def METHOD_NAME():
    try:
        color_er = gr.themes.utils.colors.fuchsia
        set_theme = gr.themes.Default(
            primary_hue=gr.themes.utils.colors.orange,
            neutral_hue=gr.themes.utils.colors.gray,
            font=["Helvetica", "Microsoft YaHei", "ui-sans-serif", "sans-serif", "system-ui"],
            font_mono=["ui-monospace", "Consolas", "monospace"])
        set_theme.set(
            # Colors
            input_background_fill_dark="*neutral_800",
            # Transition
            button_transition="none",
            # Shadows
            button_shadow="*shadow_drop",
            button_shadow_hover="*shadow_drop_lg",
            button_shadow_active="*shadow_inset",
            input_shadow="0 0 0 *shadow_spread transparent, *shadow_inset",
            input_shadow_focus="0 0 0 *shadow_spread *secondary_50, *shadow_inset",
            input_shadow_focus_dark="0 0 0 *shadow_spread *neutral_700, *shadow_inset",
            checkbox_label_shadow="*shadow_drop",
            block_shadow="*shadow_drop",
            form_gap_width="1px",
            # Button borders
            input_border_width="1px",
            input_background_fill="white",
            # Gradients
            stat_background_fill="linear-gradient(to right, *primary_400, *primary_200)",
            stat_background_fill_dark="linear-gradient(to right, *primary_400, *primary_600)",
            error_background_fill=f"linear-gradient(to right, {color_er.c100}, *background_fill_secondary)",
            error_background_fill_dark="*background_fill_primary",
            checkbox_label_background_fill="linear-gradient(to top, *neutral_50, white)",
            checkbox_label_background_fill_dark="linear-gradient(to top, *neutral_900, *neutral_800)",
            checkbox_label_background_fill_hover="linear-gradient(to top, *neutral_100, white)",
            checkbox_label_background_fill_hover_dark="linear-gradient(to top, *neutral_900, *neutral_800)",
            button_primary_background_fill="linear-gradient(to bottom right, *primary_100, *primary_300)",
            button_primary_background_fill_dark="linear-gradient(to bottom right, *primary_500, *primary_600)",
            button_primary_background_fill_hover="linear-gradient(to bottom right, *primary_100, *primary_200)",
            button_primary_background_fill_hover_dark="linear-gradient(to bottom right, *primary_500, *primary_500)",
            button_primary_border_color_dark="*primary_500",
            button_secondary_background_fill="linear-gradient(to bottom right, *neutral_100, *neutral_200)",
            button_secondary_background_fill_dark="linear-gradient(to bottom right, *neutral_600, *neutral_700)",
            button_secondary_background_fill_hover="linear-gradient(to bottom right, *neutral_100, *neutral_100)",
            button_secondary_background_fill_hover_dark="linear-gradient(to bottom right, *neutral_600, *neutral_600)",
            button_cancel_background_fill=f"linear-gradient(to bottom right, {color_er.c100}, {color_er.c200})",
            button_cancel_background_fill_dark=f"linear-gradient(to bottom right, {color_er.c600}, {color_er.c700})",
            button_cancel_background_fill_hover=f"linear-gradient(to bottom right, {color_er.c100}, {color_er.c100})",
            button_cancel_background_fill_hover_dark=f"linear-gradient(to bottom right, {color_er.c600}, {color_er.c600})",
            button_cancel_border_color=color_er.c200,
            button_cancel_border_color_dark=color_er.c600,
            button_cancel_text_color=color_er.c600,
            button_cancel_text_color_dark="white",
        )
        if LAYOUT=="TOP-DOWN": 
            js = ""
        else:
            with open('themes/common.js', 'r', encoding='utf8') as f: 
                js = f"<script>{f.read()}</script>"
        # 添加一个萌萌的看板娘
        if ADD_WAIFU:
            js += """
                <script src="file=docs/waifu_plugin/jquery.min.js"></script>
                <script src="file=docs/waifu_plugin/jquery-ui.min.js"></script>
                <script src="file=docs/waifu_plugin/autoload.js"></script>
            """
        gradio_original_template_fn = gr.routes.templates.TemplateResponse
        def gradio_new_template_fn(*args, **kwargs):
            res = gradio_original_template_fn(*args, **kwargs)
            res.body = res.body.replace(b'</html>', f'{js}</html>'.encode("utf8"))
            res.init_headers()
            return res
        gr.routes.templates.TemplateResponse = gradio_new_template_fn   # override gradio template
    except:
        set_theme = None
        print('gradio版本较旧, 不能自定义字体和颜色')
    return set_theme