diff --git a/cmake/bdb_CMakeLists.txt.in b/cmake/bdb_CMakeLists.txt.in.bak
similarity index 100%
rename from cmake/bdb_CMakeLists.txt.in
rename to cmake/bdb_CMakeLists.txt.in.bak
diff --git a/cmake/cmake.options b/cmake/cmake.options
index 946eb5d258..b51f096185 100644
--- a/cmake/cmake.options
+++ b/cmake/cmake.options
@@ -55,17 +55,6 @@ option(
     OFF
 )
 
-IF(${TD_WINDOWS})
-    MESSAGE("Not build BDB on Windows")
-ELSE ()
-    option(
-            BUILD_WITH_BDB
-            "If build with BerkleyDB"
-            ON
-          )
-
-ENDIF ()
-
 option(
     BUILD_WITH_LUCENE 
     "If build with lucene" 
diff --git a/contrib/CMakeLists.txt b/contrib/CMakeLists.txt
index 575a0e6274..377e3fbccc 100644
--- a/contrib/CMakeLists.txt
+++ b/contrib/CMakeLists.txt
@@ -63,9 +63,9 @@ if(${BUILD_WITH_UV})
 endif(${BUILD_WITH_UV})
 
 # bdb
-if(${BUILD_WITH_BDB})
-    cat("${CMAKE_SUPPORT_DIR}/bdb_CMakeLists.txt.in" ${CONTRIB_TMP_FILE})
-endif(${BUILD_WITH_BDB})
+#if(${BUILD_WITH_BDB})
+    #cat("${CMAKE_SUPPORT_DIR}/bdb_CMakeLists.txt.in" ${CONTRIB_TMP_FILE})
+#endif(${BUILD_WITH_BDB})
 
 # sqlite
 if(${BUILD_WITH_SQLITE})
diff --git a/contrib/test/CMakeLists.txt b/contrib/test/CMakeLists.txt
index eacaeb9524..740488b39b 100644
--- a/contrib/test/CMakeLists.txt
+++ b/contrib/test/CMakeLists.txt
@@ -7,9 +7,9 @@ if(${BUILD_WITH_LUCENE})
     add_subdirectory(lucene)
 endif(${BUILD_WITH_LUCENE})
 
-if(${BUILD_WITH_BDB})
-    add_subdirectory(bdb)
-endif(${BUILD_WITH_BDB})
+#if(${BUILD_WITH_BDB})
+    #add_subdirectory(bdb)
+#endif(${BUILD_WITH_BDB})
 
 if(${BUILD_WITH_SQLITE})
     add_subdirectory(sqlite)
diff --git a/include/common/tmsg.h b/include/common/tmsg.h
index 4efb68d490..bef323cdba 100644
--- a/include/common/tmsg.h
+++ b/include/common/tmsg.h
@@ -2310,6 +2310,7 @@ typedef struct {
   char    cgroup[TSDB_CGROUP_LEN];
 
   int64_t currentOffset;
+  uint64_t reqId;
   char    topic[TSDB_TOPIC_FNAME_LEN];
 } SMqPollReq;
 
diff --git a/source/client/src/tmq.c b/source/client/src/tmq.c
index a6e5fee2d1..5893a14bd5 100644
--- a/source/client/src/tmq.c
+++ b/source/client/src/tmq.c
@@ -1149,6 +1149,7 @@ SMqPollReq* tmqBuildConsumeReqImpl(tmq_t* tmq, int64_t blockingTime, SMqClientTo
   pReq->consumerId = tmq->consumerId;
   pReq->epoch = tmq->epoch;
   pReq->currentOffset = reqOffset;
+  pReq->reqId = generateRequestId();
 
