diff --git a/example/src/tmq.c b/example/src/tmq.c
index 976d658fa6fc6557c11fde9e5c692fba801ab1f4..0b5f3be1b0e3365300b545c5c9897109b10b6849 100644
--- a/example/src/tmq.c
+++ b/example/src/tmq.c
@@ -32,6 +32,11 @@ static void msg_process(TAOS_RES* msg) {
     int32_t     numOfFields = taos_field_count(msg);
     taos_print_row(buf, row, fields, numOfFields);
     printf("%s\n", buf);
+
+    const char* tbName = tmq_get_table_name(msg);
+    if (tbName) {
+      printf("from tb: %s\n", tbName);
+    }
   }
 }
 
@@ -101,8 +106,8 @@ int32_t create_topic() {
   }
   taos_free_result(pRes);
 
-  pRes = taos_query(pConn, "create topic topic_ctb_column as abc1");
-  /*pRes = taos_query(pConn, "create topic topic_ctb_column as select ts, c1, c2, c3 from ct1");*/
+  /*pRes = taos_query(pConn, "create topic topic_ctb_column as abc1");*/
+  pRes = taos_query(pConn, "create topic topic_ctb_column as select ts, c1, c2, c3 from st1");
   if (taos_errno(pRes) != 0) {
     printf("failed to create topic topic_ctb_column, reason:%s\n", taos_errstr(pRes));
     return -1;
@@ -161,6 +166,7 @@ tmq_t* build_consumer() {
   tmq_conf_set(conf, "td.connect.user", "root");
   tmq_conf_set(conf, "td.connect.pass", "taosdata");
   /*tmq_conf_set(conf, "td.connect.db", "abc1");*/
+  tmq_conf_set(conf, "msg.with.table.name", "true");
   tmq_conf_set_offset_commit_cb(conf, tmq_commit_cb_print, NULL);
   tmq_t* tmq = tmq_consumer_new(conf, NULL, 0);
   assert(tmq);
diff --git a/include/client/taos.h b/include/client/taos.h
index 26d4d18234ccd4de946f8a5cc22a517842a3a63b..486d5f5fefd714097e7400d14181bec9d986c026 100644
--- a/include/client/taos.h
+++ b/include/client/taos.h
@@ -257,10 +257,7 @@ DLL_EXPORT void           tmq_conf_set_offset_commit_cb(tmq_conf_t *conf, tmq_co
 
 DLL_EXPORT const char *tmq_get_topic_name(TAOS_RES *res);
 DLL_EXPORT int32_t     tmq_get_vgroup_id(TAOS_RES *res);
-// TODO
-#if 0
-DLL_EXPORT char   *tmq_get_table_name(TAOS_RES *res);
-#endif
+DLL_EXPORT const char *tmq_get_table_name(TAOS_RES *res);
 
 #if 0
 DLL_EXPORT int64_t     tmq_get_request_offset(tmq_message_t *message);
diff --git a/include/common/tmsg.h b/include/common/tmsg.h
index 7f17c1673bfbc7ae04114a5ba06b077f7c55a241..ae21986c56fb30f07438d33dd93dfecc0d88503e 100644
--- a/include/common/tmsg.h
+++ b/include/common/tmsg.h
@@ -252,6 +252,7 @@ STSRow* tGetSubmitBlkNext(SSubmitBlkIter* pIter);
 int32_t tPrintFixedSchemaSubmitReq(const SSubmitReq* pReq, STSchema* pSchema);
 
 typedef struct {
+  int32_t code;
   int8_t  hashMeta;
   int64_t uid;
   char*   tblFName;
@@ -271,7 +272,7 @@ typedef struct {
 
 int32_t tEncodeSSubmitRsp(SEncoder* pEncoder, const SSubmitRsp* pRsp);
 int32_t tDecodeSSubmitRsp(SDecoder* pDecoder, SSubmitRsp* pRsp);
-void tFreeSSubmitRsp(SSubmitRsp *pRsp);
+void    tFreeSSubmitRsp(SSubmitRsp* pRsp);
 
 #define COL_SMA_ON  ((int8_t)0x1)
 #define COL_IDX_ON  ((int8_t)0x2)
@@ -2380,6 +2381,7 @@ typedef struct {
 typedef struct {
   SMsgHead head;
   char     subKey[TSDB_SUBSCRIBE_KEY_LEN];
+  int8_t   withTbName;
   int32_t  epoch;
   uint64_t reqId;
   int64_t  consumerId;
@@ -2489,6 +2491,10 @@ static FORCE_INLINE int32_t tEncodeSMqDataBlkRsp(void** buf, const SMqDataBlkRsp
         SSchemaWrapper* pSW = (SSchemaWrapper*)taosArrayGetP(pRsp->blockSchema, i);
         tlen += taosEncodeSSchemaWrapper(buf, pSW);
       }
+      if (pRsp->withTbName) {
+        char* tbName = (char*)taosArrayGetP(pRsp->blockTbName, i);
+        tlen += taosEncodeString(buf, tbName);
+      }
     }
   }
   return tlen;
@@ -2501,6 +2507,7 @@ static FORCE_INLINE void* tDecodeSMqDataBlkRsp(const void* buf, SMqDataBlkRsp* p
   buf = taosDecodeFixedI32(buf, &pRsp->blockNum);
   pRsp->blockData = taosArrayInit(pRsp->blockNum, sizeof(void*));
   pRsp->blockDataLen = taosArrayInit(pRsp->blockNum, sizeof(void*));
+  pRsp->blockTbName = taosArrayInit(pRsp->blockNum, sizeof(void*));
   pRsp->blockSchema = taosArrayInit(pRsp->blockNum, sizeof(void*));
   if (pRsp->blockNum != 0) {
     buf = taosDecodeFixedI8(buf, &pRsp->withTbName);
@@ -2519,6 +2526,11 @@ static FORCE_INLINE void* tDecodeSMqDataBlkRsp(const void* buf, SMqDataBlkRsp* p
         buf = taosDecodeSSchemaWrapper(buf, pSW);
         taosArrayPush(pRsp->blockSchema, &pSW);
       }
+      if (pRsp->withTbName) {
+        char* name = NULL;
+        buf = taosDecodeString(buf, &name);
+        taosArrayPush(pRsp->blockTbName, &name);
+      }
     }
   }
   return (void*)buf;
diff --git a/include/common/tmsgdef.h b/include/common/tmsgdef.h
index 8e918c40f921138bfa2fc2e99c226f7be384c537..c7deaa78451b0d8977ac842b0c24d37eb7a9e9f4 100644
--- a/include/common/tmsgdef.h
+++ b/include/common/tmsgdef.h
@@ -217,6 +217,7 @@ enum {
   TD_DEF_MSG_TYPE(TDMT_VND_SYNC_UNKNOWN, "vnode-sync-unknown", NULL, NULL)
   TD_DEF_MSG_TYPE(TDMT_VND_SYNC_COMMON_RESPONSE, "vnode-sync-common-response", NULL, NULL)
   TD_DEF_MSG_TYPE(TDMT_VND_SYNC_APPLY_MSG, "vnode-sync-apply-msg", NULL, NULL)
+  TD_DEF_MSG_TYPE(TDMT_VND_SYNC_CONFIG_CHANGE, "vnode-sync-config-change", NULL, NULL)
   
   TD_DEF_MSG_TYPE(TDMT_VND_SYNC_VNODE, "vnode-sync-vnode", NULL, NULL)
   TD_DEF_MSG_TYPE(TDMT_VND_ALTER_VNODE, "vnode-alter-vnode", NULL, NULL)
diff --git a/include/libs/function/tudf.h b/include/libs/function/tudf.h
index bdccd29acfb8c934164bfe831aef8edafd11c992..b5c38e14f49f9ed84555d24ba3d5cd42c8ac6f5e 100644
--- a/include/libs/function/tudf.h
+++ b/include/libs/function/tudf.h
@@ -39,15 +39,6 @@ extern "C" {
 //======================================================================================
 //begin API to taosd and qworker
 
-enum {
-  UDFC_CODE_STOPPING = -1,
-  UDFC_CODE_PIPE_READ_ERR = -2,
-  UDFC_CODE_CONNECT_PIPE_ERR = -3,
-  UDFC_CODE_LOAD_UDF_FAILURE = -4,
-  UDFC_CODE_INVALID_STATE = -5,
-  UDFC_CODE_NO_PIPE = -6,
-};
-
 typedef void *UdfcFuncHandle;
 
 /**
@@ -89,6 +80,7 @@ typedef struct SUdfColumnData {
 
 typedef struct SUdfColumn {
   SUdfColumnMeta colMeta;
+  bool           hasNull;
   SUdfColumnData colData;
 } SUdfColumn;
 
@@ -232,6 +224,7 @@ static FORCE_INLINE void udfColDataSetNull(SUdfColumn* pColumn, int32_t row) {
   } else {
     udfColDataSetNull_f(pColumn, row);
   }
+  pColumn->hasNull = true;
 }
 
 static FORCE_INLINE int32_t udfColDataSet(SUdfColumn* pColumn, uint32_t currentRow, const char* pData, bool isNull) {
diff --git a/include/util/taoserror.h b/include/util/taoserror.h
index 52b2f0c67033779adac885daa66d58872549ffb3..58cdd2cab421af90104326afee620944f9646257 100644
--- a/include/util/taoserror.h
+++ b/include/util/taoserror.h
@@ -645,7 +645,15 @@ int32_t* taosGetErrno();
 #define TSDB_CODE_FUNC_FUNTION_PARA_NUM         TAOS_DEF_ERROR_CODE(0, 0x2801)
 #define TSDB_CODE_FUNC_FUNTION_PARA_TYPE        TAOS_DEF_ERROR_CODE(0, 0x2802)
 #define TSDB_CODE_FUNC_FUNTION_PARA_VALUE       TAOS_DEF_ERROR_CODE(0, 0x2803)
-#define TSDB_CODE_FUNC_INVALID_FUNTION          TAOS_DEF_ERROR_CODE(0, 0x2604)
+#define TSDB_CODE_FUNC_INVALID_FUNTION          TAOS_DEF_ERROR_CODE(0, 0x2804)
+
+//udf
+#define TSDB_CODE_UDF_STOPPING                  TAOS_DEF_ERROR_CODE(0, 0x2901)
+#define TSDB_CODE_UDF_PIPE_READ_ERR             TAOS_DEF_ERROR_CODE(0, 0x2902)
+#define TSDB_CODE_UDF_PIPE_CONNECT_ERR          TAOS_DEF_ERROR_CODE(0, 0x2903)
+#define TSDB_CODE_UDF_PIPE_NO_PIPE              TAOS_DEF_ERROR_CODE(0, 0x2904)
+#define TSDB_CODE_UDF_LOAD_UDF_FAILURE          TAOS_DEF_ERROR_CODE(0, 0x2905)
+#define TSDB_CODE_UDF_INVALID_STATE             TAOS_DEF_ERROR_CODE(0, 0x2906)
 
 #define TSDB_CODE_SML_INVALID_PROTOCOL_TYPE     TAOS_DEF_ERROR_CODE(0, 0x3000)
 #define TSDB_CODE_SML_INVALID_PRECISION_TYPE    TAOS_DEF_ERROR_CODE(0, 0x3001)
diff --git a/include/util/tcoding.h b/include/util/tcoding.h
index 3f00c79f46f28826177c5a38f32b5eb0daa69c9b..74e64d5292e9232d803762ec528554be0a9ae975 100644
--- a/include/util/tcoding.h
+++ b/include/util/tcoding.h
@@ -59,6 +59,21 @@ static FORCE_INLINE void *taosDecodeFixedI8(const void *buf, int8_t *value) {
 
 static FORCE_INLINE void *taosSkipFixedLen(const void *buf, size_t len) { return POINTER_SHIFT(buf, len); }
 
+// --- Bool
+
+static FORCE_INLINE int32_t taosEncodeFixedBool(void **buf, bool value) {
+  if (buf != NULL) {
+    ((int8_t *)(*buf))[0] = value ? 1 : 0;
+    *buf = POINTER_SHIFT(*buf, sizeof(int8_t));
+  }
+  return (int32_t)sizeof(int8_t);
+}
+
+static FORCE_INLINE void *taosDecodeFixedBool(const void *buf, bool *value) {
+  *value = ((int8_t *)buf)[0] == 0 ? false : true;
+  return POINTER_SHIFT(buf, sizeof(int8_t));
+}
+
 // ---- Fixed U16
 static FORCE_INLINE int32_t taosEncodeFixedU16(void **buf, uint16_t value) {
   if (buf != NULL) {
diff --git a/source/client/src/tmq.c b/source/client/src/tmq.c
index 0ce689f19cd8f2579047f9e49eca0ca69609d1f5..a6b8b842f94ee51825fe323778ebd6e6ae149c64 100644
--- a/source/client/src/tmq.c
+++ b/source/client/src/tmq.c
@@ -57,16 +57,17 @@ struct tmq_topic_vgroup_list_t {
 };
 
 struct tmq_conf_t {
-  char           clientId[256];
-  char           groupId[TSDB_CGROUP_LEN];
-  int8_t         autoCommit;
-  int8_t         resetOffset;
-  uint16_t       port;
-  int32_t        autoCommitInterval;
-  char*          ip;
-  char*          user;
-  char*          pass;
-  char*          db;
+  char     clientId[256];
+  char     groupId[TSDB_CGROUP_LEN];
+  int8_t   autoCommit;
+  int8_t   resetOffset;
+  int8_t   withTbName;
+  uint16_t port;
+  int32_t  autoCommitInterval;
+  char*    ip;
+  char*    user;
+  char*    pass;
+  /*char*          db;*/
   tmq_commit_cb* commitCb;
   void*          commitCbUserParam;
 };
@@ -75,6 +76,7 @@ struct tmq_t {
   // conf
   char           groupId[TSDB_CGROUP_LEN];
   char           clientId[256];
+  int8_t         withTbName;
   int8_t         autoCommit;
   int32_t        autoCommitInterval;
   int32_t        resetOffsetCfg;
@@ -187,6 +189,7 @@ typedef struct {
 
 tmq_conf_t* tmq_conf_new() {
   tmq_conf_t* conf = taosMemoryCalloc(1, sizeof(tmq_conf_t));
+  conf->withTbName = -1;
   conf->autoCommit = true;
   conf->autoCommitInterval = 5000;
   conf->resetOffset = TMQ_CONF__RESET_OFFSET__EARLIEAST;
@@ -240,6 +243,18 @@ tmq_conf_res_t tmq_conf_set(tmq_conf_t* conf, const char* key, const char* value
     }
   }
 
