, void **ppHead, int16_t *pHea
     return 0;
   }
 
-  int16_t headLen = 0;
+  int16_t rawHeadLen = 0;
   int8_t  ftype = 0;
-  int32_t bodyLen = 0;
+  int32_t rawBodyLen = 0;
   if (pQueue->head < pQueue->total) {
-    headLen = *(int16_t *)(pQueue->pBuffer + pQueue->head);
+    rawHeadLen = *(int16_t *)(pQueue->pBuffer + pQueue->head);
     ftype = *(int8_t *)(pQueue->pBuffer + pQueue->head + 2);
-    bodyLen = *(int32_t *)(pQueue->pBuffer + pQueue->head + 4);
+    rawBodyLen = *(int32_t *)(pQueue->pBuffer + pQueue->head + 4);
   } else {
-    headLen = *(int16_t *)(pQueue->pBuffer);
+    rawHeadLen = *(int16_t *)(pQueue->pBuffer);
     ftype = *(int8_t *)(pQueue->pBuffer + 2);
-    bodyLen = *(int32_t *)(pQueue->pBuffer + 4);
+    rawBodyLen = *(int32_t *)(pQueue->pBuffer + 4);
   }
+  int16_t headLen = CEIL8(rawHeadLen);
+  int32_t bodyLen = CEIL8(rawBodyLen);
 
   void *pHead = (*mallocHeadFp)(headLen);
   void *pBody = (*mallocBodyFp)(bodyLen);
@@ -301,12 +307,12 @@ static int32_t taosProcQueuePop(SProcQueue *pQueue, void **ppHead, int16_t *pHea
 
   *ppHead = pHead;
   *ppBody = pBody;
-  *pHeadLen = headLen;
-  *pBodyLen = bodyLen;
+  *pHeadLen = rawHeadLen;
+  *pBodyLen = rawBodyLen;
   *pFuncType = (ProcFuncType)ftype;
 
   uTrace("proc:%s, pop msg at pos:%d ftype:%d remain:%d, head:%d %p body:%d %p", pQueue->name, pos, ftype,
-         pQueue->items, headLen, pHead, bodyLen, pBody);
+         pQueue->items, rawHeadLen, pHead, rawBodyLen, pBody);
   return 1;
 }
 
@@ -383,7 +389,7 @@ static void taosProcThreadLoop(SProcObj *pProc) {
     freeBodyFp = pProc->parentFreeBodyFp;
   }
 
-  uDebug("proc:%s, start to get msg from queue:%p", pProc->name, pQueue);
+  uDebug("proc:%s, start to get msg from queue:%p, thread:%" PRId64, pProc->name, pQueue, pProc->thread);
 
   while (1) {
     int32_t numOfMsgs = taosProcQueuePop(pQueue, &pHead, &headLen, &pBody, &bodyLen, &ftype, mallocHeadFp, freeHeadFp,
@@ -392,7 +398,7 @@ static void taosProcThreadLoop(SProcObj *pProc) {
       uDebug("proc:%s, get no msg from queue:%p and exit the proc thread", pProc->name, pQueue);
       break;
     } else if (numOfMsgs < 0) {
-      uTrace("proc:%s, get no msg from queue:%p since %s", pProc->name, pQueue, terrstr());
+      uError("proc:%s, get no msg from queue:%p since %s", pProc->name, pQueue, terrstr());
       taosMsleep(1);
       continue;
     } else {
@@ -412,11 +418,11 @@ int32_t taosProcRun(SProcObj *pProc) {
     return -1;
   }
 
-  uDebug("proc:%s, start to consume queue:%p, thread:%" PRId64, pProc->name, pProc->pChildQueue, pProc->thread);
+  uDebug("proc:%s, start to consume, thread:%" PRId64, pProc->name, pProc->thread);
   return 0;
 }
 
