diff --git a/example/src/tmq.c b/example/src/tmq.c
index e867f17e7833f01feb2cde43d82a78bbba3162f0..b4013f26eeb83621a7f815e0dd1e71e2144b5fbe 100644
--- a/example/src/tmq.c
+++ b/example/src/tmq.c
@@ -61,7 +61,7 @@ int32_t init_env() {
   taos_free_result(pRes);
 
   pRes =
-      taos_query(pConn, "create stable if not exists st1 (ts timestamp, c1 int, c2 float, c3 binary(10)) tags(t1 int)");
+      taos_query(pConn, "create stable if not exists st1 (ts timestamp, c1 int, c2 float, c3 binary(16)) tags(t1 int)");
   if (taos_errno(pRes) != 0) {
     printf("failed to create super table st1, reason:%s\n", taos_errstr(pRes));
     return -1;
@@ -106,8 +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 st1");
+  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;
diff --git a/source/client/src/tmq.c b/source/client/src/tmq.c
index a6b8b842f94ee51825fe323778ebd6e6ae149c64..639f00ab86e7f87fd77e3755fb875f039501242e 100644
--- a/source/client/src/tmq.c
+++ b/source/client/src/tmq.c
@@ -185,6 +185,7 @@ typedef struct {
   int32_t        async;
   tsem_t         rspSem;
   tmq_resp_err_t rspErr;
+  SArray*        offsets;
 } SMqCommitCbParam;
 
 tmq_conf_t* tmq_conf_new() {
@@ -246,10 +247,13 @@ 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;
+      return TMQ_CONF_OK;
     } else if (strcmp(value, "false") == 0) {
       conf->withTbName = 0;
+      return TMQ_CONF_OK;
     } else if (strcmp(value, "none") == 0) {
       conf->withTbName = -1;
+      return TMQ_CONF_OK;
     } else {
       return TMQ_CONF_INVALID;
     }
@@ -395,6 +399,9 @@ int32_t tmqCommitCb(void* param, const SDataBuf* pMsg, int32_t code) {
   if (!pParam->async)
     tsem_post(&pParam->rspSem);
   else {
+    if (pParam->offsets) {
+      taosArrayDestroy(pParam->offsets);
+    }
     tsem_destroy(&pParam->rspSem);
     /*if (pParam->pArray) {*/
     /*taosArrayDestroy(pParam->pArray);*/
@@ -540,10 +547,10 @@ tmq_resp_err_t tmq_commit(tmq_t* tmq, const tmq_topic_vgroup_list_t* offsets, in
   // build msg
   // send to mnode
   SMqCMCommitOffsetReq req;
-  SArray*              pArray = NULL;
+  SArray*              pOffsets = NULL;
 
   if (offsets == NULL) {
-    pArray = taosArrayInit(0, sizeof(SMqOffset));
+    pOffsets = taosArrayInit(0, sizeof(SMqOffset));
     for (int i = 0; i < taosArrayGetSize(tmq->clientTopics); i++) {
       SMqClientTopic* pTopic = taosArrayGet(tmq->clientTopics, i);
       for (int j = 0; j < taosArrayGetSize(pTopic->vgs); j++) {
@@ -553,11 +560,11 @@ tmq_resp_err_t tmq_commit(tmq_t* tmq, const tmq_topic_vgroup_list_t* offsets, in
         strcpy(offset.cgroup, tmq->groupId);
         offset.vgId = pVg->vgId;
         offset.offset = pVg->currentOffset;
-        taosArrayPush(pArray, &offset);
+        taosArrayPush(pOffsets, &offset);
       }
     }
-    req.num = pArray->size;
-    req.offsets = pArray->pData;
+    req.num = pOffsets->size;
+    req.offsets = pOffsets->pData;
   } else {
     req.num = taosArrayGetSize(&offsets->container);
     req.offsets = (SMqOffset*)offsets->container.pData;
@@ -591,6 +598,7 @@ tmq_resp_err_t tmq_commit(tmq_t* tmq, const tmq_topic_vgroup_list_t* offsets, in
   pParam->tmq = tmq;
   tsem_init(&pParam->rspSem, 0, 0);
   pParam->async = async;
+  pParam->offsets = pOffsets;
 
   pRequest->body.requestMsg = (SDataBuf){
       .pData = buf,
@@ -613,8 +621,8 @@ tmq_resp_err_t tmq_commit(tmq_t* tmq, const tmq_topic_vgroup_list_t* offsets, in
     tsem_destroy(&pParam->rspSem);
     taosMemoryFree(pParam);
 
-    if (pArray) {
-      taosArrayDestroy(pArray);
+    if (pOffsets) {
+      taosArrayDestroy(pOffsets);
     }
   }
 
@@ -1015,7 +1023,7 @@ int32_t tmqAskEp(tmq_t* tmq, bool async) {
   atomic_store_32(&tmq->epSkipCnt, 0);
 #endif
   int32_t      tlen = sizeof(SMqAskEpReq);
-  SMqAskEpReq* req = taosMemoryMalloc(tlen);
+  SMqAskEpReq* req = taosMemoryCalloc(1, tlen);
   if (req == NULL) {
     tscError("failed to malloc get subscribe ep buf");
     /*atomic_store_8(&tmq->epStatus, 0);*/
@@ -1025,7 +1033,7 @@ int32_t tmqAskEp(tmq_t* tmq, bool async) {
   req->epoch = htonl(tmq->epoch);
   strcpy(req->cgroup, tmq->groupId);
 
