diff --git a/packages/common b/packages/common
index 21e056075..d73d63dcb 160000
--- a/packages/common
+++ b/packages/common
@@ -1 +1 @@
-Subproject commit 21e0560751ba680188fc0f97aa8bf79835990084
+Subproject commit d73d63dcbf9202b83798ca84f09c89672e660b74
diff --git a/packages/pro-components/chat/chat-content/chat-content.json b/packages/pro-components/chat/chat-content/chat-content.json
index e4071fdd8..c7ef469b2 100644
--- a/packages/pro-components/chat/chat-content/chat-content.json
+++ b/packages/pro-components/chat/chat-content/chat-content.json
@@ -1,7 +1,12 @@
 {
   "component": true,
   "styleIsolation": "apply-shared",
+  "componentGenerics": {
+    "tail-component": {
+      "default": "tdesign-miniprogram/chat-markdown/chat-markdown-tail/chat-markdown-tail"
+    }
+  },
   "usingComponents": {
     "t-chat-markdown": "tdesign-miniprogram/chat-markdown/chat-markdown"
   }
-}
+}
\ No newline at end of file
diff --git a/packages/pro-components/chat/chat-content/chat-content.wxml b/packages/pro-components/chat/chat-content/chat-content.wxml
index a2463c9d1..18ddf2917 100644
--- a/packages/pro-components/chat/chat-content/chat-content.wxml
+++ b/packages/pro-components/chat/chat-content/chat-content.wxml
@@ -10,7 +10,13 @@
   </block>
   <block wx:else>
     <view class="{{classPrefix}}__assistant">
-      <t-chat-markdown content="{{textInfo}}" options="{{markdownProps && markdownProps.options}}" bindclick="onMarkdownClick"></t-chat-markdown>
+      <t-chat-markdown
+        content="{{textInfo}}"
+        options="{{markdownProps && markdownProps.options}}"
+        streaming="{{markdownProps && markdownProps.streaming}}"
+        generic:tail-component="tail-component"
+        bindclick="onMarkdownClick"
+      ></t-chat-markdown>
     </view>
   </block>
 </view>
diff --git a/packages/pro-components/chat/chat-list/_example/docs/custom-tail/custom-tail.js b/packages/pro-components/chat/chat-list/_example/docs/custom-tail/custom-tail.js
new file mode 100644
index 000000000..b89373255
--- /dev/null
+++ b/packages/pro-components/chat/chat-list/_example/docs/custom-tail/custom-tail.js
@@ -0,0 +1,3 @@
+Component({
+  properties: {},
+});
diff --git a/packages/pro-components/chat/chat-list/_example/docs/custom-tail/custom-tail.json b/packages/pro-components/chat/chat-list/_example/docs/custom-tail/custom-tail.json
new file mode 100644
index 000000000..66165257f
--- /dev/null
+++ b/packages/pro-components/chat/chat-list/_example/docs/custom-tail/custom-tail.json
@@ -0,0 +1,4 @@
+{
+  "component": true,
+  "styleIsolation": "apply-shared"
+}
\ No newline at end of file
diff --git a/packages/pro-components/chat/chat-list/_example/docs/custom-tail/custom-tail.wxml b/packages/pro-components/chat/chat-list/_example/docs/custom-tail/custom-tail.wxml
new file mode 100644
index 000000000..48c6e1257
--- /dev/null
+++ b/packages/pro-components/chat/chat-list/_example/docs/custom-tail/custom-tail.wxml
@@ -0,0 +1,2 @@
+<!-- 自定义光标组件示例：渲染一个彩色方块光标 -->
+<text class="custom-tail">●</text>
diff --git a/packages/pro-components/chat/chat-list/_example/docs/custom-tail/custom-tail.wxss b/packages/pro-components/chat/chat-list/_example/docs/custom-tail/custom-tail.wxss
new file mode 100644
index 000000000..7552813db
--- /dev/null
+++ b/packages/pro-components/chat/chat-list/_example/docs/custom-tail/custom-tail.wxss
@@ -0,0 +1,12 @@
+/* 自定义光标样式：蓝色渐变闪烁 */
+.custom-tail {
+  display: inline-block;
+  color: #0052d9;
+  font-weight: bold;
+  animation: custom-tail-blink 0.8s ease-in-out infinite;
+}
+
+@keyframes custom-tail-blink {
+  0%, 100% { opacity: 1; }
+  50% { opacity: 0.2; }
+}
diff --git a/packages/pro-components/chat/chat-list/_example/docs/index.js b/packages/pro-components/chat/chat-list/_example/docs/index.js
index 179cbcad6..ef39efe05 100644
--- a/packages/pro-components/chat/chat-list/_example/docs/index.js
+++ b/packages/pro-components/chat/chat-list/_example/docs/index.js
@@ -189,6 +189,7 @@ Component({
             },
           ],
         },
+        markdownProps: { streaming: { hasNextChunk: true, tail: true } },
         chatId: getUniqueKey(),
       };
 
