diff --git a/source/client/src/clientImpl.c b/source/client/src/clientImpl.c
index 272f78a980867dda9cb1c995d0a20f0a88740600..70ba2570d744eb66aff9b3fe82db8794062bd16f 100644
--- a/source/client/src/clientImpl.c
+++ b/source/client/src/clientImpl.c
@@ -199,7 +199,7 @@ int32_t buildRequest(uint64_t connId, const char* sql, int sqlLen, void* param,
   if (tsQueryUseNodeAllocator && !qIsInsertValuesSql((*pRequest)->sqlstr, (*pRequest)->sqlLen)) {
     if (TSDB_CODE_SUCCESS !=
         nodesCreateAllocator((*pRequest)->requestId, tsQueryNodeChunkSize, &((*pRequest)->allocatorRefId))) {
-      tscError("%d failed to create node allocator, reqId:0x%" PRIx64 ", conn:%" PRId64 ", %s", (*pRequest)->self,
+      tscError("%" PRId64 " failed to create node allocator, reqId:0x%" PRIx64 ", conn:%" PRId64 ", %s", (*pRequest)->self,
                (*pRequest)->requestId, pTscObj->id, sql);
 
       destroyRequest(*pRequest);
diff --git a/source/dnode/mnode/impl/src/mndStb.c b/source/dnode/mnode/impl/src/mndStb.c
index 8a3179b2a9bc0700c8180666b6eb4c8c58f83017..4b1906ba7039213f3507488c91dafff8c1795497 100644
--- a/source/dnode/mnode/impl/src/mndStb.c
+++ b/source/dnode/mnode/impl/src/mndStb.c
@@ -2555,7 +2555,7 @@ static int32_t mndRetrieveStb(SRpcMsg *pReq, SShowObj *pShow, SSDataBlock *pBloc
     int32_t rollupNum = (int32_t)taosArrayGetSize(pStb->pFuncs);
     char   *sep = ", ";
     int32_t sepLen = strlen(sep);
-    int32_t rollupLen = sizeof(rollup) - 2;
+    int32_t rollupLen = sizeof(rollup) - VARSTR_HEADER_SIZE - 2;
     for (int32_t i = 0; i < rollupNum; ++i) {
       char *funcName = taosArrayGet(pStb->pFuncs, i);
       if (i) {
diff --git a/source/libs/executor/src/dataDeleter.c b/source/libs/executor/src/dataDeleter.c
index 55978855d16100481a301ccf59ea852e68e30b64..02ab475cdf428d864e35046bd3052a5e5411ebc3 100644
--- a/source/libs/executor/src/dataDeleter.c
+++ b/source/libs/executor/src/dataDeleter.c
@@ -150,9 +150,15 @@ static int32_t getStatus(SDataDeleterHandle* pDeleter) {
 static int32_t putDataBlock(SDataSinkHandle* pHandle, const SInputData* pInput, bool* pContinue) {
   SDataDeleterHandle* pDeleter = (SDataDeleterHandle*)pHandle;
   SDataDeleterBuf*    pBuf = taosAllocateQitem(sizeof(SDataDeleterBuf), DEF_QITEM);
-  if (NULL == pBuf || !allocBuf(pDeleter, pInput, pBuf)) {
+  if (NULL == pBuf) {
     return TSDB_CODE_QRY_OUT_OF_MEMORY;
   }
+
+  if (!allocBuf(pDeleter, pInput, pBuf)) {
+    taosFreeQitem(pBuf);
+    return TSDB_CODE_QRY_OUT_OF_MEMORY;
+  }
+  
   toDataCacheEntry(pDeleter, pInput, pBuf);
   taosWriteQitem(pDeleter->pDataBlocks, pBuf);
   *pContinue = (DS_BUF_LOW == updateStatus(pDeleter) ? true : false);
diff --git a/source/libs/executor/src/dataInserter.c b/source/libs/executor/src/dataInserter.c
index ed455e5e75b07ebe78149d77395368afc6c89808..d996634d8e37763e754336b9f50bdc4d7d23b74b 100644
--- a/source/libs/executor/src/dataInserter.c
+++ b/source/libs/executor/src/dataInserter.c
@@ -324,6 +324,7 @@ int32_t createDataInserter(SDataSinkManager* pManager, const SDataSinkNode* pDat
       tsdbGetTableSchema(inserter->pParam->readHandle->vnode, pInserterNode->tableId, &inserter->pSchema, &suid);
   if (code) {
     destroyDataSinker((SDataSinkHandle*)inserter);
+    taosMemoryFree(inserter);
     return code;
   }