+  if (strcmp(key, "msg.with.table.name") == 0) {
+    if (strcmp(value, "true") == 0) {
+      conf->withTbName = 1;
+    } else if (strcmp(value, "false") == 0) {
+      conf->withTbName = 0;
+    } else if (strcmp(value, "none") == 0) {
+      conf->withTbName = -1;
+    } else {
+      return TMQ_CONF_INVALID;
+    }
+  }
+
   if (strcmp(key, "td.connect.ip") == 0) {
     conf->ip = strdup(value);
     return TMQ_CONF_OK;
@@ -257,7 +272,7 @@ tmq_conf_res_t tmq_conf_set(tmq_conf_t* conf, const char* key, const char* value
     return TMQ_CONF_OK;
   }
   if (strcmp(key, "td.connect.db") == 0) {
-    conf->db = strdup(value);
+    /*conf->db = strdup(value);*/
     return TMQ_CONF_OK;
   }
 
@@ -485,6 +500,7 @@ tmq_t* tmq_consumer_new(tmq_conf_t* conf, char* errstr, int32_t errstrLen) {
   // set conf
   strcpy(pTmq->clientId, conf->clientId);
   strcpy(pTmq->groupId, conf->groupId);
+  pTmq->withTbName = conf->withTbName;
   pTmq->autoCommit = conf->autoCommit;
   pTmq->autoCommitInterval = conf->autoCommitInterval;
   pTmq->commitCb = conf->commitCb;
@@ -1104,6 +1120,7 @@ SMqPollReq* tmqBuildConsumeReqImpl(tmq_t* tmq, int64_t waitTime, SMqClientTopic*
   pReq->subKey[tlen] = TMQ_SEPARATOR;
   strcpy(pReq->subKey + tlen + 1, pTopic->topicName);
 
+  pReq->withTbName = tmq->withTbName;
   pReq->waitTime = waitTime;
   pReq->consumerId = tmq->consumerId;
   pReq->epoch = tmq->epoch;
@@ -1346,3 +1363,16 @@ int32_t tmq_get_vgroup_id(TAOS_RES* res) {
     return -1;
   }
 }
+
+const char* tmq_get_table_name(TAOS_RES* res) {
+  if (TD_RES_TMQ(res)) {
+    SMqRspObj* pRspObj = (SMqRspObj*)res;
+    if (!pRspObj->rsp.withTbName || pRspObj->rsp.blockTbName == NULL || pRspObj->resIter < 0 ||
+        pRspObj->resIter >= pRspObj->rsp.blockNum) {
+      return NULL;
+    }
+    const char* name = taosArrayGetP(pRspObj->rsp.blockTbName, pRspObj->resIter);
+    return name;
+  }
+  return NULL;
+}
diff --git a/source/common/src/tdatablock.c b/source/common/src/tdatablock.c
index b58e4bd1ddd8a8c1386167b76ccdc0f8b72c7a45..90531019384d4504392c59b480565d972ff19bcf 100644
--- a/source/common/src/tdatablock.c
+++ b/source/common/src/tdatablock.c
@@ -1311,6 +1311,7 @@ int32_t tEncodeDataBlock(void** buf, const SSDataBlock* pBlock) {
     tlen += taosEncodeFixedI16(buf, pColData->info.colId);
     tlen += taosEncodeFixedI16(buf, pColData->info.type);
     tlen += taosEncodeFixedI32(buf, pColData->info.bytes);
+    tlen += taosEncodeFixedBool(buf, pColData->hasNull);
 
     if (IS_VAR_DATA_TYPE(pColData->info.type)) {
       tlen += taosEncodeBinary(buf, pColData->varmeta.offset, sizeof(int32_t) * rows);
@@ -1340,6 +1341,7 @@ void* tDecodeDataBlock(const void* buf, SSDataBlock* pBlock) {
     buf = taosDecodeFixedI16(buf, &data.info.colId);
     buf = taosDecodeFixedI16(buf, &data.info.type);
     buf = taosDecodeFixedI32(buf, &data.info.bytes);
+    buf = taosDecodeFixedBool(buf, &data.hasNull);
 
     if (IS_VAR_DATA_TYPE(data.info.type)) {
       buf = taosDecodeBinary(buf, (void**)&data.varmeta.offset, pBlock->info.rows * sizeof(int32_t));
diff --git a/source/common/src/tmsg.c b/source/common/src/tmsg.c
index ebd81c7da31573a28067ebd8d1acf533c1cd6b85..021ee8455eca5b97e7de95b6959e4ea6674eecdd 100644
--- a/source/common/src/tmsg.c
+++ b/source/common/src/tmsg.c
@@ -4032,6 +4032,7 @@ int32_t tDecodeSVSubmitReq(SDecoder *pCoder, SVSubmitReq *pReq) {
 static int32_t tEncodeSSubmitBlkRsp(SEncoder *pEncoder, const SSubmitBlkRsp *pBlock) {
   if (tStartEncode(pEncoder) < 0) return -1;
 
+  if (tEncodeI32(pEncoder, pBlock->code) < 0) return -1;
   if (tEncodeI8(pEncoder, pBlock->hashMeta) < 0) return -1;
   if (pBlock->hashMeta) {
     if (tEncodeI64(pEncoder, pBlock->uid) < 0) return -1;
@@ -4047,10 +4048,11 @@ static int32_t tEncodeSSubmitBlkRsp(SEncoder *pEncoder, const SSubmitBlkRsp *pBl
 static int32_t tDecodeSSubmitBlkRsp(SDecoder *pDecoder, SSubmitBlkRsp *pBlock) {
   if (tStartDecode(pDecoder) < 0) return -1;
 
+  if (tDecodeI32(pDecoder, &pBlock->code) < 0) return -1;
   if (tDecodeI8(pDecoder, &pBlock->hashMeta) < 0) return -1;
   if (pBlock->hashMeta) {
     if (tDecodeI64(pDecoder, &pBlock->uid) < 0) return -1;
-    pBlock->tblFName= taosMemoryCalloc(TSDB_TABLE_FNAME_LEN, 1);
+    pBlock->tblFName = taosMemoryCalloc(TSDB_TABLE_FNAME_LEN, 1);
     if (NULL == pBlock->tblFName) return -1;
     if (tDecodeCStrTo(pDecoder, pBlock->tblFName) < 0) return -1;
   }
@@ -4089,7 +4091,7 @@ int32_t tDecodeSSubmitRsp(SDecoder *pDecoder, SSubmitRsp *pRsp) {
     if (tDecodeSSubmitBlkRsp(pDecoder, pRsp->pBlocks + iBlock) < 0) return -1;
   }
 
-  tEndDecode(pDecoder);  
+  tEndDecode(pDecoder);
   tDecoderClear(pDecoder);
   return 0;
 }
@@ -4108,4 +4110,3 @@ void tFreeSSubmitRsp(SSubmitRsp *pRsp) {
 
   taosMemoryFree(pRsp);
 }
-
diff --git a/source/dnode/mnode/impl/src/mndStb.c b/source/dnode/mnode/impl/src/mndStb.c
index ca0ae111a390e29d8d70111a437cea08c7f9dec0..12e89277f428089f101887f51526755c39a2f209 100644
--- a/source/dnode/mnode/impl/src/mndStb.c
+++ b/source/dnode/mnode/impl/src/mndStb.c
@@ -318,6 +318,7 @@ static int32_t mndStbActionUpdate(SSdb *pSdb, SStbObj *pOld, SStbObj *pNew) {
   pOld->updateTime = pNew->updateTime;
   pOld->version = pNew->version;
   pOld->nextColId = pNew->nextColId;
+  pOld->ttl = pNew->ttl;
   pOld->numOfColumns = pNew->numOfColumns;
   pOld->numOfTags = pNew->numOfTags;
   memcpy(pOld->pColumns, pNew->pColumns, pOld->numOfColumns * sizeof(SSchema));
@@ -832,7 +833,7 @@ static int32_t mndProcessVCreateStbRsp(SNodeMsg *pRsp) {
 }
 
 static int32_t mndCheckAlterStbReq(SMAlterStbReq *pAlter) {
-  if (pAlter->commentLen != 0) return 0;
+  if (pAlter->commentLen != 0 || pAlter->ttl != 0) return 0;
 
   if (pAlter->numOfFields < 1 || pAlter->numOfFields != (int32_t)taosArrayGetSize(pAlter->pFields)) {
     terrno = TSDB_CODE_MND_INVALID_STB_OPTION;
@@ -883,7 +884,8 @@ static int32_t mndAllocStbSchemas(const SStbObj *pOld, SStbObj *pNew) {
   return 0;
 }
 
-static int32_t mndUpdateStbComment(const SStbObj *pOld, SStbObj *pNew, char *pComment, int32_t commentLen) {
+static int32_t mndUpdateStbCommentAndTTL(const SStbObj *pOld, SStbObj *pNew, char *pComment, int32_t commentLen,
+                                         int32_t ttl) {
   if (commentLen > 0) {
     pNew->commentLen = commentLen;
     pNew->comment = taosMemoryCalloc(1, commentLen);
@@ -893,6 +895,9 @@ static int32_t mndUpdateStbComment(const SStbObj *pOld, SStbObj *pNew, char *pCo
     }
     memcpy(pNew->comment, pComment, commentLen);
   }
+  if (ttl >= 0) {
+    pNew->ttl = ttl;
+  }
 
   if (mndAllocStbSchemas(pOld, pNew) != 0) {
     return -1;
@@ -1232,7 +1237,7 @@ static int32_t mndAlterStb(SMnode *pMnode, SNodeMsg *pReq, const SMAlterStbReq *
       code = mndAlterStbColumnBytes(pOld, &stbObj, pField0);
       break;
     case TSDB_ALTER_TABLE_UPDATE_OPTIONS:
-      code = mndUpdateStbComment(pOld, &stbObj, pAlter->comment, pAlter->commentLen);
+      code = mndUpdateStbCommentAndTTL(pOld, &stbObj, pAlter->comment, pAlter->commentLen, pAlter->ttl);
       break;
     default:
       terrno = TSDB_CODE_OPS_NOT_SUPPORT;
@@ -1723,7 +1728,7 @@ static int32_t mndRetrieveStb(SNodeMsg *pReq, SShowObj *pShow, SSDataBlock *pBlo
     pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
     colDataAppend(pColInfo, numOfRows, (const char *)&pStb->updateTime, false);  // number of tables
 
-    char *p = taosMemoryMalloc(pStb->commentLen + VARSTR_HEADER_SIZE);  // check malloc failures
+    char *p = taosMemoryCalloc(1, pStb->commentLen + 1 + VARSTR_HEADER_SIZE);  // check malloc failures
     if (p != NULL) {
       if (pStb->commentLen != 0) {
         STR_TO_VARSTR(p, pStb->comment);
diff --git a/source/dnode/mnode/impl/src/mndTopic.c b/source/dnode/mnode/impl/src/mndTopic.c
index 41d4d5f40651ebe85917550c17f5c720569dbc6e..00379ecda1ed87bf7eb06f36423d36473d425aff 100644
--- a/source/dnode/mnode/impl/src/mndTopic.c
+++ b/source/dnode/mnode/impl/src/mndTopic.c
@@ -297,8 +297,8 @@ static int32_t mndCreateTopic(SMnode *pMnode, SNodeMsg *pReq, SCMCreateTopicReq
     topicObj.ast = strdup(pCreate->ast);
     topicObj.astLen = strlen(pCreate->ast) + 1;
     topicObj.subType = TOPIC_SUB_TYPE__TABLE;
-    topicObj.withTbName = 0;
-    topicObj.withSchema = 0;
+    topicObj.withTbName = pCreate->withTbName;
+    topicObj.withSchema = pCreate->withSchema;
 