@@ -208,6 +209,7 @@ Component({
           complete() {
             that.setData({
               'chatList[0].message.status': 'complete',
+              'chatList[0].markdownProps': {},
               loading: false,
             });
           },
diff --git a/packages/pro-components/chat/chat-list/_example/docs/index.json b/packages/pro-components/chat/chat-list/_example/docs/index.json
index a56fa5337..7c409dc19 100644
--- a/packages/pro-components/chat/chat-list/_example/docs/index.json
+++ b/packages/pro-components/chat/chat-list/_example/docs/index.json
@@ -1,7 +1,13 @@
 {
   "component": true,
   "styleIsolation": "shared",
+  "componentGenerics": {
+    "tail-component": {
+      "default": "./custom-tail/custom-tail"
+    }
+  },
   "usingComponents": {
+    "custom-tail": "./custom-tail/custom-tail",
     "t-chat-message": "tdesign-miniprogram/chat-message/chat-message",
     "t-chat-content": "tdesign-miniprogram/chat-content/chat-content",
     "t-chat": "tdesign-miniprogram/chat-list/chat-list",
@@ -9,4 +15,4 @@
     "t-chat-actionbar": "tdesign-miniprogram/chat-actionbar/chat-actionbar",
     "t-toast": "tdesign-miniprogram/toast/toast"
   }
-}
+}
\ No newline at end of file
diff --git a/packages/pro-components/chat/chat-list/_example/docs/index.wxml b/packages/pro-components/chat/chat-list/_example/docs/index.wxml
index 3a22faae8..04bcc526b 100644
--- a/packages/pro-components/chat/chat-list/_example/docs/index.wxml
+++ b/packages/pro-components/chat/chat-list/_example/docs/index.wxml
@@ -6,12 +6,26 @@
         avatar="{{item.avatar || ''}}"
         name="{{item.name || ''}}"
         datetime="{{item.datetime || ''}}"
-        content="{{item.message.content}}"
         role="{{item.message.role}}"
-        chatContentProps="{{chatContentProps}}"
         placement="{{item.message.role === 'user' ? 'right' : 'left'}}"
         bind:message-longpress="showPopover"
       >
+        <view slot="content">
+          <block
+            wx:for="{{item.message.content}}"
+            wx:for-item="contentItem"
+            wx:for-index="contentIndex"
+            wx:key="contentIndex"
+          >
+            <t-chat-content
+              wx:if="{{contentItem.type === 'text' || contentItem.type === 'markdown'}}"
+              content="{{contentItem}}"
+              role="{{item.message.role}}"
+              markdownProps="{{item.markdownProps}}"
+              generic:tail-component="custom-tail"
+            />
+          </block>
+        </view>
         <t-chat-actionbar
           wx:if="{{chatIndex !== chatList.length - 1 && item.message.status === 'complete' && item.message.role === 'assistant'}}"
           slot="actionbar"
diff --git a/packages/pro-components/chat/chat-markdown/README.md b/packages/pro-components/chat/chat-markdown/README.md
index c324024cb..0a34bda09 100644
--- a/packages/pro-components/chat/chat-markdown/README.md
+++ b/packages/pro-components/chat/chat-markdown/README.md
@@ -54,6 +54,10 @@ isComponent: true
 
 {{ refer }}
 
+### 05 流式输出光标
+
+{{ tail }}
+
 ## API
 
 ### ChatMarkdown Props
@@ -63,6 +67,7 @@ isComponent: true
 style | Object | - | 样式 | N
 custom-style | Object | - | 样式，一般用于开启虚拟化组件节点场景 | N
 content | String | - | 必需。markdown 内容文本 | Y
+streaming | Object | - | 流式输出配置，控制光标显示。TS 类型：`TdChatStreamingConfig` `interface TdChatStreamingConfig { hasNextChunk?: boolean; tail?: boolean \| { content?: string } }`。[详细类型定义](https://github.com/Tencent/tdesign-miniprogram/blob/develop/packages/pro-components/chat/chat-markdown/type.ts) | N
 options | Object | { gfm: true, pedantic: false, breaks: true } | Markdown 解析器基础配置。TS 类型：`TdChatContentMDOptions ` `interface TdChatContentMDOptions {gfm?: boolean; pedantic?: boolean; smartLists?: boolean; breaks?: boolean}`。[详细类型定义](https://github.com/Tencent/tdesign-miniprogram/blob/develop/packages/pro-components/chat/chat-markdown/type.ts) | N
 