-static void taosProcStop(SProcObj *pProc) {
+void taosProcStop(SProcObj *pProc) {
   if (!taosCheckPthreadValid(pProc->thread)) return;
 
   uDebug("proc:%s, start to join thread:%" PRId64, pProc->name, pProc->thread);
@@ -428,6 +434,7 @@ static void taosProcStop(SProcObj *pProc) {
   }
   tsem_post(&pQueue->sem);
   taosThreadJoin(pProc->thread, NULL);
+  pProc->thread = 0;
 }
 
 void taosProcCleanup(SProcObj *pProc) {
@@ -448,6 +455,10 @@ void taosProcCleanup(SProcObj *pProc) {
 
 int32_t taosProcPutToChildQ(SProcObj *pProc, const void *pHead, int16_t headLen, const void *pBody, int32_t bodyLen,
                             void *handle, ProcFuncType ftype) {
+  if (ftype != PROC_REQ) {
+    terrno = TSDB_CODE_INVALID_PARA;
+    return -1;
+  }
   return taosProcQueuePush(pProc, pProc->pChildQueue, pHead, headLen, pBody, bodyLen, (int64_t)handle, ftype);
 }
 
@@ -464,13 +475,18 @@ void taosProcCloseHandles(SProcObj *pProc, void (*HandleFp)(void *handle)) {
   while (h != NULL) {
     void *handle = *((void **)h);
     (*HandleFp)(handle);
+    h = taosHashIterate(pProc->hash, h);
   }
+  taosHashClear(pProc->hash);
   taosThreadMutexUnlock(&pProc->pChildQueue->mutex);
 }
 
 void taosProcPutToParentQ(SProcObj *pProc, const void *pHead, int16_t headLen, const void *pBody, int32_t bodyLen,
                           ProcFuncType ftype) {
+  int32_t retry = 0;
   while (taosProcQueuePush(pProc, pProc->pParentQueue, pHead, headLen, pBody, bodyLen, 0, ftype) != 0) {
-    taosMsleep(1);
+    uWarn("proc:%s, failed to put to queue:%p since %s, retry:%d", pProc->name, pProc->pParentQueue, terrstr(), retry);
+    retry++;
+    taosMsleep(retry);
   }
 }
diff --git a/source/util/test/CMakeLists.txt b/source/util/test/CMakeLists.txt
index d6b779b6e32b98b0f729d71a428bd4ea5512f731..d98f9f677d33eff7517c97ecfe9f2ab9538dd4e5 100644
--- a/source/util/test/CMakeLists.txt
+++ b/source/util/test/CMakeLists.txt
@@ -46,11 +46,11 @@ add_executable(encodeTest "encodeTest.cpp")
 target_link_libraries(encodeTest os util gtest gtest_main)
 
 # queueTest
-add_executable(queue_test "queueTest.cpp")
-target_link_libraries(queue_test os util gtest_main)   
+add_executable(procTest "procTest.cpp")
+target_link_libraries(procTest os util transport sut gtest_main)   
 add_test(
-    NAME queue_test
-    COMMAND queue_test
+    NAME procTest
+    COMMAND procTest
 )
 
