diff --git a/ui/src/api/chat/conversation.ts b/ui/src/api/chat/conversation.ts
index a71c61b6a81..e47972f8a9f 100644
--- a/ui/src/api/chat/conversation.ts
+++ b/ui/src/api/chat/conversation.ts
@@ -42,6 +42,10 @@ const deleteConversation = (applicationId: string, chatId: string) => del(`${get
 /** 修改会话信息。 */
 const putConversation = (applicationId: string, chatId: string, data: unknown) => put(`${getApplicationPath(applicationId)}/chat/${chatId}`, data)
 
+/** 生成会话记录分享链接，返回编码后的链接标识。 */
+const postShareConversation = (applicationId: string, chatId: string, data: { chat_record_ids: string[] }) =>
+  post<{ chat_record_ids: string[] }, { link: string }>(`${getApplicationPath(applicationId)}/chat/${chatId}/share_chat`, data)
+
 /** 将语音转换为文字。 */
 const postSpeechToText = (applicationId: string, data: unknown) => post(`${getApplicationPath(applicationId)}/speech_to_text`, data)
 
@@ -56,5 +60,6 @@ export default {
   getConversationRecordPage,
   deleteConversation,
   putConversation,
+  postShareConversation,
   postSpeechToText,
 }
diff --git a/ui/src/conversation-panel/components/header/chat/index.vue b/ui/src/conversation-panel/components/header/chat/index.vue
index 5e6e305450d..f2ee4561630 100644
--- a/ui/src/conversation-panel/components/header/chat/index.vue
+++ b/ui/src/conversation-panel/components/header/chat/index.vue
@@ -21,20 +21,35 @@
         <span class="header-title">{{ list.currentConversation.value?.abstract || '新对话' }}</span>
       </div>
     </div>
+    <!-- 进入分享模式，勾选要分享的对话 -->
+    <button v-if="shareable" class="header-btn" :disabled="!canShare" @click="emit('share')">
+      <svg width="16" height="16" viewBox="0 0 16 16" fill="none">
+        <path d="M9.5 3l4 4-4 4M13.5 7H7.5a5 5 0 0 0-5 5v1" stroke="currentColor" stroke-width="1.4" stroke-linecap="round" stroke-linejoin="round" />
+      </svg>
+    </button>
     <slot />
   </header>
 </template>
 
 <script setup lang="ts">
+import { computed } from 'vue'
 import { Plus } from '@element-plus/icons-vue'
 import { useConversationListStore } from '../../../left-sidebar/conversation-list/index'
+import { useMessageListStore } from '../../message-list/index'
 
 const props = defineProps<{
   /** 新建对话；不传时在当前应用中新建（门户在没有当前智能体时改为选择智能体） */
   newConversation?: () => void
+  /** 显示分享入口；仅对话端传入 */
+  shareable?: boolean
 }>()
 
+const emit = defineEmits<{ share: [] }>()
+
 const list = useConversationListStore()
+const msgs = useMessageListStore()
+// 回答生成中或没有消息时不可分享
+const canShare = computed(() => msgs.messages.value.length > 0 && !msgs.streamLoading.value)
 
 const handleNewConversation = () => (props.newConversation ? props.newConversation() : list.newConversation())
 </script>
@@ -65,6 +80,11 @@ const handleNewConversation = () => (props.newConversation ? props.newConversati
 .header-btn:hover {
   background: rgba(0, 0, 0, 0.05);
 }
+.header-btn:disabled {
+  cursor: not-allowed;
+  opacity: 0.4;
+  background: transparent;
+}
 .header-info {
   display: flex;
   align-items: center;
diff --git a/ui/src/conversation-panel/main/chat-panel/index.vue b/ui/src/conversation-panel/main/chat-panel/index.vue
index 4a436f25ca8..943ad24234a 100644
--- a/ui/src/conversation-panel/main/chat-panel/index.vue
+++ b/ui/src/conversation-panel/main/chat-panel/index.vue
@@ -5,6 +5,13 @@ import MessageInput from '../../components/message-input/index.vue'
 import { useConversationListStore } from '../../left-sidebar/conversation-list/index'
 import { useMessageInputStore } from '../../components/message-input/index'
 
