diff --git a/source/client/src/clientImpl.c b/source/client/src/clientImpl.c
index 69b6fe312c..323a5aed3f 100644
--- a/source/client/src/clientImpl.c
+++ b/source/client/src/clientImpl.c
@@ -2362,7 +2362,7 @@ int32_t resultInfoSafeCheck(SReqResultInfo* pResultInfo) {
     return TSDB_CODE_TSC_INTERNAL_ERROR;
   }
   for (int32_t i = 0; i < pResultInfo->numOfCols; ++i) {
-    if (pResultInfo->fields[i].bytes <= 0) {
+    if (pResultInfo->fields[i].bytes < 0) {
       tscError("checkResultInfo error: bytes:%d <= 0", pResultInfo->fields[i].bytes);
       return TSDB_CODE_TSC_INTERNAL_ERROR;
     }
diff --git a/source/common/src/tdatablock.c b/source/common/src/tdatablock.c
index 2da83a6b74..d41b433468 100644
--- a/source/common/src/tdatablock.c
+++ b/source/common/src/tdatablock.c
@@ -3165,7 +3165,7 @@ int32_t blockEncode(const SSDataBlock* pBlock, char* data, size_t dataBuflen, in
   return dataLen;
 
 _exit:
-  uError("blockEncode dataLen:%d, dataBuflen:%" PRIx64, dataLen, dataBuflen);
+  uError("blockEncode dataLen:%d, dataBuflen:%" PRIu64, dataLen, dataBuflen);
   terrno = TSDB_CODE_QRY_EXECUTOR_INTERNAL_ERROR;
   return -1;
 }
diff --git a/source/libs/executor/src/dataDispatcher.c b/source/libs/executor/src/dataDispatcher.c
index b9fbf06ef6..d358cedfb7 100644
--- a/source/libs/executor/src/dataDispatcher.c
+++ b/source/libs/executor/src/dataDispatcher.c
@@ -84,10 +84,10 @@ static int32_t toDataCacheEntry(SDataDispatchHandle* pHandle, const SInputData*
   pBuf->useSize = sizeof(SDataCacheEntry);
 
   {
+    // allocate additional 8 bytes to avoid invalid write if compress failed to reduce the size
     size_t dataEncodeBufSize = pBuf->allocSize + 8;
     if ((pBuf->allocSize > tsCompressMsgSize) && (tsCompressMsgSize > 0) && pHandle->pManager->cfg.compress) {
       if (pHandle->pCompressBuf == NULL) {
-        // allocate additional 8 bytes to avoid invalid write if compress failed to reduce the size
         pHandle->pCompressBuf = taosMemoryMalloc(dataEncodeBufSize);
         if (NULL == pHandle->pCompressBuf) {
           QRY_RET(terrno);