diff --git a/include/common/tmsg.h b/include/common/tmsg.h
index 6d14cd010c99fe7dbe833d9b74dab7865146775a..6cc19fbdfbbd6457babe0eda48890e17b9d215a4 100644
--- a/include/common/tmsg.h
+++ b/include/common/tmsg.h
@@ -1596,35 +1596,38 @@ typedef struct SMqColData {
   int16_t colId;
   int16_t type;
   int16_t bytes;
-  char    data[];
-} SMqColData;
+} SMqColMeta;
 
 typedef struct SMqTbData {
   int64_t    uid;
-  int32_t    numOfCols;
   int32_t    numOfRows;
-  SMqColData colData[];
+  char       colData[];
 } SMqTbData;
 
 typedef struct SMqTopicBlk {
-  char      topicName[TSDB_TOPIC_FNAME_LEN];
-  int64_t   committedOffset;
-  int64_t   reqOffset;
-  int64_t   rspOffset;
-  int32_t   skipLogNum;
-  int32_t   bodyLen;
-  int32_t   numOfTb;
-  SMqTbData tbData[];
+  char       topicName[TSDB_TOPIC_FNAME_LEN];
+  int64_t    committedOffset;
+  int64_t    reqOffset;
+  int64_t    rspOffset;
+  int32_t    skipLogNum;
+  int32_t    bodyLen;
+  int32_t    numOfTb;
+  SMqTbData* tbData;
 } SMqTopicData;
 
 typedef struct SMqConsumeRsp {
-  int64_t      reqId;
-  int64_t      consumerId;
-  int32_t      bodyLen;
-  int32_t      numOfTopics;
-  SMqTopicData data[];
+  int64_t       consumerId;
+  int32_t       numOfCols;
+  SMqColMeta*   meta;
+  int32_t       numOfTopics;
+  SMqTopicData* data;
 } SMqConsumeRsp;
 
+static FORCE_INLINE int32_t tEncodeSMqConsumeRsp(void** buf, const SMqConsumeRsp* pRsp) {
+  int32_t tlen = 0;
+  return tlen;
+}
+
 // one req for one vg+topic
 typedef struct SMqConsumeReq {
   //0: commit only, current offset
diff --git a/source/client/src/clientImpl.c b/source/client/src/clientImpl.c
index da66e7e529e54131a204bbce1dc1b44e61cdb08a..d273ab9e5f59b9b0ed3350876d9f4337ba976780 100644
--- a/source/client/src/clientImpl.c
+++ b/source/client/src/clientImpl.c
@@ -328,6 +328,7 @@ struct tmq_t {
   char           clientId[256];
   int64_t        consumerId;
   int64_t        status;
+  tsem_t         rspSem;
   STscObj*       pTscObj;
   tmq_commit_cb* commit_cb;
   int32_t        nextTopicIdx;
@@ -344,6 +345,7 @@ tmq_t* taos_consumer_new(void* conn, tmq_conf_t* conf, char* errstr, int32_t err
   strcpy(pTmq->clientId, conf->clientId);
   strcpy(pTmq->groupId, conf->groupId);
   pTmq->commit_cb = conf->commit_cb;
+  tsem_init(&pTmq->rspSem, 0, 0);
   pTmq->consumerId = generateRequestId() & ((uint64_t)-1 >> 1);
   pTmq->clientTopics = taosArrayInit(0, sizeof(SMqClientTopic));
   return pTmq;
@@ -372,6 +374,14 @@ int32_t tmq_list_append(tmq_list_t* ptr, char* src) {
 }
 
 
+int32_t tmq_null_cb(void* param, const SDataBuf* pMsg, int32_t code)  {
+  if (code == 0) {
+    //
+  }
+  //
+  return 0;
+}
+
 TAOS_RES* tmq_subscribe(tmq_t* tmq, tmq_list_t* topic_list) {
   SRequestObj *pRequest = NULL;
   int32_t sz = topic_list->cnt;
@@ -433,6 +443,7 @@ TAOS_RES* tmq_subscribe(tmq_t* tmq, tmq_list_t* topic_list) {
   pRequest->body.requestMsg = (SDataBuf){ .pData = buf, .len = tlen };
 
