diff --git a/tenant-platform/src/api/im.ts b/tenant-platform/src/api/im.ts
index b960648..267ac3d 100644
--- a/tenant-platform/src/api/im.ts
+++ b/tenant-platform/src/api/im.ts
@@ -19,7 +19,7 @@ export interface ImUser {
   avatar?: string
   status: 'ACTIVE' | 'BANNED'
   gender: 'UNKNOWN' | 'MALE' | 'FEMALE'
-  createdAt: string
+  createdAt: number
 }
 
 export interface ImGroup {
@@ -27,9 +27,33 @@ export interface ImGroup {
   appId: string
   name: string
   creatorId: string
-  memberIds: string[]
-  adminIds: string[]
-  createdAt: string
+  groupType?: string | null
+  memberIds: string
+  adminIds: string
+  announcement?: string | null
+  createdAt: number
+}
+
+export interface ImMessage {
+  id: string
+  appId: string
+  fromUserId: string
+  toId: string
+  chatType: 'SINGLE' | 'GROUP'
+  msgType: string
+  content: string
+  status: string
+  mentionedUserIds?: string | null
+  groupReadCount?: number | null
+  createdAt: number
+}
+
+export interface PagedResult<T> {
+  content: T[]
+  totalElements: number
+  totalPages: number
+  size: number
+  number: number
 }
 
 export interface ImStats {
@@ -41,13 +65,13 @@ export interface ImStats {
 
 export const imAdminApi = {
   listUsers(appId: string, page = 0, size = 20) {
-    return imClient.get<{ data: { content: ImUser[]; totalElements: number; totalPages: number } }>(
+    return imClient.get<{ data: PagedResult<ImUser> }>(
       '/api/im/admin/users', { params: { appId, page, size } },
     )
   },
 
   updateUserStatus(appId: string, userId: string, status: 'ACTIVE' | 'BANNED') {
-    return imClient.put(`/api/im/admin/users/${userId}/status`, { status }, { params: { appId } })
+    return imClient.put(`/api/im/admin/users/${encodeURIComponent(userId)}/status`, { status }, { params: { appId } })
   },
 
   listGroups(appId: string) {
@@ -58,6 +82,46 @@ export const imAdminApi = {
     return imClient.get<{ data: ImStats }>('/api/im/admin/stats', { params: { appId } })
   },
 
+  getMessages(
+    appId: string,
+    userA: string,
+    userB: string,
+    page = 0,
+    size = 20,
+    filters?: {
+      msgType?: string
+      keyword?: string
+      startTime?: string
+      endTime?: string
+    },
+  ) {
+    return imClient.get<{ data: PagedResult<ImMessage> }>('/api/im/admin/messages', {
+      params: {
+        appId,
+        userA,
+        userB,
+        page,
+        size,
+        ...(filters?.msgType ? { msgType: filters.msgType } : {}),
+        ...(filters?.keyword ? { keyword: filters.keyword } : {}),
+        ...(filters?.startTime ? { startTime: filters.startTime } : {}),
+        ...(filters?.endTime ? { endTime: filters.endTime } : {}),
+      },
+    })
+  },
+
+  revokeMessage(appId: string, messageId: string) {
+    return imClient.post<{ data: ImMessage }>(
+      `/api/im/admin/messages/${encodeURIComponent(messageId)}/revoke`,
+      {},
+      { params: { appId } },
+    )
+  },
+
+  dismissGroup(appId: string, groupId: string) {
+    return imClient.delete<{ data: null }>(`/api/im/admin/groups/${encodeURIComponent(groupId)}`, { params: { appId } })
+  },
+
   registerUser(appId: string, userId: string, nickname?: string, avatar?: string) {
     return imClient.post<{ data: ImUser }>(
       '/api/im/admin/users',
diff --git a/tenant-platform/src/views/im/ImManagementView.vue b/tenant-platform/src/views/im/ImManagementView.vue
index ff40ed3..410d0b6 100644
--- a/tenant-platform/src/views/im/ImManagementView.vue
+++ b/tenant-platform/src/views/im/ImManagementView.vue
@@ -2,7 +2,6 @@
   <div>
     <el-page-header @back="$router.back()" :content="`即时通讯管理 — ${appId}`" style="margin-bottom:20px" />
 
