diff --git a/tests/python_test/entity/test_insert.py b/tests/python_test/entity/test_insert.py
index 0eca0581e761acf365dd0390cda84e2f6312e735..b8261da15970f6098ba46faf08c0dc74c03a03c4 100644
--- a/tests/python_test/entity/test_insert.py
+++ b/tests/python_test/entity/test_insert.py
@@ -746,7 +746,6 @@ class TestInsertAsync:
         stats = connect.get_collection_stats(collection)
         assert stats[row_count] == 0
 
-    # #1339
     @pytest.mark.tags("0331")
     def test_insert_async_invalid_params(self, connect):
         '''
@@ -770,6 +769,7 @@ class TestInsertAsync:
         '''
         entities = []
         future = connect.insert(collection, entities, _async=True)
+        future.done()
         with pytest.raises(Exception) as e:
             future.result()
 
@@ -1128,12 +1128,11 @@ class TestInsertInvalidBinary(object):
             connect.insert(binary_collection, tmp_entity)
 
     @pytest.mark.level(2)
-    # #1352
-    @pytest.mark.tags("fail")
+    @pytest.mark.tags("0331")
     def test_insert_with_invalid_field_entity_value(self, connect, binary_collection, get_field_vectors_value):
         tmp_entity = copy.deepcopy(default_binary_entity)
         src_vectors = tmp_entity[-1]["values"]
-        src_vectors[0][1] = get_field_vectors_value
+        src_vectors[0] = get_field_vectors_value
         with pytest.raises(Exception):
             connect.insert(binary_collection, tmp_entity)
 
@@ -1160,7 +1159,6 @@ class TestInsertInvalidBinary(object):
 
     @pytest.mark.level(2)
     @pytest.mark.tags("0331")
-    # TODO 'bytes' object does not support item assignment
     def test_insert_with_invalid_field_entities_value(self, connect, binary_collection, get_field_vectors_value):
         tmp_entities = copy.deepcopy(default_binary_entities)
         src_vector = tmp_entities[-1]["values"]
diff --git a/tests/python_test/test_index.py b/tests/python_test/test_index.py
index 2051520ac984e0edde2a69a7ecfde40c96102eb6..f6cff1ba408001a53e603e39a456b69ce6a5b064 100644
--- a/tests/python_test/test_index.py
+++ b/tests/python_test/test_index.py
@@ -557,6 +557,13 @@ class TestIndexBase:
             connect.create_index(collection, field_name, get_simple_index)
             connect.drop_index(collection, field_name)
 
+    def test_create_PQ_without_nbits(self, connect, collection):
+        PQ_index = {"index_type": "IVF_PQ", "params": {"nlist": 128, "m": 16}, "metric_type": "L2"}
+        ids = connect.insert(collection, default_entities)
+        connect.create_index(collection, field_name, PQ_index)
+        index = connect.describe_index(collection, field_name)
+        assert index == PQ_index
+
 
 class TestIndexBinary:
     @pytest.fixture(