 ### ChatMarkdown Events
diff --git a/packages/pro-components/chat/chat-markdown/_example/chat-markdown.json b/packages/pro-components/chat/chat-markdown/_example/chat-markdown.json
index 9ee8ba68a..49da46451 100644
--- a/packages/pro-components/chat/chat-markdown/_example/chat-markdown.json
+++ b/packages/pro-components/chat/chat-markdown/_example/chat-markdown.json
@@ -6,6 +6,7 @@
     "code": "./code",
     "sheet": "./sheet",
     "url": "./url",
-    "refer": "./refer"
+    "refer": "./refer",
+    "tail": "./tail"
   }
-}
+}
\ No newline at end of file
diff --git a/packages/pro-components/chat/chat-markdown/_example/chat-markdown.wxml b/packages/pro-components/chat/chat-markdown/_example/chat-markdown.wxml
index 96a5a9b94..bfd31c71d 100644
--- a/packages/pro-components/chat/chat-markdown/_example/chat-markdown.wxml
+++ b/packages/pro-components/chat/chat-markdown/_example/chat-markdown.wxml
@@ -23,4 +23,7 @@
   <t-demo title="04 引用">
     <refer />
   </t-demo>
+  <t-demo title="05 流式输出 Tail 光标">
+    <tail />
+  </t-demo>
 </view>
diff --git a/packages/pro-components/chat/chat-markdown/_example/tail/custom-tail/custom-tail.js b/packages/pro-components/chat/chat-markdown/_example/tail/custom-tail/custom-tail.js
new file mode 100644
index 000000000..b89373255
--- /dev/null
+++ b/packages/pro-components/chat/chat-markdown/_example/tail/custom-tail/custom-tail.js
@@ -0,0 +1,3 @@
+Component({
+  properties: {},
+});
diff --git a/packages/pro-components/chat/chat-markdown/_example/tail/custom-tail/custom-tail.json b/packages/pro-components/chat/chat-markdown/_example/tail/custom-tail/custom-tail.json
new file mode 100644
index 000000000..66165257f
--- /dev/null
+++ b/packages/pro-components/chat/chat-markdown/_example/tail/custom-tail/custom-tail.json
@@ -0,0 +1,4 @@
+{
+  "component": true,
+  "styleIsolation": "apply-shared"
+}
\ No newline at end of file
diff --git a/packages/pro-components/chat/chat-markdown/_example/tail/custom-tail/custom-tail.wxml b/packages/pro-components/chat/chat-markdown/_example/tail/custom-tail/custom-tail.wxml
new file mode 100644
index 000000000..48c6e1257
--- /dev/null
+++ b/packages/pro-components/chat/chat-markdown/_example/tail/custom-tail/custom-tail.wxml
@@ -0,0 +1,2 @@
+<!-- 自定义光标组件示例：渲染一个彩色方块光标 -->
+<text class="custom-tail">●</text>
diff --git a/packages/pro-components/chat/chat-markdown/_example/tail/custom-tail/custom-tail.wxss b/packages/pro-components/chat/chat-markdown/_example/tail/custom-tail/custom-tail.wxss
new file mode 100644
index 000000000..7552813db
--- /dev/null
+++ b/packages/pro-components/chat/chat-markdown/_example/tail/custom-tail/custom-tail.wxss
@@ -0,0 +1,12 @@
+/* 自定义光标样式：蓝色渐变闪烁 */
+.custom-tail {
+  display: inline-block;
+  color: #0052d9;
+  font-weight: bold;
+  animation: custom-tail-blink 0.8s ease-in-out infinite;
+}
+
+@keyframes custom-tail-blink {
+  0%, 100% { opacity: 1; }
+  50% { opacity: 0.2; }
+}
diff --git a/packages/pro-components/chat/chat-markdown/_example/tail/index.js b/packages/pro-components/chat/chat-markdown/_example/tail/index.js
new file mode 100644
index 000000000..81d738c84
--- /dev/null
+++ b/packages/pro-components/chat/chat-markdown/_example/tail/index.js
@@ -0,0 +1,45 @@
+import markdownData from '../base/mock2.js';
+
+const CHUNK_SIZE = 5;
+const INTERVAL_MS = 80;
+
+Page({
+  data: {
+    content: '',
+    streaming: { hasNextChunk: false, tail: true },
+  },
+
+  onLoad() {
+    this.startStreaming();
+  },
+
+  startStreaming() {
+    let index = 0;
+
+    this.setData({
+      content: '',
+      streaming: { hasNextChunk: true, tail: true },
+    });
+
+    const timer = setInterval(() => {
+      index += CHUNK_SIZE;
+      const isDone = index >= markdownData.length;
+      this.setData({
+        content: markdownData.slice(0, index),
+        streaming: { hasNextChunk: !isDone, tail: true },
+      });
+      if (isDone) clearInterval(timer);
+    }, INTERVAL_MS);
+  },
+
+  handleReplay() {
+    this.startStreaming();
+  },
+
+  handleNodeTap(e) {
+    const { node } = e.detail;
+    if (node && node.type === 'image') {
+      wx.previewImage({ urls: [node.href], current: node.href });
+    }
+  },
+});
diff --git a/packages/pro-components/chat/chat-markdown/_example/tail/index.json b/packages/pro-components/chat/chat-markdown/_example/tail/index.json
new file mode 100644
index 000000000..1f8a5342b
--- /dev/null
+++ b/packages/pro-components/chat/chat-markdown/_example/tail/index.json
@@ -0,0 +1,6 @@
+{
+  "usingComponents": {
+    "t-chat-markdown": "tdesign-miniprogram/chat-markdown/chat-markdown",
+    "custom-tail": "./custom-tail/custom-tail"
+  }
+}
\ No newline at end of file
diff --git a/packages/pro-components/chat/chat-markdown/_example/tail/index.wxml b/packages/pro-components/chat/chat-markdown/_example/tail/index.wxml
new file mode 100644
index 000000000..46e45bde3
--- /dev/null
+++ b/packages/pro-components/chat/chat-markdown/_example/tail/index.wxml
@@ -0,0 +1,18 @@
+<view class="chat-example-block">
+  <!-- 默认光标（使用内置 chat-markdown-tail 组件） -->
+  <view style="margin-bottom: 16px">
+    <view style="font-size: 12px; color: #888; margin-bottom: 8px">默认光标</view>
+    <t-chat-markdown content="{{content}}" streaming="{{streaming}}" bind:click="handleNodeTap" />
+  </view>
+  <!-- 自定义 tail-component（通过 generic:tail-component 传入） -->
+  <view>
+    <view style="font-size: 12px; color: #888; margin-bottom: 8px">自定义光标组件</view>
+    <t-chat-markdown
+      content="{{content}}"
+      streaming="{{streaming}}"
+      generic:tail-component="custom-tail"
+      bind:click="handleNodeTap"
+    />
+  </view>
+  <button bindtap="handleReplay" style="margin-top: 16px">重新播放</button>
+</view>
diff --git a/packages/pro-components/chat/chat-markdown/_example/tail/index.wxss b/packages/pro-components/chat/chat-markdown/_example/tail/index.wxss
new file mode 100644
index 000000000..700cf8b15
--- /dev/null
+++ b/packages/pro-components/chat/chat-markdown/_example/tail/index.wxss
@@ -0,0 +1,4 @@
+.chat-example-block {
+  background-color: var(--td-bg-color-container);
+  padding: 32rpx;
+}
diff --git a/packages/pro-components/chat/chat-markdown/chat-markdown-node/chat-markdown-node.json b/packages/pro-components/chat/chat-markdown/chat-markdown-node/chat-markdown-node.json
index 984cca0aa..b83e0193d 100644
--- a/packages/pro-components/chat/chat-markdown/chat-markdown-node/chat-markdown-node.json
+++ b/packages/pro-components/chat/chat-markdown/chat-markdown-node/chat-markdown-node.json
@@ -1,9 +1,14 @@
 {
   "component": true,
   "styleIsolation": "apply-shared",
+  "componentGenerics": {
+    "tail-component": {
+      "default": "../chat-markdown-tail/chat-markdown-tail"
+    }
+  },
   "usingComponents": {
     "chat-markdown-table": "../chat-markdown-table/chat-markdown-table",
     "chat-markdown-code": "../chat-markdown-code/chat-markdown-code",
     "chat-markdown-node": "./chat-markdown-node"
   }
-}
+}
\ No newline at end of file
diff --git a/packages/pro-components/chat/chat-markdown/chat-markdown-node/chat-markdown-node.wxml b/packages/pro-components/chat/chat-markdown/chat-markdown-node/chat-markdown-node.wxml
index f3ce92f2f..023aefda0 100644
--- a/packages/pro-components/chat/chat-markdown/chat-markdown-node/chat-markdown-node.wxml
+++ b/packages/pro-components/chat/chat-markdown/chat-markdown-node/chat-markdown-node.wxml
