IndexError: list index out of range

[momoruimh]

C:\Users\888\miniconda3\python.exe "D:\Python Project\SubtitleTranslator\main.py" 
Traceback (most recent call last):
  File "D:\Python Project\SubtitleTranslator\main.py", line 24, in <module>
    translateSubtitles(fileList)
  File "D:\Python Project\SubtitleTranslator\main.py", line 18, in translateSubtitles
    translate_and_compose(f, of, 'en', 'zh-CN',encoding='gb18030')
  File "D:\Python Project\SubtitleTranslator\utils\utils.py", line 112, in translate_and_compose
    translated_list = translate_srt(subtitle, src_lang, target_lang, space=space)
  File "D:\Python Project\SubtitleTranslator\utils\utils.py", line 70, in translate_srt
    dialog_list = sen_list2dialog_list(translated_sen_list, mass_list, space, cn=True)
  File "D:\Python Project\SubtitleTranslator\utils\util_srt.py", line 165, in sen_list2dialog_list
    origin_len = record[-1][1]
IndexError: list index out of range