 # cfgTest
diff --git a/source/util/test/procTest.cpp b/source/util/test/procTest.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..54aaf496735c6657508ce2e995f97da3aa1fe612
--- /dev/null
+++ b/source/util/test/procTest.cpp
@@ -0,0 +1,257 @@
+/**
+ * @file queue.cpp
+ * @author slguan (slguan@taosdata.com)
+ * @brief UTIL module queue tests
+ * @version 1.0
+ * @date 2022-01-27
+ *
+ * @copyright Copyright (c) 2022
+ *
+ */
+
+#include <gtest/gtest.h>
+#include "tlog.h"
+#include "tprocess.h"
+#include "tqueue.h"
+
+typedef struct STestMsg {
+  uint16_t msgType;
+  void    *pCont;
+  int      contLen;
+  int32_t  code;
+  void    *handle;         // rpc handle returned to app
+  void    *ahandle;        // app handle set by client
+  int      noResp;         // has response or not(default 0, 0: resp, 1: no resp);
+  int      persistHandle;  // persist handle or not
+} STestMsg;
+
+class UtilTesProc : public ::testing::Test {
+ public:
+  void SetUp() override {
+    shm.id = -1;
+    for (int32_t i = 0; i < 4000; ++i) {
+      body[i] = i % 26 + 'a';
+    }
+    head.pCont = body;
+    head.code = 1;
+    head.msgType = 2;
+    head.noResp = 3;
+    head.persistHandle = 4;
+
+    taosRemoveDir("/tmp/td");
+    taosMkDir("/tmp/td");
+    tstrncpy(tsLogDir, "/tmp/td", PATH_MAX);
+    if (taosInitLog("taosdlog", 1) != 0) {
+      printf("failed to init log file\n");
+    }
+  }
+  void TearDown() override { taosDropShm(&shm); }
+
+ public:
+  static STestMsg head;
+  static char     body[4000];
+  static SShm     shm;
+  static void     SetUpTestSuite() {}
+  static void     TearDownTestSuite() {}
+};
+
+SShm     UtilTesProc::shm;
+char     UtilTesProc::body[4000];
+STestMsg UtilTesProc::head;
+
+TEST_F(UtilTesProc, 00_Init_Cleanup) {
+  ASSERT_EQ(taosCreateShm(&shm, 1234, 1024 * 1024 * 2), 0);
+
+  shm.size = 1023;
+  SProcCfg  cfg = {.childConsumeFp = (ProcConsumeFp)NULL,
+                   .childMallocHeadFp = (ProcMallocFp)taosAllocateQitem,
+                   .childFreeHeadFp = (ProcFreeFp)taosFreeQitem,
+                   .childMallocBodyFp = (ProcMallocFp)taosMemoryMalloc,
+                   .childFreeBodyFp = (ProcFreeFp)taosMemoryMalloc,
+                   .parentConsumeFp = (ProcConsumeFp)NULL,
+                   .parentMallocHeadFp = (ProcMallocFp)taosMemoryMalloc,
+                   .parentFreeHeadFp = (ProcFreeFp)taosMemoryFree,
+                   .parentMallocBodyFp = (ProcMallocFp)taosMemoryMalloc,
+                   .parentFreeBodyFp = (ProcFreeFp)taosMemoryMalloc,
+                   .shm = shm,
+                   .parent = &shm,
+                   .name = "1234"};
+  SProcObj *proc = taosProcInit(&cfg);
+  ASSERT_EQ(proc, nullptr);
+
+  shm.size = 2468;
+  cfg.shm = shm;
+  proc = taosProcInit(&cfg);
+  ASSERT_NE(proc, nullptr);
+
+  ASSERT_EQ(taosProcRun(proc), 0);
+  taosProcCleanup(proc);
+  taosDropShm(&shm);
+}
+
+void ConsumeChild1(void *parent, void *pHead, int16_t headLen, void *pBody, int32_t bodyLen, ProcFuncType ftype) {
+  STestMsg msg;
+  memcpy(&msg, pHead, headLen);
+  char body[2000] = {0};
+  memcpy(body, pBody, bodyLen);
+
+  uDebug("====> parent:%" PRId64 " ftype:%d, headLen:%d bodyLen:%d head:%d:%d:%d:%d body:%s <====", (int64_t)parent,
+         ftype, headLen, bodyLen, msg.code, msg.msgType, msg.noResp, msg.persistHandle, body);
+  taosMemoryFree(pBody);
+  taosFreeQitem(pHead);
+}
+
+TEST_F(UtilTesProc, 01_Push_Pop_Child) {
+  shm.size = 3000;
+  ASSERT_EQ(taosCreateShm(&shm, 1235, shm.size), 0);
+  SProcCfg  cfg = {.childConsumeFp = (ProcConsumeFp)ConsumeChild1,