   pReq->head.vgId = htonl(pVg->vgId);
   pReq->head.contLen = htonl(sizeof(SMqPollReq));
@@ -1279,7 +1280,7 @@ int32_t tmqPollImpl(tmq_t* tmq, int64_t blockingTime) {
           .len = sizeof(SMqPollReq),
           .handle = NULL,
       };
-      sendInfo->requestId = generateRequestId();
+      sendInfo->requestId = pReq->reqId;
       sendInfo->requestObjRefId = 0;
       sendInfo->param = pParam;
       sendInfo->fp = tmqPollCb;
@@ -1288,7 +1289,7 @@ int32_t tmqPollImpl(tmq_t* tmq, int64_t blockingTime) {
       int64_t transporterId = 0;
       /*printf("send poll\n");*/
       atomic_add_fetch_32(&tmq->waitingRequest, 1);
-      tscDebug("consumer %ld send poll: vg %d, epoch %d, req offset %ld", tmq->consumerId, pVg->vgId, tmq->epoch, pVg->currentOffset);
+      tscDebug("consumer %ld send poll to %s : vg %d, epoch %d, req offset %ld, reqId %lu", tmq->consumerId, pTopic->topicName, pVg->vgId, tmq->epoch, pVg->currentOffset, pReq->reqId);
       /*printf("send vg %d %ld\n", pVg->vgId, pVg->currentOffset);*/
       asyncSendMsgToServer(tmq->pTscObj->pAppInfo->pTransporter, &pVg->epSet, &transporterId, sendInfo);
       pVg->pollCnt++;
diff --git a/source/dnode/mnode/impl/src/mndSubscribe.c b/source/dnode/mnode/impl/src/mndSubscribe.c
index 8078338238..dbd5e43b6d 100644
--- a/source/dnode/mnode/impl/src/mndSubscribe.c
+++ b/source/dnode/mnode/impl/src/mndSubscribe.c
@@ -60,7 +60,7 @@ static int32_t mndProcessResetOffsetReq(SNodeMsg *pMsg);
 static int32_t mndPersistMqSetConnReq(SMnode *pMnode, STrans *pTrans, const SMqTopicObj *pTopic, const char *cgroup,
                                       const SMqConsumerEp *pConsumerEp);
 
-static int32_t mndPersistRebalanceMsg(SMnode *pMnode, STrans *pTrans, const SMqConsumerEp *pConsumerEp);
+static int32_t mndPersistRebalanceMsg(SMnode *pMnode, STrans *pTrans, const SMqConsumerEp *pConsumerEp, const char* topicName);
 static int32_t mndPersistCancelConnReq(SMnode *pMnode, STrans *pTrans, const SMqConsumerEp *pConsumerEp, const char* oldTopicName);
 
 int32_t mndInitSubscribe(SMnode *pMnode) {
@@ -102,12 +102,13 @@ static SMqSubscribeObj *mndCreateSubscription(SMnode *pMnode, const SMqTopicObj
   return pSub;
 }
 
-static int32_t mndBuildRebalanceMsg(void **pBuf, int32_t *pLen, const SMqConsumerEp *pConsumerEp) {
+static int32_t mndBuildRebalanceMsg(void **pBuf, int32_t *pLen, const SMqConsumerEp *pConsumerEp, const char* topicName) {
   SMqMVRebReq req = {
       .vgId = pConsumerEp->vgId,
       .oldConsumerId = pConsumerEp->oldConsumerId,
       .newConsumerId = pConsumerEp->consumerId,
   };
+  req.topic = strdup(topicName);
 
   int32_t tlen = tEncodeSMqMVRebReq(NULL, &req);
   void   *buf = taosMemoryMalloc(sizeof(SMsgHead) + tlen);
@@ -122,6 +123,7 @@ static int32_t mndBuildRebalanceMsg(void **pBuf, int32_t *pLen, const SMqConsume
 
   void *abuf = POINTER_SHIFT(buf, sizeof(SMsgHead));
   tEncodeSMqMVRebReq(&abuf, &req);
+  taosMemoryFree(req.topic);
 