     SNode *pAst = NULL;
     if (nodesStringToNode(pCreate->ast, &pAst) != 0) {
diff --git a/source/dnode/vnode/src/inc/meta.h b/source/dnode/vnode/src/inc/meta.h
index 1e271bc8d879549c178498393d08479667d666ea..f1917d5fea02f126850495aed62496aa62f7f1a0 100644
--- a/source/dnode/vnode/src/inc/meta.h
+++ b/source/dnode/vnode/src/inc/meta.h
@@ -116,10 +116,10 @@ int64_t      metaSmaCursorNext(SMSmaCursor* pSmaCur);
 // SMetaDB
 int  metaOpenDB(SMeta* pMeta);
 void metaCloseDB(SMeta* pMeta);
-int  metaSaveTableToDB(SMeta* pMeta, STbCfg* pTbCfg, STbDdlH* pHandle);
-int  metaRemoveTableFromDb(SMeta* pMeta, tb_uid_t uid);
-int  metaSaveSmaToDB(SMeta* pMeta, STSma* pTbCfg);
-int  metaRemoveSmaFromDb(SMeta* pMeta, int64_t indexUid);
+// int  metaSaveTableToDB(SMeta* pMeta, STbCfg* pTbCfg, STbDdlH* pHandle);
+int metaRemoveTableFromDb(SMeta* pMeta, tb_uid_t uid);
+int metaSaveSmaToDB(SMeta* pMeta, STSma* pTbCfg);
+int metaRemoveSmaFromDb(SMeta* pMeta, int64_t indexUid);
 #endif
 
 #endif
@@ -128,4 +128,4 @@ int  metaRemoveSmaFromDb(SMeta* pMeta, int64_t indexUid);
 }
 #endif
 
-#endif /*_TD_VNODE_META_H_*/
\ No newline at end of file
+#endif /*_TD_VNODE_META_H_*/
diff --git a/source/dnode/vnode/src/meta/metaQuery.c b/source/dnode/vnode/src/meta/metaQuery.c
index 8d2a4ebcf3236010cea6d4f2ed9b5f6e53924f43..7d0a87d79dae0713004f81193d08e600cc5ac1a5 100644
--- a/source/dnode/vnode/src/meta/metaQuery.c
+++ b/source/dnode/vnode/src/meta/metaQuery.c
@@ -158,7 +158,9 @@ SSchemaWrapper *metaGetTableSchema(SMeta *pMeta, tb_uid_t uid, int32_t sver, boo
   skmDbKey.sver = sver;
   pKey = &skmDbKey;
   kLen = sizeof(skmDbKey);
+  metaRLock(pMeta);
   ret = tdbDbGet(pMeta->pSkmDb, pKey, kLen, &pVal, &vLen);
+  metaULock(pMeta);
   if (ret < 0) {
     return NULL;
   }
@@ -181,6 +183,7 @@ SSchemaWrapper *metaGetTableSchema(SMeta *pMeta, tb_uid_t uid, int32_t sver, boo
 }
 
 struct SMCtbCursor {
+  SMeta   *pMeta;
   TDBC    *pCur;
   tb_uid_t suid;
   void    *pKey;
@@ -200,9 +203,13 @@ SMCtbCursor *metaOpenCtbCursor(SMeta *pMeta, tb_uid_t uid) {
     return NULL;
   }
 
+  pCtbCur->pMeta = pMeta;
   pCtbCur->suid = uid;
+  metaRLock(pMeta);
+
   ret = tdbDbcOpen(pMeta->pCtbIdx, &pCtbCur->pCur, NULL);
   if (ret < 0) {
+    metaULock(pMeta);
     taosMemoryFree(pCtbCur);
     return NULL;
   }
@@ -220,6 +227,7 @@ SMCtbCursor *metaOpenCtbCursor(SMeta *pMeta, tb_uid_t uid) {
 
 void metaCloseCtbCurosr(SMCtbCursor *pCtbCur) {
   if (pCtbCur) {
+    if (pCtbCur->pMeta) metaULock(pCtbCur->pMeta);
     if (pCtbCur->pCur) {
       tdbDbcClose(pCtbCur->pCur);
 
@@ -269,7 +277,7 @@ STSchema *metaGetTbTSchema(SMeta *pMeta, tb_uid_t uid, int32_t sver) {
 
   pSW = metaGetTableSchema(pMeta, quid, sver, 0);
   if (!pSW) return NULL;
-  
+
   tdInitTSchemaBuilder(&sb, 0);
   for (int i = 0; i < pSW->nCols; i++) {
     pSchema = pSW->pSchema + i;
diff --git a/source/dnode/vnode/src/tq/tq.c b/source/dnode/vnode/src/tq/tq.c
index b49c148ac5a050c81ec1e3198e828a214b8482c4..0cdefb3cffc0f7528cd25c2b1b015ca4016fa175 100644
--- a/source/dnode/vnode/src/tq/tq.c
+++ b/source/dnode/vnode/src/tq/tq.c
@@ -427,9 +427,17 @@ int32_t tqProcessPollReq(STQ* pTq, SRpcMsg* pMsg, int32_t workerId) {
   SMqDataBlkRsp rsp = {0};
   rsp.reqOffset = pReq->currentOffset;
   rsp.withSchema = pExec->withSchema;
+
   rsp.blockData = taosArrayInit(0, sizeof(void*));
   rsp.blockDataLen = taosArrayInit(0, sizeof(int32_t));
   rsp.blockSchema = taosArrayInit(0, sizeof(void*));
+  rsp.blockTbName = taosArrayInit(0, sizeof(void*));
+
+  int8_t withTbName = pExec->withTbName;
+  if (pReq->withTbName != -1) {
+    withTbName = pReq->withTbName;
+  }
+  rsp.withTbName = withTbName;
 
   while (1) {
     consumerEpoch = atomic_load_32(&pExec->epoch);
@@ -535,6 +543,18 @@ int32_t tqProcessPollReq(STQ* pTq, SRpcMsg* pMsg, int32_t workerId) {
             taosArrayPush(rsp.blockSchema, &pSW);
           }
 
+          if (withTbName) {
+            SMetaReader mr = {0};
+            metaReaderInit(&mr, pTq->pVnode->pMeta, 0);
+            int64_t uid = pExec->pExecReader[workerId]->msgIter.uid;
+            if (metaGetTableEntryByUid(&mr, uid) < 0) {
+              ASSERT(0);
+            }
+            char* tbName = strdup(mr.me.name);
+            taosArrayPush(rsp.blockTbName, &tbName);
+            metaReaderClear(&mr);
+          }
+
           rsp.blockNum++;
         }
         // db subscribe
@@ -563,6 +583,16 @@ int32_t tqProcessPollReq(STQ* pTq, SRpcMsg* pMsg, int32_t workerId) {
           ASSERT(actualLen <= dataStrLen);
           taosArrayPush(rsp.blockDataLen, &actualLen);
           taosArrayPush(rsp.blockData, &buf);
+          if (withTbName) {
+            SMetaReader mr = {0};
+            metaReaderInit(&mr, pTq->pVnode->pMeta, 0);
+            if (metaGetTableEntryByUid(&mr, block.info.uid) < 0) {
+              ASSERT(0);
+            }
+            char* tbName = strdup(mr.me.name);
+            taosArrayPush(rsp.blockTbName, &tbName);
+            metaReaderClear(&mr);
+          }
 
           SSchemaWrapper* pSW = tCloneSSchemaWrapper(pExec->pExecReader[workerId]->pSchemaWrapper);
           taosArrayPush(rsp.blockSchema, &pSW);
@@ -614,6 +644,7 @@ int32_t tqProcessPollReq(STQ* pTq, SRpcMsg* pMsg, int32_t workerId) {
   taosArrayDestroy(rsp.blockData);
   taosArrayDestroy(rsp.blockDataLen);
   taosArrayDestroyP(rsp.blockSchema, (FDelete)tDeleteSSchemaWrapper);
+  taosArrayDestroyP(rsp.blockTbName, (FDelete)taosMemoryFree);
 
   return 0;
 }
diff --git a/source/dnode/vnode/src/tsdb/tsdbCommit.c b/source/dnode/vnode/src/tsdb/tsdbCommit.c
index 3521e9b1f52db6ab21ce10a65daf7bec153e873a..c1813c787ad0e1465b0007632636301217c9eda0 100644
--- a/source/dnode/vnode/src/tsdb/tsdbCommit.c
+++ b/source/dnode/vnode/src/tsdb/tsdbCommit.c
@@ -486,8 +486,10 @@ static void tsdbDestroyCommitIters(SCommitH *pCommith) {
 
   for (int i = 1; i < pCommith->niters; i++) {
     tSkipListDestroyIter(pCommith->iters[i].pIter);
-    tdFreeSchema(pCommith->iters[i].pTable->pSchema);
-    taosMemoryFree(pCommith->iters[i].pTable);
+    if (pCommith->iters[i].pTable) {
+      tdFreeSchema(pCommith->iters[i].pTable->pSchema);
+      taosMemoryFreeClear(pCommith->iters[i].pTable);
+    }
   }
 
   taosMemoryFree(pCommith->iters);
diff --git a/source/dnode/vnode/src/tsdb/tsdbMemTable.c b/source/dnode/vnode/src/tsdb/tsdbMemTable.c
index d40a73eb67af9efaa482fcdb799796adfb3c0f5c..037b099345b91f680b27a0ae251a9bb8299236b3 100644
--- a/source/dnode/vnode/src/tsdb/tsdbMemTable.c
+++ b/source/dnode/vnode/src/tsdb/tsdbMemTable.c
@@ -62,6 +62,16 @@ int tsdbMemTableCreate(STsdb *pTsdb, STsdbMemTable **ppMemTable) {
 void tsdbMemTableDestroy(STsdb *pTsdb, STsdbMemTable *pMemTable) {
   if (pMemTable) {
     taosHashCleanup(pMemTable->pHashIdx);
+    SSkipListIterator *pIter = tSkipListCreateIter(pMemTable->pSlIdx);
+    SSkipListNode     *pNode = NULL;
+    STbData           *pTbData = NULL;
+    for (;;) {
+      if (!tSkipListIterNext(pIter)) break;
+      pNode = tSkipListIterGet(pIter);
+      pTbData = (STbData *)pNode->pData;
+      tsdbFreeTbData(pTbData);
+    }
+    tSkipListDestroyIter(pIter);
     tSkipListDestroy(pMemTable->pSlIdx);
     taosMemoryFree(pMemTable);
   }
@@ -300,6 +310,17 @@ int tsdbInsertTableData(STsdb *pTsdb, SSubmitMsgIter *pMsgIter, SSubmitBlk *pBlo
   TSKEY          keyMax;
   SSubmitBlk    *pBlkCopy;
 
+  // check if table exists
+  SMetaReader mr = {0};
+  SMetaEntry  me = {0};
+  metaReaderInit(&mr, pTsdb->pVnode->pMeta, 0);
+  if (metaGetTableEntryByUid(&mr, pMsgIter->uid) < 0) {
+    metaReaderClear(&mr);
+    terrno = TSDB_CODE_PAR_TABLE_NOT_EXIST;
+    return -1;
+  }
+  metaReaderClear(&mr);
+
   // create container is nedd
   tptr = taosHashGet(pMemTable->pHashIdx, &(pMsgIter->uid), sizeof(pMsgIter->uid));
   if (tptr == NULL) {
diff --git a/source/dnode/vnode/src/vnd/vnodeSvr.c b/source/dnode/vnode/src/vnd/vnodeSvr.c
index d2650725f058cd30efda16e6279429bda81ee07f..4f76bc5386d88b56ebe7575ef848066591a01614 100644
--- a/source/dnode/vnode/src/vnd/vnodeSvr.c
+++ b/source/dnode/vnode/src/vnd/vnodeSvr.c
@@ -502,7 +502,7 @@ _exit:
   return 0;
 }
 
-static int vnodeDebugPrintSingleSubmitMsg(SMeta         *pMeta, SSubmitBlk  *pBlock, SSubmitMsgIter *msgIter, const char *tags) {
+static int vnodeDebugPrintSingleSubmitMsg(SMeta *pMeta, SSubmitBlk *pBlock, SSubmitMsgIter *msgIter, const char *tags) {
   SSubmitBlkIter blkIter = {0};
   STSchema      *pSchema = NULL;
   tb_uid_t       suid = 0;
@@ -544,7 +544,7 @@ static int vnodeDebugPrintSubmitMsg(SVnode *pVnode, SSubmitReq *pMsg, const char
   while (true) {
     if (tGetSubmitMsgNext(&msgIter, &pBlock) < 0) return -1;
     if (pBlock == NULL) break;
-    
+
     vnodeDebugPrintSingleSubmitMsg(pMeta, pBlock, &msgIter, tags);
   }
 
