diff --git a/api/core/model_runtime/model_providers/__base/tokenizers/gpt2_tokenzier.py b/api/core/model_runtime/model_providers/__base/tokenizers/gpt2_tokenzier.py
index 2f6f4fbbef..5aeb25c6f2 100644
--- a/api/core/model_runtime/model_providers/__base/tokenizers/gpt2_tokenzier.py
+++ b/api/core/model_runtime/model_providers/__base/tokenizers/gpt2_tokenzier.py
@@ -25,7 +25,8 @@ class GPT2Tokenizer:
         # future = _executor.submit(GPT2Tokenizer._get_num_tokens_by_gpt2, text)
         # result = future.result()
         # return cast(int, result)
-        return GPT2Tokenizer._get_num_tokens_by_gpt2(text)
+        # return GPT2Tokenizer._get_num_tokens_by_gpt2(text)
+        return 0
 
     @staticmethod
     def get_encoder() -> Any: