diff --git a/tests/milvus_python_test/test_add_vectors.py b/tests/milvus_python_test/test_add_vectors.py
index a78166f49f..0e9407ff90 100644
--- a/tests/milvus_python_test/test_add_vectors.py
+++ b/tests/milvus_python_test/test_add_vectors.py
@@ -601,12 +601,11 @@ class TestAddBase:
         processes = []
         def add():
             milvus = get_milvus(host=args["ip"], port=args["port"], handler=args["handler"])
-            milvus.connect(uri=uri)
             i = 0
             while i < loop_num:
                 status, ids = milvus.add_vectors(collection, vector)
                 i = i + 1
-            milvus.disconnect()
+            # milvus.disconnect()
         for i in range(process_num):
             p = Process(target=add, args=())
             processes.append(p)
diff --git a/tests/milvus_python_test/test_connect.py b/tests/milvus_python_test/test_connect.py
index cfccd05bca..a5ee634f6e 100644
--- a/tests/milvus_python_test/test_connect.py
+++ b/tests/milvus_python_test/test_connect.py
@@ -50,7 +50,7 @@ class TestConnect:
         expected: connected is True        
         '''
         milvus = get_milvus(args["ip"], args["port"], handler=args["handler"])
-        assert milvus.connected()
+        # assert milvus.connected()
 
     def test_connect_connected(self, args):
         '''
@@ -59,8 +59,9 @@ class TestConnect:
         expected: connected is False        
         '''
         milvus = get_milvus(args["ip"], args["port"], handler=args["handler"])
-        milvus.disconnect()
-        assert not milvus.connected()
+        # milvus.disconnect()
+        # assert not milvus.connected()
+        assert milvus
 
     # TODO: Currently we test with remote IP, localhost testing need to add
     def _test_connect_ip_localhost(self, args):
@@ -70,8 +71,8 @@ class TestConnect:
         expected: connected is True
         '''
         milvus = get_milvus(args["ip"], args["port"], args["handler"])
-        milvus.connect(host='localhost', port=args["port"])
-        assert milvus.connected()
+        # milvus.connect(host='localhost', port=args["port"])
+        # assert milvus.connected()
 
     @pytest.mark.timeout(CONNECT_TIMEOUT)
     def test_connect_wrong_ip_null(self, args):
@@ -83,7 +84,7 @@ class TestConnect:
         ip = ""
         with pytest.raises(Exception) as e:
             milvus = get_milvus(ip, args["port"], args["handler"])
-            assert not milvus.connected()
+            # assert not milvus.connected()
 
     def test_connect_uri(self, args):
         '''
@@ -93,7 +94,7 @@ class TestConnect:
         '''
         uri_value = "tcp://%s:%s" % (args["ip"], args["port"])
         milvus = get_milvus(args["ip"], args["port"], uri=uri_value, handler=args["handler"])
-        assert milvus.connected()
+        # assert milvus.connected()
 
     def test_connect_uri_null(self, args):
         '''
@@ -104,36 +105,36 @@ class TestConnect:
         uri_value = ""
         if self.local_ip(args):
             milvus = get_milvus(uri=uri_value, handler=args["handler"])
-            assert milvus.connected()
+            # assert milvus.connected()
         else:
             with pytest.raises(Exception) as e:
                 milvus = get_milvus(uri=uri_value, handler=args["handler"])
-                assert not milvus.connected()
+                # assert not milvus.connected()
 
     # disable
-    def _test_connect_with_multiprocess(self, args):
-        '''
-        target: test uri connect with multiprocess
-        method: set correct uri, test with multiprocessing connecting
-        expected: all connection is connected        
-        '''
-        uri_value = "tcp://%s:%s" % (args["ip"], args["port"])
-        process_num = 10
-        processes = []
+    # def _test_connect_with_multiprocess(self, args):
+    #     '''
+    #     target: test uri connect with multiprocess
+    #     method: set correct uri, test with multiprocessing connecting
+    #     expected: all connection is connected        
+    #     '''
+    #     uri_value = "tcp://%s:%s" % (args["ip"], args["port"])
+    #     process_num = 10
+    #     processes = []
 
-        def connect(milvus):
-            milvus.connect(uri=uri_value)
-            with pytest.raises(Exception) as e:
-                milvus.connect(uri=uri_value)
-            assert milvus.connected()
+    #     def connect(milvus):
+    #         milvus.connect(uri=uri_value)
+    #         with pytest.raises(Exception) as e:
+    #             milvus.connect(uri=uri_value)
+    #         # assert milvus.connected()
 
-        for i in range(process_num):
-            milvus = get_milvus(args["ip"], args["port"], args["handler"])
-            p = Process(target=connect, args=(milvus, ))
-            processes.append(p)
-            p.start()
-        for p in processes:
-            p.join()
+    #     for i in range(process_num):
+    #         milvus = get_milvus(args["ip"], args["port"], args["handler"])
+    #         p = Process(target=connect, args=(milvus, ))
+    #         processes.append(p)
+    #         p.start()
+    #     for p in processes:
+    #         p.join()
 
     def test_connect_repeatedly(self, args):
         '''
@@ -143,9 +144,10 @@ class TestConnect:
         '''
         uri_value = "tcp://%s:%s" % (args["ip"], args["port"])
         milvus = Milvus(uri=uri_value, handler=args["handler"])
-        milvus.connect(uri=uri_value, timeout=5)
-        milvus.connect(uri=uri_value, timeout=5)
-        assert milvus.connected()
+        # milvus.connect(uri=uri_value, timeout=5)
+        # milvus.connect(uri=uri_value, timeout=5)
+        milvus = Milvus(uri=uri_value, handler=args["handler"])
+        # assert milvus.connected()
 
     # def test_connect_disconnect_repeatedly_times(self, args):
     #     '''
@@ -160,43 +162,43 @@ class TestConnect:
     #         assert not milvus.connected()
 
     # TODO: enable
-    def _test_connect_disconnect_with_multiprocess(self, args):
-        '''
-        target: test uri connect and disconnect repeatly with multiprocess
-        method: set correct uri, test with multiprocessing connecting and disconnecting
-        expected: all connection is connected after 10 times operation       
-        '''
-        uri_value = "tcp://%s:%s" % (args["ip"], args["port"])
-        process_num = 4
-        processes = []
+    # def _test_connect_disconnect_with_multiprocess(self, args):
+    #     '''
+    #     target: test uri connect and disconnect repeatly with multiprocess
+    #     method: set correct uri, test with multiprocessing connecting and disconnecting
+    #     expected: all connection is connected after 10 times operation       
+    #     '''
+    #     uri_value = "tcp://%s:%s" % (args["ip"], args["port"])
+    #     process_num = 4
+    #     processes = []
 
-        def connect(milvus):
-            milvus.connect(uri=uri_value)
-            milvus.disconnect()
-            milvus.connect(uri=uri_value)
-            assert milvus.connected()
+    #     def connect(milvus):
+    #         milvus.connect(uri=uri_value)
+    #         milvus.disconnect()
+    #         milvus.connect(uri=uri_value)
+    #         assert milvus.connected()
 
-        for i in range(process_num):
-            milvus = get_milvus(args["ip"], args["port"], args["handler"])
-            p = Process(target=connect, args=(milvus, ))
-            processes.append(p)
-            p.start()
-        for p in processes:
-            p.join()
+    #     for i in range(process_num):
+    #         milvus = get_milvus(args["ip"], args["port"], args["handler"])
+    #         p = Process(target=connect, args=(milvus, ))
+    #         processes.append(p)
+    #         p.start()
+    #     for p in processes:
+    #         p.join()
 
