diff --git a/source/libs/function/src/builtinsimpl.c b/source/libs/function/src/builtinsimpl.c
index 59e330d019d083eaef07c7545c51aaa70ca99900..298c0af61ba3b157853e5b7b70c9b32332a9553c 100644
--- a/source/libs/function/src/builtinsimpl.c
+++ b/source/libs/function/src/builtinsimpl.c
@@ -2576,7 +2576,9 @@ int32_t apercentileFunctionMerge(SqlFunctionCtx* pCtx) {
     apercentileTransferInfo(pInputInfo, pInfo);
   }
 
-  qDebug("after merge, total:%d, numOfEntry:%d, %p", pInfo->pHisto->numOfElems, pInfo->pHisto->numOfEntries, pInfo->pHisto);
+  if (pInfo->algo != APERCT_ALGO_TDIGEST) {
+    qDebug("after merge, total:%d, numOfEntry:%d, %p", pInfo->pHisto->numOfElems, pInfo->pHisto->numOfEntries, pInfo->pHisto);
+  }
 
   SET_VAL(pResInfo, 1, 1);
   return TSDB_CODE_SUCCESS;