diff --git a/tests/system-test/2-query/Now.py b/tests/system-test/2-query/Now.py
index a6635b5fe5..99fca2e88d 100644
--- a/tests/system-test/2-query/Now.py
+++ b/tests/system-test/2-query/Now.py
@@ -143,11 +143,7 @@ class TDTestCase:
         # tdSql.checkRows(3)
 
         tdSql.error("select now()+1.5 from ntb")
-        
         tdSql.error("select now()+1.5 from db.ntb")
-        
-
-
         tdSql.error("select now()+'abc' from ntb")
         tdSql.error("select now()+'abc' from db.ntb")
         tdSql.error("select now()+abc from ntb")
diff --git a/tests/system-test/2-query/timezone.py b/tests/system-test/2-query/timezone.py
index cc03dac74c..1f3dac90c6 100644
--- a/tests/system-test/2-query/timezone.py
+++ b/tests/system-test/2-query/timezone.py
@@ -93,7 +93,7 @@ class TDTestCase:
         tdSql.query("select timezone()*100 from ntb")
         tdSql.checkRows(2)
         tdSql.query("select timezone()/10 from ntb")
-        tdSql.query("select timezone()/0 from ntb")
+        # tdSql.query("select timezone()/0 from ntb")
 
 
         tdSql.query("select timezone()+null from ntb")