diff --git a/tests/system-test/2-query/join.py b/tests/system-test/2-query/join.py
index c263a0b41285950e35a717db3749e475da38809a..7744360e65c136f830874a914efb3f26f8a8ab60 100644
--- a/tests/system-test/2-query/join.py
+++ b/tests/system-test/2-query/join.py
@@ -101,7 +101,7 @@ class TDTestCase:
                     tdSql.error(sql=sql)
                     return
                 if len(tblist) == 2:
-                    self.__join_current(sql, checkrows)
+                    self.__join_current(sql, checkrows + 2 ) if where_condition else self.__join_current(sql, checkrows + 5 )
                     return
                 if len(tblist) > 2 or len(tblist) < 1:
                     tdSql.error(sql=sql)