diff --git a/tests/system-test/2-query/leastsquares.py b/tests/system-test/2-query/leastsquares.py
index 8e7c475ea796f1be1f6fbed4997ef5915b400bfb..ecdbecb526eb13e7417fb11359f048442bd68b3d 100644
--- a/tests/system-test/2-query/leastsquares.py
+++ b/tests/system-test/2-query/leastsquares.py
@@ -167,7 +167,7 @@ class TDTestCase:
                     where_claus = self.__where_condition(query_conditon=select_claus)
                     having_claus = self.__group_condition(col=select_claus, having=f"{select_claus} is not null")
                     for arg in self.start_step_val:
-                        if not  isinstance(arg,int):
+                        if not  isinstance(arg,int) or isinstance(arg, bool):
                             err_sqls.extend(
                                 (
                                     self.__single_sql(select_clause=select_claus, from_clause=tb, start_val=arg),