docs: Added description of the default format value for markdownRender in chat

content/plus/chat/index-en-US.md

@@ -13,7 +13,7 @@ showNew: true
 
 The `Chat` component can be used in scenarios such as regular conversations or AI conversations.
 
-The rendering of the conversation content is based on the MarkdownRender component, which supports Markdown and MDX. It allows for common rich text features such as images, tables, links, bold text, code blocks, and more. More complex and customized document writing and display requirements can be achieved using JSX.
+The rendering of the conversation content is based on the [MarkdownRender](/en-US/plus/markdownrender) component, which supports Markdown and MDX (Note: The default format mode of MarkdownRender in Chat is md. If you need to use MDX format, you can set it through the markdownRenderProps API). It allows for common rich text features such as images, tables, links, bold text, code blocks, and more. More complex and customized document writing and display requirements can be achieved using JSX.
 
 ## Demos
 
@@ -1618,7 +1618,7 @@ render(DefaultChat);
 | inputBoxStyle | Input box style | CSSProperties | - |
 | inputBoxCls | Input box className | string | - |
 | sendHotKey | Keyboard shortcut for sending content, supports `enter` \| `shift+enter`. The former will send the message in the input box when you press enter alone. When the shift and enter keys are pressed at the same time, it will only wrap the line and not send it. The latter is the opposite | string | `enter` |
-| markdownRenderProps | This parameter will be passed to the MarkdownRender component used for dialog rendering. For details, see [MarkdownRenderProps](/en-US/plus/markdownrender#API)| MarkdownRenderProps |-|
+| markdownRenderProps | This parameter will be passed to the MarkdownRender component used for dialog rendering. For details, see [MarkdownRenderProps](/en-US/plus/markdownrender#API). The default format of markdownRender in Chat is md. If you need to use mdx format, you can set it through this parameter| MarkdownRenderProps |-|
 | mode | Conversation mode, support `bubble` \| `noBubble` \| `userBubble`  | string | `bubble` |
 | roleConfig | Role information configuration, see [RoleConfig](#RoleConfig) | RoleConfig | - |
 | renderDivider | Custom render divider, supported since v2.67.0 | (message?: Message) => ReactNode | - |

content/plus/chat/index.md

@@ -13,7 +13,7 @@ showNew: true
 
 Chat 组件可用于普通会话，AI 会话等场景。
 
-对话内容渲染基于 MarkdownRender 组件，支持 Markdown 和 MDX，可实现图片，表格，链接，加粗，代码区等常用富文本功能。也可通过 JSX 实现更加复杂定制化的文档撰写与展示需求。
+对话内容渲染基于 [MarkdownRender](/zh-CN/plus/markdownrender) 组件，支持 Markdown 和 MDX (注：Chat 中的 MarkdownRender 的默认 format 模式是 md，如果需要使用 MDX 格式，可通过 markdownRenderProps API 设置)，可实现图片，表格，链接，加粗，代码区等常用富文本功能。也可通过 JSX 实现更加复杂定制化的文档撰写与展示需求。
 
 
 ## 代码演示
@@ -1621,7 +1621,7 @@ render(DefaultChat);
 | inputBoxStyle | 输入框样式 | CSSProperties | - |
 | inputBoxCls | 输入框类名 | string | - |
 | sendHotKey | 发送输入内容的键盘快捷键，支持 `enter` \| `shift+enter`。前者在单独按下 enter 将发送输入框中的消息， shift 和 enter 按键同时按下时，仅换行，不发送。后者相反 | string | `enter` |
-| markdownRenderProps | 该参数将透传给对话框渲染所用的 MarkdownRender 组件，详见 [MarkdownRenderProps](/zh-CN/plus/markdownrender#API)| MarkdownRenderProps |-|
+| markdownRenderProps | 该参数将透传给对话框渲染所用的 MarkdownRender 组件，详见 [MarkdownRenderProps](/zh-CN/plus/markdownrender#API)，Chat 中的 markdownRender 默认 format 为 md ，如果需要使用 mdx 格式，可通过此参数设置 | MarkdownRenderProps |-|
 | mode | 对话模式，支持 `bubble` \| `noBubble` \| `userBubble`  | string | `bubble` |
 | roleConfig | 角色信息配置，具体见 [RoleConfig](#RoleConfig) | RoleConfig | - |
 | renderDivider | 自定义渲染分割线, 自 v2.67.0 支持 | (message?: Message) => ReactNode | - |