@@ -601,7 +601,7 @@ static int vnodeProcessSubmitReq(SVnode *pVnode, int64_t version, void *pReq, in
 
       if (metaCreateTable(pVnode->pMeta, version, &createTbReq) < 0) {
         if (terrno != TSDB_CODE_TDB_TABLE_ALREADY_EXIST) {
-          pRsp->code = terrno;
+          submitBlkRsp.code = terrno;
           tDecoderClear(&decoder);
           goto _exit;
         }
@@ -623,8 +623,7 @@ static int vnodeProcessSubmitReq(SVnode *pVnode, int64_t version, void *pReq, in
     }
 
     if (tsdbInsertTableData(pVnode->pTsdb, &msgIter, pBlock, &submitBlkRsp) < 0) {
-      pRsp->code = terrno;
-      goto _exit;
+      submitBlkRsp.code = terrno;
     }
 
     submitRsp.numOfRows += submitBlkRsp.numOfRows;
diff --git a/source/dnode/vnode/src/vnd/vnodeSync.c b/source/dnode/vnode/src/vnd/vnodeSync.c
index 1260f9a3e7cc121819599b5d3e149ba035bebdc3..f0f5338c4d22e711ade5d474c69fd917378c785f 100644
--- a/source/dnode/vnode/src/vnd/vnodeSync.c
+++ b/source/dnode/vnode/src/vnd/vnodeSync.c
@@ -72,6 +72,7 @@ int32_t vnodeSendMsg(void *rpcHandle, const SEpSet *pEpSet, SRpcMsg *pMsg) {
   int32_t ret = 0;
   SMsgCb *pMsgCb = rpcHandle;
   if (pMsgCb->queueFps[SYNC_QUEUE] != NULL) {
+    pMsg->noResp = 1;
     tmsgSendReq(rpcHandle, pEpSet, pMsg);
   } else {
     vError("vnodeSendMsg queue is NULL, SYNC_QUEUE:%d", SYNC_QUEUE);
diff --git a/source/libs/executor/inc/executorimpl.h b/source/libs/executor/inc/executorimpl.h
index 93e81aa70ee2d9d7a3658adc86d4bd3aa55315ad..4881f231348ea0a9cc96d1f4e0a794fa1f52ba08 100644
--- a/source/libs/executor/inc/executorimpl.h
+++ b/source/libs/executor/inc/executorimpl.h
@@ -616,10 +616,10 @@ int32_t appendDownstream(SOperatorInfo* p, SOperatorInfo** pDownstream, int32_t
 int32_t initAggInfo(SOptrBasicInfo* pBasicInfo, SAggSupporter* pAggSup, SExprInfo* pExprInfo, int32_t numOfCols,
                     SSDataBlock* pResultBlock, size_t keyBufSize, const char* pkey);
 void    initResultSizeInfo(SOperatorInfo* pOperator, int32_t numOfRows);
-void doBuildResultDatablock(SOptrBasicInfo *pbInfo, SGroupResInfo* pGroupResInfo, SExprInfo* pExprInfo, SDiskbasedBuf* pBuf);
+void doBuildResultDatablock(SExecTaskInfo *taskInfo, SOptrBasicInfo *pbInfo, SGroupResInfo* pGroupResInfo, SExprInfo* pExprInfo, SDiskbasedBuf* pBuf);
 
 void    finalizeMultiTupleQueryResult(int32_t numOfOutput, SDiskbasedBuf* pBuf, SResultRowInfo* pResultRowInfo, int32_t* rowCellInfoOffset);
-void    doApplyFunctions(SqlFunctionCtx* pCtx, STimeWindow* pWin, SColumnInfoData* pTimeWindowData, int32_t offset,
+void    doApplyFunctions(SExecTaskInfo* taskInfo, SqlFunctionCtx* pCtx, STimeWindow* pWin, SColumnInfoData* pTimeWindowData, int32_t offset,
                          int32_t forwardStep, TSKEY* tsCol, int32_t numOfTotal, int32_t numOfOutput, int32_t order);
 int32_t setGroupResultOutputBuf(SOptrBasicInfo* binfo, int32_t numOfCols, char* pData, int16_t type, int16_t bytes,
                                 int32_t groupId, SDiskbasedBuf* pBuf, SExecTaskInfo* pTaskInfo, SAggSupporter* pAggSup);
diff --git a/source/libs/executor/src/executorimpl.c b/source/libs/executor/src/executorimpl.c
index 33f0c440eced482bb7d7f345455f61d0d49c214e..a5bc1fdf5838b2a5aa987924cc325a4f8b036d5f 100644
--- a/source/libs/executor/src/executorimpl.c
+++ b/source/libs/executor/src/executorimpl.c
@@ -155,7 +155,7 @@ SOperatorFpSet createOperatorFpSet(__optr_open_fn_t openFn, __optr_fn_t nextFn,
 
 void operatorDummyCloseFn(void* param, int32_t numOfCols) {}
 
-static int32_t doCopyToSDataBlock(SSDataBlock* pBlock, SExprInfo* pExprInfo, SDiskbasedBuf* pBuf,
+static int32_t doCopyToSDataBlock(SExecTaskInfo *taskInfo, SSDataBlock* pBlock, SExprInfo* pExprInfo, SDiskbasedBuf* pBuf,
                                   SGroupResInfo* pGroupResInfo, int32_t orderType, int32_t* rowCellOffset,
                                   SqlFunctionCtx* pCtx);
 
@@ -579,7 +579,7 @@ void initExecTimeWindowInfo(SColumnInfoData* pColData, STimeWindow* pQueryWindow
   colDataAppendInt64(pColData, 4, &pQueryWindow->ekey);
 }
 
-void doApplyFunctions(SqlFunctionCtx* pCtx, STimeWindow* pWin, SColumnInfoData* pTimeWindowData, int32_t offset,
+void doApplyFunctions(SExecTaskInfo* taskInfo, SqlFunctionCtx* pCtx, STimeWindow* pWin, SColumnInfoData* pTimeWindowData, int32_t offset,
                       int32_t forwardStep, TSKEY* tsCol, int32_t numOfTotal, int32_t numOfOutput, int32_t order) {
   for (int32_t k = 0; k < numOfOutput; ++k) {
     pCtx[k].startTs = pWin->skey;
@@ -618,9 +618,14 @@ void doApplyFunctions(SqlFunctionCtx* pCtx, STimeWindow* pWin, SColumnInfoData*
       pEntryInfo->numOfRes = 1;
       continue;
     }
-
+    int32_t code = TSDB_CODE_SUCCESS;
     if (functionNeedToExecute(&pCtx[k]) && pCtx[k].fpSet.process != NULL) {
-      pCtx[k].fpSet.process(&pCtx[k]);
+      code = pCtx[k].fpSet.process(&pCtx[k]);
+      if (code != TSDB_CODE_SUCCESS) {
+        qError("%s apply functions error, code: %s", GET_TASKID(taskInfo), tstrerror(code));
+        taskInfo->code = code;
+        longjmp(taskInfo->env, code);
+      }
     }
 
     // restore it
@@ -806,7 +811,13 @@ static void doAggregateImpl(SOperatorInfo* pOperator, TSKEY startTs, SqlFunction
       // this can be set during create the struct
       // todo add a dummy funtion to avoid process check
       if (pCtx[k].fpSet.process != NULL) {
-        pCtx[k].fpSet.process(&pCtx[k]);
+        int32_t code = pCtx[k].fpSet.process(&pCtx[k]);
+        if (code != TSDB_CODE_SUCCESS) {
+          qError("%s call aggregate function error happens, code : %s",
+                 GET_TASKID(pOperator->pTaskInfo), tstrerror(code));
+          pOperator->pTaskInfo->code = code;
+          longjmp(pOperator->pTaskInfo->env, code);
+        }
       }
     }
   }
@@ -2176,7 +2187,7 @@ void setExecutionContext(int32_t numOfOutput, uint64_t groupId, SExecTaskInfo* p
  * @param pQInfo
  * @param result
  */
-int32_t doCopyToSDataBlock(SSDataBlock* pBlock, SExprInfo* pExprInfo, SDiskbasedBuf* pBuf, SGroupResInfo* pGroupResInfo,
+int32_t doCopyToSDataBlock(SExecTaskInfo* taskInfo, SSDataBlock* pBlock, SExprInfo* pExprInfo, SDiskbasedBuf* pBuf, SGroupResInfo* pGroupResInfo,
                            int32_t orderType, int32_t* rowCellOffset, SqlFunctionCtx* pCtx) {
   int32_t numOfRows = getNumOfTotalRes(pGroupResInfo);
   int32_t numOfResult = pBlock->info.rows;  // there are already exists result rows
@@ -2215,8 +2226,14 @@ int32_t doCopyToSDataBlock(SSDataBlock* pBlock, SExprInfo* pExprInfo, SDiskbased
       int32_t slotId = pExprInfo[j].base.resSchema.slotId;
 
       pCtx[j].resultInfo = getResultCell(pRow, j, rowCellOffset);
-      if (pCtx[j].fpSet.process) {
-        pCtx[j].fpSet.finalize(&pCtx[j], pBlock);
+      if (pCtx[j].fpSet.finalize) {
+        int32_t code = TSDB_CODE_SUCCESS;
+        code = pCtx[j].fpSet.finalize(&pCtx[j], pBlock);
+        if (TAOS_FAILED(code)) {
+          qError("%s build result data block error, code %s", GET_TASKID(taskInfo), tstrerror(code));
+          taskInfo->code = code;
+          longjmp(taskInfo->env, code);
+        }
       } else if (strcmp(pCtx[j].pExpr->pExpr->_function.functionName, "_select_value") == 0) {
         // do nothing, todo refactor
       } else {
@@ -2243,7 +2260,7 @@ int32_t doCopyToSDataBlock(SSDataBlock* pBlock, SExprInfo* pExprInfo, SDiskbased
   return 0;
 }
 
-void doBuildResultDatablock(SOptrBasicInfo* pbInfo, SGroupResInfo* pGroupResInfo, SExprInfo* pExprInfo,
+void doBuildResultDatablock(SExecTaskInfo *taskInfo, SOptrBasicInfo* pbInfo, SGroupResInfo* pGroupResInfo, SExprInfo* pExprInfo,
                             SDiskbasedBuf* pBuf) {
   assert(pGroupResInfo->currentGroup <= pGroupResInfo->totalGroup);
 
@@ -2257,7 +2274,7 @@ void doBuildResultDatablock(SOptrBasicInfo* pbInfo, SGroupResInfo* pGroupResInfo
   }
 
   int32_t orderType = TSDB_ORDER_ASC;
-  doCopyToSDataBlock(pBlock, pExprInfo, pBuf, pGroupResInfo, orderType, rowCellOffset, pCtx);
+  doCopyToSDataBlock(taskInfo, pBlock, pExprInfo, pBuf, pGroupResInfo, orderType, rowCellOffset, pCtx);
 
   // add condition (pBlock->info.rows >= 1) just to runtime happy
   blockDataUpdateTsWindow(pBlock);
@@ -3749,7 +3766,7 @@ static SSDataBlock* getAggregateResult(SOperatorInfo* pOperator) {
   }
 
   blockDataEnsureCapacity(pInfo->pRes, pOperator->resultInfo.capacity);
-  doBuildResultDatablock(pInfo, &pAggInfo->groupResInfo, pOperator->pExpr, pAggInfo->aggSup.pResultBuf);
+  doBuildResultDatablock(pTaskInfo, pInfo, &pAggInfo->groupResInfo, pOperator->pExpr, pAggInfo->aggSup.pResultBuf);
   if (pInfo->pRes->info.rows == 0 || !hasRemainDataInCurrentGroup(&pAggInfo->groupResInfo)) {
     doSetOperatorCompleted(pOperator);
   }
diff --git a/source/libs/executor/src/groupoperator.c b/source/libs/executor/src/groupoperator.c
index e3a507bf7cdc7e035039042e6878e004d525b2d5..5d22c13ec6a0394c6d83adfb5104cb12b92d3f44 100644
--- a/source/libs/executor/src/groupoperator.c
+++ b/source/libs/executor/src/groupoperator.c
@@ -234,7 +234,7 @@ static void doHashGroupbyAgg(SOperatorInfo* pOperator, SSDataBlock* pBlock) {
     }
 
     int32_t rowIndex = j - num;
-    doApplyFunctions(pCtx, &w, NULL, rowIndex, num, NULL, pBlock->info.rows, pOperator->numOfExprs, TSDB_ORDER_ASC);
+    doApplyFunctions(pTaskInfo, pCtx, &w, NULL, rowIndex, num, NULL, pBlock->info.rows, pOperator->numOfExprs, TSDB_ORDER_ASC);
 
     // assign the group keys or user input constant values if required
     doAssignGroupKeys(pCtx, pOperator->numOfExprs, pBlock->info.rows, rowIndex);
@@ -252,7 +252,7 @@ static void doHashGroupbyAgg(SOperatorInfo* pOperator, SSDataBlock* pBlock) {
     }
 
     int32_t rowIndex = pBlock->info.rows - num;
-    doApplyFunctions(pCtx, &w, NULL, rowIndex, num, NULL, pBlock->info.rows, pOperator->numOfExprs, TSDB_ORDER_ASC);
+    doApplyFunctions(pTaskInfo, pCtx, &w, NULL, rowIndex, num, NULL, pBlock->info.rows, pOperator->numOfExprs, TSDB_ORDER_ASC);
     doAssignGroupKeys(pCtx, pOperator->numOfExprs, pBlock->info.rows, rowIndex);
   }
 }
@@ -268,7 +268,7 @@ static SSDataBlock* hashGroupbyAggregate(SOperatorInfo* pOperator) {
   SSDataBlock* pRes = pInfo->binfo.pRes;
 
   if (pOperator->status == OP_RES_TO_RETURN) {
-    doBuildResultDatablock(&pInfo->binfo, &pInfo->groupResInfo, pOperator->pExpr, pInfo->aggSup.pResultBuf);
+    doBuildResultDatablock(pTaskInfo, &pInfo->binfo, &pInfo->groupResInfo, pOperator->pExpr, pInfo->aggSup.pResultBuf);
     if (pRes->info.rows == 0 || !hasRemainDataInCurrentGroup(&pInfo->groupResInfo)) {
       pOperator->status = OP_EXEC_DONE;
     }
@@ -317,7 +317,7 @@ static SSDataBlock* hashGroupbyAggregate(SOperatorInfo* pOperator) {
   initGroupedResultInfo(&pInfo->groupResInfo, pInfo->aggSup.pResultRowHashTable, false);
 
   while(1) {
-    doBuildResultDatablock(&pInfo->binfo, &pInfo->groupResInfo, pOperator->pExpr, pInfo->aggSup.pResultBuf);
+    doBuildResultDatablock(pTaskInfo, &pInfo->binfo, &pInfo->groupResInfo, pOperator->pExpr, pInfo->aggSup.pResultBuf);
     doFilter(pInfo->pCondition, pRes);
 
     bool hasRemain = hasRemainDataInCurrentGroup(&pInfo->groupResInfo);
diff --git a/source/libs/executor/src/timewindowoperator.c b/source/libs/executor/src/timewindowoperator.c
index 738f4821bde2dd153a4b38457e31bab5977510ba..0f3b1bda20a7d02106f6951bebdb8b65536694a4 100644
--- a/source/libs/executor/src/timewindowoperator.c
+++ b/source/libs/executor/src/timewindowoperator.c
@@ -703,7 +703,7 @@ static SArray* hashIntervalAgg(SOperatorInfo* pOperatorInfo, SResultRowInfo* pRe
                               pInfo->order, false);
 
   updateTimeWindowInfo(&pInfo->twAggSup.timeWindowData, &win, true);
-  doApplyFunctions(pInfo->binfo.pCtx, &win, &pInfo->twAggSup.timeWindowData, startPos, forwardStep, tsCols,
+  doApplyFunctions(pTaskInfo, pInfo->binfo.pCtx, &win, &pInfo->twAggSup.timeWindowData, startPos, forwardStep, tsCols,
                    pSDataBlock->info.rows, numOfOutput, TSDB_ORDER_ASC);
 