-    <!-- Stats -->
     <el-row :gutter="16" style="margin-bottom:20px">
       <el-col :span="6" v-for="item in statCards" :key="item.label">
         <el-card shadow="never">
@@ -14,44 +13,48 @@
       </el-col>
     </el-row>
 
-    <el-card>
+    <el-card shadow="never">
       <el-tabs v-model="activeTab" @tab-change="handleTabChange">
-        <!-- Users Tab -->
         <el-tab-pane label="注册用户" name="users">
           <div class="toolbar">
             <el-button type="primary" @click="showRegisterUser = true">注册用户</el-button>
             <el-button @click="loadUsers" :loading="loadingUsers">刷新</el-button>
           </div>
+
           <el-table :data="users" v-loading="loadingUsers" border stripe>
-            <el-table-column prop="userId" label="用户ID" width="160" />
-            <el-table-column prop="nickname" label="昵称" width="120" />
-            <el-table-column prop="gender" label="性别" width="80">
-              <template #default="{row}">
-                {{ { UNKNOWN: '未知', MALE: '男', FEMALE: '女' }[row.gender] }}
+            <el-table-column prop="userId" label="用户ID" width="180" />
+            <el-table-column prop="nickname" label="昵称" width="140" />
+            <el-table-column prop="gender" label="性别" width="90">
+              <template #default="{ row }">
+                {{ genderLabel[row.gender] ?? '未知' }}
               </template>
             </el-table-column>
             <el-table-column prop="status" label="状态" width="100">
-              <template #default="{row}">
+              <template #default="{ row }">
                 <el-tag :type="row.status === 'ACTIVE' ? 'success' : 'danger'" size="small">
                   {{ row.status === 'ACTIVE' ? '正常' : '封禁' }}
                 </el-tag>
               </template>
             </el-table-column>
             <el-table-column prop="createdAt" label="注册时间" width="180">
-              <template #default="{row}">{{ formatTime(row.createdAt) }}</template>
+              <template #default="{ row }">
+                {{ formatTime(row.createdAt) }}
+              </template>
             </el-table-column>
-            <el-table-column label="操作" width="120" fixed="right">
-              <template #default="{row}">
+            <el-table-column label="操作" width="140" fixed="right">
+              <template #default="{ row }">
                 <el-button
                   link
                   :type="row.status === 'ACTIVE' ? 'danger' : 'success'"
                   size="small"
-                  @click="toggleUserStatus(row)">
+                  @click="toggleUserStatus(row)"
+                >
                   {{ row.status === 'ACTIVE' ? '封禁' : '解封' }}
                 </el-button>
               </template>
             </el-table-column>
           </el-table>
+
           <el-pagination
             v-if="userTotal > userPageSize"
             style="margin-top:16px"
@@ -59,36 +62,125 @@
             :total="userTotal"
             :page-size="userPageSize"
             :current-page="userPage + 1"
-            @current-change="p => { userPage = p - 1; loadUsers() }"
+            @current-change="handleUserPageChange"
           />
         </el-tab-pane>
 