   *pBuf = buf;
   *pLen = tlen;
@@ -129,12 +131,12 @@ static int32_t mndBuildRebalanceMsg(void **pBuf, int32_t *pLen, const SMqConsume
   return 0;
 }
 
-static int32_t mndPersistRebalanceMsg(SMnode *pMnode, STrans *pTrans, const SMqConsumerEp *pConsumerEp) {
+static int32_t mndPersistRebalanceMsg(SMnode *pMnode, STrans *pTrans, const SMqConsumerEp *pConsumerEp, const char* topicName) {
   ASSERT(pConsumerEp->oldConsumerId != -1);
 
   void   *buf;
   int32_t tlen;
-  if (mndBuildRebalanceMsg(&buf, &tlen, pConsumerEp) < 0) {
+  if (mndBuildRebalanceMsg(&buf, &tlen, pConsumerEp, topicName) < 0) {
     return -1;
   }
 
@@ -502,10 +504,10 @@ static int32_t mndProcessDoRebalanceMsg(SNodeMsg *pMsg) {
             pConsumerEp->epoch = 0;
             taosArrayPush(pSubConsumer->vgInfo, pConsumerEp);
 
+            char topic[TSDB_TOPIC_FNAME_LEN];
+            char cgroup[TSDB_CGROUP_LEN];
+            mndSplitSubscribeKey(pSub->key, topic, cgroup);
             if (pConsumerEp->oldConsumerId == -1) {
-              char topic[TSDB_TOPIC_FNAME_LEN];
-              char cgroup[TSDB_CGROUP_LEN];
-              mndSplitSubscribeKey(pSub->key, topic, cgroup);
               SMqTopicObj *pTopic = mndAcquireTopic(pMnode, topic);
 
               mInfo("mq set conn: assign vgroup %d of topic %s to consumer %" PRId64 " cgroup: %s", pConsumerEp->vgId,
@@ -517,7 +519,7 @@ static int32_t mndProcessDoRebalanceMsg(SNodeMsg *pMsg) {
               mInfo("mq rebalance: assign vgroup %d, from consumer %" PRId64 " to consumer %" PRId64 "",
                     pConsumerEp->vgId, pConsumerEp->oldConsumerId, pConsumerEp->consumerId);
 
-              mndPersistRebalanceMsg(pMnode, pTrans, pConsumerEp);
+              mndPersistRebalanceMsg(pMnode, pTrans, pConsumerEp, topic);
             }
           }
         }
@@ -849,7 +851,7 @@ static int32_t mndProcessSubscribeReq(SNodeMsg *pMsg) {
                 pConsumerEp->consumerId);
           mndPersistMqSetConnReq(pMnode, pTrans, pTopic, cgroup, pConsumerEp);
         } else {
-          mndPersistRebalanceMsg(pMnode, pTrans, pConsumerEp);
+          mndPersistRebalanceMsg(pMnode, pTrans, pConsumerEp, newTopicName);
         }
         // to trigger rebalance at once, do not set status active
         /*atomic_store_32(&pConsumer->status, MQ_CONSUMER_STATUS__ACTIVE);*/
diff --git a/source/dnode/vnode/CMakeLists.txt b/source/dnode/vnode/CMakeLists.txt
index 28e19dc017..b5fe7d460f 100644
--- a/source/dnode/vnode/CMakeLists.txt
+++ b/source/dnode/vnode/CMakeLists.txt
@@ -68,7 +68,7 @@ target_link_libraries(
     PUBLIC executor
     PUBLIC scheduler
     PUBLIC tdb
-    PUBLIC bdb
+    #PUBLIC bdb
     PUBLIC transport
     PUBLIC stream
 )
diff --git a/source/dnode/vnode/src/tq/tq.c b/source/dnode/vnode/src/tq/tq.c
index 28d71fb842..f168695383 100644
--- a/source/dnode/vnode/src/tq/tq.c
+++ b/source/dnode/vnode/src/tq/tq.c
@@ -316,7 +316,7 @@ int32_t tqProcessPollReq(STQ* pTq, SRpcMsg* pMsg, int32_t workerId) {
     return 0;
   }
 