@@ -2,7 +2,7 @@
   <!-- blocks -->
   <block wx:if="{{item.type==='heading'}}">
     <view class="{{classPrefix}}-h {{ classPrefix}}-h{{item.depth}}" data-index="{{i}}" bindtap="nodeClick">
-      <chat-markdown-node nodes="{{item.tokens}}" />
+      <chat-markdown-node nodes="{{item.tokens}}" generic:tail-component="tail-component" />
     </view>
   </block>
   <block wx:elif="{{item.type==='list'}}">
@@ -15,7 +15,7 @@
       <block wx:for="{{item.items}}" wx:for-item="li" wx:for-index="j" wx:key="j">
         <view class="{{classPrefix}}-list-item">
           <block wx:if="{{li.tokens && li.tokens.length}}">
-            <chat-markdown-node nodes="{{li.tokens}}" />
+            <chat-markdown-node nodes="{{li.tokens}}" generic:tail-component="tail-component" />
           </block>
           <block wx:else>{{''+li.text+''}}</block>
         </view>
@@ -24,7 +24,7 @@
   </block>
   <block wx:elif="{{item.type==='paragraph'}}">
     <view class="{{classPrefix}}-p" data-index="{{i}}" bindtap="nodeClick">
-      <chat-markdown-node nodes="{{item.tokens}}" />
+      <chat-markdown-node nodes="{{item.tokens}}" generic:tail-component="tail-component" />
     </view>
   </block>
   <block wx:elif="{{item.type==='image'}}">
@@ -37,7 +37,7 @@
   </block>
   <block wx:elif="{{item.type==='blockquote'}}">
     <view class="{{classPrefix}}-blockquote" data-index="{{i}}" bindtap="nodeClick"
-      ><chat-markdown-node nodes="{{item.tokens}}" />
+      ><chat-markdown-node nodes="{{item.tokens}}" generic:tail-component="tail-component" />
     </view>
   </block>
   <block wx:elif="{{item.type==='code'}}">
@@ -53,15 +53,18 @@
       bindtap="nodeClick"
     >
       <block wx:if="{{item.tokens && item.tokens.length}}">
-        <chat-markdown-node nodes="{{item.tokens}}" />
+        <chat-markdown-node nodes="{{item.tokens}}" generic:tail-component="tail-component" />
+      </block>
+      <block wx:else>
+        {{''+item.raw+''}}
+        <tail-component wx:if="{{item.isTail}}" />
       </block>
-      <block wx:else>{{''+item.raw+''}}</block>
     </view>
   </block>
   <block wx:elif="{{item.type==='strong'}}">
     <view class="{{classPrefix}}-strong {{classPrefix}}-inline" data-index="{{i}}" bindtap="nodeClick">
       <block wx:if="{{item.tokens && item.tokens.length}}">
-        <chat-markdown-node nodes="{{item.tokens}}" />
+        <chat-markdown-node nodes="{{item.tokens}}" generic:tail-component="tail-component" />
       </block>
       <block wx:else>{{''+item.text+''}}</block>
     </view>
@@ -69,7 +72,7 @@
   <block wx:elif="{{item.type==='em'}}">
     <view class="{{classPrefix}}-em {{classPrefix}}-inline" data-index="{{i}}" bindtap="nodeClick">
       <block wx:if="{{item.tokens && item.tokens.length}}">
-        <chat-markdown-node nodes="{{item.tokens}}" />
+        <chat-markdown-node nodes="{{item.tokens}}" generic:tail-component="tail-component" />
       </block>
       <block wx:else>{{''+item.text+''}}</block>
     </view>
@@ -77,7 +80,7 @@
   <block wx:elif="{{item.type==='del'}}">
     <view class="{{classPrefix}}-del {{classPrefix}}-inline" data-index="{{i}}" bindtap="nodeClick">
       <block wx:if="{{item.tokens && item.tokens.length}}">
-        <chat-markdown-node nodes="{{item.tokens}}" />
+        <chat-markdown-node nodes="{{item.tokens}}" generic:tail-component="tail-component" />
       </block>
       <block wx:else>{{''+item.text+''}}</block>
     </view>
@@ -85,7 +88,7 @@
   <block wx:elif="{{item.type==='link'}}">
     <view class="{{classPrefix}}-link {{classPrefix}}-inline" data-index="{{i}}" bindtap="nodeClick">
       <block wx:if="{{item.tokens && item.tokens.length}}">
-        <chat-markdown-node nodes="{{item.tokens}}" />
+        <chat-markdown-node nodes="{{item.tokens}}" generic:tail-component="tail-component" />
       </block>
     </view>
   </block>
diff --git a/packages/pro-components/chat/chat-markdown/chat-markdown-tail/chat-markdown-tail.json b/packages/pro-components/chat/chat-markdown/chat-markdown-tail/chat-markdown-tail.json
new file mode 100644
index 000000000..66165257f
--- /dev/null
+++ b/packages/pro-components/chat/chat-markdown/chat-markdown-tail/chat-markdown-tail.json
@@ -0,0 +1,4 @@
+{
+  "component": true,
+  "styleIsolation": "apply-shared"
+}
\ No newline at end of file
diff --git a/packages/pro-components/chat/chat-markdown/chat-markdown-tail/chat-markdown-tail.ts b/packages/pro-components/chat/chat-markdown/chat-markdown-tail/chat-markdown-tail.ts
new file mode 100644
index 000000000..ea48b23a8
--- /dev/null
+++ b/packages/pro-components/chat/chat-markdown/chat-markdown-tail/chat-markdown-tail.ts
@@ -0,0 +1,22 @@
+import { SuperComponent, wxComponent, ComponentsOptionsType } from '../../../../components/common/src/index';
+import config from '../../../../components/common/config';
+
+const { prefix } = config;
+const name = `${prefix}-chat-markdown`;
+
+@wxComponent()
+export default class ChatMarkdownTail extends SuperComponent {
+  options: ComponentsOptionsType = {};
+
+  properties = {
+    /** 光标字符内容，由 chat-markdown 内部注入，默认 ▋ */
+    content: {
+      type: String,
+      value: '▋',
+    },
+  };
+
+  data = {
+    classPrefix: name,
+  };
+}
diff --git a/packages/pro-components/chat/chat-markdown/chat-markdown-tail/chat-markdown-tail.wxml b/packages/pro-components/chat/chat-markdown/chat-markdown-tail/chat-markdown-tail.wxml
new file mode 100644
index 000000000..f06047840
--- /dev/null
+++ b/packages/pro-components/chat/chat-markdown/chat-markdown-tail/chat-markdown-tail.wxml
@@ -0,0 +1 @@
+<text class="t-chat-markdown-tail">{{content}}</text>
diff --git a/packages/pro-components/chat/chat-markdown/chat-markdown.json b/packages/pro-components/chat/chat-markdown/chat-markdown.json
index 640df53ef..5c6a3fa3f 100644
--- a/packages/pro-components/chat/chat-markdown/chat-markdown.json
+++ b/packages/pro-components/chat/chat-markdown/chat-markdown.json
@@ -1,7 +1,12 @@
 {
   "component": true,
   "styleIsolation": "shared",
+  "componentGenerics": {
+    "tail-component": {
+      "default": "./chat-markdown-tail/chat-markdown-tail"
+    }
+  },
   "usingComponents": {
     "chat-markdown-node": "./chat-markdown-node/chat-markdown-node"
   }
-}
+}
\ No newline at end of file
diff --git a/packages/pro-components/chat/chat-markdown/chat-markdown.less b/packages/pro-components/chat/chat-markdown/chat-markdown.less
index 8c8e8ec3f..7d2769427 100644
--- a/packages/pro-components/chat/chat-markdown/chat-markdown.less
+++ b/packages/pro-components/chat/chat-markdown/chat-markdown.less
@@ -189,4 +189,20 @@
       border: 1rpx solid @component-border;
     }
   }
+
+  // 流式输出尾部光标
+  &-tail {
+    display: inline-block;
+    animation: chat-markdown-tail-blink 1s step-start infinite;
+  }
+}
+
+@keyframes chat-markdown-tail-blink {
+  0%,
+  100% {
+    opacity: 1;
+  }
+  50% {
+    opacity: 0;
+  }
 }
diff --git a/packages/pro-components/chat/chat-markdown/chat-markdown.ts b/packages/pro-components/chat/chat-markdown/chat-markdown.ts
index 3fce2f5c3..8b4bf3b62 100644
--- a/packages/pro-components/chat/chat-markdown/chat-markdown.ts
+++ b/packages/pro-components/chat/chat-markdown/chat-markdown.ts
@@ -7,6 +7,55 @@ import { TdChatMarkdownProps } from './type';
 const { prefix } = config;
 const name = `${prefix}-chat-markdown`;
 
