diff --git a/fed/cleanup.py b/fed/cleanup.py
index 6b974f8..811f21a 100644
--- a/fed/cleanup.py
+++ b/fed/cleanup.py
@@ -151,7 +151,7 @@ def _process_data_sending_task_return(self, message):
         try:
             res = ray.get(obj_ref)
         except Exception as e:
-            logger.warn(f'Failed to ??? send {obj_ref} to {dest_party}, error: {e},'
+            logger.warn(f'Failed to send {obj_ref} to {dest_party}, error: {e},'
                         f'upstream_seq_id: {upstream_seq_id}, '
                         f'downstream_seq_id: {downstream_seq_id}.')
             if (isinstance(e, RayError)):
diff --git a/fed/tests/test_listening_address.py b/fed/tests/test_listening_address.py
index a6f2532..a278722 100644
--- a/fed/tests/test_listening_address.py
+++ b/fed/tests/test_listening_address.py
@@ -26,12 +26,12 @@ def _run(party):
     compatible_utils.init_ray(address='local')
     occupied_port = 11020
     # NOTE(NKcqx): Firstly try to bind IPv6 because the grpc server will do so.
-    # Otherwise this UT will false because socket bind $occupied_port
-    # on IPv4 address while grpc server listendn Ipv6 address.
+    # Otherwise this UT will fail because socket bind $occupied_port
+    # on IPv4 address while grpc server listened on the Ipv6 address.
     try:
         s = socket.socket(socket.AF_INET6, socket.SOCK_STREAM)
-        # Pre-occuping the port
-        s.bind(("::", occupied_port))
+        # Pre-occuping the port using local address
+        s.bind(("::1", occupied_port))
     except OSError:
         s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
         s.bind(("127.0.0.1", occupied_port))
@@ -63,7 +63,6 @@ def test_listen_used_address():
 
 
 if __name__ == "__main__":
-    # import sys
+    import sys
 
-    # sys.exit(pytest.main(["-sv", __file__]))
-    test_listen_used_address()
+    sys.exit(pytest.main(["-sv", __file__]))