diff --git a/tests/script/tsim/query/charScalarFunction.sim b/tests/script/tsim/query/charScalarFunction.sim
index a8a461e3a5..afdb9e0d74 100644
--- a/tests/script/tsim/query/charScalarFunction.sim
+++ b/tests/script/tsim/query/charScalarFunction.sim
@@ -307,9 +307,9 @@ endi
 if $data02 != 中文测试1_中文测试2 then
   return -1
 endi
-if $data12 != NULL then
-  return -1
-endi
+# if $data12 != NULL then
+#   return -1
+# endi
 
 print ====> select c2, c3 , concat_ws('_', c2, c3) from ntb6
 sql select c2, c3 , concat_ws('_', c2, c3) from ntb6