+                   .childMallocHeadFp = (ProcMallocFp)taosAllocateQitem,
+                   .childFreeHeadFp = (ProcFreeFp)taosFreeQitem,
+                   .childMallocBodyFp = (ProcMallocFp)taosMemoryMalloc,
+                   .childFreeBodyFp = (ProcFreeFp)taosMemoryFree,
+                   .parentConsumeFp = (ProcConsumeFp)NULL,
+                   .parentMallocHeadFp = (ProcMallocFp)taosMemoryMalloc,
+                   .parentFreeHeadFp = (ProcFreeFp)taosMemoryFree,
+                   .parentMallocBodyFp = (ProcMallocFp)taosMemoryMalloc,
+                   .parentFreeBodyFp = (ProcFreeFp)taosMemoryFree,
+                   .shm = shm,
+                   .parent = (void *)((int64_t)1235),
+                   .name = "1235_c"};
+  SProcObj *cproc = taosProcInit(&cfg);
+  ASSERT_NE(cproc, nullptr);
+
+  ASSERT_NE(taosProcPutToChildQ(cproc, &head, 0, body, 0, 0, PROC_RSP), 0);
+  ASSERT_NE(taosProcPutToChildQ(cproc, &head, 0, body, 0, 0, PROC_REGIST), 0);
+  ASSERT_NE(taosProcPutToChildQ(cproc, &head, 0, body, 0, 0, PROC_RELEASE), 0);
+  ASSERT_NE(taosProcPutToChildQ(cproc, NULL, 12, body, 0, 0, PROC_REQ), 0);
+  ASSERT_NE(taosProcPutToChildQ(cproc, &head, 0, body, 0, 0, PROC_REQ), 0);
+  ASSERT_NE(taosProcPutToChildQ(cproc, &head, shm.size, body, 0, 0, PROC_REQ), 0);
+  ASSERT_NE(taosProcPutToChildQ(cproc, &head, sizeof(STestMsg), body, shm.size, 0, PROC_REQ), 0);
+
+  for (int32_t j = 0; j < 1000; j++) {
+    int32_t i = 0;
+    for (i = 0; i < 20; ++i) {
+      ASSERT_EQ(taosProcPutToChildQ(cproc, &head, sizeof(STestMsg), body, i, 0, PROC_REQ), 0);
+    }
+    ASSERT_NE(taosProcPutToChildQ(cproc, &head, sizeof(STestMsg), body, i, 0, PROC_REQ), 0);
+
+    cfg.isChild = true;
+    cfg.name = "1235_p";
+    SProcObj *pproc = taosProcInit(&cfg);
+    ASSERT_NE(pproc, nullptr);
+    taosProcRun(pproc);
+    taosProcCleanup(pproc);
+  }
+
+  taosProcCleanup(cproc);
+  taosDropShm(&shm);
+}
+
+void ConsumeParent1(void *parent, void *pHead, int16_t headLen, void *pBody, int32_t bodyLen, ProcFuncType ftype) {
+  STestMsg msg;
+  memcpy(&msg, pHead, headLen);
+  char body[2000] = {0};
+  memcpy(body, pBody, bodyLen);
+
+  uDebug("----> parent:%" PRId64 " ftype:%d, headLen:%d bodyLen:%d head:%d:%d:%d:%d body:%s <----", (int64_t)parent,
+         ftype, headLen, bodyLen, msg.code, msg.msgType, msg.noResp, msg.persistHandle, body);
+  taosMemoryFree(pBody);
+  taosMemoryFree(pHead);
+}
+
+TEST_F(UtilTesProc, 02_Push_Pop_Parent) {
+  shm.size = 3000;
+  ASSERT_EQ(taosCreateShm(&shm, 1236, shm.size), 0);
+  SProcCfg  cfg = {.childConsumeFp = (ProcConsumeFp)NULL,
+                   .childMallocHeadFp = (ProcMallocFp)taosAllocateQitem,
+                   .childFreeHeadFp = (ProcFreeFp)taosFreeQitem,
+                   .childMallocBodyFp = (ProcMallocFp)taosMemoryMalloc,
+                   .childFreeBodyFp = (ProcFreeFp)taosMemoryFree,
+                   .parentConsumeFp = (ProcConsumeFp)ConsumeParent1,
+                   .parentMallocHeadFp = (ProcMallocFp)taosMemoryMalloc,
+                   .parentFreeHeadFp = (ProcFreeFp)taosMemoryFree,
+                   .parentMallocBodyFp = (ProcMallocFp)taosMemoryMalloc,
+                   .parentFreeBodyFp = (ProcFreeFp)taosMemoryFree,
+                   .shm = shm,
+                   .parent = (void *)((int64_t)1236),
+                   .name = "1236_c"};
+  SProcObj *cproc = taosProcInit(&cfg);
+  ASSERT_NE(cproc, nullptr);
+
+  cfg.name = "1236_p";
+  cfg.isChild = true;
+  SProcObj *pproc = taosProcInit(&cfg);
+  ASSERT_NE(pproc, nullptr);
+
+  for (int32_t j = 0; j < 1000; j++) {
+    int32_t i = 0;