-        <!-- Groups Tab -->
         <el-tab-pane label="群组列表" name="groups">
           <div class="toolbar">
-            <el-button type="primary" @click="showCreateGroup = true">创建群组</el-button>
             <el-button @click="loadGroups" :loading="loadingGroups">刷新</el-button>
           </div>
+
           <el-table :data="groups" v-loading="loadingGroups" border stripe>
             <el-table-column prop="id" label="群组ID" width="240" />
-            <el-table-column prop="name" label="群名称" />
-            <el-table-column prop="creatorId" label="创建者" width="160" />
-            <el-table-column label="成员数" width="100">
-              <template #default="{row}">{{ (row.memberIds ?? []).length }}</template>
+            <el-table-column prop="name" label="群名称" min-width="160" />
+            <el-table-column prop="groupType" label="类型" width="110">
+              <template #default="{ row }">
+                {{ row.groupType || 'WORK' }}
+              </template>
             </el-table-column>
+            <el-table-column label="成员数" width="100">
+              <template #default="{ row }">{{ parseIdList(row.memberIds).length }}</template>
+            </el-table-column>
+            <el-table-column label="管理员" width="100">
+              <template #default="{ row }">{{ parseIdList(row.adminIds).length }}</template>
+            </el-table-column>
+            <el-table-column prop="creatorId" label="群主" width="160" />
+            <el-table-column prop="announcement" label="公告" min-width="200" show-overflow-tooltip />
             <el-table-column prop="createdAt" label="创建时间" width="180">
-              <template #default="{row}">{{ formatTime(row.createdAt) }}</template>
+              <template #default="{ row }">{{ formatTime(row.createdAt) }}</template>
+            </el-table-column>
+            <el-table-column label="操作" width="120" fixed="right">
+              <template #default="{ row }">
+                <el-button link type="danger" size="small" @click="dismissGroup(row)">
+                  解散
+                </el-button>
+              </template>
             </el-table-column>
           </el-table>
         </el-tab-pane>
+
+        <el-tab-pane label="消息历史" name="messages">
+          <el-form :inline="true" :model="historyForm" class="toolbar" label-width="0">
+            <el-form-item>
+              <el-input v-model="historyForm.userA" placeholder="用户A" clearable style="width:160px" />
+            </el-form-item>
+            <el-form-item>
+              <el-input v-model="historyForm.userB" placeholder="用户B" clearable style="width:160px" />
+            </el-form-item>
+            <el-form-item>
+              <el-input v-model="historyForm.keyword" placeholder="关键词" clearable style="width:180px" />
+            </el-form-item>
+            <el-form-item>
+              <el-select v-model="historyForm.msgType" placeholder="消息类型" clearable style="width:140px">
+                <el-option v-for="item in msgTypeOptions" :key="item.value" :label="item.label" :value="item.value" />
+              </el-select>
+            </el-form-item>
+            <el-form-item>
+              <el-date-picker
+                v-model="historyForm.timeRange"
+                type="datetimerange"
+                range-separator="至"
+                start-placeholder="开始时间"
+                end-placeholder="结束时间"
+                value-format="YYYY-MM-DD HH:mm:ss"
+                style="width:340px"
+              />
+            </el-form-item>
+            <el-form-item>
+              <el-button type="primary" :loading="loadingMessages" @click="searchMessages">
+                查询
+              </el-button>
+            </el-form-item>
+            <el-form-item>
+              <el-button @click="resetMessageSearch">重置</el-button>
+            </el-form-item>
+          </el-form>
+
+          <el-table :data="messages" v-loading="loadingMessages" border stripe>
+            <el-table-column prop="createdAt" label="时间" width="180">
+              <template #default="{ row }">{{ formatTime(row.createdAt) }}</template>
+            </el-table-column>
+            <el-table-column prop="fromUserId" label="发送者" width="160" />
+            <el-table-column prop="toId" label="会话ID" width="180" />
+            <el-table-column prop="chatType" label="类型" width="90" />
+            <el-table-column prop="msgType" label="消息类型" width="110" />
+            <el-table-column prop="status" label="状态" width="100" />
+            <el-table-column prop="content" label="内容" min-width="260">
+              <template #default="{ row }">
+                <span class="content-preview">{{ formatContent(row.content) }}</span>
+              </template>
+            </el-table-column>
+            <el-table-column label="操作" width="110" fixed="right">
+              <template #default="{ row }">
+                <el-button link type="danger" size="small" @click="revokeMessage(row)">
+                  撤回
+                </el-button>
+              </template>
+            </el-table-column>
+          </el-table>
+
+          <el-pagination
+            v-if="historyTotal > historyPageSize"
+            style="margin-top:16px"
+            layout="prev, pager, next"
+            :total="historyTotal"
+            :page-size="historyPageSize"
+            :current-page="historyPage + 1"
+            @current-change="handleHistoryPageChange"
+          />
+        </el-tab-pane>
       </el-tabs>
     </el-card>
 
