diff --git a/ov_infer.py b/ov_infer.py
index df37689..967706a 100644
--- a/ov_infer.py
+++ b/ov_infer.py
@@ -12,7 +12,7 @@
 import numpy as np
 from pathlib import Path
 from typing import List, Union, Tuple
-import openvino_tokenizers 
+import openvino_tokenizers  # Required to register SentencepieceDetokenizer operation for OpenVINO 
 
 from funasr_onnx.utils.utils import (
     # CharTokenizer,
@@ -244,7 +244,7 @@ def infer(
         language: np.ndarray,
         textnorm: np.ndarray,
     ) -> Tuple[np.ndarray, np.ndarray]:
-        self.infer_reqeust.infer({"speech":feats, "speech_lengths":feats_len, "language":language,"textnorm":textnorm})
+        self.infer_reqeust.infer([feats, feats_len, language, textnorm])
         ctc_logits = self.infer_reqeust.get_tensor('ctc_logits').data.copy()
         encoder_out_lens = self.infer_reqeust.get_tensor('encoder_out_lens').data.copy()
         return ctc_logits, encoder_out_lens