UnicodeDecodeError: 'utf-8' codec can't decode byte 0x93 in position 9: invalid start byte

 f = open(file_path, 'r'，encoding='utf-8)

代码一直报错误：UnicodeDecodeError: ‘utf-8’ codec can’t decode byte 0x93 in position 9: invalid start byte，应该是编码方式不对，最后修改为以二进制方式读取才算解决：

 f = open(file_path, 'rb')