diff --git a/include/libs/function/tudf.h b/include/libs/function/tudf.h
index ca5079a0a8..6a98138c6c 100644
--- a/include/libs/function/tudf.h
+++ b/include/libs/function/tudf.h
@@ -122,7 +122,7 @@ int32_t udfAggFinalize(struct SqlFunctionCtx *pCtx, SSDataBlock* pBlock);
 
 int32_t callUdfScalarFunc(char *udfName, SScalarParam *input, int32_t numOfCols, SScalarParam *output);
 
-int32_t teardownUdfs();
+int32_t cleanUpUdfs();
 // end API to taosd and qworker
 //=============================================================================================================================
 // begin API to UDF writer.
diff --git a/source/libs/executor/src/executorMain.c b/source/libs/executor/src/executorMain.c
index 0c464d9b43..354f4d8752 100644
--- a/source/libs/executor/src/executorMain.c
+++ b/source/libs/executor/src/executorMain.c
@@ -157,7 +157,7 @@ int32_t qExecTask(qTaskInfo_t tinfo, SSDataBlock** pRes, uint64_t *useconds) {
   int32_t current = (*pRes != NULL)? (*pRes)->info.rows:0;
   pTaskInfo->totalRows += current;
 
-  teardownUdfs();
+  cleanUpUdfs();
   qDebug("%s task suspended, %d rows returned, total:%" PRId64 " rows, in sinkNode:%d, elapsed:%.2f ms",
          GET_TASKID(pTaskInfo), current, pTaskInfo->totalRows, 0, el/1000.0);
 
diff --git a/source/libs/function/src/tudf.c b/source/libs/function/src/tudf.c
index b5058a2d60..0414841ba4 100644
--- a/source/libs/function/src/tudf.c
+++ b/source/libs/function/src/tudf.c
@@ -1661,7 +1661,8 @@ int32_t udfAggFinalize(struct SqlFunctionCtx *pCtx, SSDataBlock* pBlock) {
   return udfCallCode == 0 ? numOfResults : udfCallCode;
 }
 
-int32_t teardownUdfs() {
+int32_t cleanUpUdfs() {
+  fnInfo("clean up udf unused function handles");
   uv_mutex_lock(&gUdfdProxy.udfStubsMutex);
   int32_t i = 0;
   SArray* udfStubs = taosArrayInit(16, sizeof(SUdfcFuncStub));