diff --git a/modelscope/utils/constant.py b/modelscope/utils/constant.py
index 538aa3db..1d1c95ae 100644
--- a/modelscope/utils/constant.py
+++ b/modelscope/utils/constant.py
@@ -201,6 +201,8 @@ class ModelFile(object):
     TF_CKPT_PREFIX = 'ckpt-'
     TORCH_MODEL_FILE = 'pytorch_model.pt'
     TORCH_MODEL_BIN_FILE = 'pytorch_model.bin'
+    VOCAB_FILE = 'vocab.txt'
+    ONNX_MODEL_FILE = 'model.onnx'
     LABEL_MAPPING = 'label_mapping.json'