diff --git a/iotdb-client/client-py/iotdb/utils/IoTDBRpcDataSet.py b/iotdb-client/client-py/iotdb/utils/IoTDBRpcDataSet.py
index d575caf8a09a..e9621bf81b96 100644
--- a/iotdb-client/client-py/iotdb/utils/IoTDBRpcDataSet.py
+++ b/iotdb-client/client-py/iotdb/utils/IoTDBRpcDataSet.py
@@ -216,17 +216,7 @@ def construct_one_data_frame(self):
                     data_array.dtype.newbyteorder("<")
                 )
             if len(data_array) < total_length:
-                # INT32, INT64, BOOLEAN, TIMESTAMP, DATE
-                if (
-                    data_type == 0
-                    or data_type == 1
-                    or data_type == 2
-                    or data_type == 8
-                    or data_type == 9
-                ):
-                    tmp_array = np.full(total_length, np.nan, np.float32)
-                else:
-                    tmp_array = np.full(total_length, None, dtype=object)
+                tmp_array = np.full(total_length, None, dtype=object)
 
                 bitmap_buffer = self.__query_data_set.bitmapList[location]
                 buffer = _to_bitbuffer(bitmap_buffer)
diff --git a/iotdb-client/client-py/tests/integration/test_new_data_types.py b/iotdb-client/client-py/tests/integration/test_new_data_types.py
index 3452d6c1b7bd..ce89b5b83165 100644
--- a/iotdb-client/client-py/tests/integration/test_new_data_types.py
+++ b/iotdb-client/client-py/tests/integration/test_new_data_types.py
@@ -153,5 +153,32 @@ def session_test(use_session_pool=False):
             assert rows == 10
             assert columns == 5
 
+        session.insert_records(
+            [device_id, device_id],
+            [11, 12],
+            [measurements_new_type, ["s_02", "s_03", "s_04"]],
+            [
+                data_types_new_type,
+                [
+                    TSDataType.TIMESTAMP,
+                    TSDataType.BLOB,
+                    TSDataType.STRING,
+                ],
+            ],
+            [
+                [date(1971, 1, 1), 11, b"\x12\x34", "test11"],
+                [12, b"\x12\x34", "test12"],
+            ],
+        )
+
+        with session.execute_query_statement(
+            "select s_01,s_02,s_03,s_04 from root.sg_test_01.d_04 where time > 10"
+        ) as dataset:
+            cnt = 0
+            while dataset.has_next():
+                cnt += 1
+                print(dataset.next())
+            assert cnt == 2
+
         # close session connection.
         session.close()