diff --git a/main.py b/main.py
index 3d322ec0..8de1cc2c 100644
--- a/main.py
+++ b/main.py
@@ -115,7 +115,12 @@ def main():
                     with gr.Row(elem_id="gpt-submit-row"):
                         multiplex_submit_btn = gr.Button("提交", elem_id="elem_submit_visible", variant="primary")
                         multiplex_sel = gr.Dropdown(
-                            choices=["常规对话", "多模型对话", "智能上下文", "智能召回 RAG"], value="常规对话",
+                            choices=[
+                                "常规对话", 
+                                "多模型对话", 
+                                # "智能上下文", 
+                                # "智能召回 RAG",
+                            ], value="常规对话",
                             interactive=True, label='', show_label=False,
                             elem_classes='normal_mut_select', elem_id="gpt-submit-dropdown").style(container=False)
                         submit_btn = gr.Button("提交", elem_id="elem_submit", variant="primary", visible=False)
diff --git a/themes/svg/arxiv-00aeff.svg b/themes/svg/arxiv.svg
similarity index 100%
rename from themes/svg/arxiv-00aeff.svg
rename to themes/svg/arxiv.svg
diff --git a/themes/svg/brain_map_00aeff.svg b/themes/svg/brain.svg
similarity index 100%
rename from themes/svg/brain_map_00aeff.svg
rename to themes/svg/brain.svg
diff --git a/themes/svg/Environmental Configuration Tutorial.svg b/themes/svg/conf.svg
similarity index 100%
rename from themes/svg/Environmental Configuration Tutorial.svg
rename to themes/svg/conf.svg
diff --git a/themes/svg/1.svg b/themes/svg/default.svg
similarity index 100%
rename from themes/svg/1.svg
rename to themes/svg/default.svg
diff --git a/themes/svg/document-00aeff.svg b/themes/svg/doc.svg
similarity index 100%
rename from themes/svg/document-00aeff.svg
rename to themes/svg/doc.svg
diff --git a/themes/svg/AIGC_ Image Generation_00aeff.svg b/themes/svg/img.svg
similarity index 100%
rename from themes/svg/AIGC_ Image Generation_00aeff.svg
rename to themes/svg/img.svg
diff --git a/themes/svg/Multimodal-00aeff.svg b/themes/svg/mm.svg
similarity index 100%
rename from themes/svg/Multimodal-00aeff.svg
rename to themes/svg/mm.svg
diff --git a/themes/svg/ic-polish.svg b/themes/svg/polish.svg
similarity index 100%
rename from themes/svg/ic-polish.svg
rename to themes/svg/polish.svg
diff --git a/themes/svg/MPIS-TTS-00aeff.svg b/themes/svg/tts.svg
similarity index 100%
rename from themes/svg/MPIS-TTS-00aeff.svg
rename to themes/svg/tts.svg
diff --git a/themes/svg/plane-terminal-00aeff.svg b/themes/svg/vt.svg
similarity index 100%
rename from themes/svg/plane-terminal-00aeff.svg
rename to themes/svg/vt.svg
diff --git a/themes/welcome.js b/themes/welcome.js
index 34ee46a8..feb40c0f 100644
--- a/themes/welcome.js
+++ b/themes/welcome.js
@@ -4,55 +4,61 @@ class WelcomeMessage {
             {
                 title: "环境配置教程",
                 content: "配置模型和插件，释放大语言模型的学术应用潜力。",
-                svg: "file=themes/svg/Environmental Configuration Tutorial.svg",
-                url: "https://github.com/binary-husky/gpt_academic",
+                svg: "file=themes/svg/conf.svg",
+                url: "https://github.com/binary-husky/gpt_academic/wiki/%E9%A1%B9%E7%9B%AE%E9%85%8D%E7%BD%AE%E8%AF%B4%E6%98%8E",
             },
             {
                 title: "Arxiv论文一键翻译",
                 content: "无缝切换学术阅读语言，最优英文转中文的学术论文阅读体验。",
-                svg: "file=themes/svg/arxiv-00aeff.svg",
-                url: "https://github.com/binary-husky/gpt_academic",
+                svg: "file=themes/svg/arxiv.svg",
+                url: "https://www.bilibili.com/video/BV1dz4y1v77A/",
             },
             {
                 title: "多模态模型",
                 content: "试试将截屏直接粘贴到输入框中，随后使用多模态模型提问。",
-                svg: "file=themes/svg/Multimodal-00aeff.svg",
+                svg: "file=themes/svg/mm.svg",
                 url: "https://github.com/binary-husky/gpt_academic",
             },
             {
                 title: "文档与源码批处理",
                 content: "您可以将任意文件拖入「此处」，随后调用对应插件功能。",
-                svg: "file=themes/svg/document-00aeff.svg",
+                svg: "file=themes/svg/doc.svg",
                 url: "https://github.com/binary-husky/gpt_academic",
             },
             {
                 title: "图表与脑图绘制",
                 content: "试试输入一段语料，然后点击「总结绘制脑图」。",
-                svg: "file=themes/svg/brain_map_00aeff.svg",
-                url: "https://github.com/binary-husky/gpt_academic",
+                svg: "file=themes/svg/brain.svg",
+                url: "https://www.bilibili.com/video/BV18c41147H9/",
             },
             {
                 title: "虚空终端",
                 content: "点击右侧插件区的「虚空终端」插件，然后直接输入您的想法。",
-                svg: "file=themes/svg/plane-terminal-00aeff.svg",
+                svg: "file=themes/svg/vt.svg",
                 url: "https://github.com/binary-husky/gpt_academic",
             },
             {
                 title: "DALLE图像生成",
                 content: "接入DALLE生成插画或者项目Logo，辅助头脑风暴并激发灵感。",
-                svg: "file=themes/svg/AIGC_ Image Generation_00aeff.svg",
+                svg: "file=themes/svg/img.svg",
                 url: "https://github.com/binary-husky/gpt_academic",
             },
             {
                 title: "TTS语音克隆",
                 content: "借助SoVits，以您喜爱的角色的声音回答问题。",
-                svg: "file=themes/svg/MPIS-TTS-00aeff.svg",
-                url: "https://github.com/binary-husky/gpt_academic",
+                svg: "file=themes/svg/tts.svg",
+                url: "https://www.bilibili.com/video/BV1Rp421S7tF/",
             },
             {
-                title: "中英文论文Latex全文润色",
-                content: "上传待润色latex源码，让大语言模型帮您改论文。",
-                svg: "file=themes/svg/ic-polish.svg",
+                title: "实时语音对话",
+                content: "配置实时语音对话功能，无须任何激活词，我将一直倾听。",
+                svg: "file=themes/svg/default.svg",
+                url: "https://github.com/binary-husky/gpt_academic/blob/master/docs/use_audio.md",
+            },
+            {
+                title: "Latex全文润色",
+                content: "上传需要润色的latex论文，让大语言模型帮您改论文。",
+                svg: "file=themes/svg/polish.svg",
                 url: "https://github.com/binary-husky/gpt_academic",
             }
         ];