diff --git a/EduNLP/SIF/tokenization/text/tokenization.py b/EduNLP/SIF/tokenization/text/tokenization.py
index 8ca52a1e..1ab9356e 100644
--- a/EduNLP/SIF/tokenization/text/tokenization.py
+++ b/EduNLP/SIF/tokenization/text/tokenization.py
@@ -103,8 +103,7 @@ def tokenize(text,
             tokenizer.load(bpe_json, pretty=True)
         except LookupError:
             if (bpe_trainfile is None):
-                raise LookupError("bpe train file not found, using %s." %
-                              bpe_trainfile)
+                raise LookupError("bpe train file not found, using %s." %bpe_trainfile)
             trainer = BpeTrainer(
                 special_tokens=["[UNK]", "[CLS]", "[SEP]", "[PAD]", "[MASK]"])
             tokenizer.train(files=[bpe_trainfile], trainer=trainer)
diff --git a/tests/test_tokenizer/test_tokenizer.py b/tests/test_tokenizer/test_tokenizer.py
index c1f8c698..7d254db7 100644
--- a/tests/test_tokenizer/test_tokenizer.py
+++ b/tests/test_tokenizer/test_tokenizer.py
@@ -61,11 +61,12 @@ def test_Tokenizer():
     ]
     for tok in ['nltk', 'spacy']:
         tokenizer = get_tokenizer("pure_text",
-                                  text_params={"tokenizer": tok, "stop_words":set(",?")})
+                                  text_params={"tokenizer": tok, "stopwords": set(",?")})
         tokens = tokenizer(items)
         ret = next(tokens)
         assert ret == ans
 
+
 def test_TokenizerBPE():
     items = ['The stationery store has $600$ exercise books, and after selling some,\
         there are still $4$ packs left, $25$ each, how many are sold?']
@@ -79,11 +80,14 @@ def test_TokenizerBPE():
          ' ', 'are', ' ', 's', 'o', 'l', 'd']
     ]
     tokenizer = get_tokenizer("pure_text",
-                                text_params={"tokenizer": 'bpe', "bpe_trainfile":"../../static/test_data/standard_luna_data.json", "stop_words":set(",?")})
+                             text_params={"tokenizer": 'bpe',
+                             "bpe_trainfile": "../../static/test_data/standard_luna_data.json",
+                             "stopwords": set(",?")})
     tokens = tokenizer(items)
     ret = next(tokens)
     assert ret == ans
 
+
 def test_SpaceTokenizer():
     items = ['文具店有 $600$ 本练习本，卖出一些后，还剩 $4$ 包，每包 $25$ 本，卖出多少本？']
     tokenizer = get_tokenizer("space", stop_words=[])