diff --git a/tests/system-test/2-query/last_row.py b/tests/system-test/2-query/last_row.py
index cbe83b5a30..cdb26f7589 100644
--- a/tests/system-test/2-query/last_row.py
+++ b/tests/system-test/2-query/last_row.py
@@ -221,7 +221,7 @@ class TDTestCase:
         tdSql.execute("use testdb")
 
         # bug need fix
-        tdSql.query("select last_row(c1 ,NULL) from testdb.t1")
+        tdSql.error("select last_row(c1 ,NULL) from testdb.t1")
 
         error_sql_lists = [
             "select last_row from testdb.t1",