+defineProps<{
+  /** 标题栏显示分享入口；仅对话端传入 */
+  shareable?: boolean
+}>()
+
+const emit = defineEmits<{ share: [] }>()
+
 const list = useConversationListStore()
 const input = useMessageInputStore()
 
@@ -15,7 +22,7 @@ const handleDrop = (e: DragEvent) => input.addFiles(e.dataTransfer?.files)
   <!-- 带输入框的主面板:header + message-list + message-input -->
   <main class="mk-conversation-main" @drop.prevent="handleDrop" @dragover.prevent>
     <!-- 头部可被替换(如 debug 用 debug header);默认普通 chat header -->
-    <slot name="header"><ChatHeader /></slot>
+    <slot name="header"><ChatHeader :shareable="shareable" @share="emit('share')" /></slot>
     <MessageList :key="list.currentChatId.value" :app-name="list.appInfo.value?.name || 'AI 助手'" />
 
     <footer class="flex-center shrink-0 p-4"><MessageInput /></footer>
diff --git a/ui/src/conversation-panel/main/share-panel/index.ts b/ui/src/conversation-panel/main/share-panel/index.ts
new file mode 100644
index 00000000000..88ff0844ec6
--- /dev/null
+++ b/ui/src/conversation-panel/main/share-panel/index.ts
@@ -0,0 +1,57 @@
+import { ref, inject, type InjectionKey } from 'vue'
+
+export interface SharePanelDeps {
+  /** 提交分享:参数为按消息顺序排列的已选 chat_record id */
+  share: (chatRecordIds: string[]) => Promise<unknown> | void
+}
+
+/**
+ * share-panel 组件 store:分享模式开关 + 已选对话轮次。
+ * 由 view 创建并 provide;标题栏分享按钮经 chat-panel 事件交给 view 打开分享模式,view 再用 v-if 切换主区域。
+ */
+export function createSharePanelStore(deps: SharePanelDeps) {
+  const active = ref(false)
+  const sharing = ref(false)
+  // 已选轮次 key(轮次内提问消息的 id),提交时由面板按消息顺序换算为 chat_record id
+  const selectedRoundKeys = ref<string[]>([])
+
+  const open = () => {
+    selectedRoundKeys.value = []
+    active.value = true
+  }
+  const close = () => {
+    active.value = false
+    selectedRoundKeys.value = []
+  }
+
+  const isSelected = (roundKey: string) => selectedRoundKeys.value.includes(roundKey)
+  const toggleRound = (roundKey: string) => {
+    selectedRoundKeys.value = isSelected(roundKey)
+      ? selectedRoundKeys.value.filter((selectedKey) => selectedKey !== roundKey)
+      : [...selectedRoundKeys.value, roundKey]
+  }
+  const setSelectedRounds = (roundKeys: string[]) => (selectedRoundKeys.value = [...roundKeys])
+
+  const share = async (chatRecordIds: string[]) => {
+    if (!chatRecordIds.length || sharing.value) return
+    sharing.value = true
+    try {
+      await deps.share(chatRecordIds)
+      close()
+    } finally {
+      sharing.value = false
+    }
+  }
+
+  return { active, sharing, selectedRoundKeys, open, close, isSelected, toggleRound, setSelectedRounds, share }
+}
+
+export type SharePanelStore = ReturnType<typeof createSharePanelStore>
+
+export const SHARE_PANEL_KEY: InjectionKey<SharePanelStore> = Symbol('share-panel')
+
+export function useSharePanelStore(): SharePanelStore {
+  const store = inject(SHARE_PANEL_KEY)
+  if (!store) throw new Error('useSharePanelStore 必须在提供 SHARE_PANEL_KEY 的视图内使用')
+  return store
+}
diff --git a/ui/src/conversation-panel/main/share-panel/index.vue b/ui/src/conversation-panel/main/share-panel/index.vue
new file mode 100644
index 00000000000..9715b9d9e1c
--- /dev/null
+++ b/ui/src/conversation-panel/main/share-panel/index.vue
@@ -0,0 +1,98 @@
+<script setup lang="ts">
+import { computed } from 'vue'
+import ContentList from '../../components/content-list/index.vue'
+import ReverseInfiniteScroll from '../../core/reverse-infinite-scroll/index.vue'
+import { useMessageListStore } from '../../components/message-list/index'
+import { useSharePanelStore } from './index'
+import type { ChatMessage } from '../../core/types'
+
+defineOptions({ name: 'SharePanel' })
+
+/** 一轮对话:提问 + 其后的回答，以提问消息 id 作为勾选 key。 */
+interface ShareRound {
+  key: string
+  chatRecordId?: string
+  messages: ChatMessage[]
+}
+
+const { messages, loading, hasMore, loadMore } = useMessageListStore()
+const share = useSharePanelStore()
+
+const shareRounds = computed<ShareRound[]>(() => {
+  const rounds: ShareRound[] = []
+  messages.value.forEach((message) => {
+    const lastRound = rounds[rounds.length - 1]
