Update README.md (#2487)

zhifu gao

2025-04-22 2c2fb5e1eb1185a081e3507c2aa5c3aafaa2bb6d

 funasr/tokenizer/sentencepiece_tokenizer.py

@@ -49,3 +49,9 @@

    def get_vocab_size(self):
        return self.sp.GetPieceSize()

    def ids2tokens(self, *args, **kwargs):
        return self.decode(*args, **kwargs)

    def tokens2ids(self, *args, **kwargs):
        return self.encode(*args, **kwargs)