diff --git a/tests/system-test/0-others/information_schema.py b/tests/system-test/0-others/information_schema.py
index 05736537c2..43e0d5fbc7 100644
--- a/tests/system-test/0-others/information_schema.py
+++ b/tests/system-test/0-others/information_schema.py
@@ -117,7 +117,7 @@ class TDTestCase:
             tdLog.info(f"create table db3.ctb{i} using db3.stb tags({i})")
             tdSql.execute(f"create table db3.ctb{i} using db3.stb tags({i})")
             col_value_str = '1, ' * 4093 + '1'
-            tdSql.execute(f"insert into db3.ctb{i} values(now,{col_value_str})(now+1s,{col_value_str})(now+2s,{col_value_str})")
+            tdSql.execute(f"insert into db3.ctb{i} values(now,{col_value_str})(now+1s,{col_value_str})(now+2s,{col_value_str})(now+3s,{col_value_str})")
         tdSql.query("select * from information_schema.ins_columns")
         
         tdSql.execute('drop database db3')