+    if (message.role === 'ASSISTANT' && lastRound && !lastRound.chatRecordId) {
+      lastRound.messages.push(message)
+      lastRound.chatRecordId = message.recordId
+    } else {
+      rounds.push({ key: message.id, chatRecordId: message.role === 'ASSISTANT' ? message.recordId : undefined, messages: [message] })
+    }
+  })
+  // 尚未生成 chat_record 的轮次(回答未落库)无法分享
+  return rounds.filter((round) => round.chatRecordId)
+})
+
+const selectedCount = computed(() => share.selectedRoundKeys.value.length)
+const isAllSelected = computed(() => shareRounds.value.length > 0 && selectedCount.value === shareRounds.value.length)
+const isIndeterminate = computed(() => selectedCount.value > 0 && !isAllSelected.value)
+
+const handleSelectAll = (checked: boolean | string | number) => share.setSelectedRounds(checked ? shareRounds.value.map((round) => round.key) : [])
+
+const handleShare = () => {
+  const chatRecordIds = shareRounds.value.filter((round) => share.isSelected(round.key)).map((round) => round.chatRecordId as string)
+  void share.share(chatRecordIds)
+}
+</script>
+
+<template>
+  <!-- 分享主面板:勾选要分享的对话轮次 -->
+  <main class="mk-conversation-main">
+    <header class="flex-align-center h-11 shrink-0 gap-3 border-b border-N300 px-3">
+      <!-- 全选当前已加载的对话 -->
+      <el-checkbox :model-value="isAllSelected" :indeterminate="isIndeterminate" :disabled="!shareRounds.length" @change="handleSelectAll">
+        全选
+      </el-checkbox>
+      <span class="min-w-0 flex-1 truncate text-N600">已选择 {{ selectedCount }} 条对话</span>
+      <!-- 退出分享模式 -->
+      <el-button @click="share.close()">取消</el-button>
+      <!-- 分享已选对话 -->
+      <el-button type="primary" class="ml-0!" :disabled="!selectedCount" :loading="share.sharing.value" @click="handleShare">分享</el-button>
+    </header>
+
+    <ReverseInfiniteScroll class="p-4" :loading="loading" :has-more="hasMore" :count="shareRounds.length" :load-more="loadMore">
+      <!-- 点击整轮对话切换勾选 -->
+      <div
+        v-for="round in shareRounds"
+        :key="round.key"
+        class="share-round flex cursor-pointer gap-3 rounded-lg p-2"
+        :class="{ selected: share.isSelected(round.key) }"
+        @click="share.toggleRound(round.key)"
+      >
+        <el-checkbox :model-value="share.isSelected(round.key)" class="pointer-events-none shrink-0" />
+        <!-- 分享模式下内容只读，不响应内部交互 -->
+        <div class="pointer-events-none min-w-0 flex-1 select-none">
+          <ContentList v-for="message in round.messages" :key="message.id" :content-list="message.content" />
+        </div>
+      </div>
+
+      <template #empty>
+        <MkEmpty description="暂无可分享的对话" class="mt-20" />
+      </template>
+    </ReverseInfiniteScroll>
+  </main>
+</template>
+
+<style scoped lang="scss">
+.share-round {
+  transition: background-color 150ms ease;
+
+  &:hover {
+    background: var(--mk-N100);
+  }
+
+  &.selected {
+    background: color-mix(in srgb, var(--mk-primary) 6%, transparent);
+  }
+}
+</style>
diff --git a/ui/src/conversation-panel/view/chat/index.ts b/ui/src/conversation-panel/view/chat/index.ts
index 35de6315bcb..2e2b05229a1 100644
--- a/ui/src/conversation-panel/view/chat/index.ts
+++ b/ui/src/conversation-panel/view/chat/index.ts
@@ -5,13 +5,21 @@ import ConversationApi from '@/api/chat/conversation'
 import { useStore } from '@/stores/chat'
 import FileApi from '@/api/chat/file'
 import { FILE_SOURCE_TYPE } from '@/api/enums'
+import { CHAT_API_BASE_PATH } from '@/api/constants'
+import { copyText } from '@/utils/clipboard'
 import type { ConversationApiAdapter } from '../../core/types'
 import { createConversationListStore } from '../../left-sidebar/conversation-list/index'
 import { createMessageListStore } from '../../components/message-list/index'
 import { createMessageInputStore } from '../../components/message-input/index'
 import { createExecutionDetailStore } from '../../right-sidebar/execution-detail/index'
+import { createSharePanelStore, type SharePanelStore } from '../../main/share-panel/index'
 import type { ConversationBundle } from '../types'
 