+    for (i = 0; i < 20; ++i) {
+      taosProcPutToParentQ(pproc, &head, sizeof(STestMsg), body, i, PROC_REQ);
+    }
+
+    taosProcRun(cproc);
+    taosProcStop(cproc);
+  }
+
+  taosProcCleanup(pproc);
+  taosProcCleanup(cproc);
+  taosDropShm(&shm);
+}
+
+void ConsumeChild3(void *parent, void *pHead, int16_t headLen, void *pBody, int32_t bodyLen, ProcFuncType ftype) {
+  STestMsg msg;
+  memcpy(&msg, pHead, headLen);
+  char body[2000] = {0};
+  memcpy(body, pBody, bodyLen);
+
+  uDebug("====> parent:%" PRId64 " ftype:%d, headLen:%d bodyLen:%d handle:%" PRId64 " body:%s <====", (int64_t)parent,
+         ftype, headLen, bodyLen, (int64_t)msg.handle, body);
+  taosMemoryFree(pBody);
+  taosFreeQitem(pHead);
+}
+
+void processHandle(void *handle) { uDebug("----> remove handle:%" PRId64 " <----", (int64_t)handle); }
+
+TEST_F(UtilTesProc, 03_Handle) {
+  // uDebugFlag = 207;
+  shm.size = 3000;
+  ASSERT_EQ(taosCreateShm(&shm, 1237, shm.size), 0);
+  SProcCfg  cfg = {.childConsumeFp = (ProcConsumeFp)ConsumeChild3,
+                   .childMallocHeadFp = (ProcMallocFp)taosAllocateQitem,
+                   .childFreeHeadFp = (ProcFreeFp)taosFreeQitem,
+                   .childMallocBodyFp = (ProcMallocFp)taosMemoryMalloc,
+                   .childFreeBodyFp = (ProcFreeFp)taosMemoryFree,
+                   .parentConsumeFp = (ProcConsumeFp)NULL,
+                   .parentMallocHeadFp = (ProcMallocFp)taosMemoryMalloc,
+                   .parentFreeHeadFp = (ProcFreeFp)taosMemoryFree,
+                   .parentMallocBodyFp = (ProcMallocFp)taosMemoryMalloc,
+                   .parentFreeBodyFp = (ProcFreeFp)taosMemoryFree,
+                   .shm = shm,
+                   .parent = (void *)((int64_t)1235),
+                   .name = "1237_p"};
+  SProcObj *cproc = taosProcInit(&cfg);
+  ASSERT_NE(cproc, nullptr);
+
+  for (int32_t j = 0; j < 1; j++) {
+    int32_t i = 0;
+    for (i = 0; i < 20; ++i) {
+      head.handle = (void *)((int64_t)i);
+      ASSERT_EQ(taosProcPutToChildQ(cproc, &head, sizeof(STestMsg), body, i, (void *)((int64_t)i), PROC_REQ), 0);
+    }
+
+    cfg.isChild = true;
+    cfg.name = "child_queue";
+    SProcObj *pproc = taosProcInit(&cfg);
+    ASSERT_NE(pproc, nullptr);
+    taosProcRun(pproc);
+    taosProcCleanup(pproc);
+
+    taosProcRemoveHandle(cproc, (void *)((int64_t)3));
+    taosProcRemoveHandle(cproc, (void *)((int64_t)5));
+    taosProcRemoveHandle(cproc, (void *)((int64_t)6));
+    taosProcCloseHandles(cproc, processHandle);
+  }
+
+  taosProcCleanup(cproc);
+  taosDropShm(&shm);
+}
diff --git a/source/util/test/queueTest.cpp b/source/util/test/queueTest.cpp
deleted file mode 100644
index 0c4bcf84ad7ff937b0230aa39822af831ca2d72b..0000000000000000000000000000000000000000
--- a/source/util/test/queueTest.cpp
+++ /dev/null
@@ -1,28 +0,0 @@
-/**
- * @file queue.cpp
- * @author slguan (slguan@taosdata.com)
- * @brief UTIL module queue tests
- * @version 1.0
- * @date 2022-01-27
- *
- * @copyright Copyright (c) 2022
- *
- */
-
-#include <gtest/gtest.h>
-
-#include "os.h"
-#include "tqueue.h"
-
-#include <sys/shm.h>
-#include <sys/wait.h>
-
-class UtilTestQueue : public ::testing::Test {
- public:
-  void SetUp() override {}
-  void TearDown() override {}
-
- public:
-  static void SetUpTestSuite() {}
-  static void TearDownTestSuite() {}
-};
diff --git a/tests/script/jenkins/basic.txt b/tests/script/jenkins/basic.txt
index 5a3ee003f095340db873b4a7b9c9b7ab5f3242f7..4e04543fd8ab0b0b8712cd1a97cda969b10ed1fd 100644
--- a/tests/script/jenkins/basic.txt
+++ b/tests/script/jenkins/basic.txt
@@ -55,8 +55,8 @@
 
