diff --git a/tests/system-test/2-query/stateduration.py b/tests/system-test/2-query/stateduration.py
index 6689fab2c3e7b9fddecf1c3482edff711bb04985..fa71009ef210e6a14c5abe04fbfe0f0b95c6598a 100644
--- a/tests/system-test/2-query/stateduration.py
+++ b/tests/system-test/2-query/stateduration.py
@@ -24,10 +24,6 @@ class TDTestCase:
         self.row_num = 10
     def run(self):
         tdSql.prepare()
-        
-
-        
-        
         # timestamp = 1ms , time_unit = 1s
         tdSql.execute('''create table test(ts timestamp, col1 tinyint, col2 smallint, col3 int, col4 bigint, col5 float, col6 double, 
                     col7 bool, col8 binary(20), col9 nchar(20), col11 tinyint unsigned, col12 smallint unsigned, col13 int unsigned, col14 bigint unsigned)''')