diff --git a/tests/milvus_python_test/test_add_vectors.py b/tests/milvus_python_test/test_add_vectors.py
index 7245d51ea2aca0fa03183982c5cc6cc15da30d94..7c9d9e691c070eb367d8c028eb63c7dd2622e2c5 100644
--- a/tests/milvus_python_test/test_add_vectors.py
+++ b/tests/milvus_python_test/test_add_vectors.py
@@ -1300,7 +1300,8 @@ class TestNameInvalid(object):
         assert not status.OK()
 
     @pytest.mark.level(2)
-    def test_add_vectors_with_invalid_tag_name(self, connect, get_tag_name):
+    def test_add_vectors_with_invalid_tag_name(self, connect, get_table_name, get_tag_name):
+        table_name = get_table_name
         tag_name = get_tag_name
         vectors = gen_vectors(1, dim)
         status, result = connect.add_vectors(table_name, vectors, partition_tag=tag_name)
diff --git a/tests/milvus_python_test/test_index.py b/tests/milvus_python_test/test_index.py
index 39aadb9d33b6a61341eed09ee63f4df1a3496a11..108563691fab08594477f45fa3e25eef607a0fa5 100644
--- a/tests/milvus_python_test/test_index.py
+++ b/tests/milvus_python_test/test_index.py
@@ -1209,8 +1209,16 @@ class TestCreateIndexParamsInvalid(object):
         logging.getLogger().info(index_params)
         status, ids = connect.add_vectors(table, vectors)
         # if not isinstance(index_type, int) or not isinstance(nlist, int):
-        with pytest.raises(Exception) as e:
+        try:
             status = connect.create_index(table, index_params)
+            assert not status.OK()
+            # no exception raised & status is OK. unexpected.
+            assert False
+        except (Exception, ):
+            pass
+        # with pytest.raises(Exception) as e:
+        #     status = connect.create_index(table, index_params)
+            # assert not status.OK()
         # else:
         #     status = connect.create_index(table, index_params)
         #     assert not status.OK()
diff --git a/tests/milvus_python_test/utils.py b/tests/milvus_python_test/utils.py
index 159c8407c6477d71864833cbceb4b2b158a519b9..a0e60e5f9d25351736ca06710738c3034f85e6d6 100644
--- a/tests/milvus_python_test/utils.py
+++ b/tests/milvus_python_test/utils.py
@@ -54,12 +54,12 @@ def gen_long_str(num):
 
 def gen_invalid_ips():
     ips = [
-            "255.0.0.0",
-            "255.255.0.0",
-            "255.255.255.0",
-            "255.255.255.255",
-            "127.0.0",
-            "123.0.0.2",
+            # "255.0.0.0",
+            # "255.255.0.0",
+            # "255.255.255.0",
+            # "255.255.255.255",
+            # "127.0.0",
+            # "123.0.0.2",
             "12-s",
             " ",
             "12 s",