diff --git a/learnware/market/heterogeneous/organizer/hetero_map/feature_extractor.py b/learnware/market/heterogeneous/organizer/hetero_map/feature_extractor.py
index 169fcf7..d98bd2e 100644
--- a/learnware/market/heterogeneous/organizer/hetero_map/feature_extractor.py
+++ b/learnware/market/heterogeneous/organizer/hetero_map/feature_extractor.py
@@ -120,7 +120,6 @@ class FeatureTokenizer:
             Whether to disable tokenizer parallelism, by default True.
         """
         cache_dir = conf.cache_path
-        os.makedirs(cache_dir, exist_ok=True)
         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