+/** chat 模式在通用组件 store 之外提供分享;debug 模式无分享。 */
+export interface ChatConversationBundle extends ConversationBundle {
+  share: SharePanelStore
+}
+
 /** chat 模式的智能体与会话地址来源；单应用与门户的路由不同，由使用方提供。 */
 export interface ChatConversationRouting {
   /** 当前对话的智能体 ID，v3 对话接口按智能体划分路径。 */
@@ -42,13 +50,14 @@ function useApplicationChatRouting(): ChatConversationRouting {
  * chat 模式:装配各组件 store。模式差异只在这里的 adapter。
  * 当前会话与地址双向同步，切换智能体时重新加载智能体信息与会话。
  */
-export function createChatConversation(routing: ChatConversationRouting = useApplicationChatRouting()): ConversationBundle {
+export function createChatConversation(routing: ChatConversationRouting = useApplicationChatRouting()): ChatConversationBundle {
   const { getApplicationId, getRouteChatId, replaceChatId } = routing
   const { user } = useStore()
 
   const api: ConversationApiAdapter = {
     // 门户首页尚未确定智能体时没有会话可加载
-    pageConversations: (p, s) => (getApplicationId() ? ConversationApi.getConversationPage(getApplicationId(), p, s) : Promise.resolve({ records: [] })),
+    pageConversations: (p, s) =>
+      getApplicationId() ? ConversationApi.getConversationPage(getApplicationId(), p, s) : Promise.resolve({ records: [] }),
     pageRecords: (cid, p, s) => ConversationApi.getConversationRecordPage(getApplicationId(), cid, p, s),
     recordDetail: (cid, rid) => ConversationApi.getConversationRecordDetail(getApplicationId(), cid, rid),
     remove: (id) => ConversationApi.deleteConversation(getApplicationId(), id),
@@ -58,7 +67,7 @@ export function createChatConversation(routing: ChatConversationRouting = useApp
     uploadFile: (file, cid, onProgress) => FileApi.postUploadFile(file, cid, FILE_SOURCE_TYPE.CHAT, onProgress).request,
     cancel: (cid) => ConversationApi.postCancelConversationMessage(cid),
   }
-  
+
   const list = createConversationListStore({
     pageConversations: api.pageConversations,
     remove: api.remove,
@@ -75,7 +84,7 @@ export function createChatConversation(routing: ChatConversationRouting = useApp
     resumeMessage: api.resumeMessage,
     cancel: api.cancel,
     uploadFile: api.uploadFile,
-    getChatId: () => list.currentChatId.value,  
+    getChatId: () => list.currentChatId.value,
   })
   list.bindLoader(msgs.load)
   const input = createMessageInputStore({
@@ -92,6 +101,13 @@ export function createChatConversation(routing: ChatConversationRouting = useApp
     disabled: computed(() => !getApplicationId()),
   })
   const detail = createExecutionDetailStore()
+  // 生成分享链接后复制分享页地址(与 v2 一致为 {chat 部署路径}/share/{link})
+  const share = createSharePanelStore({
+    share: (chatRecordIds) =>
+      ConversationApi.postShareConversation(getApplicationId(), list.currentChatId.value, { chat_record_ids: chatRecordIds }).then(({ link }) =>
+        copyText(`${window.location.origin}${CHAT_API_BASE_PATH.replace(/\/api$/, '')}/share/${link}`, '分享链接已复制'),
+      ),
+  })
 