+const DEFAULT_TAIL_CONTENT = '▋';
+
+/** 解析 tail 参数，返回光标字符；不需要显示时返回 null */
+function resolveTailContent(tail?: boolean | { content?: string }): string | null {
+  if (!tail) return null;
+  if (typeof tail === 'boolean') return DEFAULT_TAIL_CONTENT;
+  return tail.content || DEFAULT_TAIL_CONTENT;
+}
+
+/**
+ * 将列表项的子 tokens 展平，供 injectTailToTokens 递归使用。
+ * marked 的 list token 结构：list.items[].tokens（而非 list.tokens）
+ */
+function flatListItems(items: any[]): any[] {
+  return items.reduce((result: any[], item: any) => {
+    if (item.tokens?.length) result.push(...item.tokens);
+    return result;
+  }, []);
+}
+
+/**
+ * 从后往前遍历 token 树，找到最后一个非空 text 叶子节点，打上 isTail 标记。
+ * - 有子节点（tokens / items）时优先递归
+ * - 末尾是 code / table / image 等非 text 节点时静默跳过，不注入
+ * @returns 是否成功注入
+ */
+function injectTailToTokens(tokens: any[], tailChar: string): boolean {
+  for (let i = tokens.length - 1; i >= 0; i -= 1) {
+    const token = tokens[i];
+    // 优先递归子节点
+    let children: any[] | null = null;
+    if (token.tokens?.length) {
+      children = token.tokens;
+    } else if (token.items?.length) {
+      children = flatListItems(token.items);
+    }
+    if (children?.length) {
+      if (injectTailToTokens(children, tailChar)) return true;
+    }
+    // 叶子文本节点且内容非空
+    if (token.type === 'text' && (token.text || token.raw)?.trim()) {
+      token.isTail = true;
+      token.tailContent = tailChar;
+      return true;
+    }
+  }
+  return false;
+}
+
 export interface ChatMarkdownProps extends TdChatMarkdownProps {}
 
