diff --git a/tests/pytest/client/client.py b/tests/pytest/client/client.py
index 3fbb4f54764b9831b928522a5da57d66b563be72..6fd2a2b6bdd9a83c4f54b90cc37d16f05209b069 100644
--- a/tests/pytest/client/client.py
+++ b/tests/pytest/client/client.py
@@ -49,9 +49,7 @@ class TDTestCase:
         tdSql.checkRows(1)
 
         ret = tdSql.query('show vgroups')
-        tdSql.checkRows(0)
-
-        tdSql.execute('set max_binary_display_width 40')
+        tdSql.checkRows(0)        
 
 
     def stop(self):