diff --git a/learnware/market/heterogeneous/organizer/__init__.py b/learnware/market/heterogeneous/organizer/__init__.py
index f5dfd4e..76879bb 100644
--- a/learnware/market/heterogeneous/organizer/__init__.py
+++ b/learnware/market/heterogeneous/organizer/__init__.py
@@ -45,7 +45,7 @@ class HeteroMapTableOrganizer(EasyOrganizer):
                     self._update_learnware_by_ids(self.get_learnware_ids(check_status=BaseChecker.USABLE_LEARWARE))
         else:
             logger.warning(f"No market mapping to reload!")
-            self.market_mapping = HeteroMap()
+            self.market_mapping = HeteroMap(cache_dir=hetero_folder_path)
 
     def reset(self, market_id=None, auto_update=False, auto_update_limit=100, **training_args):
         self.market_id = market_id
diff --git a/learnware/market/heterogeneous/organizer/hetero_map/feature_extractor.py b/learnware/market/heterogeneous/organizer/hetero_map/feature_extractor.py
index e47d702..89105c0 100644
--- a/learnware/market/heterogeneous/organizer/hetero_map/feature_extractor.py
+++ b/learnware/market/heterogeneous/organizer/hetero_map/feature_extractor.py
@@ -65,12 +65,13 @@ class FeatureTokenizer:
     def __init__(
         self,
         disable_tokenizer_parallel=True,
+        cache_dir=None,
         **kwargs,
     ):
         """args:
         disable_tokenizer_parallel: true if use extractor for collator function in torch.DataLoader
         """
-        self.tokenizer = BertTokenizerFast.from_pretrained("bert-base-uncased")
+        self.tokenizer = BertTokenizerFast.from_pretrained("bert-base-uncased", cache_dir=cache_dir)
         self.tokenizer.__dict__["model_max_length"] = 512
         if disable_tokenizer_parallel:  # disable tokenizer parallel
             os.environ["TOKENIZERS_PARALLELISM"] = "false"
@@ -96,9 +97,7 @@ class FeatureTokenizer:
         """
         encoded_inputs = {
             "x_num": None,
-            "num_col_input_ids": None,
-            "x_cat_input_ids": None,
-            "x_bin_input_ids": None,
+            "num_col_input_ids": None
         }
         num_cols = x.columns.tolist() if not shuffle else np.random.shuffle(x.columns.tolist())
         x_num = x[num_cols].fillna(0)
diff --git a/tests/test_hetero_market/test_hetero.py b/tests/test_hetero_market/test_hetero.py
index aa3c7a0..3a55ca7 100644
--- a/tests/test_hetero_market/test_hetero.py
+++ b/tests/test_hetero_market/test_hetero.py
@@ -164,7 +164,7 @@ class TestMarket(unittest.TestCase):
         hetero_market = self._init_learnware_market()
         self.test_prepare_learnware_randomly(learnware_num)
         self.learnware_num = learnware_num
-        hetero_market.learnware_organizer.reset(auto_update=True, auto_update_limit=learnware_num)
+        hetero_market.learnware_organizer.reset(auto_update=False, auto_update_limit=learnware_num)
 
         print("Total Item:", len(hetero_market))
         assert len(hetero_market) == 0, f"The market should be empty!"
@@ -303,7 +303,7 @@ class TestMarket(unittest.TestCase):
             semantic_spec["Input"] = copy.deepcopy(input_description_list[idx % 2])
             semantic_spec["Input"]["Dimension"] = user_dim - 2
             semantic_spec["Input"]["Description"] = {
-                "key": semantic_spec["Input"]["Description"][str(key)] for key in range(user_dim)
+                str(key): semantic_spec["Input"]["Description"][str(key)] for key in range(user_dim)
             }
 
             user_info = BaseUserInfo(semantic_spec=semantic_spec, stat_info={"RKMETableSpecification": user_spec})