diff --git a/tests/system-test/1-insert/influxdb_line_taosc_insert.py b/tests/system-test/1-insert/influxdb_line_taosc_insert.py
index 75e0c3d59c..0ddeba4665 100644
--- a/tests/system-test/1-insert/influxdb_line_taosc_insert.py
+++ b/tests/system-test/1-insert/influxdb_line_taosc_insert.py
@@ -33,10 +33,10 @@ class TDTestCase:
     def createDb(self, name="test", db_update_tag=0):
         if db_update_tag == 0:
             tdSql.execute(f"drop database if exists {name}")
-            tdSql.execute(f"create database if not exists {name} precision 'ms'")
+            tdSql.execute(f"create database if not exists {name} precision 'ms' schemaless 1")
         else:
             tdSql.execute(f"drop database if exists {name}")
-            tdSql.execute(f"create database if not exists {name} precision 'ms' update 1")
+            tdSql.execute(f"create database if not exists {name} precision 'ms' update 1 schemaless 1")
         tdSql.execute(f'use {name}')
 
     def timeTrans(self, time_value, ts_type):
diff --git a/tests/system-test/1-insert/opentsdb_json_taosc_insert.py b/tests/system-test/1-insert/opentsdb_json_taosc_insert.py
index 360d878dfe..f9bc5bbaf4 100644
--- a/tests/system-test/1-insert/opentsdb_json_taosc_insert.py
+++ b/tests/system-test/1-insert/opentsdb_json_taosc_insert.py
@@ -36,10 +36,10 @@ class TDTestCase:
             
         if db_update_tag == 0:
             tdSql.execute(f"drop database if exists {name}")
-            tdSql.execute(f"create database if not exists {name} precision 'ms'")
+            tdSql.execute(f"create database if not exists {name} precision 'ms' schemaless 1")
         else:
             tdSql.execute(f"drop database if exists {name}")
-            tdSql.execute(f"create database if not exists {name} precision 'ms' update 1")
+            tdSql.execute(f"create database if not exists {name} precision 'ms' update 1 schemaless 1")
         tdSql.execute(f'use {name}')
 
     def timeTrans(self, time_value):
@@ -535,7 +535,7 @@ class TDTestCase:
         # check result
         #! bug
         tdSql.execute(f"drop database if exists test_ts")
-        tdSql.execute(f"create database if not exists test_ts precision 'ms'")
+        tdSql.execute(f"create database if not exists test_ts precision 'ms' schemaless 1")
         tdSql.execute("use test_ts")
         input_json = [{"metric": "test_ms", "timestamp": {"value": 1626006833640, "type": "ms"}, "value": True, "tags": {"t0": True}},
                     {"metric": "test_ms", "timestamp": {"value": 1626006833641, "type": "ms"}, "value": False, "tags": {"t0": True}}]
@@ -545,7 +545,7 @@ class TDTestCase:
         tdSql.checkEqual(str(res[1][0]), "2021-07-11 20:33:53.641000")
 
         tdSql.execute(f"drop database if exists test_ts")
-        tdSql.execute(f"create database if not exists test_ts precision 'us'")
+        tdSql.execute(f"create database if not exists test_ts precision 'us' schemaless 1")
         tdSql.execute("use test_ts")
         input_json = [{"metric": "test_us", "timestamp": {"value": 1626006833639000, "type": "us"}, "value": True, "tags": {"t0": True}},
                     {"metric": "test_us", "timestamp": {"value": 1626006833639001, "type": "us"}, "value": False, "tags": {"t0": True}}]
@@ -555,7 +555,7 @@ class TDTestCase:
         tdSql.checkEqual(str(res[1][0]), "2021-07-11 20:33:53.639001")
 
         tdSql.execute(f"drop database if exists test_ts")
-        tdSql.execute(f"create database if not exists test_ts precision 'ns'")
+        tdSql.execute(f"create database if not exists test_ts precision 'ns' schemaless 1")
         tdSql.execute("use test_ts")
         input_json = [{"metric": "test_ns", "timestamp": {"value": 1626006833639000000, "type": "ns"}, "value": True, "tags": {"t0": True}},
                     {"metric": "test_ns", "timestamp": {"value": 1626006833639000001, "type": "ns"}, "value": False, "tags": {"t0": True}}]
diff --git a/tests/system-test/1-insert/opentsdb_telnet_line_taosc_insert.py b/tests/system-test/1-insert/opentsdb_telnet_line_taosc_insert.py
index 6d50dd4fda..23404330ed 100644
--- a/tests/system-test/1-insert/opentsdb_telnet_line_taosc_insert.py
+++ b/tests/system-test/1-insert/opentsdb_telnet_line_taosc_insert.py
@@ -36,10 +36,10 @@ class TDTestCase:
             
         if db_update_tag == 0:
             tdSql.execute(f"drop database if exists {name}")
-            tdSql.execute(f"create database if not exists {name} precision 'us'")
+            tdSql.execute(f"create database if not exists {name} precision 'us' schemaless 1")
         else:
             tdSql.execute(f"drop database if exists {name}")
-            tdSql.execute(f"create database if not exists {name} precision 'ns' update 1")
+            tdSql.execute(f"create database if not exists {name} precision 'ns' update 1 schemaless 1")
         tdSql.execute(f'use {name}')
 
     def timeTrans(self, time_value, ts_type):
@@ -393,7 +393,7 @@ class TDTestCase:
         self.resCmp(input_sql, stb_name, ts_type=TDSmlTimestampType.SECOND.value)
 
         tdSql.execute(f"drop database if exists test_ts")
-        tdSql.execute(f"create database if not exists test_ts precision 'ms'")
+        tdSql.execute(f"create database if not exists test_ts precision 'ms'  schemaless 1")
         tdSql.execute("use test_ts")
         input_sql = ['test_ms 1626006833640 t t0=t', 'test_ms 1626006833641 f t0=t']
         self._conn.schemaless_insert(input_sql, TDSmlProtocolType.TELNET.value, None)