-  vDebug("poll topic %s from consumer %ld (epoch %d)", pTopic->topicName, consumerId, pReq->epoch);
+  vDebug("poll topic %s from consumer %ld (epoch %d) %s", pTopic->topicName, consumerId, pReq->epoch, pTopic->topicName);
 
   rsp.reqOffset = pReq->currentOffset;
   rsp.skipLogNum = 0;
@@ -334,12 +334,10 @@ int32_t tqProcessPollReq(STQ* pTq, SRpcMsg* pMsg, int32_t workerId) {
       // TODO: no more log, set timer to wait blocking time
       // if data inserted during waiting, launch query and
       // response to user
-      vDebug("tmq poll: consumer %ld (epoch %d) vg %d offset %ld, no more log to return", consumerId, pReq->epoch,
-             pTq->pVnode->vgId, fetchOffset);
+      vDebug("tmq poll: consumer %ld (epoch %d) vg %d offset %ld, no more log to return", consumerId, pReq->epoch, pTq->pVnode->vgId, fetchOffset);
       break;
     }
-    vDebug("tmq poll: consumer %ld (epoch %d) iter log, vg %d offset %ld msgType %d", consumerId, pReq->epoch,
-           pTq->pVnode->vgId, fetchOffset, pHead->msgType);
+    vDebug("tmq poll: consumer %ld (epoch %d) iter log, vg %d offset %ld msgType %d", consumerId, pReq->epoch, pTq->pVnode->vgId, fetchOffset, pHead->msgType);
     /*int8_t pos = fetchOffset % TQ_BUFFER_SIZE;*/
     /*pHead = pTopic->pReadhandle->pHead;*/
     if (pHead->msgType == TDMT_VND_SUBMIT) {
@@ -363,8 +361,7 @@ int32_t tqProcessPollReq(STQ* pTq, SRpcMsg* pMsg, int32_t workerId) {
       }
 
       if (taosArrayGetSize(pRes) == 0) {
-        vDebug("tmq poll: consumer %ld (epoch %d) iter log, vg %d skip log %ld since not wanted", consumerId,
-               pReq->epoch, pTq->pVnode->vgId, fetchOffset);
+        vDebug("tmq poll: consumer %ld (epoch %d) iter log, vg %d skip log %ld since not wanted", consumerId, pReq->epoch, pTq->pVnode->vgId, fetchOffset);
         fetchOffset++;
         rsp.skipLogNum++;
         taosArrayDestroy(pRes);
@@ -393,8 +390,7 @@ int32_t tqProcessPollReq(STQ* pTq, SRpcMsg* pMsg, int32_t workerId) {
       pMsg->pCont = buf;
       pMsg->contLen = tlen;
       pMsg->code = 0;
-      vDebug("vg %d offset %ld msgType %d from consumer %ld (epoch %d) actual rsp", pTq->pVnode->vgId, fetchOffset,
-             pHead->msgType, consumerId, pReq->epoch);
+      vDebug("vg %d offset %ld msgType %d from consumer %ld (epoch %d) actual rsp", pTq->pVnode->vgId, fetchOffset, pHead->msgType, consumerId, pReq->epoch);
       tmsgSendRsp(pMsg);
       taosMemoryFree(pHead);
       return 0;
@@ -425,8 +421,7 @@ int32_t tqProcessPollReq(STQ* pTq, SRpcMsg* pMsg, int32_t workerId) {
   pMsg->contLen = tlen;
   pMsg->code = 0;
   tmsgSendRsp(pMsg);
-  vDebug("vg %d offset %ld from consumer %ld (epoch %d) not rsp", pTq->pVnode->vgId, fetchOffset, consumerId,
-         pReq->epoch);
+  vDebug("vg %d offset %ld from consumer %ld (epoch %d) not rsp", pTq->pVnode->vgId, fetchOffset, consumerId, pReq->epoch);
   /*}*/
 
   return 0;
@@ -437,7 +432,7 @@ int32_t tqProcessRebReq(STQ* pTq, char* msg) {
   terrno = TSDB_CODE_SUCCESS;
   tDecodeSMqMVRebReq(msg, &req);
 
