diff --git a/source/libs/function/src/udfd.c b/source/libs/function/src/udfd.c
index a319b5a25b..f17867d84b 100644
--- a/source/libs/function/src/udfd.c
+++ b/source/libs/function/src/udfd.c
@@ -961,6 +961,7 @@ int32_t udfdInitResidentFuncs() {
   char* token;
   while ((token = strtok_r(pSave, ",", &pSave)) != NULL) {
     char func[TSDB_FUNC_NAME_LEN+1] = {0};
+    fnInfo("udfd add resident function %s", func);
     strncpy(func, token, TSDB_FUNC_NAME_LEN);
     taosArrayPush(global.residentFuncs, func);
   }