-  SMqAskEpCbParam* pParam = taosMemoryMalloc(sizeof(SMqAskEpCbParam));
+  SMqAskEpCbParam* pParam = taosMemoryCalloc(1, sizeof(SMqAskEpCbParam));
   if (pParam == NULL) {
     tscError("failed to malloc subscribe param");
     taosMemoryFree(req);
@@ -1107,7 +1115,7 @@ SMqPollReq* tmqBuildConsumeReqImpl(tmq_t* tmq, int64_t waitTime, SMqClientTopic*
     reqOffset = tmq->resetOffsetCfg;
   }
 
-  SMqPollReq* pReq = taosMemoryMalloc(sizeof(SMqPollReq));
+  SMqPollReq* pReq = taosMemoryCalloc(1, sizeof(SMqPollReq));
   if (pReq == NULL) {
     return NULL;
   }
diff --git a/source/dnode/vnode/src/inc/tq.h b/source/dnode/vnode/src/inc/tq.h
index 5eb89e8bb7c81f107d1c8db1eb3e31410fd5eb8e..38dedee5a29b044c89c11b66b00bbbf2160e0903 100644
--- a/source/dnode/vnode/src/inc/tq.h
+++ b/source/dnode/vnode/src/inc/tq.h
@@ -93,6 +93,7 @@ struct STqReadHandle {
   SMeta*            pVnodeMeta;
   SArray*           pColIdList;  // SArray<int16_t>
   int32_t           sver;
+  int64_t           cachedSchemaUid;
   SSchemaWrapper*   pSchemaWrapper;
   STSchema*         pSchema;
 };
diff --git a/source/dnode/vnode/src/tq/tq.c b/source/dnode/vnode/src/tq/tq.c
index 28cdb39bd5257dd08e1167463bfd7683d00df361..952645190760826528e4e31d96c88cd8638eb7cf 100644
--- a/source/dnode/vnode/src/tq/tq.c
+++ b/source/dnode/vnode/src/tq/tq.c
@@ -559,6 +559,7 @@ int32_t tqProcessPollReq(STQ* pTq, SRpcMsg* pMsg, int32_t workerId) {
         }
         // db subscribe
       } else if (pExec->subType == TOPIC_SUB_TYPE__DB) {
+        rsp.withSchema = 1;
         STqReadHandle* pReader = pExec->pExecReader[workerId];
         tqReadHandleSetMsg(pReader, pCont, 0);
         while (tqNextDataBlock(pReader)) {
diff --git a/source/dnode/vnode/src/tq/tqRead.c b/source/dnode/vnode/src/tq/tqRead.c
index f531d3f5fb52dcb29ad1703f68134371386c8aeb..996d789e248778906c1b1bc046c7d1c6a58cabfe 100644
--- a/source/dnode/vnode/src/tq/tqRead.c
+++ b/source/dnode/vnode/src/tq/tqRead.c
@@ -25,6 +25,7 @@ STqReadHandle* tqInitSubmitMsgScanner(SMeta* pMeta) {
   pReadHandle->ver = -1;
   pReadHandle->pColIdList = NULL;
   pReadHandle->sver = -1;
+  pReadHandle->cachedSchemaUid = -1;
   pReadHandle->pSchema = NULL;
   pReadHandle->pSchemaWrapper = NULL;
   pReadHandle->tbIdHash = NULL;
@@ -84,19 +85,20 @@ bool tqNextDataBlock(STqReadHandle* pHandle) {
   return false;
 }
 
-int32_t tqRetrieveDataBlock(SArray** ppCols, STqReadHandle* pHandle, uint64_t* pGroupId, uint64_t* pUid, int32_t* pNumOfRows,
-                            int16_t* pNumOfCols) {
+int32_t tqRetrieveDataBlock(SArray** ppCols, STqReadHandle* pHandle, uint64_t* pGroupId, uint64_t* pUid,
+                            int32_t* pNumOfRows, int16_t* pNumOfCols) {
   /*int32_t         sversion = pHandle->pBlock->sversion;*/
   // TODO set to real sversion
   *pUid = 0;
 
   int32_t sversion = 0;
-  if (pHandle->sver != sversion) {
+  if (pHandle->sver != sversion || pHandle->cachedSchemaUid != pHandle->msgIter.suid) {
     pHandle->pSchema = metaGetTbTSchema(pHandle->pVnodeMeta, pHandle->msgIter.uid, sversion);
 
     // this interface use suid instead of uid
     pHandle->pSchemaWrapper = metaGetTableSchema(pHandle->pVnodeMeta, pHandle->msgIter.suid, sversion, true);
     pHandle->sver = sversion;
+    pHandle->cachedSchemaUid = pHandle->msgIter.suid;
   }
 
   STSchema*       pTschema = pHandle->pSchema;