   // 智能体名称与图标展示在侧栏与消息列表
   const loadApplicationProfile = () => {
@@ -131,5 +147,5 @@ export function createChatConversation(routing: ChatConversationRouting = useApp
   // 地址中带会话 ID 时打开该会话
   if (getRouteChatId()) list.selectConversation(getRouteChatId())
 
-  return { list, msgs, input, detail }
+  return { list, msgs, input, detail, share }
 }
diff --git a/ui/src/conversation-panel/view/chat/index.vue b/ui/src/conversation-panel/view/chat/index.vue
index af450d45634..73d118c9585 100644
--- a/ui/src/conversation-panel/view/chat/index.vue
+++ b/ui/src/conversation-panel/view/chat/index.vue
@@ -4,10 +4,12 @@ import ConversationLayout from '../../core/layout/index.vue'
 import ConversationList from '../../left-sidebar/conversation-list/index.vue'
 import ChatPanel from '../../main/chat-panel/index.vue'
 import ExecutionDetail from '../../right-sidebar/execution-detail/index.vue'
+import SharePanel from '../../main/share-panel/index.vue'
 import { CONVERSATION_LIST_KEY } from '../../left-sidebar/conversation-list/index'
 import { MESSAGE_LIST_KEY } from '../../components/message-list/index'
 import { MESSAGE_INPUT_KEY } from '../../components/message-input/index'
 import { EXECUTION_DETAIL_KEY } from '../../right-sidebar/execution-detail/index'
+import { SHARE_PANEL_KEY } from '../../main/share-panel/index'
 import { createChatConversation } from './index'
 
 const bundle = createChatConversation()
@@ -17,6 +19,7 @@ provide(CONVERSATION_LIST_KEY, bundle.list)
 provide(MESSAGE_LIST_KEY, bundle.msgs)
 provide(MESSAGE_INPUT_KEY, bundle.input)
 provide(EXECUTION_DETAIL_KEY, bundle.detail)
+provide(SHARE_PANEL_KEY, bundle.share)
 
 // 响应式:窄屏 drawer,宽屏 push
 const BREAKPOINT = 768
@@ -44,6 +47,8 @@ watch(isMobile, (m) => (bundle.list.leftSideOpen.value = !m))
 // 新建或重新选择会话时，即使会话 ID 不变也收起左侧抽屉。
 watch([() => bundle.list.currentChatId.value, () => bundle.list.composerResetSignal.value], () => {
   if (leftMode.value === 'drawer') bundle.list.leftSideOpen.value = false
+  // 切换或新建会话时退出分享模式
+  bundle.share.close()
 })
 </script>
 
@@ -57,7 +62,11 @@ watch([() => bundle.list.currentChatId.value, () => bundle.list.composerResetSig
     @mask-click="closeDrawers"
   >
     <template #left><ConversationList /></template>
-    <template #main><ChatPanel /></template>
+    <template #main>
+      <!-- 分享模式下主区域切换为分享面板 -->
+      <SharePanel v-if="bundle.share.active.value" />
+      <ChatPanel v-else shareable @share="bundle.share.open()" />
+    </template>
     <template #right><ExecutionDetail /></template>
   </ConversationLayout>
 </template>