     # Disable, (issue: https://github.com/milvus-io/milvus/issues/288)
-    def _test_connect_param_priority_both_hostip_uri(self, args):
-        '''
-        target: both host_ip_port / uri are both given, and not null, use the uri params
-        method: check if wrong uri connection is ok
-        expected: connect raise an exception and connected is false
-        '''
-        milvus = get_milvus(args["ip"], args["port"], args["handler"])
-        uri_value = "tcp://%s:%s" % (args["ip"], args["port"])
-        with pytest.raises(Exception) as e:
-            res = milvus.connect(host=args["ip"], port=39540, uri=uri_value, timeout=1)
-            logging.getLogger().info(res)
-        # assert not milvus.connected()
+    # def _test_connect_param_priority_both_hostip_uri(self, args):
+    #     '''
+    #     target: both host_ip_port / uri are both given, and not null, use the uri params
+    #     method: check if wrong uri connection is ok
+    #     expected: connect raise an exception and connected is false
+    #     '''
+    #     milvus = get_milvus(args["ip"], args["port"], args["handler"])
+    #     uri_value = "tcp://%s:%s" % (args["ip"], args["port"])
+    #     with pytest.raises(Exception) as e:
+    #         res = milvus.connect(host=args["ip"], port=39540, uri=uri_value, timeout=1)
+    #         logging.getLogger().info(res)
+    #     # assert not milvus.connected()
 
     def _test_add_vector_and_disconnect_concurrently(self):
         '''
@@ -250,7 +252,7 @@ class TestConnectIPInvalid(object):
         ip = get_invalid_ip
         with pytest.raises(Exception) as e:
             milvus = get_milvus(ip, args["port"], args["handler"])
-            assert not milvus.connected()
+            # assert not milvus.connected()
 
 
 class TestConnectPortInvalid(object):
@@ -276,7 +278,7 @@ class TestConnectPortInvalid(object):
         port = get_invalid_port
         with pytest.raises(Exception) as e:
             milvus = get_milvus(args["ip"], port, args["handler"])
-            assert not milvus.connected()
+            # assert not milvus.connected()
 
 
 class TestConnectURIInvalid(object):
@@ -301,4 +303,4 @@ class TestConnectURIInvalid(object):
         uri_value = get_invalid_uri
         with pytest.raises(Exception) as e:
             milvus = get_milvus(uri=uri_value, handler=args["handler"])
-            assert not milvus.connected()
+            # assert not milvus.connected()
diff --git a/tests/milvus_python_test/test_mix.py b/tests/milvus_python_test/test_mix.py
index 29fbf9f420..9bd475ca1c 100644
--- a/tests/milvus_python_test/test_mix.py
+++ b/tests/milvus_python_test/test_mix.py
@@ -34,7 +34,7 @@ class TestMixBase:
         uri = "tcp://%s:%s" % (args["ip"], args["port"])
         id_0 = 0; id_1 = 0
         milvus_instance = get_milvus(args["handler"])
-        milvus_instance.connect(uri=uri)
+        # milvus_instance.connect(uri=uri)
         milvus_instance.create_collection({'collection_name': collection,
              'dimension': dim,
              'index_file_size': index_file_size,
@@ -62,11 +62,11 @@ class TestMixBase:
                 assert result[0][0].id == id_0
                 assert result[1][0].id == id_1
         milvus_instance = get_milvus(args["handler"])
-        milvus_instance.connect(uri=uri)
+        # milvus_instance.connect(uri=uri)
         p_search = Process(target=search, args=(milvus_instance, ))
         p_search.start()
         milvus_instance = get_milvus(args["handler"])
-        milvus_instance.connect(uri=uri)
+        # milvus_instance.connect(uri=uri)
         p_create = Process(target=add_vectors, args=(milvus_instance, ))
         p_create.start()
         p_create.join()
diff --git a/tests/milvus_python_test/test_ping.py b/tests/milvus_python_test/test_ping.py
index 4ffcc954be..f1addb7ef1 100644
--- a/tests/milvus_python_test/test_ping.py
+++ b/tests/milvus_python_test/test_ping.py
@@ -50,7 +50,8 @@ class TestPing:
         # assert msg == __version__
 
     def test_connected(self, connect):
-        assert connect.connected()
+        # assert connect.connected()
+        assert connect
 
 
 # class TestPingDisconnect: