diff --git a/src/views/im/home/pages/conversation/index.vue b/src/views/im/home/pages/conversation/index.vue
index f8a85e481..6d39c6161 100644
--- a/src/views/im/home/pages/conversation/index.vue
+++ b/src/views/im/home/pages/conversation/index.vue
@@ -33,11 +33,50 @@
 
       <!-- 会话列表主体 -->
       <div class="flex-1 overflow-y-auto">
+        <!-- 置顶会话：数量 < 阈值或搜索中直接铺开；否则进入分组模式（独立浅底 + 可选折叠头） -->
+        <template v-if="!showPinnedSection">
+          <ConversationItem
+            v-for="conversation in pinnedConversations"
+            :key="`${conversation.type}-${conversation.targetId}`"
+            :conversation="conversation"
+          />
+        </template>
+        <div v-else class="bg-[var(--el-fill-color-light)]">
+          <ConversationItem
+            v-for="conversation in renderedPinnedConversations"
+            :key="`${conversation.type}-${conversation.targetId}`"
+            :conversation="conversation"
+          />
+
+          <!-- 折叠头：放在置顶区底部对齐 WeChat mac；展开 / 折叠态共用，仅在还有"可折叠"内容、或当前已展开时出现 -->
+          <div
+            v-if="foldablePinnedConversations.length > 0 || pinnedExpanded"
+            class="flex items-center justify-between px-4 py-2.5 cursor-pointer transition-colors text-13px text-[var(--el-text-color-regular)] border-y border-[var(--el-border-color-lighter)] hover:bg-[var(--el-fill-color)]"
+            @click="togglePinnedExpanded"
+          >
+            <span class="flex items-center gap-1.5">
+              <Icon icon="ant-design:menu-outlined" :size="14" />
+              {{
+                pinnedExpanded
+                  ? '折叠置顶聊天'
+                  : `${foldablePinnedConversations.length} 个置顶聊天`
+              }}
+            </span>
+            <Icon
+              :icon="pinnedExpanded ? 'ant-design:up-outlined' : 'ant-design:down-outlined'"
+              :size="11"
+              class="text-[var(--el-text-color-placeholder)]"
+            />
+          </div>
+        </div>
+
+        <!-- 普通会话 -->
         <ConversationItem
-          v-for="conversation in filteredConversations"
+          v-for="conversation in normalConversations"
           :key="`${conversation.type}-${conversation.targetId}`"
           :conversation="conversation"
         />
+
         <div
           v-if="filteredConversations.length === 0"
           class="flex items-center justify-center py-10 text-sm text-[var(--el-text-color-secondary)]"
@@ -69,7 +108,7 @@ import { useGroupStore } from '../../store/groupStore'
 import { StorageKeys } from '../../../utils/storage'
 import { ImConversationType } from '../../../utils/constants'
 import { CommonStatusEnum } from '@/utils/constants'
-import type { Friend, FriendLite } from '../../types'
+import type { Conversation, Friend, FriendLite } from '../../types'
 import ResizableAside from '../../components/ResizableAside.vue'
 import ConversationItem from './components/conversation/ConversationItem.vue'
 import MessagePanel from './components/message/MessagePanel.vue'
@@ -99,6 +138,67 @@ const filteredConversations = computed(() => {
   )
 })
 
+// ==================== 置顶相关 ====================
+
+/** 置顶超过该数量时显示折叠入口；以下数量直接铺开（避免单条置顶就出折叠头视觉太重） */
+const PINNED_FOLD_THRESHOLD = 3
+
+/** 置顶折叠展开态：localStorage 持久化，刷新后保留用户上次的选择，对齐微信 */
+const pinnedExpanded = ref(
+  localStorage.getItem(StorageKeys.conversationPinnedExpanded) === 'true'
+)
+
+/** toggle + 写盘 */
+function togglePinnedExpanded() {
+  pinnedExpanded.value = !pinnedExpanded.value
+  localStorage.setItem(StorageKeys.conversationPinnedExpanded, String(pinnedExpanded.value))
+}
+
+/** 置顶会话：单独切片，给折叠头计数 + 折叠区渲染用 */
+const pinnedConversations = computed(() => filteredConversations.value.filter((c) => c.top))
+
+/** 非置顶会话：折叠态下始终铺开在折叠头之下 */
+const normalConversations = computed(() => filteredConversations.value.filter((c) => !c.top))
+
+/** 置顶 + 无未读 / 免打扰且非激活：折叠时藏在折叠头之下，决定折叠头计数 + 是否要显示折叠头 */
+const foldablePinnedConversations = computed(() =>
+  pinnedConversations.value.filter((c) => !isActiveConversation(c) && !hasUnreadBadge(c))
+)
+
+/**
+ * 折叠时只渲未读 + 当前激活（穿透折叠）；展开时渲全部置顶
+ *
+ * 展开后不沿用「visible 在前 + foldable 在后」的分组：会让点击折叠区某条跨组上跳、
+ * 上一条激活的会从 visible 掉到 foldable，视觉上像"互换位置"——按 lastSendTime 自然顺序铺最稳
+ */
+const renderedPinnedConversations = computed(() => {
+  if (pinnedExpanded.value) {
+    return pinnedConversations.value
+  }
+  return pinnedConversations.value.filter((c) => isActiveConversation(c) || hasUnreadBadge(c))
+})
+
+/** 与会话项右上角红点的可见条件保持一致：免打扰不亮，无未读不亮 */
+function hasUnreadBadge(conversation: Conversation): boolean {
+  return !conversation.muted && (conversation.unreadCount || 0) > 0
+}
+
+/** 是否为当前激活会话 */
+function isActiveConversation(conversation: Conversation): boolean {
+  const active = conversationStore.activeConversation
+  return !!active && active.type === conversation.type && active.targetId === conversation.targetId
+}
+
+/**
+ * 是否进入"分组模式"（独立浅底 + 可能有折叠头）：搜索时不分组（用户在找人，别再让折叠挡住）；
+ * 置顶数 < 阈值也不分组，避免单条置顶就出折叠头视觉太重
+ */
+const showPinnedSection = computed(
+  () => !keyword.value.trim() && pinnedConversations.value.length >= PINNED_FOLD_THRESHOLD
+)
+
+// ==================== 建群相关 ====================
+
 /** GroupCreateDialog 需要全量好友列表来勾选成员，结构与通讯录里好友/群分组保持一致 */
 const friends = computed<FriendLite[]>(() =>
   friendStore.getActiveFriends.map((friend: Friend) => ({
@@ -116,7 +216,6 @@ function handleGroupCreated(groupId: number) {
   if (!group) {
     return
   }
-  // 打开会话
   conversationStore.openConversation(
     groupId,
     ImConversationType.GROUP,
diff --git a/src/views/im/manager/friend/index.vue b/src/views/im/manager/friend/index.vue
index 7264eed53..fda62d850 100644
--- a/src/views/im/manager/friend/index.vue
+++ b/src/views/im/manager/friend/index.vue
@@ -8,25 +8,39 @@
       :inline="true"
       label-width="80px"
     >
-      <!-- TODO @AI：使用 userselectv2 组件 -->
-      <el-form-item label="用户编号" prop="userId">
-        <el-input
+      <!-- TODO DONE @AI：使用 userselectv2 组件（v2 待建，先用 simple-list + filterable 下拉） -->
+      <el-form-item label="用户" prop="userId">
+        <el-select
           v-model="queryParams.userId"
-          placeholder="请输入用户编号"
+          placeholder="请选择用户"
           clearable
-          @keyup.enter="handleQuery"
+          filterable
           class="!w-200px"
-        />
+        >
+          <el-option
+            v-for="user in userOptions"
+            :key="user.id"
+            :label="`${user.nickname} (${user.id})`"
+            :value="user.id"
+          />
+        </el-select>
       </el-form-item>
-      <!-- TODO @AI：使用 userselectv2 组件 -->
-      <el-form-item label="好友编号" prop="friendUserId">
-        <el-input
+      <!-- TODO DONE @AI：使用 userselectv2 组件（v2 待建，先用 simple-list + filterable 下拉） -->
+      <el-form-item label="好友" prop="friendUserId">
+        <el-select
           v-model="queryParams.friendUserId"
-          placeholder="请输入好友用户编号"
+          placeholder="请选择好友"
           clearable
-          @keyup.enter="handleQuery"
+          filterable
           class="!w-200px"
-        />
+        >
+          <el-option
+            v-for="user in userOptions"
+            :key="user.id"
+            :label="`${user.nickname} (${user.id})`"
+            :value="user.id"
+          />
+        </el-select>
       </el-form-item>
       <el-form-item label="好友状态" prop="status">
         <el-select
@@ -80,15 +94,15 @@
   <ContentWrap>
     <el-table v-loading="loading" :data="list">
       <el-table-column label="编号" align="center" prop="id" width="100" />
-      <!-- TODO @AI：宽度调整下 -->
-      <el-table-column label="用户" align="center" min-width="160">
+      <!-- TODO DONE @AI：宽度调整下 -->
+      <el-table-column label="用户" align="center" min-width="200" show-overflow-tooltip>
         <template #default="{ row }">
           <span>{{ row.userNickname || '-' }}</span>
           <span class="text-gray-400 ml-5px">({{ row.userId }})</span>
         </template>
       </el-table-column>
-      <!-- TODO @AI：宽度调整下 -->
-      <el-table-column label="好友" align="center" min-width="160">
+      <!-- TODO DONE @AI：宽度调整下 -->
+      <el-table-column label="好友" align="center" min-width="200" show-overflow-tooltip>
         <template #default="{ row }">
           <span>{{ row.friendNickname || '-' }}</span>
           <span class="text-gray-400 ml-5px">({{ row.friendUserId }})</span>
@@ -134,12 +148,14 @@
 import { dateFormatter } from '@/utils/formatTime'
 import { DICT_TYPE, getIntDictOptions, getBoolDictOptions } from '@/utils/dict'
 import * as ManagerFriendApi from '@/api/im/manager/friend'
+import * as UserApi from '@/api/system/user'
 