   STimeWindow nextWin = win;
@@ -740,7 +740,7 @@ static SArray* hashIntervalAgg(SOperatorInfo* pOperatorInfo, SResultRowInfo* pRe
                                 pInfo->order, false);
 
     updateTimeWindowInfo(&pInfo->twAggSup.timeWindowData, &nextWin, true);
-    doApplyFunctions(pInfo->binfo.pCtx, &nextWin, &pInfo->twAggSup.timeWindowData, startPos, forwardStep, tsCols,
+    doApplyFunctions(pTaskInfo, pInfo->binfo.pCtx, &nextWin, &pInfo->twAggSup.timeWindowData, startPos, forwardStep, tsCols,
                      pSDataBlock->info.rows, numOfOutput, TSDB_ORDER_ASC);
   }
 
@@ -855,7 +855,7 @@ static void doStateWindowAggImpl(SOperatorInfo* pOperator, SStateWindowOperatorI
       }
 
       updateTimeWindowInfo(&pInfo->twAggSup.timeWindowData, &window, false);
-      doApplyFunctions(pInfo->binfo.pCtx, &window, &pInfo->twAggSup.timeWindowData, pRowSup->startRowIndex,
+      doApplyFunctions(pTaskInfo, pInfo->binfo.pCtx, &window, &pInfo->twAggSup.timeWindowData, pRowSup->startRowIndex,
                        pRowSup->numOfRows, NULL, pBlock->info.rows, numOfOutput, TSDB_ORDER_ASC);
 
       // here we start a new session window
@@ -874,7 +874,7 @@ static void doStateWindowAggImpl(SOperatorInfo* pOperator, SStateWindowOperatorI
   }
 
   updateTimeWindowInfo(&pInfo->twAggSup.timeWindowData, &pRowSup->win, false);
-  doApplyFunctions(pInfo->binfo.pCtx, &pRowSup->win, &pInfo->twAggSup.timeWindowData, pRowSup->startRowIndex,
+  doApplyFunctions(pTaskInfo, pInfo->binfo.pCtx, &pRowSup->win, &pInfo->twAggSup.timeWindowData, pRowSup->startRowIndex,
                    pRowSup->numOfRows, NULL, pBlock->info.rows, numOfOutput, TSDB_ORDER_ASC);
 }
 
@@ -888,7 +888,7 @@ static SSDataBlock* doStateWindowAgg(SOperatorInfo* pOperator) {
   SOptrBasicInfo*           pBInfo = &pInfo->binfo;
 
   if (pOperator->status == OP_RES_TO_RETURN) {
-    doBuildResultDatablock(pBInfo, &pInfo->groupResInfo, pOperator->pExpr, pInfo->aggSup.pResultBuf);
+    doBuildResultDatablock(pTaskInfo, pBInfo, &pInfo->groupResInfo, pOperator->pExpr, pInfo->aggSup.pResultBuf);
     if (pBInfo->pRes->info.rows == 0 || !hasRemainDataInCurrentGroup(&pInfo->groupResInfo)) {
       doSetOperatorCompleted(pOperator);
       return NULL;
@@ -921,7 +921,7 @@ static SSDataBlock* doStateWindowAgg(SOperatorInfo* pOperator) {
 
   initGroupedResultInfo(&pInfo->groupResInfo, pInfo->aggSup.pResultRowHashTable, true);
   blockDataEnsureCapacity(pBInfo->pRes, pOperator->resultInfo.capacity);
-  doBuildResultDatablock(pBInfo, &pInfo->groupResInfo, pOperator->pExpr, pInfo->aggSup.pResultBuf);
+  doBuildResultDatablock(pTaskInfo, pBInfo, &pInfo->groupResInfo, pOperator->pExpr, pInfo->aggSup.pResultBuf);
   if (pBInfo->pRes->info.rows == 0 || !hasRemainDataInCurrentGroup(&pInfo->groupResInfo)) {
     doSetOperatorCompleted(pOperator);
   }
@@ -948,7 +948,7 @@ static SSDataBlock* doBuildIntervalResult(SOperatorInfo* pOperator) {
     }
 
     blockDataEnsureCapacity(pBlock, pOperator->resultInfo.capacity);
-    doBuildResultDatablock(&pInfo->binfo, &pInfo->groupResInfo, pOperator->pExpr, pInfo->aggSup.pResultBuf);
+    doBuildResultDatablock(pTaskInfo, &pInfo->binfo, &pInfo->groupResInfo, pOperator->pExpr, pInfo->aggSup.pResultBuf);
 
     if (pBlock->info.rows == 0 || !hasRemainDataInCurrentGroup(&pInfo->groupResInfo)) {
       doSetOperatorCompleted(pOperator);
@@ -998,7 +998,7 @@ static SSDataBlock* doStreamIntervalAgg(SOperatorInfo* pOperator) {
   }
 
   if (pOperator->status == OP_RES_TO_RETURN) {
-    doBuildResultDatablock(&pInfo->binfo, &pInfo->groupResInfo, pOperator->pExpr, pInfo->aggSup.pResultBuf);
+    doBuildResultDatablock(pOperator->pTaskInfo, &pInfo->binfo, &pInfo->groupResInfo, pOperator->pExpr, pInfo->aggSup.pResultBuf);
     if (pInfo->binfo.pRes->info.rows == 0 || !hasRemainDataInCurrentGroup(&pInfo->groupResInfo)) {
       pOperator->status = OP_EXEC_DONE;
     }
@@ -1035,7 +1035,7 @@ static SSDataBlock* doStreamIntervalAgg(SOperatorInfo* pOperator) {
 
   initMultiResInfoFromArrayList(&pInfo->groupResInfo, pUpdated);
   blockDataEnsureCapacity(pInfo->binfo.pRes, pOperator->resultInfo.capacity);
-  doBuildResultDatablock(&pInfo->binfo, &pInfo->groupResInfo, pOperator->pExpr, pInfo->aggSup.pResultBuf);
+  doBuildResultDatablock(pOperator->pTaskInfo, &pInfo->binfo, &pInfo->groupResInfo, pOperator->pExpr, pInfo->aggSup.pResultBuf);
 
   // TODO: remove for stream
   /*ASSERT(pInfo->binfo.pRes->info.rows > 0);*/
@@ -1233,7 +1233,7 @@ static void doSessionWindowAggImpl(SOperatorInfo* pOperator, SSessionAggOperator
 
       // pInfo->numOfRows data belong to the current session window
       updateTimeWindowInfo(&pInfo->twAggSup.timeWindowData, &window, false);
-      doApplyFunctions(pInfo->binfo.pCtx, &window, &pInfo->twAggSup.timeWindowData, pRowSup->startRowIndex,
+      doApplyFunctions(pTaskInfo, pInfo->binfo.pCtx, &window, &pInfo->twAggSup.timeWindowData, pRowSup->startRowIndex,
                        pRowSup->numOfRows, NULL, pBlock->info.rows, numOfOutput, TSDB_ORDER_ASC);
 
       // here we start a new session window
@@ -1252,7 +1252,7 @@ static void doSessionWindowAggImpl(SOperatorInfo* pOperator, SSessionAggOperator
   }
 
   updateTimeWindowInfo(&pInfo->twAggSup.timeWindowData, &pRowSup->win, false);
-  doApplyFunctions(pInfo->binfo.pCtx, &pRowSup->win, &pInfo->twAggSup.timeWindowData, pRowSup->startRowIndex,
+  doApplyFunctions(pTaskInfo, pInfo->binfo.pCtx, &pRowSup->win, &pInfo->twAggSup.timeWindowData, pRowSup->startRowIndex,
                    pRowSup->numOfRows, NULL, pBlock->info.rows, numOfOutput, TSDB_ORDER_ASC);
 }
 
@@ -1265,7 +1265,7 @@ static SSDataBlock* doSessionWindowAgg(SOperatorInfo* pOperator) {
   SOptrBasicInfo*          pBInfo = &pInfo->binfo;
 
   if (pOperator->status == OP_RES_TO_RETURN) {
-    doBuildResultDatablock(pBInfo, &pInfo->groupResInfo, pOperator->pExpr, pInfo->aggSup.pResultBuf);
+    doBuildResultDatablock(pOperator->pTaskInfo, pBInfo, &pInfo->groupResInfo, pOperator->pExpr, pInfo->aggSup.pResultBuf);
     if (pBInfo->pRes->info.rows == 0 || !hasRemainDataInCurrentGroup(&pInfo->groupResInfo)) {
       doSetOperatorCompleted(pOperator);
       return NULL;
@@ -1298,7 +1298,7 @@ static SSDataBlock* doSessionWindowAgg(SOperatorInfo* pOperator) {
 
   initGroupedResultInfo(&pInfo->groupResInfo, pInfo->aggSup.pResultRowHashTable, true);
   blockDataEnsureCapacity(pBInfo->pRes, pOperator->resultInfo.capacity);
-  doBuildResultDatablock(pBInfo, &pInfo->groupResInfo, pOperator->pExpr, pInfo->aggSup.pResultBuf);
+  doBuildResultDatablock(pOperator->pTaskInfo, pBInfo, &pInfo->groupResInfo, pOperator->pExpr, pInfo->aggSup.pResultBuf);
   if (pBInfo->pRes->info.rows == 0 || !hasRemainDataInCurrentGroup(&pInfo->groupResInfo)) {
     doSetOperatorCompleted(pOperator);
   }
diff --git a/source/libs/function/inc/builtinsimpl.h b/source/libs/function/inc/builtinsimpl.h
index f5ee29603e95ab4062c443a6f969f04dbbc5b184..087e2434970b76a7e2bb09836fed988a22b86122 100644
--- a/source/libs/function/inc/builtinsimpl.h
+++ b/source/libs/function/inc/builtinsimpl.h
@@ -95,6 +95,9 @@ bool stateFunctionSetup(SqlFunctionCtx *pCtx, SResultRowEntryInfo* pResultInfo);
 int32_t stateCountFunction(SqlFunctionCtx* pCtx);
 int32_t stateDurationFunction(SqlFunctionCtx* pCtx);
 
+bool getCsumFuncEnv(struct SFunctionNode* pFunc, SFuncExecEnv* pEnv);
+int32_t csumFunction(SqlFunctionCtx* pCtx);
+
 bool getSelectivityFuncEnv(SFunctionNode* pFunc, SFuncExecEnv* pEnv);
 
 #ifdef __cplusplus
diff --git a/source/libs/function/src/builtins.c b/source/libs/function/src/builtins.c
index 00a87ab2367f16bbb56cad8b7ddab788404f1ac8..e165810e3034ce9557443fba6cadea4a1c8391d7 100644
--- a/source/libs/function/src/builtins.c
+++ b/source/libs/function/src/builtins.c
@@ -308,6 +308,37 @@ static int32_t translateStateDuration(SFunctionNode* pFunc, char* pErrBuf, int32
   return TSDB_CODE_SUCCESS;
 }
 
