diff --git a/source/libs/stream/src/streamState.c b/source/libs/stream/src/streamState.c
index 26904ebbfb..9e61e8aaca 100644
--- a/source/libs/stream/src/streamState.c
+++ b/source/libs/stream/src/streamState.c
@@ -140,7 +140,7 @@ SStreamState* streamStateOpen(char* path, void* pTask, bool specPath, int32_t sz
     pState->pTdbState->pBackendCfWrapper = taosAcquireRef(streamBackendCfWrapperId, id);
     // already exist stream task for
     qInfo("already exist stream state for %s", pState->pTdbState->idstr);
-    taosAcquireRef(streamBackendId, pState->streamBackendRid);
+    // taosAcquireRef(streamBackendId, pState->streamBackendRid);
   }
   taosThreadMutexUnlock(&pMeta->backendMutex);
 
diff --git a/source/libs/transport/src/transSvr.c b/source/libs/transport/src/transSvr.c
index c6c412022a..e16c490fee 100644
--- a/source/libs/transport/src/transSvr.c
+++ b/source/libs/transport/src/transSvr.c
@@ -196,8 +196,6 @@ static bool uvHandleReq(SSvrConn* pConn) {
     tError("%s conn %p recv invalid packet, failed to decompress", transLabel(pTransInst), pConn);
     return false;
   }
-  tDebug("head version: %d 2", pHead->version);
-
   pHead->code = htonl(pHead->code);
   pHead->msgLen = htonl(pHead->msgLen);
 
diff --git a/source/util/src/tref.c b/source/util/src/tref.c
index e70e12b37b..1bd3099b2d 100644
--- a/source/util/src/tref.c
+++ b/source/util/src/tref.c
@@ -181,7 +181,8 @@ int64_t taosAddRef(int32_t rsetId, void *p) {
   if (pSet->nodeList[hash]) pSet->nodeList[hash]->prev = pNode;
   pSet->nodeList[hash] = pNode;
 
-  uTrace("rsetId:%d p:%p rid:%" PRId64 " is added, count:%d", rsetId, p, rid, pSet->count);
+  uTrace("rsetId:%d p:%p rid:%" PRId64 " is added, count:%d, remain count:%d", rsetId, p, rid, pSet->count,
+         pNode->count);
 
   taosUnlockList(pSet->lockedBy + hash);
 
@@ -235,7 +236,7 @@ void *taosAcquireRef(int32_t rsetId, int64_t rid) {
     if (pNode->removed == 0) {
       pNode->count++;
       p = pNode->p;
-      uTrace("rsetId:%d p:%p rid:%" PRId64 " is acquired", rsetId, pNode->p, rid);
+      uTrace("rsetId:%d p:%p rid:%" PRId64 " is acquired, remain count:%d", rsetId, pNode->p, rid, pNode->count);
     } else {
       terrno = TSDB_CODE_REF_NOT_EXIST;
       uTrace("rsetId:%d p:%p rid:%" PRId64 " is already removed, failed to acquire", rsetId, pNode->p, rid);