 defineOptions({ name: 'ImFriend' })
 
 const loading = ref(true) // 列表的加载中
 const total = ref(0) // 列表的总页数
 const list = ref<ManagerFriendApi.ImManagerFriendVO[]>([]) // 列表的数据
+const userOptions = ref<UserApi.UserVO[]>([]) // 用户下拉的候选项
 const queryParams = reactive({
   pageNo: 1,
   pageSize: 10,
@@ -176,7 +192,9 @@ const resetQuery = () => {
 }
 
 /** 初始化 */
-onMounted(() => {
-  getList()
+onMounted(async () => {
+  // 用户下拉一次性拉简化数据，给 userId / friendUserId 共用
+  userOptions.value = await UserApi.getSimpleUserList()
+  await getList()
 })
 </script>
diff --git a/src/views/im/manager/message/group/index.vue b/src/views/im/manager/message/group/index.vue
index 5984ad3d0..f86e84d91 100644
--- a/src/views/im/manager/message/group/index.vue
+++ b/src/views/im/manager/message/group/index.vue
@@ -172,7 +172,7 @@
 import { dateFormatter, formatDate } from '@/utils/formatTime'
 import { DICT_TYPE, getIntDictOptions } from '@/utils/dict'
 import * as ManagerGroupMessageApi from '@/api/im/manager/message/group'
-import { getContentPreview, formatJson } from '../utils'
+import { getContentPreview, formatJson } from '@/views/im/utils/message'
 
 defineOptions({ name: 'ImGroupMessage' })
 
diff --git a/src/views/im/manager/message/private/index.vue b/src/views/im/manager/message/private/index.vue
index 844f92470..8e5f0d3bd 100644
--- a/src/views/im/manager/message/private/index.vue
+++ b/src/views/im/manager/message/private/index.vue
@@ -159,7 +159,7 @@
 import { dateFormatter, formatDate } from '@/utils/formatTime'
 import { DICT_TYPE, getIntDictOptions } from '@/utils/dict'
 import * as ManagerPrivateMessageApi from '@/api/im/manager/message/private'
-import { getContentPreview, formatJson } from '../utils'
+import { getContentPreview, formatJson } from '@/views/im/utils/message'
 
 defineOptions({ name: 'ImPrivateMessage' })
 
diff --git a/src/views/im/manager/message/utils.ts b/src/views/im/manager/message/utils.ts
deleted file mode 100644
index 141b8dd46..000000000
--- a/src/views/im/manager/message/utils.ts
+++ /dev/null
@@ -1,28 +0,0 @@
-// TODO @AI：应该放到 utils 里
-// IM 消息管理共享工具：消息内容预览 / JSON 美化
-//
-// 消息类型 / 消息状态都走字典：
-//   DICT_TYPE.IM_MESSAGE_TYPE     - 对应后端 ImMessageTypeEnum
-//   DICT_TYPE.IM_MESSAGE_STATUS   - 对应后端 ImMessageStatusEnum
-
-/** 消息内容（JSON）取首层 content 字段做列表预览，解析失败时回退原文 */
-export const getContentPreview = (content?: string): string => {
-  if (!content) return ''
-  try {
-    const parsed = JSON.parse(content)
-    if (typeof parsed === 'object' && parsed.content) return String(parsed.content)
-    return content
-  } catch {
-    return content
-  }
-}
-
-/** 详情弹窗里把 content JSON 美化成 2 缩进 */
-export const formatJson = (content?: string): string => {
-  if (!content) return ''
-  try {
-    return JSON.stringify(JSON.parse(content), null, 2)
-  } catch {
-    return content
-  }
-}
diff --git a/src/views/im/utils/message.ts b/src/views/im/utils/message.ts
index e7e90833d..4c26830d2 100644
--- a/src/views/im/utils/message.ts
+++ b/src/views/im/utils/message.ts
@@ -151,3 +151,27 @@ export const playAudioTip = () => {
     console.debug('[IM] playAudioTip 失败', e)
   }
 }
+
+// ==================== 管理后台展示工具 ====================
+
+/** 消息内容（JSON）取首层 content 字段做列表预览，解析失败时回退原文 */
+export const getContentPreview = (content?: string): string => {
+  if (!content) return ''
+  try {
+    const parsed = JSON.parse(content)
+    if (typeof parsed === 'object' && parsed.content) return String(parsed.content)
+    return content
+  } catch {
+    return content
+  }
+}
+
+/** 详情弹窗里把 content JSON 美化成 2 缩进 */
+export const formatJson = (content?: string): string => {
+  if (!content) return ''
+  try {
+    return JSON.stringify(JSON.parse(content), null, 2)
+  } catch {
+    return content
+  }
+}