+static int32_t translateCsum(SFunctionNode* pFunc, char* pErrBuf, int32_t len) {
+  if (1 != LIST_LENGTH(pFunc->pParameterList)) {
+    return TSDB_CODE_SUCCESS;
+  }
+
+  SNode* pPara = nodesListGetNode(pFunc->pParameterList, 0);
+  if (QUERY_NODE_COLUMN != nodeType(pPara)) {
+    return buildFuncErrMsg(pErrBuf, len, TSDB_CODE_FUNC_FUNTION_ERROR,
+                           "The input parameter of CSUM function can only be column");
+  }
+
+  uint8_t colType = ((SExprNode*)nodesListGetNode(pFunc->pParameterList, 0))->resType.type;
+  uint8_t resType;
+  if (!IS_NUMERIC_TYPE(colType)) {
+    return invaildFuncParaTypeErrMsg(pErrBuf, len, pFunc->functionName);
+  } else {
+    if (IS_SIGNED_NUMERIC_TYPE(colType)) {
+      resType = TSDB_DATA_TYPE_BIGINT;
+    } else if (IS_UNSIGNED_NUMERIC_TYPE(colType)) {
+      resType = TSDB_DATA_TYPE_UBIGINT;
+    } else if (IS_FLOAT_TYPE(colType)) {
+      resType = TSDB_DATA_TYPE_DOUBLE;
+    } else {
+      ASSERT(0);
+    }
+  }
+
+  pFunc->node.resType = (SDataType) { .bytes = tDataTypes[resType].bytes, .type = resType};
+  return TSDB_CODE_SUCCESS;
+}
+
 static int32_t translateLastRow(SFunctionNode* pFunc, char* pErrBuf, int32_t len) {
   // todo
   return TSDB_CODE_SUCCESS;
@@ -742,6 +773,16 @@ const SBuiltinFuncDefinition funcMgtBuiltins[] = {
     .processFunc  = stateDurationFunction,
     .finalizeFunc = NULL
   },
+  {
+    .name = "csum",
+    .type = FUNCTION_TYPE_CSUM,
+    .classification = FUNC_MGT_NONSTANDARD_SQL_FUNC | FUNC_MGT_TIMELINE_FUNC,
+    .translateFunc = translateCsum,
+    .getEnvFunc   = getCsumFuncEnv,
+    .initFunc     = functionSetup,
+    .processFunc  = csumFunction,
+    .finalizeFunc = NULL
+  },
   {
     .name = "abs",
     .type = FUNCTION_TYPE_ABS,
diff --git a/source/libs/function/src/builtinsimpl.c b/source/libs/function/src/builtinsimpl.c
index aed576a68775e86a028848ddc3bda41a2da66671..ca470a05217c677fe55811374f8e22e64d5a8c3f 100644
--- a/source/libs/function/src/builtinsimpl.c
+++ b/source/libs/function/src/builtinsimpl.c
@@ -2818,7 +2818,6 @@ int32_t stateCountFunction(SqlFunctionCtx* pCtx) {
   SInputColumnInfoData* pInput = &pCtx->input;
 
   SColumnInfoData* pInputCol = pInput->pData[0];
-  SColumnInfoData* pTsOutput = pCtx->pTsOutput;
 
   int32_t numOfElems = 0;
   SColumnInfoData* pOutput = (SColumnInfoData*)pCtx->pOutput;
@@ -2856,7 +2855,6 @@ int32_t stateDurationFunction(SqlFunctionCtx* pCtx) {
   TSKEY* tsList = (int64_t*)pInput->pPTS->pData;
 
   SColumnInfoData* pInputCol = pInput->pData[0];
-  SColumnInfoData* pTsOutput = pCtx->pTsOutput;
 
   int32_t numOfElems = 0;
   SColumnInfoData* pOutput = (SColumnInfoData*)pCtx->pOutput;
@@ -2896,3 +2894,58 @@ int32_t stateDurationFunction(SqlFunctionCtx* pCtx) {
 
   return numOfElems;
 }
+
+bool getCsumFuncEnv(SFunctionNode* UNUSED_PARAM(pFunc), SFuncExecEnv* pEnv) {
+  pEnv->calcMemSize = sizeof(SSumRes);
+  return true;
+}
+
+int32_t csumFunction(SqlFunctionCtx* pCtx) {
+  SResultRowEntryInfo* pResInfo = GET_RES_INFO(pCtx);
+  SSumRes*             pSumRes = GET_ROWCELL_INTERBUF(pResInfo);
+
+  SInputColumnInfoData* pInput = &pCtx->input;
+  TSKEY* tsList = (int64_t*)pInput->pPTS->pData;
+
+  SColumnInfoData* pInputCol = pInput->pData[0];
+  SColumnInfoData* pTsOutput = pCtx->pTsOutput;
+  SColumnInfoData* pOutput = (SColumnInfoData*)pCtx->pOutput;
+
+  int32_t numOfElems = 0;
+  int32_t type = pInputCol->info.type;
+  int32_t startOffset = pCtx->offset;
+  for (int32_t i = pInput->startRowIndex; i < pInput->numOfRows + pInput->startRowIndex; i += 1) {
+    int32_t pos = startOffset + numOfElems;
+    if (colDataIsNull_f(pInputCol->nullbitmap, i)) {
+      //colDataAppendNULL(pOutput, i);
+      continue;
+    }
+
+    char* data = colDataGetData(pInputCol, i);
+    if (IS_SIGNED_NUMERIC_TYPE(type)) {
+      int64_t v;
+      GET_TYPED_DATA(v, int64_t, type, data);
+      pSumRes->isum += v;
+      colDataAppend(pOutput, pos, (char *)&pSumRes->isum, false);
+    } else if (IS_UNSIGNED_NUMERIC_TYPE(type)) {
+      uint64_t v;
+      GET_TYPED_DATA(v, uint64_t, type, data);
+      pSumRes->usum += v;
+      colDataAppend(pOutput, pos, (char *)&pSumRes->usum, false);
+    } else if (IS_FLOAT_TYPE(type)) {
+      double v;
+      GET_TYPED_DATA(v, double, type, data);
+      pSumRes->dsum += v;
+      colDataAppend(pOutput, pos, (char *)&pSumRes->dsum, false);
+    }
+
+    //TODO: remove this after pTsOutput is handled
+    if (pTsOutput != NULL) {
+      colDataAppendInt64(pTsOutput, pos, &tsList[i]);
+    }
+
+    numOfElems++;
+  }
+
+  return numOfElems;
+}
diff --git a/source/libs/function/src/tudf.c b/source/libs/function/src/tudf.c
index a577ea200fa5e41cef7bae9894bfe769fcce996a..dfa7fac15ad628e16de391553a55bd2749896a0d 100644
--- a/source/libs/function/src/tudf.c
+++ b/source/libs/function/src/tudf.c
@@ -695,6 +695,7 @@ int32_t convertDataBlockToUdfDataBlock(SSDataBlock *block, SUdfDataBlock *udfBlo
     udfCol->colMeta.scale = col->info.scale;
     udfCol->colMeta.precision = col->info.precision;
     udfCol->colData.numOfRows = udfBlock->numOfRows;
+    udfCol->hasNull = col->hasNull;
     if (IS_VAR_DATA_TYPE(udfCol->colMeta.type)) {
       udfCol->colData.varLenCol.varOffsetsLen = sizeof(int32_t) * udfBlock->numOfRows;
       udfCol->colData.varLenCol.varOffsets = taosMemoryMalloc(udfCol->colData.varLenCol.varOffsetsLen);
@@ -731,6 +732,7 @@ int32_t convertUdfColumnToDataBlock(SUdfColumn *udfCol, SSDataBlock *block) {
   col->info.bytes = meta->bytes;
   col->info.scale = meta->scale;
   col->info.type = meta->type;
+  col->hasNull = udfCol->hasNull;
   SUdfColumnData *data = &udfCol->colData;
 
   if (!IS_VAR_DATA_TYPE(meta->type)) {
@@ -929,7 +931,7 @@ void udfcUvHandleError(SClientUvConn *conn) {
   while (!QUEUE_EMPTY(&conn->taskQueue)) {
     QUEUE* h = QUEUE_HEAD(&conn->taskQueue);
     SClientUvTaskNode *task = QUEUE_DATA(h, SClientUvTaskNode, connTaskQueue);
-    task->errCode = UDFC_CODE_PIPE_READ_ERR;
+    task->errCode = TSDB_CODE_UDF_PIPE_READ_ERR;
     QUEUE_REMOVE(&task->connTaskQueue);
     QUEUE_REMOVE(&task->procTaskQueue);
     uv_sem_post(&task->taskSem);
@@ -1117,7 +1119,7 @@ void cleanUpUvTasks(SUdfdProxy *udfc) {
     QUEUE_REMOVE(h);
     SClientUvTaskNode *task = QUEUE_DATA(h, SClientUvTaskNode, recvTaskQueue);
     if (udfc->gUdfcState == UDFC_STATE_STOPPING) {
-      task->errCode = UDFC_CODE_STOPPING;
+      task->errCode = TSDB_CODE_UDF_STOPPING;
     }
     uv_sem_post(&task->taskSem);
   }
@@ -1127,7 +1129,7 @@ void cleanUpUvTasks(SUdfdProxy *udfc) {
     QUEUE_REMOVE(h);
     SClientUvTaskNode *task = QUEUE_DATA(h, SClientUvTaskNode, procTaskQueue);
     if (udfc->gUdfcState == UDFC_STATE_STOPPING) {
-      task->errCode = UDFC_CODE_STOPPING;
+      task->errCode = TSDB_CODE_UDF_STOPPING;
     }
     uv_sem_post(&task->taskSem);
   }
@@ -1211,7 +1213,7 @@ int32_t udfcRunUdfUvTask(SClientUdfTask *task, int8_t uvTaskType) {
 int32_t setupUdf(char udfName[], UdfcFuncHandle *funcHandle) {
   fnInfo("udfc setup udf. udfName: %s", udfName);
   if (gUdfdProxy.gUdfcState != UDFC_STATE_READY) {
-    return UDFC_CODE_INVALID_STATE;
+    return TSDB_CODE_UDF_INVALID_STATE;
   }
   SClientUdfTask *task = taosMemoryCalloc(1,sizeof(SClientUdfTask));
   task->errCode = 0;
@@ -1225,7 +1227,7 @@ int32_t setupUdf(char udfName[], UdfcFuncHandle *funcHandle) {
   int32_t errCode = udfcRunUdfUvTask(task, UV_TASK_CONNECT);
   if (errCode != 0) {
     fnError("failed to connect to pipe. udfName: %s, pipe: %s", udfName, (&gUdfdProxy)->udfdPipeName);
-    return UDFC_CODE_CONNECT_PIPE_ERR;
+    return TSDB_CODE_UDF_PIPE_CONNECT_ERR;
   }
 
   udfcRunUdfUvTask(task, UV_TASK_REQ_RSP);
@@ -1252,7 +1254,7 @@ int32_t callUdf(UdfcFuncHandle handle, int8_t callType, SSDataBlock *input, SUdf
   SClientUdfUvSession *session = (SClientUdfUvSession *) handle;
   if (session->udfUvPipe == NULL) {
     fnError("No pipe to udfd");
-    return UDFC_CODE_NO_PIPE;
+    return TSDB_CODE_UDF_PIPE_NO_PIPE;
   }
   SClientUdfTask *task = taosMemoryCalloc(1, sizeof(SClientUdfTask));
   task->errCode = 0;
@@ -1372,7 +1374,7 @@ int32_t teardownUdf(UdfcFuncHandle handle) {
   SClientUdfUvSession *session = (SClientUdfUvSession *) handle;
   if (session->udfUvPipe == NULL) {
     fnError("pipe to udfd does not exist");
-    return UDFC_CODE_NO_PIPE;
+    return TSDB_CODE_UDF_PIPE_NO_PIPE;
   }
 
   SClientUdfTask *task = taosMemoryCalloc(1, sizeof(SClientUdfTask));
diff --git a/source/libs/function/src/udfd.c b/source/libs/function/src/udfd.c
index 0ad4674cfa8a01f7e805afe99899b6bbb121b0cc..f006695f14573309d1a5405860466850346429e5 100644
--- a/source/libs/function/src/udfd.c
+++ b/source/libs/function/src/udfd.c
@@ -102,7 +102,7 @@ int32_t udfdLoadUdf(char *udfName, SUdf *udf) {
   int err = uv_dlopen(udf->path, &udf->lib);
   if (err != 0) {
     fnError("can not load library %s. error: %s", udf->path, uv_strerror(err));
-    return UDFC_CODE_LOAD_UDF_FAILURE;
+    return TSDB_CODE_UDF_LOAD_UDF_FAILURE;
   }
 
   char initFuncName[TSDB_FUNC_NAME_LEN+5] = {0};
diff --git a/source/libs/sync/inc/syncInt.h b/source/libs/sync/inc/syncInt.h
index cb539e837929bf7b8dcfd958f4caaac805d760e0..8a21eea7b7c9ce2254ce0962c8a0b67489f06e8c 100644
--- a/source/libs/sync/inc/syncInt.h
+++ b/source/libs/sync/inc/syncInt.h
@@ -271,6 +271,7 @@ int32_t syncNodeSendMsgByInfo(const SNodeInfo* nodeInfo, SSyncNode* pSyncNode, S
 cJSON*  syncNode2Json(const SSyncNode* pSyncNode);
 char*   syncNode2Str(const SSyncNode* pSyncNode);
 char*   syncNode2SimpleStr(const SSyncNode* pSyncNode);
+void    syncNodeUpdateConfig(SSyncNode* pSyncNode, SSyncCfg *newConfig);
 
 SSyncNode* syncNodeAcquire(int64_t rid);
 void       syncNodeRelease(SSyncNode* pNode);
diff --git a/source/libs/sync/inc/syncUtil.h b/source/libs/sync/inc/syncUtil.h
index 83f31c5dac0815b8d8e0f16048a5a8bb0a2b6e66..159af1610e72a7b96f772e11e1589ce9b3e4498f 100644
--- a/source/libs/sync/inc/syncUtil.h
+++ b/source/libs/sync/inc/syncUtil.h
@@ -57,6 +57,11 @@ SyncIndex   syncUtilMinIndex(SyncIndex a, SyncIndex b);
 SyncIndex   syncUtilMaxIndex(SyncIndex a, SyncIndex b);
 void        syncUtilMsgHtoN(void* msg);
 void        syncUtilMsgNtoH(void* msg);
+bool        syncUtilIsData(tmsg_t msgType);
+bool        syncUtilUserPreCommit(tmsg_t msgType);
+bool        syncUtilUserCommit(tmsg_t msgType);
+bool        syncUtilUserRollback(tmsg_t msgType);
+
 