-    <!-- Register User Dialog -->
-    <el-dialog v-model="showRegisterUser" title="注册用户" width="400px">
-      <el-form :model="registerForm" label-width="80px">
-        <el-form-item label="用户ID"><el-input v-model="registerForm.userId" placeholder="全局唯一标识" /></el-form-item>
-        <el-form-item label="昵称"><el-input v-model="registerForm.nickname" /></el-form-item>
+    <el-dialog v-model="showRegisterUser" title="注册用户" width="420px">
+      <el-form :model="registerForm" label-width="72px">
+        <el-form-item label="用户ID">
+          <el-input v-model="registerForm.userId" placeholder="全局唯一标识" />
+        </el-form-item>
+        <el-form-item label="昵称">
+          <el-input v-model="registerForm.nickname" />
+        </el-form-item>
       </el-form>
       <template #footer>
         <el-button @click="showRegisterUser = false">取消</el-button>
@@ -96,11 +188,14 @@
       </template>
     </el-dialog>
 
-    <!-- Create Group Dialog -->
-    <el-dialog v-model="showCreateGroup" title="创建群组" width="480px" @closed="resetCreateGroupForm">
+    <el-dialog v-model="showCreateGroup" title="创建群组" width="520px" @closed="resetCreateGroupForm">
       <el-form :model="createGroupForm" label-width="90px">
-        <el-form-item label="群名称"><el-input v-model="createGroupForm.name" /></el-form-item>
-        <el-form-item label="创建者ID"><el-input v-model="createGroupForm.creatorId" /></el-form-item>
+        <el-form-item label="群名称">
+          <el-input v-model="createGroupForm.name" />
+        </el-form-item>
+        <el-form-item label="创建者ID">
+          <el-input v-model="createGroupForm.creatorId" />
+        </el-form-item>
         <el-form-item label="搜索成员">
           <el-input
             v-model="memberSearchKeyword"
@@ -109,7 +204,6 @@
             clearable
             @input="onMemberSearchInput"
           />
-          <!-- Search results list -->
           <div v-if="memberSearchResults.length > 0" class="search-results">
             <div
               v-for="user in memberSearchResults"
@@ -121,8 +215,12 @@
               <span class="result-userid">{{ user.userId }}</span>
             </div>
           </div>
-          <el-empty v-else-if="memberSearchKeyword && !searchingMembers && memberSearchResults.length === 0"
-            description="未找到匹配用户" :image-size="48" style="padding:8px 0" />
+          <el-empty
+            v-else-if="memberSearchKeyword && !searchingMembers && memberSearchResults.length === 0"
+            description="未找到匹配用户"
+            :image-size="48"
+            style="padding:8px 0"
+          />
         </el-form-item>
         <el-form-item label="已选成员">
           <div class="selected-members">
@@ -149,15 +247,26 @@
 </template>
 
 <script setup lang="ts">
-import { ref, computed, onMounted } from 'vue'
+import { computed, onMounted, ref } from 'vue'
 import { useRoute } from 'vue-router'
 import { ElMessage, ElMessageBox } from 'element-plus'
 import { Search } from '@element-plus/icons-vue'
-import { imAdminApi, type ImUser, type ImGroup, type ImStats } from '@/api/im'
+import { imAdminApi, type ImGroup, type ImMessage, type ImStats, type ImUser } from '@/api/im'
 
 const route = useRoute()
 const appId = route.params.appId as string
 
+const genderLabel: Record<string, string> = {
+  UNKNOWN: '未知',
+  MALE: '男',
+  FEMALE: '女',
+}
+
+const msgTypeOptions = [
+  'TEXT', 'IMAGE', 'VIDEO', 'AUDIO', 'FILE', 'CUSTOM', 'LOCATION', 'NOTIFY',
+  'RICH_TEXT', 'CALL_AUDIO', 'CALL_VIDEO', 'FORWARD', 'QUOTE', 'MERGE', 'REVOKED',
+].map(value => ({ label: value, value }))
+
 const activeTab = ref('users')
 const stats = ref<ImStats | null>(null)
 
@@ -170,6 +279,20 @@ const userTotal = ref(0)
 const groups = ref<ImGroup[]>([])
 const loadingGroups = ref(false)
 
