1.Fixed module error in Python3.6 of a lower version `from typing import Literal`.
2.Fixed parameter error in the calling log method procedure in Python3.6 of a lower version.
3.Improved the format of parameter comments for the function `__init__`, which now looks cleaner and nicer.
4.Fixed reference error for the logging method `exception`.
5.Automatically clears null characters at both ends of the log string. (Correctness of practice to be determined)