建议增加默认字体在组件目录下，防止出现不同系统字体找不到

[clhui]

    @staticmethod
    def get_font(font_size, font_path=None):
        if font_path is None:
            font_path = str(Path(os.path.join(RESOURCES_DIR, 'DejaVuSans-Bold.ttf')))
        return ImageFont.truetype(font_path, font_size)