Cherrypick 30071 (#30074)

* fix log test=release/2.0

* fix ut test=develop

python/paddle/distributed/fleet/launch_utils.py

@@ -472,8 +472,8 @@ def start_local_trainers(cluster,
                             pretty_print_envs(proc_env, ("Distributed Envs",
                                                          "Value"))))
             logger.info(
-                "details abouts PADDLE_TRAINER_ENDPOINTS can be found in {}/endpoints.log.".
-                format(log_dir))
+                "details abouts PADDLE_TRAINER_ENDPOINTS can be found in {}/endpoints.log, and detail running logs maybe found in {}/workerlog.0".
+                format(log_dir, log_dir))
         fn = None
         if log_dir is not None:
             os.system("mkdir -p {}".format(log_dir))