+const messages = ref<ImMessage[]>([])
+const loadingMessages = ref(false)
+const historyPage = ref(0)
+const historyPageSize = 20
+const historyTotal = ref(0)
+
+const historyForm = ref({
+  userA: '',
+  userB: '',
+  keyword: '',
+  msgType: '',
+  timeRange: [] as string[] | null,
+})
+
 const showRegisterUser = ref(false)
 const submittingRegister = ref(false)
 const registerForm = ref({ userId: '', nickname: '' })
@@ -178,27 +301,58 @@ const showCreateGroup = ref(false)
 const submittingCreateGroup = ref(false)
 const createGroupForm = ref({ name: '', creatorId: '' })
 
-// Member fuzzy search
 const memberSearchKeyword = ref('')
 const memberSearchResults = ref<ImUser[]>([])
 const searchingMembers = ref(false)
 const selectedMembers = ref<ImUser[]>([])
 let memberSearchTimer: ReturnType<typeof setTimeout> | null = null
 
+const statCards = computed(() => [
+  { label: '注册用户', value: stats.value?.totalUsers ?? '-' },
+  { label: '群组数', value: stats.value?.totalGroups ?? '-' },
+  { label: '消息总量', value: stats.value?.totalMessages ?? '-' },
+  { label: '今日消息', value: stats.value?.todayMessages ?? '-' },
+])
+
+function formatTime(value: number | string | null | undefined) {
+  if (value === null || value === undefined || value === '') return '-'
+  const date = new Date(value)
+  return Number.isNaN(date.getTime()) ? '-' : date.toLocaleString('zh-CN')
+}
+
+function formatContent(content: string) {
+  if (!content) return '-'
+  return content.length > 120 ? `${content.slice(0, 120)}...` : content
+}
+
+function parseIdList(value: string) {
+  try {
+    const parsed = JSON.parse(value)
+    return Array.isArray(parsed) ? parsed : []
+  } catch {
+    return []
+  }
+}
+
+function toLocalDateTime(value: string) {
+  if (!value) return ''
+  if (value.includes('T')) return value
+  return value.replace(' ', 'T')
+}
+
 function onMemberSearchInput() {
   if (memberSearchTimer) clearTimeout(memberSearchTimer)
-  const kw = memberSearchKeyword.value.trim()
-  if (!kw) {
+  const keyword = memberSearchKeyword.value.trim()
+  if (!keyword) {
     memberSearchResults.value = []
     return
   }
   memberSearchTimer = setTimeout(async () => {
     searchingMembers.value = true
     try {
-      const res = await imAdminApi.searchUsers(appId, kw)
-      // Exclude already-selected members from results
-      const selectedIds = new Set(selectedMembers.value.map(m => m.userId))
-      memberSearchResults.value = res.data.data.filter(u => !selectedIds.has(u.userId))
+      const res = await imAdminApi.searchUsers(appId, keyword)
+      const selectedIds = new Set(selectedMembers.value.map(item => item.userId))
+      memberSearchResults.value = res.data.data.filter(user => !selectedIds.has(user.userId))
     } catch {
       memberSearchResults.value = []
     } finally {
@@ -208,15 +362,15 @@ function onMemberSearchInput() {
 }
 
 function addMember(user: ImUser) {
-  if (!selectedMembers.value.find(m => m.userId === user.userId)) {
+  if (!selectedMembers.value.find(item => item.userId === user.userId)) {
     selectedMembers.value.push(user)
   }
-  memberSearchResults.value = memberSearchResults.value.filter(u => u.userId !== user.userId)
+  memberSearchResults.value = memberSearchResults.value.filter(item => item.userId !== user.userId)
   memberSearchKeyword.value = ''
 }
 
 function removeMember(userId: string) {
-  selectedMembers.value = selectedMembers.value.filter(m => m.userId !== userId)
+  selectedMembers.value = selectedMembers.value.filter(item => item.userId !== userId)
 }
 
 function resetCreateGroupForm() {
@@ -226,22 +380,26 @@ function resetCreateGroupForm() {
   selectedMembers.value = []
 }
 
