更新运行时文件名

def change_meta(version, date):

    with open(filename, "r", encoding="utf-8") as f1:

        with open(f"{filename}.bak", "w", encoding="utf-8") as f2:

        with open(f"{filename}.part", "w", encoding="utf-8") as f2:

            for line in f1:

                if "Southern University of Science and Technology Thesis Template" in line:

                    print(line)

                else:

                    f2.write(line)

    os.remove(filename)

    os.rename(f"{filename}.bak", filename)

    os.rename(f"{filename}.part", filename)

def get_meta():