diff --git a/tests/script/tsim/query/udf.sim b/tests/script/tsim/query/udf.sim
index d2893ade57..cabb88ea09 100644
--- a/tests/script/tsim/query/udf.sim
+++ b/tests/script/tsim/query/udf.sim
@@ -65,25 +65,25 @@ if $data00 != 1.414213562 then
 endi
 
 sql insert into t2 values(now+2s, 1, null)(now+3s, null, 2);
-#sql select udf1(f1, f2) from t2;
-#print $rows , $data00 , $data10 , $data20 , $data30
-#if $rows != 4 then
-#  return -1
-#endi
-#if $data00 != 88 then
-#  return -1
-#endi
-#if $data10 != 88 then
-#  return -1
-#endi
-#
-#if $data20 != NULL then
-#  return -1
-#endi
-#
-#if $data30 != NULL then
-#  return -1
-#endi
+sql select udf1(f1, f2) from t2;
+print $rows , $data00 , $data10 , $data20 , $data30
+if $rows != 4 then
+  return -1
+endi
+if $data00 != 88 then
+  return -1
+endi
+if $data10 != 88 then
+  return -1
+endi
+
+if $data20 != NULL then
+  return -1
+endi
+
+if $data30 != NULL then
+  return -1
+endi
 
 sql select udf2(f1, f2) from t2;
 print $rows, $data00