diff --git a/learnware/client/container.py b/learnware/client/container.py
index 6d67e0e..acc1499 100644
--- a/learnware/client/container.py
+++ b/learnware/client/container.py
@@ -556,11 +556,6 @@ class LearnwaresContainer:
                 f"{len(self.learnware_list) - sum(results)} of {len(self.learnware_list)} learnwares init failed! This learnware will be ignored"
             )
 
-        # if not self.cleanup and self.mode == "docker":
-        #     _model_docker_container = self.learnware_containers[0].get_model()
-        #     _model_docker_container.cleanup_flag = True
-        #     atexit.register(_model_docker_container.remove_env)
-
         return self
 
     def __exit__(self, exc_type, exc_val, exc_tb):
diff --git a/learnware/client/learnware_client.py b/learnware/client/learnware_client.py
index a5d20b3..aa95e7d 100644
--- a/learnware/client/learnware_client.py
+++ b/learnware/client/learnware_client.py
@@ -316,7 +316,7 @@ class LearnwareClient:
             tempdir = self.tempdir_list[-1].name
             zip_path = os.path.join(tempdir, f"{str(uuid.uuid4())}.zip")
             self.download_learnware(_learnware_id, zip_path)
-            return zip_path, _get_learnware_by_path(zip_path, tempdir=tempdir)
+            return _get_learnware_by_path(zip_path, tempdir=tempdir)
 
         def _get_learnware_by_path(_learnware_zippath, tempdir=None):
             if tempdir is None:
@@ -346,16 +346,13 @@ class LearnwareClient:
             return learnware.get_learnware_from_dirpath(learnware_id, semantic_specification, tempdir)
 
         learnware_list = []
-        zip_paths = []
         if learnware_path is not None:
-            if isinstance(learnware_path, str):
-                zip_paths = [learnware_path]
-            elif isinstance(learnware_path, list):
-                zip_paths = learnware_path
+            zip_paths = [learnware_path] if isinstance(learnware_path, str) else learnware_path
 
             for zip_path in zip_paths:
                 learnware_obj = _get_learnware_by_path(zip_path)
                 learnware_list.append(learnware_obj)
+
         elif learnware_id is not None:
             if isinstance(learnware_id, str):
                 id_list = [learnware_id]
@@ -363,8 +360,7 @@ class LearnwareClient:
                 id_list = learnware_id
 
             for idx in id_list:
-                zip_path, learnware_obj = _get_learnware_by_id(idx)
-                zip_paths.append(zip_path)
+                learnware_obj = _get_learnware_by_id(idx)
                 learnware_list.append(learnware_obj)
 
         if runnable_option is not None:
diff --git a/learnware/client/utils.py b/learnware/client/utils.py
index bb7b16f..fff1475 100644
--- a/learnware/client/utils.py
+++ b/learnware/client/utils.py
@@ -20,6 +20,7 @@ def system_execute(args, timeout=None):
 
 def remove_enviroment(conda_env):
     system_execute(args=["conda", "env", "remove", "-n", f"{conda_env}"])
+    logger.info(f"The learnware conda env [{conda_env}] is removed.")
 
 
 def install_environment(learnware_dirpath, conda_env):