diff --git a/tests/system-test/1-insert/table_param_ttl.py b/tests/system-test/1-insert/table_param_ttl.py
index f93ebb98cb71e5743202e91e2e075c40bcb69adc..65be3cdcf337b6ef38015ce8e7dd468e3c33d0f7 100644
--- a/tests/system-test/1-insert/table_param_ttl.py
+++ b/tests/system-test/1-insert/table_param_ttl.py
@@ -46,12 +46,7 @@ class TDTestCase:
         tdSql.checkRows(0)
 
     def run(self):
-    
         self.ttl_check()
-        
-        
-
-        
 
     def stop(self):
         tdSql.close()