 #ifdef __cplusplus
 }
diff --git a/source/libs/sync/src/syncAppendEntries.c b/source/libs/sync/src/syncAppendEntries.c
index 6623ed1caa3eed6a7fc4cc98654bf5fb6dbc172e..aed19d042e54195ab98d5bd86a38bd8f5fa2be03 100644
--- a/source/libs/sync/src/syncAppendEntries.c
+++ b/source/libs/sync/src/syncAppendEntries.c
@@ -19,6 +19,7 @@
 #include "syncRaftStore.h"
 #include "syncUtil.h"
 #include "syncVoteMgr.h"
+#include "syncRaftCfg.h"
 
 // TLA+ Spec
 // HandleAppendEntriesRequest(i, j, m) ==
@@ -199,7 +200,8 @@ int32_t syncNodeOnAppendEntriesCb(SSyncNode* ths, SyncAppendEntries* pMsg) {
             SSyncRaftEntry* pRollBackEntry = logStoreGetEntry(ths->pLogStore, index);
             assert(pRollBackEntry != NULL);
 
-            if (pRollBackEntry->msgType != TDMT_VND_SYNC_NOOP) {
+            //if (pRollBackEntry->msgType != TDMT_VND_SYNC_NOOP) {
+            if (syncUtilUserRollback(pRollBackEntry->msgType)) {
               SRpcMsg rpcMsg;
               syncEntry2OriginalRpc(pRollBackEntry, &rpcMsg);
 
@@ -227,7 +229,8 @@ int32_t syncNodeOnAppendEntriesCb(SSyncNode* ths, SyncAppendEntries* pMsg) {
         SRpcMsg rpcMsg;
         syncEntry2OriginalRpc(pAppendEntry, &rpcMsg);
         if (ths->pFsm != NULL) {
-          if (ths->pFsm->FpPreCommitCb != NULL && pAppendEntry->originalRpcType != TDMT_VND_SYNC_NOOP) {
+          //if (ths->pFsm->FpPreCommitCb != NULL && pAppendEntry->originalRpcType != TDMT_VND_SYNC_NOOP) {
+          if (ths->pFsm->FpPreCommitCb != NULL && syncUtilUserPreCommit(pAppendEntry->originalRpcType)) {
             SFsmCbMeta cbMeta;
             cbMeta.index = pAppendEntry->index;
             cbMeta.isWeak = pAppendEntry->isWeak;
@@ -258,7 +261,8 @@ int32_t syncNodeOnAppendEntriesCb(SSyncNode* ths, SyncAppendEntries* pMsg) {
       SRpcMsg rpcMsg;
       syncEntry2OriginalRpc(pAppendEntry, &rpcMsg);
       if (ths->pFsm != NULL) {
-        if (ths->pFsm->FpPreCommitCb != NULL && pAppendEntry->originalRpcType != TDMT_VND_SYNC_NOOP) {
+        //if (ths->pFsm->FpPreCommitCb != NULL && pAppendEntry->originalRpcType != TDMT_VND_SYNC_NOOP) {
+        if (ths->pFsm->FpPreCommitCb != NULL && syncUtilUserPreCommit(pAppendEntry->originalRpcType)) {
           SFsmCbMeta cbMeta;
           cbMeta.index = pAppendEntry->index;
           cbMeta.isWeak = pAppendEntry->isWeak;
@@ -320,7 +324,8 @@ int32_t syncNodeOnAppendEntriesCb(SSyncNode* ths, SyncAppendEntries* pMsg) {
               SRpcMsg rpcMsg;
               syncEntry2OriginalRpc(pEntry, &rpcMsg);
 
-              if (ths->pFsm->FpCommitCb != NULL && pEntry->originalRpcType != TDMT_VND_SYNC_NOOP) {
+              //if (ths->pFsm->FpCommitCb != NULL && pEntry->originalRpcType != TDMT_VND_SYNC_NOOP) {
+              if (ths->pFsm->FpCommitCb != NULL && syncUtilUserCommit(pEntry->originalRpcType)) {
                 SFsmCbMeta cbMeta;
                 cbMeta.index = pEntry->index;
                 cbMeta.isWeak = pEntry->isWeak;
@@ -330,6 +335,15 @@ int32_t syncNodeOnAppendEntriesCb(SSyncNode* ths, SyncAppendEntries* pMsg) {
                 ths->pFsm->FpCommitCb(ths->pFsm, &rpcMsg, cbMeta);
               }
 
+              // config change
+              if (pEntry->originalRpcType == TDMT_VND_SYNC_CONFIG_CHANGE) {
+                SSyncCfg newSyncCfg;
+                int32_t ret = syncCfgFromStr(rpcMsg.pCont, &newSyncCfg);
+                ASSERT(ret == 0);
+
+                syncNodeUpdateConfig(ths, &newSyncCfg);
+              }
+
               rpcFreeCont(rpcMsg.pCont);
               syncEntryDestory(pEntry);
             }
diff --git a/source/libs/sync/src/syncCommit.c b/source/libs/sync/src/syncCommit.c
index 5d6cbd2a586831cf6be70e380abccf16898345ea..620f0e9cd20d8f4738d9bf3cfdf7a985f7493b65 100644
--- a/source/libs/sync/src/syncCommit.c
+++ b/source/libs/sync/src/syncCommit.c
@@ -19,6 +19,7 @@
 #include "syncRaftLog.h"
 #include "syncRaftStore.h"
 #include "syncUtil.h"
+#include "syncRaftCfg.h"
 
 // \* Leader i advances its commitIndex.
 // \* This is done as a separate step from handling AppendEntries responses,
@@ -101,7 +102,8 @@ void syncMaybeAdvanceCommitIndex(SSyncNode* pSyncNode) {
           SRpcMsg rpcMsg;
           syncEntry2OriginalRpc(pEntry, &rpcMsg);
 
-          if (pSyncNode->pFsm->FpCommitCb != NULL && pEntry->originalRpcType != TDMT_VND_SYNC_NOOP) {
+          //if (pSyncNode->pFsm->FpCommitCb != NULL && pEntry->originalRpcType != TDMT_VND_SYNC_NOOP) {
+          if (pSyncNode->pFsm->FpCommitCb != NULL && syncUtilUserCommit(pEntry->originalRpcType)) {
             SFsmCbMeta cbMeta;
             cbMeta.index = pEntry->index;
             cbMeta.isWeak = pEntry->isWeak;
@@ -111,6 +113,15 @@ void syncMaybeAdvanceCommitIndex(SSyncNode* pSyncNode) {
             pSyncNode->pFsm->FpCommitCb(pSyncNode->pFsm, &rpcMsg, cbMeta);
           }
 
+          // config change
+            if (pEntry->originalRpcType == TDMT_VND_SYNC_CONFIG_CHANGE) {
+              SSyncCfg newSyncCfg;
+              int32_t ret = syncCfgFromStr(rpcMsg.pCont, &newSyncCfg);
+              ASSERT(ret == 0);
+
+              syncNodeUpdateConfig(pSyncNode, &newSyncCfg);
+          }
+
           rpcFreeCont(rpcMsg.pCont);
           syncEntryDestory(pEntry);
         }
diff --git a/source/libs/sync/src/syncMain.c b/source/libs/sync/src/syncMain.c
index 911d8384f076a6ab36dfddfceeec623b794afab9..da23d8415bdc6f482f3db915487d8029954e96e2 100644
--- a/source/libs/sync/src/syncMain.c
+++ b/source/libs/sync/src/syncMain.c
@@ -116,6 +116,15 @@ void syncStop(int64_t rid) {
 
 int32_t syncReconfig(int64_t rid, const SSyncCfg* pSyncCfg) {
   int32_t ret = 0;
+  char *configChange = syncCfg2Str((SSyncCfg*)pSyncCfg);
+  SRpcMsg rpcMsg = {0};
+  rpcMsg.msgType = TDMT_VND_SYNC_CONFIG_CHANGE;
+  rpcMsg.noResp = 1;
+  rpcMsg.contLen = strlen(configChange) + 1;
+  rpcMsg.pCont = rpcMallocCont(rpcMsg.contLen);
+  snprintf(rpcMsg.pCont, rpcMsg.contLen, "%s", configChange);
+  taosMemoryFree(configChange);
+  ret = syncPropose(rid, &rpcMsg, false);
   return ret;
 }
 
@@ -849,6 +858,35 @@ char* syncNode2SimpleStr(const SSyncNode* pSyncNode) {
   return s;
 }
 
+void syncNodeUpdateConfig(SSyncNode* pSyncNode, SSyncCfg *newConfig) {
+  pSyncNode->pRaftCfg->cfg = *newConfig;
+  int32_t ret = raftCfgPersist(pSyncNode->pRaftCfg);
+  ASSERT(ret == 0);
+
+  // init internal
+  pSyncNode->myNodeInfo = pSyncNode->pRaftCfg->cfg.nodeInfo[pSyncNode->pRaftCfg->cfg.myIndex];
+  syncUtilnodeInfo2raftId(&pSyncNode->myNodeInfo, pSyncNode->vgId, &pSyncNode->myRaftId);
+
+  // init peersNum, peers, peersId
+  pSyncNode->peersNum = pSyncNode->pRaftCfg->cfg.replicaNum - 1;
+  int j = 0;
+  for (int i = 0; i < pSyncNode->pRaftCfg->cfg.replicaNum; ++i) {
+    if (i != pSyncNode->pRaftCfg->cfg.myIndex) {
+      pSyncNode->peersNodeInfo[j] = pSyncNode->pRaftCfg->cfg.nodeInfo[i];
+      j++;
+    }
+  }
+  for (int i = 0; i < pSyncNode->peersNum; ++i) {
+    syncUtilnodeInfo2raftId(&pSyncNode->peersNodeInfo[i], pSyncNode->vgId, &pSyncNode->peersId[i]);
+  }
+
+  // init replicaNum, replicasId
+  pSyncNode->replicaNum = pSyncNode->pRaftCfg->cfg.replicaNum;
+  for (int i = 0; i < pSyncNode->pRaftCfg->cfg.replicaNum; ++i) {
+    syncUtilnodeInfo2raftId(&pSyncNode->pRaftCfg->cfg.nodeInfo[i], pSyncNode->vgId, &pSyncNode->replicasId[i]);
+  }
+}
+
 SSyncNode* syncNodeAcquire(int64_t rid) {
   SSyncNode* pNode = taosAcquireRef(tsNodeRefId, rid);
   if (pNode == NULL) {
@@ -1207,7 +1245,8 @@ int32_t syncNodeOnClientRequestCb(SSyncNode* ths, SyncClientRequest* pMsg) {
     syncEntry2OriginalRpc(pEntry, &rpcMsg);
 
     if (ths->pFsm != NULL) {
-      if (ths->pFsm->FpPreCommitCb != NULL && pEntry->originalRpcType != TDMT_VND_SYNC_NOOP) {
+      //if (ths->pFsm->FpPreCommitCb != NULL && pEntry->originalRpcType != TDMT_VND_SYNC_NOOP) {
+      if (ths->pFsm->FpPreCommitCb != NULL && syncUtilUserPreCommit(pEntry->originalRpcType)) {
         SFsmCbMeta cbMeta;
         cbMeta.index = pEntry->index;
         cbMeta.isWeak = pEntry->isWeak;
@@ -1228,7 +1267,8 @@ int32_t syncNodeOnClientRequestCb(SSyncNode* ths, SyncClientRequest* pMsg) {
     syncEntry2OriginalRpc(pEntry, &rpcMsg);
 
     if (ths->pFsm != NULL) {
-      if (ths->pFsm->FpPreCommitCb != NULL && pEntry->originalRpcType != TDMT_VND_SYNC_NOOP) {
+      //if (ths->pFsm->FpPreCommitCb != NULL && pEntry->originalRpcType != TDMT_VND_SYNC_NOOP) {
+      if (ths->pFsm->FpPreCommitCb != NULL && syncUtilUserPreCommit(pEntry->originalRpcType)) {
         SFsmCbMeta cbMeta;
         cbMeta.index = pEntry->index;
         cbMeta.isWeak = pEntry->isWeak;
diff --git a/source/libs/sync/src/syncUtil.c b/source/libs/sync/src/syncUtil.c
index 3110c0b2a338e04d8aec6bf61ea5f9019234c69d..cf045a692611a64e75c2f4c595180f1e324e75f9 100644
--- a/source/libs/sync/src/syncUtil.c
+++ b/source/libs/sync/src/syncUtil.c
@@ -212,4 +212,32 @@ void syncUtilMsgNtoH(void* msg) {
   SMsgHead* pHead = msg;
   pHead->contLen = ntohl(pHead->contLen);
   pHead->vgId = ntohl(pHead->vgId);
+}
+
+bool syncUtilIsData(tmsg_t msgType) {
+  if (msgType == TDMT_VND_SYNC_NOOP || msgType == TDMT_VND_SYNC_CONFIG_CHANGE) {
+    return false;
+  }
+  return true;
+}
+
+bool syncUtilUserPreCommit(tmsg_t msgType) {
+  if (msgType != TDMT_VND_SYNC_NOOP && msgType != TDMT_VND_SYNC_CONFIG_CHANGE) {
+    return true;
+  }
+  return false;
+}
+
+bool syncUtilUserCommit(tmsg_t msgType) {
+  if (msgType != TDMT_VND_SYNC_NOOP && msgType != TDMT_VND_SYNC_CONFIG_CHANGE) {
+    return true;
+  }
+  return false;
+}
+
+bool syncUtilUserRollback(tmsg_t msgType) {
+  if (msgType != TDMT_VND_SYNC_NOOP && msgType != TDMT_VND_SYNC_CONFIG_CHANGE) {
+    return true;
+  }
+  return false;
 }
\ No newline at end of file
diff --git a/source/libs/tdb/src/db/tdbBtree.c b/source/libs/tdb/src/db/tdbBtree.c
index cf7dd5010343fa86a3c322492771ce20083e226f..fffda68731cb15da91669c72913f776cb67496ca 100644
--- a/source/libs/tdb/src/db/tdbBtree.c
+++ b/source/libs/tdb/src/db/tdbBtree.c
@@ -114,6 +114,7 @@ int tdbBtreeOpen(int keyLen, int valLen, SPager *pPager, tdb_cmpr_fn_t kcmpr, SB
 
