diff --git a/example/src/tmq.c b/example/src/tmq.c
index 86b39e7d0f7e3529383b67b248cee426263ddc66..abd4f78610c4f4df76c70816baa3ce2e423bf66c 100644
--- a/example/src/tmq.c
+++ b/example/src/tmq.c
@@ -14,7 +14,9 @@
  */
 
 #include <assert.h>
+#include <signal.h>
 #include <stdio.h>
+#include <stdlib.h>
 #include <string.h>
 #include <time.h>
 #include "taos.h"
@@ -24,7 +26,7 @@ static void msg_process(TAOS_RES* msg) {
   char buf[1024];
   memset(buf, 0, 1024);
   printf("topic: %s\n", tmq_get_topic_name(msg));
-  printf("vg:%d\n", tmq_get_vgroup_id(msg));
+  printf("vg: %d\n", tmq_get_vgroup_id(msg));
   while (1) {
     TAOS_ROW row = taos_fetch_row(msg);
     if (row == NULL) break;
@@ -141,7 +143,7 @@ int32_t create_topic() {
 }
 
 void tmq_commit_cb_print(tmq_t* tmq, tmq_resp_err_t resp, tmq_topic_vgroup_list_t* offsets, void* param) {
-  printf("commit %d\n", resp);
+  printf("commit %d tmq %p offsets %p param %p\n", resp, tmq, offsets, param);
 }
 
 tmq_t* build_consumer() {
@@ -232,6 +234,7 @@ void sync_consume_loop(tmq_t* tmq, tmq_list_t* topics) {
       msg_process(tmqmessage);
       taos_free_result(tmqmessage);
 
+      tmq_commit(tmq, NULL, 1);
       /*if ((++msg_count % MIN_COMMIT_COUNT) == 0) tmq_commit(tmq, NULL, 0);*/
     }
   }
diff --git a/source/client/src/tmq.c b/source/client/src/tmq.c
index 151bdaca2bb5edbb48557acc540181014128686a..698c0cc4e7b712225cb97c01e608586abba027a7 100644
--- a/source/client/src/tmq.c
+++ b/source/client/src/tmq.c
@@ -377,7 +377,15 @@ int32_t tmqCommitCb(void* param, const SDataBuf* pMsg, int32_t code) {
   if (pParam->tmq->commitCb) {
     pParam->tmq->commitCb(pParam->tmq, pParam->rspErr, NULL, pParam->tmq->commitCbUserParam);
   }
-  if (!pParam->async) tsem_post(&pParam->rspSem);
+  if (!pParam->async)
+    tsem_post(&pParam->rspSem);
+  else {
+    tsem_destroy(&pParam->rspSem);
+    /*if (pParam->pArray) {*/
+    /*taosArrayDestroy(pParam->pArray);*/
+    /*}*/
+    taosMemoryFree(pParam);
+  }
   return 0;
 }
 
@@ -560,7 +568,7 @@ tmq_resp_err_t tmq_commit(tmq_t* tmq, const tmq_topic_vgroup_list_t* offsets, in
     tscError("failed to malloc request");
   }
 
-  SMqCommitCbParam* pParam = taosMemoryMalloc(sizeof(SMqCommitCbParam));
+  SMqCommitCbParam* pParam = taosMemoryCalloc(1, sizeof(SMqCommitCbParam));
   if (pParam == NULL) {
     return -1;
   }
@@ -575,6 +583,7 @@ tmq_resp_err_t tmq_commit(tmq_t* tmq, const tmq_topic_vgroup_list_t* offsets, in
   };
 
   SMsgSendInfo* sendInfo = buildMsgInfoImpl(pRequest);
+  sendInfo->requestObjRefId = 0;
   sendInfo->param = pParam;
   sendInfo->fp = tmqCommitCb;
   SEpSet epSet = getEpSet_s(&tmq->pTscObj->pAppInfo->mgmtEp);
@@ -585,13 +594,12 @@ tmq_resp_err_t tmq_commit(tmq_t* tmq, const tmq_topic_vgroup_list_t* offsets, in
   if (!async) {
     tsem_wait(&pParam->rspSem);
     resp = pParam->rspErr;
-  }
-
-  tsem_destroy(&pParam->rspSem);
-  taosMemoryFree(pParam);
+    tsem_destroy(&pParam->rspSem);
+    taosMemoryFree(pParam);
 
-  if (pArray) {
-    taosArrayDestroy(pArray);
+    if (pArray) {
+      taosArrayDestroy(pArray);
+    }
   }
 
   return resp;
@@ -1313,7 +1321,7 @@ const char* tmq_err2str(tmq_resp_err_t err) {
 const char* tmq_get_topic_name(TAOS_RES* res) {
   if (TD_RES_TMQ(res)) {
     SMqRspObj* pRspObj = (SMqRspObj*)res;
-    return pRspObj->topic;
+    return strchr(pRspObj->topic, '.') + 1;
   } else {
     return NULL;
   }