 @wxComponent()
@@ -28,6 +77,10 @@ export default class ChatMarkdown extends SuperComponent {
     content: function (markdown: string) {
       this.parseMarkdown(markdown);
     },
+    // streaming 变化时重新解析（如 hasNextChunk 从 true 变 false，光标消失）
+    streaming: function () {
+      this.parseMarkdown(this.data.content);
+    },
   };
 
   methods = {
@@ -37,6 +90,13 @@ export default class ChatMarkdown extends SuperComponent {
         const lexer = new Lexer(this.data.options);
         const tokens = lexer.lex(markdown);
 
+        // 尾部光标注入
+        const { streaming } = this.data;
+        const tailChar = resolveTailContent(streaming?.tail);
+        if (streaming?.hasNextChunk && tailChar) {
+          injectTailToTokens(tokens, tailChar);
+        }
+
         this.setData({ nodes: tokens });
       } catch (error) {
         console.error('Markdown parsing error:', error);
diff --git a/packages/pro-components/chat/chat-markdown/chat-markdown.wxml b/packages/pro-components/chat/chat-markdown/chat-markdown.wxml
index 4f84d8603..3fa72f3e3 100644
--- a/packages/pro-components/chat/chat-markdown/chat-markdown.wxml
+++ b/packages/pro-components/chat/chat-markdown/chat-markdown.wxml
@@ -1,5 +1,5 @@
 <wxs src="../../../components/common/utils.wxs" module="_" />
 
 <view class="class {{classPrefix}} {{classPrefix}}--normal" style="{{_._style([style, customStyle])}}">
-  <chat-markdown-node nodes="{{nodes}}"></chat-markdown-node>
+  <chat-markdown-node nodes="{{nodes}}" generic:tail-component="tail-component"></chat-markdown-node>
 </view>
diff --git a/packages/pro-components/chat/chat-markdown/props.ts b/packages/pro-components/chat/chat-markdown/props.ts
index 5bcc8967f..e83ec446e 100644
--- a/packages/pro-components/chat/chat-markdown/props.ts
+++ b/packages/pro-components/chat/chat-markdown/props.ts
@@ -17,6 +17,11 @@ const props: TdChatMarkdownProps = {
     type: Object,
     value: { gfm: true, pedantic: false, breaks: true },
   },
+  /** 流式输出配置 */
+  streaming: {
+    type: Object,
+    value: null,
+  },
 };
 
 export default props;
diff --git a/packages/pro-components/chat/chat-markdown/type.ts b/packages/pro-components/chat/chat-markdown/type.ts
index adf560d5a..5e59a07d0 100644
--- a/packages/pro-components/chat/chat-markdown/type.ts
+++ b/packages/pro-components/chat/chat-markdown/type.ts
@@ -22,6 +22,13 @@ export interface TdChatMarkdownProps {
     type: ObjectConstructor;
     value?: TdChatContentMDOptions;
   };
+  /**
+   * 流式输出配置，控制尾部光标的显示与隐藏
+   */
+  streaming?: {
+    type: ObjectConstructor;
+    value?: TdChatMarkdownStreamingOption;
+  };
 }
 
 export interface TdChatContentMDOptions {
@@ -30,3 +37,15 @@ export interface TdChatContentMDOptions {
   smartLists?: boolean;
   breaks?: boolean;
 }
+
+export interface TdChatMarkdownTailOption {
+  /** 自定义光标字符，默认 '▋' */
+  content?: string;
+}
+
+export interface TdChatMarkdownStreamingOption {
+  /** 是否还有后续内容块，false 时光标消失 */
+  hasNextChunk: boolean;
+  /** 尾部光标配置，true 使用默认光标 ▋，false/不传则不显示 */
+  tail?: boolean | TdChatMarkdownTailOption;
+}
diff --git a/packages/uniapp-pro-components/chat/chat-content/chat-content.vue b/packages/uniapp-pro-components/chat/chat-content/chat-content.vue
index fb4d79e09..89545afb7 100644
--- a/packages/uniapp-pro-components/chat/chat-content/chat-content.vue
+++ b/packages/uniapp-pro-components/chat/chat-content/chat-content.vue
@@ -16,6 +16,7 @@
         <t-chat-markdown
           :content="textInfo"
           :options="markdownProps && markdownProps.options"
+          :streaming="markdownProps && markdownProps.streaming"
           @click="onClick"
         />
       </view>
diff --git a/packages/uniapp-pro-components/chat/chat-list/_example/docs/index.vue b/packages/uniapp-pro-components/chat/chat-list/_example/docs/index.vue
index 8c4204f6c..e1b391ac7 100644
--- a/packages/uniapp-pro-components/chat/chat-list/_example/docs/index.vue
+++ b/packages/uniapp-pro-components/chat/chat-list/_example/docs/index.vue
@@ -14,12 +14,28 @@
             :avatar="item.avatar || ''"
             :name="item.name || ''"
             :datetime="item.datetime || ''"
-            :content="item.message.content"
             :role="item.message.role"
-            :chat-content-props="chatContentProps"
             :placement="item.message.role === 'user' ? 'right' : 'left'"
             @message-longpress="showPopover"
           >
+            <template #content>
+              <block
+                v-for="(contentItem, contentIndex) in item.message.content"
+                :key="contentIndex"
+              >
+                <t-chat-content
+                  v-if="contentItem.type === 'text' || contentItem.type === 'markdown'"
+                  :content="contentItem"
+                  :role="item.message.role"
+                  :markdown-props="{
+                    ...chatContentProps,
+                    streaming: loading && chatIndex === 0 && item.message.role === 'assistant'
+                      ? { hasNextChunk: true, tail: true }
+                      : null,
+                  }"
+                />
+              </block>
+            </template>
             <template #actionbar>
               <t-chat-actionbar
                 v-if="
@@ -69,6 +85,7 @@
 