-const statCards = computed(() => [
-  { label: '注册用户', value: stats.value?.totalUsers ?? '-' },
-  { label: '群组数', value: stats.value?.totalGroups ?? '-' },
-  { label: '消息总量', value: stats.value?.totalMessages ?? '-' },
-  { label: '今日消息', value: stats.value?.todayMessages ?? '-' },
-])
-
-function formatTime(t: string) {
-  return t ? new Date(t).toLocaleString('zh-CN') : '-'
+function resetMessageSearch() {
+  historyForm.value = {
+    userA: '',
+    userB: '',
+    keyword: '',
+    msgType: '',
+    timeRange: [],
+  }
+  messages.value = []
+  historyTotal.value = 0
+  historyPage.value = 0
 }
 
 async function loadStats() {
   try {
     const res = await imAdminApi.getStats(appId)
     stats.value = res.data.data
-  } catch {}
+  } catch {
+    stats.value = null
+  }
 }
 
 async function loadUsers() {
@@ -250,7 +408,7 @@ async function loadUsers() {
     const res = await imAdminApi.listUsers(appId, userPage.value, userPageSize)
     users.value = res.data.data.content
     userTotal.value = res.data.data.totalElements
-  } catch (e) {
+  } catch {
     ElMessage.error('加载用户失败')
   } finally {
     loadingUsers.value = false
@@ -262,35 +420,86 @@ async function loadGroups() {
   try {
     const res = await imAdminApi.listGroups(appId)
     groups.value = res.data.data
-  } catch (e) {
+  } catch {
     ElMessage.error('加载群组失败')
   } finally {
     loadingGroups.value = false
   }
 }
 
+async function loadMessages(page = historyPage.value) {
+  const userA = historyForm.value.userA.trim()
+  const userB = historyForm.value.userB.trim()
+  if (!userA || !userB) {
+    ElMessage.warning('请填写用户A和用户B')
+    return
+  }
+  loadingMessages.value = true
+  try {
+    const [startTime, endTime] = historyForm.value.timeRange ?? []
+    const res = await imAdminApi.getMessages(appId, userA, userB, page, historyPageSize, {
+      keyword: historyForm.value.keyword.trim() || undefined,
+      msgType: historyForm.value.msgType || undefined,
+      startTime: startTime ? toLocalDateTime(startTime) : undefined,
+      endTime: endTime ? toLocalDateTime(endTime) : undefined,
+    })
+    messages.value = res.data.data.content
+    historyTotal.value = res.data.data.totalElements
+    historyPage.value = page
+  } catch {
+    ElMessage.error('加载消息历史失败')
+  } finally {
+    loadingMessages.value = false
+  }
+}
+
+async function searchMessages() {
+  await loadMessages(0)
+}
+
 async function toggleUserStatus(user: ImUser) {
-  const newStatus = user.status === 'ACTIVE' ? 'BANNED' : 'ACTIVE'
-  const action = newStatus === 'BANNED' ? '封禁' : '解封'
+  const nextStatus = user.status === 'ACTIVE' ? 'BANNED' : 'ACTIVE'
+  const action = nextStatus === 'BANNED' ? '封禁' : '解封'
   await ElMessageBox.confirm(`确认${action}用户 ${user.userId}？`, `${action}用户`, {
     type: 'warning',
     confirmButtonText: '确认',
     cancelButtonText: '取消',
   })
-  await imAdminApi.updateUserStatus(appId, user.userId, newStatus)
+  await imAdminApi.updateUserStatus(appId, user.userId, nextStatus)
   ElMessage.success(`已${action}`)
   loadUsers()
 }
 
-function handleTabChange(tab: string) {
-  if (tab === 'groups' && groups.value.length === 0) loadGroups()
+async function revokeMessage(message: ImMessage) {
+  await ElMessageBox.confirm(`确认撤回消息 ${message.id}？`, '撤回消息', {
+    type: 'warning',
+    confirmButtonText: '确认',
+    cancelButtonText: '取消',
+  })
+  await imAdminApi.revokeMessage(appId, message.id)
+  ElMessage.success('消息已撤回')
+  loadMessages(historyPage.value)
+}
+
+async function dismissGroup(group: ImGroup) {
+  await ElMessageBox.confirm(`确认解散群组 ${group.name}？`, '解散群组', {
+    type: 'warning',
+    confirmButtonText: '确认',
+    cancelButtonText: '取消',
+  })
+  await imAdminApi.dismissGroup(appId, group.id)
+  ElMessage.success('群组已解散')
+  loadGroups()
 }
 
