diff --git a/src/client/inc/tscUtil.h b/src/client/inc/tscUtil.h
index 738ebd07dc1b5f4cf6f55ff0bf7403b0b9441171..d0db130bf33ad0d31735660b6b76290765c4a4b8 100644
--- a/src/client/inc/tscUtil.h
+++ b/src/client/inc/tscUtil.h
@@ -122,6 +122,7 @@ SParamInfo* tscAddParamToDataBlock(STableDataBlocks* pDataBlock, char type, uint
                                    uint32_t offset);
 
 void*   tscDestroyBlockArrayList(SArray* pDataBlockList);
+void*  tscDestroyUdfArrayList(SArray* pUdfList);
 void*   tscDestroyBlockHashTable(SHashObj* pBlockHashTable, bool removeMeta);
 
 int32_t tscCopyDataBlockToPayload(SSqlObj* pSql, STableDataBlocks* pDataBlock);
diff --git a/src/client/src/tscUtil.c b/src/client/src/tscUtil.c
index 8d320c9a837d44c6f5d496617562e8a491d1df0b..0f5e607e2259a02656f60d48dddcd18761a3fc44 100644
--- a/src/client/src/tscUtil.c
+++ b/src/client/src/tscUtil.c
@@ -435,6 +435,7 @@ void tscResetSqlCmd(SSqlCmd* pCmd, bool removeMeta) {
 
   pCmd->pTableBlockHashList = tscDestroyBlockHashTable(pCmd->pTableBlockHashList, removeMeta);
   pCmd->pDataBlocks = tscDestroyBlockArrayList(pCmd->pDataBlocks);
+  pCmd->pUdfInfo = tscDestroyUdfArrayList(pCmd->pUdfInfo);
   tscFreeQueryInfo(pCmd, removeMeta);
 }
 
@@ -610,6 +611,26 @@ void*  tscDestroyBlockArrayList(SArray* pDataBlockList) {
   return NULL;
 }
 
+void*  tscDestroyUdfArrayList(SArray* pUdfList) {
+  if (pUdfList == NULL) {
+    return NULL;
+  }
+
+  size_t size = taosArrayGetSize(pUdfList);
+  for (int32_t i = 0; i < size; i++) {
+    SUdfInfo* udf = taosArrayGet(pUdfList, i);
+    if (udf) {
+      tfree(udf->content);
+      tfree(udf->name);
+    }
+  }
+
+  taosArrayDestroy(pUdfList);
+  return NULL;
+}
+
+
+
 void* tscDestroyBlockHashTable(SHashObj* pBlockHashTable, bool removeMeta) {
   if (pBlockHashTable == NULL) {
     return NULL;