字符编码错误:
https://blog.csdn.net/weixin_42426496/article/details/81102665
https://blog.csdn.net/qq_42063091/article/details/82425233
nltk-data相关错误:
https://stackoverflow.com/questions/54659466/nltk-hook-unable-to-find-nltk-data
maximum recursion depth exceeded错误:
https://blog.csdn.net/lucyTheSlayer/article/details/81030840