   SMsgSendInfo* sendInfo = buildMsgInfoImpl(pRequest);
+  /*sendInfo->fp*/
   SEpSet epSet = getEpSet_s(&tmq->pTscObj->pAppInfo->mgmtEp);
 
   int64_t transporterId = 0;
@@ -641,6 +652,7 @@ int32_t tmq_ask_ep_cb(void* param, const SDataBuf* pMsg, int32_t code) {
   }
   if(set) tmq->status = 1;
   // unlock
+  tsem_post(&tmq->rspSem);
   return 0;
 }
 
@@ -679,7 +691,7 @@ tmq_message_t* tmq_consume_poll(tmq_t* tmq, int64_t blocking_time) {
     int64_t transporterId = 0;
     asyncSendMsgToServer(tmq->pTscObj->pAppInfo->pTransporter, &epSet, &transporterId, sendInfo);
 
-    tsem_wait(&pRequest->body.rspSem);
+    tsem_wait(&tmq->rspSem);
   }
 
   if (taosArrayGetSize(tmq->clientTopics) == 0) {
@@ -695,13 +707,13 @@ tmq_message_t* tmq_consume_poll(tmq_t* tmq, int64_t blocking_time) {
   SMqClientVg* pVg = taosArrayGet(pTopic->vgs, nextVgIdx);
   req.offset = pVg->currentOffset;
 
+  pRequest = createRequest(tmq->pTscObj, NULL, NULL, TDMT_VND_CONSUME);
   pRequest->body.requestMsg = (SDataBuf){ .pData = &req, .len = sizeof(SMqConsumeReq) };
-  pRequest->type = TDMT_VND_CONSUME;
 
   SMsgSendInfo* sendInfo = buildMsgInfoImpl(pRequest);
-  sendInfo->requestObjRefId = 0;
-  sendInfo->param = &tmq_message;
-  sendInfo->fp = tmq_poll_cb_inner;
+  /*sendInfo->requestObjRefId = 0;*/
+  /*sendInfo->param = &tmq_message;*/
+  /*sendInfo->fp = tmq_poll_cb_inner;*/
 
   int64_t transporterId = 0;
   asyncSendMsgToServer(tmq->pTscObj->pAppInfo->pTransporter, &pVg->epSet, &transporterId, sendInfo);
diff --git a/source/client/test/clientTests.cpp b/source/client/test/clientTests.cpp
index ea87542e8a11e4b9e4d8c13b5766e56c97155790..1136a813d3727ae6bfa3a8299f68b48493294022 100644
--- a/source/client/test/clientTests.cpp
+++ b/source/client/test/clientTests.cpp
@@ -591,7 +591,7 @@ TEST(testCase, tmq_subscribe_Test) {
   while (1) {
     tmq_message_t* msg = tmq_consume_poll(tmq, 0);
     printf("get msg\n");
-    if (msg == NULL) break;
+    //if (msg == NULL) break;
   }
 }
 
diff --git a/source/dnode/vnode/src/tq/tq.c b/source/dnode/vnode/src/tq/tq.c
index 314e8d7644a8427a87b256184990446448b2a98b..fb9d6a213cc821c9e95368773a2a1c6903a12013 100644
--- a/source/dnode/vnode/src/tq/tq.c
+++ b/source/dnode/vnode/src/tq/tq.c
@@ -735,23 +735,6 @@ int32_t tqProcessConsumeReq(STQ* pTq, SRpcMsg* pMsg, SRpcMsg** ppRsp) {
         break;
       }
       if (pDataBlock != NULL) {
-        SMqTbData tbData = {
-          .uid = pDataBlock->info.uid,
-          .numOfCols = pDataBlock->info.numOfCols,
-          .numOfRows = pDataBlock->info.rows,
-        };
-        for (int i = 0; i < pDataBlock->info.numOfCols; i++) {
-          SColumnInfoData* pColData = taosArrayGet(pDataBlock->pDataBlock, i);
-          int32_t sz = pColData->info.bytes * pDataBlock->info.rows;
-          SMqColData colData = {
-            .bytes = pColData->info.bytes,
-            .colId = pColData->info.colId,
-            .type = pColData->info.type,
-          };
-          memcpy(colData.data, pColData->pData, colData.bytes * pDataBlock->info.rows);
-          memcpy(&tbData.colData[i], &colData, sz);
-        }
-        /*pDataBlock->info.*/
         taosArrayPush(pRes, pDataBlock);
       } else {
         break;