训练的时候出现这个错误

[Wud1]

building word index...
target vocabulary file has already existed, continue to next stage.
loading word embedding, it will take few minutes...
Traceback (most recent call last):
File "C:/Users/Chenxinliang/Desktop/NER-master/rnn.py", line 153, in
embedding = load_word2vec_embedding(vocab_size)
File "C:\Users\Chenxinliang\Desktop\NER-master\utils.py", line 256, in load_word2vec_embedding
for index, line in enumerate(f):
UnicodeDecodeError: 'gbk' codec can't decode byte 0xb4 in position 7570: illegal multibyte sequence