 int tdbBtreeClose(SBTree *pBt) {
   if (pBt) {
+    tdbFree(pBt->pBuf);
     tdbOsFree(pBt);
   }
   return 0;
diff --git a/source/libs/tdb/src/db/tdbPCache.c b/source/libs/tdb/src/db/tdbPCache.c
index aa056874267f7f09f4896d6429af00598e09a915..8574e071f2a9b4d230a75d5ccb7d4a5b73bbbf24 100644
--- a/source/libs/tdb/src/db/tdbPCache.c
+++ b/source/libs/tdb/src/db/tdbPCache.c
@@ -242,7 +242,7 @@ static void tdbPCacheRemovePageFromHash(SPCache *pCache, SPage *pPage) {
   int     h;
 
   h = tdbPCachePageHash(&(pPage->pgid));
-  for (ppPage = &(pCache->pgHash[h % pCache->nHash]); *ppPage != pPage; ppPage = &((*ppPage)->pHashNext))
+  for (ppPage = &(pCache->pgHash[h % pCache->nHash]); (*ppPage) && *ppPage != pPage; ppPage = &((*ppPage)->pHashNext))
     ;
   ASSERT(*ppPage == pPage);
   *ppPage = pPage->pHashNext;
diff --git a/source/libs/wal/src/walRead.c b/source/libs/wal/src/walRead.c
index 0cfe75bf333a0abaf0684fd05ce8a20adf811170..b04dea0213add6a24caba63b456d7f0ee4fe6b2d 100644
--- a/source/libs/wal/src/walRead.c
+++ b/source/libs/wal/src/walRead.c
@@ -65,11 +65,18 @@ static int32_t walReadSeekFilePos(SWalReadHandle *pRead, int64_t fileFirstVer, i
   ret = taosLSeekFile(pIdxTFile, offset, SEEK_SET);
   if (ret < 0) {
     terrno = TAOS_SYSTEM_ERROR(errno);
+    wError("failed to seek idx file, ver %ld, pos: %ld, since %s", ver, offset, terrstr());
     return -1;
   }
   SWalIdxEntry entry;
-  if (taosReadFile(pIdxTFile, &entry, sizeof(SWalIdxEntry)) != sizeof(SWalIdxEntry)) {
-    terrno = TSDB_CODE_WAL_FILE_CORRUPTED;
+  if ((ret = taosReadFile(pIdxTFile, &entry, sizeof(SWalIdxEntry))) != sizeof(SWalIdxEntry)) {
+    if (ret < 0) {
+      terrno = TAOS_SYSTEM_ERROR(errno);
+      wError("failed to read idx file, since %s", terrstr());
+    } else {
+      terrno = TSDB_CODE_WAL_FILE_CORRUPTED;
+      wError("read idx file incompletely, read bytes %d, bytes should be %lu", ret, sizeof(SWalIdxEntry));
+    }
     return -1;
   }
 
@@ -77,6 +84,7 @@ static int32_t walReadSeekFilePos(SWalReadHandle *pRead, int64_t fileFirstVer, i
   ret = taosLSeekFile(pLogTFile, entry.offset, SEEK_SET);
   if (ret < 0) {
     terrno = TAOS_SYSTEM_ERROR(errno);
+    wError("failed to seek log file, ver %ld, pos: %ld, since %s", ver, entry.offset, terrstr());
     return -1;
   }
   return ret;
@@ -92,6 +100,8 @@ static int32_t walReadChangeFile(SWalReadHandle *pRead, int64_t fileFirstVer) {
   TdFilePtr pLogTFile = taosOpenFile(fnameStr, TD_FILE_READ);
   if (pLogTFile == NULL) {
     terrno = TAOS_SYSTEM_ERROR(errno);
+    terrno = TSDB_CODE_WAL_INVALID_VER;
+    wError("cannot open file %s, since %s", fnameStr, terrstr());
     return -1;
   }
 
@@ -99,6 +109,7 @@ static int32_t walReadChangeFile(SWalReadHandle *pRead, int64_t fileFirstVer) {
   TdFilePtr pIdxTFile = taosOpenFile(fnameStr, TD_FILE_READ);
   if (pIdxTFile == NULL) {
     terrno = TAOS_SYSTEM_ERROR(errno);
+    wError("cannot open file %s, since %s", fnameStr, terrstr());
     return -1;
   }
 
@@ -113,6 +124,7 @@ static int32_t walReadSeekVer(SWalReadHandle *pRead, int64_t ver) {
     return 0;
   }
   if (ver > pWal->vers.lastVer || ver < pWal->vers.firstVer) {
+    wError("invalid version: % " PRId64 ", first ver %ld, last ver %ld", ver, pWal->vers.firstVer, pWal->vers.lastVer);
     terrno = TSDB_CODE_WAL_INVALID_VER;
     return -1;
   }
@@ -125,11 +137,13 @@ static int32_t walReadSeekVer(SWalReadHandle *pRead, int64_t ver) {
   SWalFileInfo *pRet = taosArraySearch(pWal->fileInfoSet, &tmpInfo, compareWalFileInfo, TD_LE);
   ASSERT(pRet != NULL);
   if (pRead->curFileFirstVer != pRet->firstVer) {
+    // error code set inner
     if (walReadChangeFile(pRead, pRet->firstVer) < 0) {
       return -1;
     }
   }
 
+  // error code set inner
   if (walReadSeekFilePos(pRead, pRet->firstVer, ver) < 0) {
     return -1;
   }
@@ -154,9 +168,7 @@ int32_t walFetchHead(SWalReadHandle *pRead, int64_t ver, SWalHead *pHead) {
     if (code < 0) return -1;
   }
 
-  if (!taosValidFile(pRead->pReadLogTFile)) {
-    return -1;
-  }
+  ASSERT(taosValidFile(pRead->pReadLogTFile) == true);
 
   code = taosReadFile(pRead->pReadLogTFile, pHead, sizeof(SWalHead));
   if (code != sizeof(SWalHead)) {
@@ -249,16 +261,19 @@ int32_t walReadWithHandle(SWalReadHandle *pRead, int64_t ver) {
   // TODO: check wal life
   if (pRead->curVersion != ver) {
     if (walReadSeekVer(pRead, ver) < 0) {
+      wError("unexpected wal log version: % " PRId64 ", since %s", ver, terrstr());
       return -1;
     }
   }
 
-  if (!taosValidFile(pRead->pReadLogTFile)) {
-    return -1;
-  }
+  ASSERT(taosValidFile(pRead->pReadLogTFile) == true);
 
   code = taosReadFile(pRead->pReadLogTFile, pRead->pHead, sizeof(SWalHead));
   if (code != sizeof(SWalHead)) {
+    if (code < 0)
+      terrno = TAOS_SYSTEM_ERROR(errno);
+    else
+      terrno = TSDB_CODE_WAL_FILE_CORRUPTED;
     return -1;
   }
 
diff --git a/source/libs/wal/src/walWrite.c b/source/libs/wal/src/walWrite.c
index da1c36dcc42ed3d1d3d454856cf4e5d3c1b2e8bc..2e439975849fd38adc7e77ed061af4219bc1fd73 100644
--- a/source/libs/wal/src/walWrite.c
+++ b/source/libs/wal/src/walWrite.c
@@ -225,6 +225,7 @@ int walRoll(SWal *pWal) {
     terrno = TAOS_SYSTEM_ERROR(errno);
     return -1;
   }
+  // terrno set inner
   code = walRollFileInfo(pWal);
   if (code != 0) {
     return -1;
diff --git a/source/util/src/terror.c b/source/util/src/terror.c
index e32ecfc69522f418633fbe537bd5b70abe275400..9676e4e1f99be5c9f76f7a757053aa4995d7f713 100644
--- a/source/util/src/terror.c
+++ b/source/util/src/terror.c
@@ -454,6 +454,14 @@ TAOS_DEFINE_ERROR(TSDB_CODE_PAR_PERMISSION_DENIED,        "Permission denied")
 //planner
 TAOS_DEFINE_ERROR(TSDB_CODE_PLAN_INTERNAL_ERROR,          "planner internal error")
 
+//udf
+TAOS_DEFINE_ERROR(TSDB_CODE_UDF_STOPPING,                 "udf is stopping")
+TAOS_DEFINE_ERROR(TSDB_CODE_UDF_PIPE_READ_ERR,            "udf pipe read error")
+TAOS_DEFINE_ERROR(TSDB_CODE_UDF_PIPE_CONNECT_ERR,         "udf pipe connect error")
+TAOS_DEFINE_ERROR(TSDB_CODE_UDF_PIPE_NO_PIPE,             "udf no pipe")
+TAOS_DEFINE_ERROR(TSDB_CODE_UDF_LOAD_UDF_FAILURE,         "udf load failure")
+TAOS_DEFINE_ERROR(TSDB_CODE_UDF_INVALID_STATE,            "udf invalid state")
+
 //schemaless
 TAOS_DEFINE_ERROR(TSDB_CODE_SML_INVALID_PROTOCOL_TYPE,    "Invalid line protocol type")
 TAOS_DEFINE_ERROR(TSDB_CODE_SML_INVALID_PRECISION_TYPE,   "Invalid timestamp precision type")
diff --git a/tests/pytest/util/sql.py b/tests/pytest/util/sql.py
index 19a5d3ecc1e314cbbb52f7c5249afd62c3303928..adbab04e07e31617b3f0aaf7abaa2f2a3c59b3dc 100644
--- a/tests/pytest/util/sql.py
+++ b/tests/pytest/util/sql.py
@@ -150,6 +150,9 @@ class TDSql:
             raise Exception(repr(e))
         return (self.queryRows, timeout)
 
+    def getRows(self):
+        return self.queryRows
+
     def checkRows(self, expectRows):
         if self.queryRows == expectRows:
             tdLog.info("sql:%s, queryRows:%d == expect:%d" % (self.sql, self.queryRows, expectRows))
diff --git a/tests/script/tsim/stable/alter1.sim b/tests/script/tsim/stable/alter1.sim
index 5cee10756c97d8c4f9aa44d0b06c1608dc5f420a..1205f50f6ea144de6f5fae06ef7569a60b47e0cb 100644
--- a/tests/script/tsim/stable/alter1.sim
+++ b/tests/script/tsim/stable/alter1.sim
@@ -159,6 +159,7 @@ sql alter table db.stb rename tag t1 tx
 
 print ========== alter common
 sql alter table db.stb comment 'abcde' ;
+sql alter table db.stb ttl 10 ;
 
 sql show db.stables;
 if $data[0][6] != abcde then
diff --git a/tests/system-test/1-insert/insertWithMoreVgroup.py b/tests/system-test/1-insert/insertWithMoreVgroup.py
index d8050c53c54d59a7105d41be2f320df14f9e7456..d3da4f2c596c45efce438839f544a35e4980f898 100644
--- a/tests/system-test/1-insert/insertWithMoreVgroup.py
+++ b/tests/system-test/1-insert/insertWithMoreVgroup.py
@@ -346,8 +346,10 @@ class TDTestCase:
         return
 
     def test_case3(self):
+        self.taosBenchCreate("127.0.0.1","no","db1", "stb1", 1, 8, 1*10000)
+        # self.taosBenchCreate("test209","no","db2", "stb2", 1, 8, 1*10000)
+
         # self.taosBenchCreate("chenhaoran02","no","db1", "stb1", 1, 8, 1*10000)
-        self.taosBenchCreate("chenhaoran02","no","db1", "stb1", 1, 8, 1*1000)
 
         # self.taosBenchCreate("db1", "stb1", 4, 5, 100*10000)
         # self.taosBenchCreate("db1", "stb1", 1, 5, 100*10000)
diff --git a/tests/system-test/1-insert/manyVgroups.json b/tests/system-test/1-insert/manyVgroups.json
index 5487dff70821f2b1a7d99be37ab3c77c83d9be6f..e6719aedc988c2f67c70210423bb5c9d6c573434 100644
--- a/tests/system-test/1-insert/manyVgroups.json
+++ b/tests/system-test/1-insert/manyVgroups.json
@@ -29,8 +29,8 @@
                     "batch_create_tbl_num": 50000,
                     "data_source": "rand",
                     "insert_mode": "taosc",
-                    "insert_rows": 0,
-                    "interlace_rows": 0,
+                    "insert_rows": 10,
+                    "interlace_rows": 100000,
                     "insert_interval": 0,
                     "max_sql_len": 10000000,
                     "disorder_ratio": 0,