 async function submitRegisterUser() {
-  if (!registerForm.value.userId.trim()) return ElMessage.warning('请填写用户ID')
+  if (!registerForm.value.userId.trim()) {
+    ElMessage.warning('请填写用户ID')
+    return
+  }
   submittingRegister.value = true
   try {
-    await imAdminApi.registerUser(appId, registerForm.value.userId, registerForm.value.nickname)
+    await imAdminApi.registerUser(appId, registerForm.value.userId.trim(), registerForm.value.nickname.trim())
     ElMessage.success('用户注册成功')
     showRegisterUser.value = false
     registerForm.value = { userId: '', nickname: '' }
@@ -305,12 +514,13 @@ async function submitRegisterUser() {
 
 async function submitCreateGroup() {
   if (!createGroupForm.value.name.trim() || !createGroupForm.value.creatorId.trim()) {
-    return ElMessage.warning('请填写群名称和创建者ID')
+    ElMessage.warning('请填写群名称和创建者ID')
+    return
   }
   submittingCreateGroup.value = true
   try {
-    const memberIds = selectedMembers.value.map(m => m.userId)
-    await imAdminApi.createGroup(appId, createGroupForm.value.name, createGroupForm.value.creatorId, memberIds)
+    const memberIds = selectedMembers.value.map(item => item.userId)
+    await imAdminApi.createGroup(appId, createGroupForm.value.name.trim(), createGroupForm.value.creatorId.trim(), memberIds)
     ElMessage.success('群组创建成功')
     showCreateGroup.value = false
     loadGroups()
@@ -322,6 +532,21 @@ async function submitCreateGroup() {
   }
 }
 
+function handleTabChange(tab: string) {
+  if (tab === 'groups' && groups.value.length === 0) {
+    loadGroups()
+  }
+}
+
+function handleUserPageChange(page: number) {
+  userPage.value = page - 1
+  loadUsers()
+}
+
+function handleHistoryPageChange(page: number) {
+  loadMessages(page - 1)
+}
+
 onMounted(() => {
   loadStats()
   loadUsers()
@@ -329,10 +554,28 @@ onMounted(() => {
 </script>
 
 <style scoped>
-.stat-card { display: flex; flex-direction: column; align-items: center; gap: 4px; padding: 8px 0; }
-.stat-value { font-size: 28px; font-weight: 800; color: #1f2933; }
-.stat-label { font-size: 13px; color: #6b7280; }
-.toolbar { margin-bottom: 12px; }
+.stat-card {
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  gap: 4px;
+  padding: 8px 0;
+}
+
+.stat-value {
+  font-size: 28px;
+  font-weight: 800;
+  color: #1f2933;
+}
+
+.stat-label {
+  font-size: 13px;
+  color: #6b7280;
+}
+
+.toolbar {
+  margin-bottom: 12px;
+}
 
 .search-results {
   width: 100%;
@@ -343,6 +586,7 @@ onMounted(() => {
   overflow-y: auto;
   background: #fff;
 }
+
 .search-result-item {
   display: flex;
   align-items: center;
@@ -351,9 +595,20 @@ onMounted(() => {
   cursor: pointer;
   transition: background 0.15s;
 }
-.search-result-item:hover { background: #f0f4ff; }
-.result-nickname { font-weight: 500; color: #303133; }
-.result-userid { font-size: 12px; color: #909399; }
+
+.search-result-item:hover {
+  background: #f0f4ff;
+}
+
+.result-nickname {
+  font-weight: 500;
+  color: #303133;
+}
+
+.result-userid {
+  font-size: 12px;
+  color: #909399;
+}
 
 .selected-members {
   display: flex;
@@ -362,5 +617,15 @@ onMounted(() => {
   min-height: 32px;
   width: 100%;
 }
-.no-members-hint { font-size: 13px; color: #c0c4cc; }
+
+.no-members-hint {
+  font-size: 13px;
+  color: #c0c4cc;
+}
+
+.content-preview {
+  display: inline-block;
+  max-width: 100%;
+  word-break: break-all;
+}
 </style>