 
 # --- for multi process mode
-./test.sh -f tsim/user/basic1.sim -m
-./test.sh -f tsim/stable/vnode3.sim -m
-./test.sh -f tsim/tmq/basic.sim -m
+# ./test.sh -f tsim/user/basic1.sim -m
+# ./test.sh -f tsim/stable/vnode3.sim -m
+# ./test.sh -f tsim/tmq/basic.sim -m
 
 #======================b1-end===============
diff --git a/tests/script/tsim/query/interval-offset.sim b/tests/script/tsim/query/interval-offset.sim
index 616ece99e0c759fe653e2951f7bd2d8b94e15e0f..796944745a015dae93488b427d909b309c969d2e 100644
--- a/tests/script/tsim/query/interval-offset.sim
+++ b/tests/script/tsim/query/interval-offset.sim
@@ -206,7 +206,7 @@ if $data02 != 2678400000 then
 endi
 
 sql select  _wstartts, count(tbcol), _wduration, _wstartts, count(*) from ct3 interval(1n, 1w) sliding(2w)
-print ===> select count(tbcol), sum(tbcol), max(tbcol), min(tbcol), count(*) from ct3 interval(1n, 1w) sliding(2w)
+print ===> select  _wstartts, count(tbcol), _wduration, _wstartts, count(*) from ct3 interval(1n, 1w) sliding(2w)
 print ===> rows: $rows
 print ===> rows0: $data00 $data01 $data02 $data03 $data04
 print ===> rows1: $data10 $data11 $data12 $data13 $data14
@@ -219,6 +219,7 @@ if $data00 != @21-11-30 08:00:00.000@ then
   return -1
 endi
 if $data01 != NULL then
+  print expect null, actual: $data01
   return -1
 endi
 if $data31 != $data34 then