diff --git a/learnware/client/learnware_client.py b/learnware/client/learnware_client.py
index 2e040ec..26bd4d8 100644
--- a/learnware/client/learnware_client.py
+++ b/learnware/client/learnware_client.py
@@ -287,8 +287,8 @@ class LearnwareClient:
             learnware id or learnware id list
         runnable_option : str
             the option for instantiating learnwares
-            - "normal": instantiate learnware without installing environment
-            - "conda_env": instantiate learnware with installing conda virtual environment
+            - None: instantiate learnware without installing environment
+            - "conda": instantiate learnware with installing conda virtual environment
             - "docker": instantiate learnware with creating docker container
 
         Returns
@@ -296,10 +296,8 @@ class LearnwareClient:
         Learnware
             The contructed learnware object or object list
         """
-        if runnable_option is not None and runnable_option not in ["normal", "conda_env", "docker"]:
-            raise logger.warning(
-                f"runnable_option must be one of ['normal', 'conda_env', 'docker'], but got {runnable_option}"
-            )
+        if runnable_option is not None and runnable_option not in ["conda", "docker"]:
+            raise logger.warning(f"runnable_option must be one of ['conda', 'docker'], but got {runnable_option}")
 
         if learnware_path is None and learnware_id is None:
             raise ValueError("Requires one of learnware_path or learnware_id")
@@ -357,10 +355,7 @@ class LearnwareClient:
                 learnware_list.append(learnware_obj)
 
         if runnable_option is not None:
-            if runnable_option == "normal":
-                for i in range(len(learnware_list)):
-                    learnware_list[i].instantiate_model()
-            elif runnable_option == "conda_env":
+            if runnable_option == "conda":
                 with LearnwaresContainer(learnware_list, cleanup=False, mode="conda") as env_container:
                     learnware_list = env_container.get_learnwares_with_container()
             elif runnable_option == "docker":
diff --git a/tests/test_learnware_client/test_load_conda.py b/tests/test_learnware_client/test_load_conda.py
index d343201..7fe951c 100644
--- a/tests/test_learnware_client/test_load_conda.py
+++ b/tests/test_learnware_client/test_load_conda.py
@@ -28,8 +28,7 @@ class TestLearnwareLoad(unittest.TestCase):
             self.client.download_learnware(learnware_id, zip_path)
 
         learnware_list = [
-            self.client.load_learnware(learnware_path=zippath, runnable_option="conda_env")
-            for zippath in self.zip_paths
+            self.client.load_learnware(learnware_path=zippath, runnable_option="conda") for zippath in self.zip_paths
         ]
         reuser = AveragingReuser(learnware_list, mode="vote_by_label")
         input_array = np.random.random(size=(20, 13))
@@ -42,7 +41,7 @@ class TestLearnwareLoad(unittest.TestCase):
         for learnware_id, zip_path in zip(self.learnware_ids, self.zip_paths):
             self.client.download_learnware(learnware_id, zip_path)
 
-        learnware_list = self.client.load_learnware(learnware_path=self.zip_paths, runnable_option="conda_env")
+        learnware_list = self.client.load_learnware(learnware_path=self.zip_paths, runnable_option="conda")
         reuser = AveragingReuser(learnware_list, mode="vote_by_label")
         input_array = np.random.random(size=(20, 13))
         print(reuser.predict(input_array))
@@ -52,7 +51,7 @@ class TestLearnwareLoad(unittest.TestCase):
 
     def test_load_single_learnware_by_id(self):
         learnware_list = [
-            self.client.load_learnware(learnware_id=idx, runnable_option="conda_env") for idx in self.learnware_ids
+            self.client.load_learnware(learnware_id=idx, runnable_option="conda") for idx in self.learnware_ids
         ]
         reuser = AveragingReuser(learnware_list, mode="vote_by_label")
         input_array = np.random.random(size=(20, 13))
@@ -62,7 +61,7 @@ class TestLearnwareLoad(unittest.TestCase):
             print(learnware.id, learnware.predict(input_array))
 
     def test_load_multi_learnware_by_id(self):
-        learnware_list = self.client.load_learnware(learnware_id=self.learnware_ids, runnable_option="conda_env")
+        learnware_list = self.client.load_learnware(learnware_id=self.learnware_ids, runnable_option="conda")
         reuser = AveragingReuser(learnware_list, mode="vote_by_label")
         input_array = np.random.random(size=(20, 13))
         print(reuser.predict(input_array))
@@ -72,13 +71,13 @@ class TestLearnwareLoad(unittest.TestCase):
 
     def test_load_single_learnware_by_id_pip(self):
         learnware_id = "00000147"
-        learnware = self.client.load_learnware(learnware_id=learnware_id, runnable_option="conda_env")
+        learnware = self.client.load_learnware(learnware_id=learnware_id, runnable_option="conda")
         input_array = np.random.random(size=(20, 23))
         print(learnware.predict(input_array))
 
     def test_load_single_learnware_by_id_conda(self):
         learnware_id = "00000148"
-        learnware = self.client.load_learnware(learnware_id=learnware_id, runnable_option="conda_env")
+        learnware = self.client.load_learnware(learnware_id=learnware_id, runnable_option="conda")
         input_array = np.random.random(size=(20, 204))
         print(learnware.predict(input_array))