diff --git a/README.md b/README.md
index 2eb81da..e37885c 100644
--- a/README.md
+++ b/README.md
@@ -69,10 +69,11 @@ huggingface免科学上网[在线体验](https://huggingface.co/spaces/qingxu98/
 
 - 如果输出包含公式，会同时以tex形式和渲染形式显示，方便复制和阅读
 <div align="center">
-<img src="img/demo.jpg" width="500" >
+<img src="https://user-images.githubusercontent.com/96192199/230598842-1d7fcddd-815d-40ee-af60-baf488a199df.png" width="700" >
 </div>
 
 
+
 - 懒得看项目代码？整个工程直接给chatgpt炫嘴里
 <div align="center">
 <img src="https://user-images.githubusercontent.com/96192199/226935232-6b6a73ce-8900-4aee-93f9-733c7e6fef53.png" width="700" >
diff --git a/toolbox.py b/toolbox.py
index 75cc847..341d9e7 100644
--- a/toolbox.py
+++ b/toolbox.py
@@ -224,7 +224,7 @@ def markdown_convertion(txt):
             content = content.replace('\n', '</br>')
             return f"<font color=\"#00FF00\">$$</font><font color=\"#FF00FF\">{content}</font><font color=\"#00FF00\">$$</font>"
         else:
-            return f"<font color=\"#00FF00\">$</font><font color=\"#FF00FF\">${content}</font><font color=\"#00FF00\">$</font>"
+            return f"<font color=\"#00FF00\">$</font><font color=\"#FF00FF\">{content}</font><font color=\"#00FF00\">$</font>"
 
     def replace_math_render(match):
         content = match.group(1)
@@ -237,10 +237,21 @@ def markdown_convertion(txt):
             return content
         else:
             return tex2mathml_catch_exception(content)
+        
+    def markdown_bug_hunt(content):
+        """
+        解决一个mdx_math的bug（单$包裹begin命令时多余<script>）
+        """
+        content = content.replace('<script type="math/tex">\n<script type="math/tex; mode=display">', '<script type="math/tex; mode=display">')
+        content = content.replace('</script>\n</script>', '</script>')
+        return content
+    
+
     if ('$' in txt) and ('```' not in txt):  # 有$标识的公式符号，且没有代码段```的标识
         # convert everything to html format
         split = markdown.markdown(text='---')
-        convert_stage_1 = markdown.markdown(text=txt, extensions=['mdx_math', 'fenced_code', 'tables'], extension_configs=markdown_extension_configs)
+        convert_stage_1 = markdown.markdown(text=txt, extensions=['mdx_math', 'fenced_code', 'tables', 'sane_lists'], extension_configs=markdown_extension_configs)
+        convert_stage_1 = markdown_bug_hunt(convert_stage_1)
         # re.DOTALL: Make the '.' special character match any character at all, including a newline; without this flag, '.' will match anything except a newline. Corresponds to the inline flag (?s).
         # 1. convert to easy-to-copy tex (do not render math)
         convert_stage_2_1, n = re.subn(find_equation_pattern, replace_math_no_render, convert_stage_1, flags=re.DOTALL)
@@ -249,7 +260,7 @@ def markdown_convertion(txt):
         # cat them together
         return pre + convert_stage_2_1 + f'{split}' + convert_stage_2_2 + suf
     else:
-        return pre + markdown.markdown(txt, extensions=['fenced_code', 'tables']) + suf
+        return pre + markdown.markdown(txt, extensions=['fenced_code', 'tables', 'sane_lists']) + suf
 
 
 def close_up_code_segment_during_stream(gpt_reply):