def read_config(path=None):
    if not path:
        path = path_config
    # notepad手动编辑toml文件, notepad默认编码"utf-8", open函数需指定encoding="utf-8", 内容均为字符串
    # tomlkit.dumps函数生成的toml文件的默认编码"gbk", open函数默认encoding='gbk'
    # str 转 tomlkit.toml_document.TOMLDocument 转 dict
    # open().read()只能使用一次, 除非f.seek(0)将句柄放回文件的开头
    with open(path, "r", encoding="utf-8") as f:
        doc_config = tomlkit.parse(f.read())
        dic_config = dict(doc_config)
    print("已读取配置表:", dic_config)
    return dic_config