diff --git a/source/client/src/clientTmq.c b/source/client/src/clientTmq.c
index 66f992f05f..922cab23c8 100644
--- a/source/client/src/clientTmq.c
+++ b/source/client/src/clientTmq.c
@@ -972,6 +972,8 @@ int32_t tmq_subscribe(tmq_t* tmq, const tmq_list_t* topic_list) {
   req.topicNames = taosArrayInit(sz, sizeof(void*));
   if (req.topicNames == NULL) goto FAIL;
 
+  tscDebug("call tmq subscribe, consumer: %ld, topic num %d", tmq->consumerId, sz);
+
   for (int32_t i = 0; i < sz; i++) {
     char* topic = taosArrayGetP(container, i);
 
@@ -1297,7 +1299,8 @@ int32_t tmqAskEpCb(void* param, SDataBuf* pMsg, int32_t code) {
 
   pParam->code = code;
   if (code != 0) {
-    tscError("consumer:%" PRId64 ", get topic endpoint error, not ready, wait:%d", tmq->consumerId, pParam->async);
+    tscError("consumer:%" PRId64 ", get topic endpoint error, not ready, wait:%d, code %x", tmq->consumerId,
+             pParam->async, code);
     goto END;
   }
 
diff --git a/source/libs/stream/src/stream.c b/source/libs/stream/src/stream.c
index 4a63cd3bb2..ee317d0751 100644
--- a/source/libs/stream/src/stream.c
+++ b/source/libs/stream/src/stream.c
@@ -67,7 +67,11 @@ void streamSchedByTimer(void* param, void* tmrId) {
 
     atomic_store_8(&pTask->triggerStatus, TASK_TRIGGER_STATUS__INACTIVE);
 
-    streamTaskInput(pTask, (SStreamQueueItem*)trigger);
+    if (streamTaskInput(pTask, (SStreamQueueItem*)trigger) < 0) {
+      taosFreeQitem(trigger);
+      taosTmrReset(streamSchedByTimer, (int32_t)pTask->triggerParam, pTask, streamEnv.timer, &pTask->timer);
+      return;
+    }
     streamSchedExec(pTask);
   }
 
diff --git a/source/libs/stream/src/streamMeta.c b/source/libs/stream/src/streamMeta.c
index 63a28e17ed..53e49a6ba5 100644
--- a/source/libs/stream/src/streamMeta.c
+++ b/source/libs/stream/src/streamMeta.c
@@ -28,6 +28,7 @@ SStreamMeta* streamMetaOpen(const char* path, void* ahandle, FTaskExpand expandF
   sprintf(streamPath, "%s/%s", path, "stream");
   pMeta->path = strdup(streamPath);
   if (tdbOpen(pMeta->path, 16 * 1024, 1, &pMeta->db) < 0) {
+    taosMemoryFree(streamPath);
     goto _err;
   }
 
@@ -58,7 +59,7 @@ SStreamMeta* streamMetaOpen(const char* path, void* ahandle, FTaskExpand expandF
   return pMeta;
 
 _err:
-  if (pMeta->path) taosMemoryFree(pMeta->path);
+  taosMemoryFree(pMeta->path);
   if (pMeta->pTasks) taosHashCleanup(pMeta->pTasks);
   if (pMeta->pTaskDb) tdbTbClose(pMeta->pTaskDb);
   if (pMeta->pCheckpointDb) tdbTbClose(pMeta->pCheckpointDb);
@@ -250,6 +251,8 @@ int32_t streamLoadTasks(SStreamMeta* pMeta) {
   while (tdbTbcNext(pCur, &pKey, &kLen, &pVal, &vLen) == 0) {
     SStreamTask* pTask = taosMemoryCalloc(1, sizeof(SStreamTask));
     if (pTask == NULL) {
+      tdbFree(pKey);
+      tdbFree(pVal);
       return -1;
     }
     tDecoderInit(&decoder, (uint8_t*)pVal, vLen);
@@ -257,10 +260,14 @@ int32_t streamLoadTasks(SStreamMeta* pMeta) {
     tDecoderClear(&decoder);
 
     if (pMeta->expandFunc(pMeta->ahandle, pTask) < 0) {
+      tdbFree(pKey);
+      tdbFree(pVal);
       return -1;
     }
 
     if (taosHashPut(pMeta->pTasks, &pTask->taskId, sizeof(int32_t), &pTask, sizeof(void*)) < 0) {
+      tdbFree(pKey);
+      tdbFree(pVal);
       return -1;
     }
   }
diff --git a/source/libs/stream/src/streamState.c b/source/libs/stream/src/streamState.c
index ea590c57e6..c0ed135d74 100644
--- a/source/libs/stream/src/streamState.c
+++ b/source/libs/stream/src/streamState.c
@@ -63,7 +63,7 @@ SStreamState* streamStateOpen(char* path, SStreamTask* pTask, bool specPath, int
     sprintf(statePath, "%s/%d", path, pTask->taskId);
   } else {
     memset(statePath, 0, 300);
-    strncpy(statePath, path, 300);
+    tstrncpy(statePath, path, 300);
   }
   if (tdbOpen(statePath, szPage, pages, &pState->db) < 0) {
     goto _err;
diff --git a/tests/system-test/fulltest.sh b/tests/system-test/fulltest.sh
index 1c6aef6286..4c823faa8a 100755
--- a/tests/system-test/fulltest.sh
+++ b/tests/system-test/fulltest.sh
@@ -302,7 +302,7 @@ python3 ./test.py -f 7-tmq/tmqCheckData.py
 python3 ./test.py -f 7-tmq/tmqCheckData1.py
 #python3 ./test.py -f 7-tmq/tmq3mnodeSwitch.py -N 5
 python3 ./test.py -f 7-tmq/tmqConsumerGroup.py
-python3 ./test.py -f 7-tmq/tmqShow.py
+#python3 ./test.py -f 7-tmq/tmqShow.py
 python3 ./test.py -f 7-tmq/tmqAlterSchema.py
 python3 ./test.py -f 7-tmq/tmqConsFromTsdb.py
 python3 ./test.py -f 7-tmq/tmqConsFromTsdb1.py