diff --git a/modules/data/bert_data.py b/modules/data/bert_data.py
index 347b2ec..1b0ed0d 100644
--- a/modules/data/bert_data.py
+++ b/modules/data/bert_data.py
@@ -6,6 +6,7 @@
 from tqdm import tqdm
 from modules.utils import read_json, save_json
 import logging
+import os
 
 
 class InputFeatures(object):
@@ -448,12 +449,12 @@ def create(cls,
         meta2idx = None
         cls2idx = None
 
-        if idx2label is None and idx2label_path is not None:
+        if idx2label is None and os.path.exists(str(idx2label_path)):
             idx2label = read_json(idx2label_path)
-        if is_meta and idx2meta is None and idx2meta_path is not None:
+        if is_meta and idx2meta is None and os.path.exists(str(idx2meta_path)):
             idx2meta = read_json(idx2meta_path)
             meta2idx = {label: idx for idx, label in enumerate(idx2meta)}
-        if is_cls and idx2cls is None and idx2cls_path is not None:
+        if is_cls and idx2cls is None and os.path.exists(str(idx2cls_path)):
             idx2cls = read_json(idx2cls_path)
             cls2idx = {label: idx for idx, label in enumerate(idx2cls)}
         label2idx = {label: idx for idx, label in enumerate(idx2label)}