 <script>
 import TChatMessage from '@tdesign/uniapp-chat/chat-message/chat-message.vue';
+import TChatContent from '@tdesign/uniapp-chat/chat-content/chat-content.vue';
 import TChatList from '@tdesign/uniapp-chat/chat-list/chat-list.vue';
 import TChatSender from '@tdesign/uniapp-chat/chat-sender/chat-sender.vue';
 import TChatActionbar from '@tdesign/uniapp-chat/chat-actionbar/chat-actionbar.vue';
@@ -97,6 +114,7 @@ const fetchStream = async (str, options) => {
 export default {
   components: {
     TChatMessage,
+    TChatContent,
     TChatList,
     TChatSender,
     TChatActionbar,
diff --git a/packages/uniapp-pro-components/chat/chat-markdown-node/chat-markdown-node.vue b/packages/uniapp-pro-components/chat/chat-markdown-node/chat-markdown-node.vue
index 24c5fa02e..8604ff805 100644
--- a/packages/uniapp-pro-components/chat/chat-markdown-node/chat-markdown-node.vue
+++ b/packages/uniapp-pro-components/chat/chat-markdown-node/chat-markdown-node.vue
@@ -149,6 +149,12 @@
           </block>
           <block v-else>
             {{ '' + item.raw + '' }}
+            <text
+              v-if="item.isTail"
+              :class="classPrefix + '-tail'"
+            >
+              {{ item.tailContent }}
+            </text>
           </block>
         </view>
       </block>
diff --git a/packages/uniapp-pro-components/chat/chat-markdown/README.md b/packages/uniapp-pro-components/chat/chat-markdown/README.md
index 055c98ef0..7127c267f 100644
--- a/packages/uniapp-pro-components/chat/chat-markdown/README.md
+++ b/packages/uniapp-pro-components/chat/chat-markdown/README.md
@@ -43,6 +43,10 @@ import TChatMarkdown from '@tdesign/uniapp-chat/chat-markdown/chat-markdown.vue'
 
 {{ refer }}
 
+### 05 流式输出光标
+
+{{ tail }}
+
 ## API
 
 ### ChatMarkdown Props
@@ -51,6 +55,7 @@ import TChatMarkdown from '@tdesign/uniapp-chat/chat-markdown/chat-markdown.vue'
 -- | -- | -- | -- | --
 custom-style | Object | - | 自定义样式 | N
 content | String | - | 必需。markdown 内容文本 | Y
+streaming | Object | - | 流式输出配置，控制光标显示。TS 类型：`TdChatStreamingConfig` `interface TdChatStreamingConfig { hasNextChunk?: boolean; tail?: boolean \| { content?: string } }`。[详细类型定义](https://github.com/tencent/tdesign-miniprogram/blob/develop/packages/uniapp-pro-components/chat/chat-markdown/type.ts) | N
 options | Object | { gfm: true, pedantic: false, breaks: true } | Markdown 解析器基础配置。TS 类型：`TdChatContentMDOptions ` `interface TdChatContentMDOptions {gfm?: boolean; pedantic?: boolean; smartLists?: boolean; breaks?: boolean}`。[详细类型定义](https://github.com/tencent/tdesign-miniprogram/blob/develop/packages/uniapp-pro-components/chat/chat-markdown/type.ts) | N
 
 ### ChatMarkdown Events
diff --git a/packages/uniapp-pro-components/chat/chat-markdown/_example/chat-markdown.vue b/packages/uniapp-pro-components/chat/chat-markdown/_example/chat-markdown.vue
index 95c1875c9..3386b69da 100644
--- a/packages/uniapp-pro-components/chat/chat-markdown/_example/chat-markdown.vue
+++ b/packages/uniapp-pro-components/chat/chat-markdown/_example/chat-markdown.vue
@@ -34,6 +34,9 @@
       <t-demo title="04 引用">
         <refer-demo />
       </t-demo>
+      <t-demo title="05 流式输出光标">
+        <tail-demo />
+      </t-demo>
     </view>
   </view>
 </template>
@@ -45,6 +48,7 @@ import CodeDemo from './code/index.vue';
 import SheetDemo from './sheet/index.vue';
 import UrlDemo from './url/index.vue';
 import ReferDemo from './refer/index.vue';
+import TailDemo from './tail/index.vue';
 
 
 export default {
@@ -55,6 +59,7 @@ export default {
     SheetDemo,
     UrlDemo,
     ReferDemo,
+    TailDemo,
   },
   data() {
     return {};
diff --git a/packages/uniapp-pro-components/chat/chat-markdown/_example/tail/index.vue b/packages/uniapp-pro-components/chat/chat-markdown/_example/tail/index.vue
new file mode 100644
index 000000000..c45d9efd0
--- /dev/null
+++ b/packages/uniapp-pro-components/chat/chat-markdown/_example/tail/index.vue
@@ -0,0 +1,68 @@
+<template>
+  <view class="chat-example-block">
+    <t-chat-markdown
+      :content="content"
+      :streaming="streaming"
+      @click="handleNodeTap"
+    />
+    <button
+      style="margin-top: 16px"
+      @tap="handleReplay"
+    >
+      重新播放
+    </button>
+  </view>
+</template>
+
+<script>
+import TChatMarkdown from '@tdesign/uniapp-chat/chat-markdown/chat-markdown.vue';
+import markdownData from '../base/mock2.js';
+
+const CHUNK_SIZE = 5;
+const INTERVAL_MS = 80;
+
+export default {
+  components: {
+    TChatMarkdown,
+  },
+  data() {
+    return {
+      content: '',
+      streaming: { hasNextChunk: false, tail: true },
+    };
+  },
+  mounted() {
+    this.startStreaming();
+  },
+  methods: {
+    startStreaming() {
+      let index = 0;
+      this.content = '';
+      this.streaming = { hasNextChunk: true, tail: true };
+
+      const timer = setInterval(() => {
+        index += CHUNK_SIZE;
+        const isDone = index >= markdownData.length;
+        this.content = markdownData.slice(0, index);
+        this.streaming = { hasNextChunk: !isDone, tail: true };
+        if (isDone) clearInterval(timer);
+      }, INTERVAL_MS);
+    },
+    handleReplay() {
+      this.startStreaming();
+    },
+    handleNodeTap(e) {
+      const { node } = e;
+      if (node && node.type === 'image') {
+        uni.previewImage({ urls: [node.href], current: node.href });
+      }
+    },
+  },
+};
+</script>
+<style>
+.chat-example-block {
+    background-color: var(--td-bg-color-container);
+    padding: 32rpx;
+}
+</style>
diff --git a/packages/uniapp-pro-components/chat/chat-markdown/chat-markdown.less b/packages/uniapp-pro-components/chat/chat-markdown/chat-markdown.less
index 09defedb2..e02148a87 100644
--- a/packages/uniapp-pro-components/chat/chat-markdown/chat-markdown.less
+++ b/packages/uniapp-pro-components/chat/chat-markdown/chat-markdown.less
@@ -150,6 +150,12 @@
     border: 1rpx solid @component-border;
   }
 