-  vDebug("vg %d set from consumer %ld to consumer %ld", req.vgId, req.oldConsumerId, req.newConsumerId);
+  vDebug("vg %d set from consumer %ld to consumer %ld", req.vgId, req.oldConsumerId ,req.newConsumerId);
   STqConsumer* pConsumer = tqHandleGet(pTq->tqMeta, req.oldConsumerId);
   ASSERT(pConsumer);
   ASSERT(pConsumer->consumerId == req.oldConsumerId);
diff --git a/source/dnode/vnode/src/tq/tqRead.c b/source/dnode/vnode/src/tq/tqRead.c
index a18374015b..fee8bdf27e 100644
--- a/source/dnode/vnode/src/tq/tqRead.c
+++ b/source/dnode/vnode/src/tq/tqRead.c
@@ -167,8 +167,8 @@ SArray* tqRetrieveDataBlock(STqReadHandle* pHandle) {
       if (!tdSTSRowIterNext(&iter, pColData->info.colId, pColData->info.type, &sVal)) {
         break;
       }
-      if (colDataAppend(pColData, curRow, sVal.val, false) < 0) {
-        /*if (colDataAppend(pColData, curRow, sVal.val, sVal.valType == TD_VTYPE_NULL) < 0) {*/
+      /*if (colDataAppend(pColData, curRow, sVal.val, false) < 0) {*/
+      if (colDataAppend(pColData, curRow, sVal.val, sVal.valType == TD_VTYPE_NULL) < 0) {
         taosArrayDestroyEx(pArray, (void (*)(void*))tDeleteSSDataBlock);
         return NULL;
       }
diff --git a/source/libs/transport/src/transCli.c b/source/libs/transport/src/transCli.c
index d633284e13..dc7d33a5a9 100644
--- a/source/libs/transport/src/transCli.c
+++ b/source/libs/transport/src/transCli.c
@@ -944,8 +944,8 @@ void transSendRequest(void* shandle, const char* ip, uint32_t port, STransMsg* p
 
   SCliThrdObj* thrd = ((SCliObj*)pTransInst->tcphandle)->pThreadObj[index];
 
-  tDebug("send request at thread:%d %p, dst: %s:%d", index, pMsg, ip, port);
-  transSendAsync(thrd->asyncPool, &(cliMsg->q));
+  tDebug("send request at thread:%d %p, dst: %s:%d, app:%p", index, pMsg, ip, port, pMsg->ahandle);
+  ASSERT(transSendAsync(thrd->asyncPool, &(cliMsg->q)) == 0);
 }
 
 void transSendRecv(void* shandle, const char* ip, uint32_t port, STransMsg* pReq, STransMsg* pRsp) {
diff --git a/tests/test/c/tmqSim.c b/tests/test/c/tmqSim.c
index 22d8c2b735..7372745cb8 100644
--- a/tests/test/c/tmqSim.c
+++ b/tests/test/c/tmqSim.c
@@ -274,17 +274,11 @@ int main(int32_t argc, char *argv[]) {
   
   loop_consume(tmq);
 
-  err = tmq_unsubscribe(tmq);
-  ASSERT(err == TMQ_RESP_ERR__SUCCESS);
-
-
-  #if 0
   err = tmq_unsubscribe(tmq);
   if (err) {
     printf("tmq_unsubscribe() fail, reason: %s\n", tmq_err2str(err));
     exit(-1);
   }
-  #endif
 
   return 0;
 }