+  // 流式输出尾部光标
+  &-tail {
+    display: inline-block;
+    animation: chat-markdown-tail-blink 1s step-start infinite;
+  }
+
   // 表格样式
   .@{chat-markdown-table}__container {
     display: table;
@@ -190,3 +196,14 @@
     }
   }
 }
+
+@keyframes chat-markdown-tail-blink {
+  0%,
+  100% {
+    opacity: 1;
+  }
+
+  50% {
+    opacity: 0;
+  }
+}
diff --git a/packages/uniapp-pro-components/chat/chat-markdown/chat-markdown.vue b/packages/uniapp-pro-components/chat/chat-markdown/chat-markdown.vue
index 7831cff1f..487cc8444 100644
--- a/packages/uniapp-pro-components/chat/chat-markdown/chat-markdown.vue
+++ b/packages/uniapp-pro-components/chat/chat-markdown/chat-markdown.vue
@@ -22,9 +22,44 @@ import props from './props';
 import tools from '@tdesign/uniapp/common/utils.wxs';
 import { uniComponent } from '@tdesign/uniapp/common/src/index';
 
-
 const name = `${prefix}-chat-markdown`;
 
+const DEFAULT_TAIL_CONTENT = '▋';
+
+function resolveTailContent(tail) {
+  if (!tail) return null;
+  if (typeof tail === 'boolean') return DEFAULT_TAIL_CONTENT;
+  return tail.content || DEFAULT_TAIL_CONTENT;
+}
+
+function flatListItems(items) {
+  return items.reduce((result, item) => {
+    if (item.tokens?.length) result.push(...item.tokens);
+    return result;
+  }, []);
+}
+
+function injectTailToTokens(tokens, tailChar) {
+  for (let i = tokens.length - 1; i >= 0; i -= 1) {
+    const token = tokens[i];
+    let children = null;
+    if (token.tokens?.length) {
+      children = token.tokens;
+    } else if (token.items?.length) {
+      children = flatListItems(token.items);
+    }
+    if (children?.length) {
+      if (injectTailToTokens(children, tailChar)) return true;
+    }
+    if (token.type === 'text' && (token.text || token.raw)?.trim()) {
+      token.isTail = true;
+      token.tailContent = tailChar;
+      return true;
+    }
+  }
+  return false;
+}
+
 export default {
   components: {
     chatMarkdownNode,
@@ -56,6 +91,12 @@ export default {
         immediate: true,
         deep: true,
       },
+      streaming: {
+        handler() {
+          this.parseMarkdown(this.content);
+        },
+        deep: true,
+      },
     },
 
     methods: {
@@ -72,6 +113,12 @@ export default {
 
           const tokens = lexer.lex(markdown);
 
+          // 尾部光标注入
+          const tailChar = resolveTailContent(this.streaming?.tail);
+          if (this.streaming?.hasNextChunk && tailChar) {
+            injectTailToTokens(tokens, tailChar);
+          }
+
           this.nodes = tokens;
         } catch (error) {
           // 解析失败时，将原始文本作为普通文本显示
diff --git a/packages/uniapp-pro-components/chat/chat-markdown/props.ts b/packages/uniapp-pro-components/chat/chat-markdown/props.ts
index 4eaccdcdd..3723a0d1e 100644
--- a/packages/uniapp-pro-components/chat/chat-markdown/props.ts
+++ b/packages/uniapp-pro-components/chat/chat-markdown/props.ts
@@ -16,6 +16,11 @@ export default {
     type: Object,
     default: () => ({ gfm: true, pedantic: false, breaks: true }),
   },
+  /** 流式输出配置 */
+  streaming: {
+    type: Object,
+    default: () => null,
+  },
   /** 点击链接时触发 */
   onClick: {
     type: Function,
diff --git a/packages/uniapp-pro-components/chat/chat-markdown/type.ts b/packages/uniapp-pro-components/chat/chat-markdown/type.ts
index da3890d2b..d099eab6e 100644
--- a/packages/uniapp-pro-components/chat/chat-markdown/type.ts
+++ b/packages/uniapp-pro-components/chat/chat-markdown/type.ts
@@ -15,12 +15,23 @@ export interface TdChatMarkdownProps {
    * @default { gfm: true, pedantic: false, breaks: true }
    */
   options?: TdChatContentMDOptions;
+  /**
+   * 流式输出配置
+   */
+  streaming?: TdChatStreamingConfig;
   /**
    * 点击链接时触发
    */
   onClick?: (context: TdMarkdownClickContext) => void;
 }
 
+export interface TdChatStreamingConfig {
+  /** 是否还有下一个数据块，控制光标显隐 */
+  hasNextChunk?: boolean;
+  /** 尾部光标配置，true 使用默认光标 ▋，传对象可自定义光标字符 */
+  tail?: boolean | { content?: string };
+}
+
 export interface TdChatContentMDOptions {
   gfm?: boolean;
   pedantic?: boolean;