diff --git a/src/api/admin/types.ts b/src/api/admin/types.ts
index a58f120..8641c5f 100644
--- a/src/api/admin/types.ts
+++ b/src/api/admin/types.ts
@@ -386,6 +386,10 @@ export interface AppUserItem {
   maskedTarget: string
   createdAt?: string
   lastLoginAt?: string
+  /** ANDROID / IOS / WEB */
+  platform?: string
+  /** 系统版本，例如 Android 16 */
+  osVersion?: string
   /** 预留：会员等级与到期（第二阶段） */
   vipLevel?: number
   vipExpireAt?: string
@@ -425,6 +429,8 @@ export interface WatchHistoryItem {
   finished?: boolean
   source: string
   deviceId: string
+  platform?: string
+  osVersion?: string
   watchedAt?: string
 }
 
diff --git a/src/views/userManagement/AppUsersView.vue b/src/views/userManagement/AppUsersView.vue
index 5b39fe1..ab5c11e 100644
--- a/src/views/userManagement/AppUsersView.vue
+++ b/src/views/userManagement/AppUsersView.vue
@@ -11,6 +11,7 @@ import {
   COUNTRY_OPTIONS,
   formatDuration,
   statusMeta,
+  systemText,
   useAppUsers
 } from './composables/useAppUsers'
 
@@ -172,6 +173,9 @@ function canBeBanned(row) {
           </div>
         </template>
       </el-table-column>
+      <el-table-column label="系统" width="130" show-overflow-tooltip>
+        <template #default="{ row }">{{ systemText(row) }}</template>
+      </el-table-column>
       <el-table-column label="手机 / 邮箱" min-width="150" show-overflow-tooltip>
         <template #default="{ row }">
           <span class="app-user-mono">{{ row.maskedTarget || '—' }}</span>
@@ -268,6 +272,7 @@ function canBeBanned(row) {
             <el-descriptions-item label="最后登录">{{
               detail.lastLoginAt || '—'
             }}</el-descriptions-item>
+            <el-descriptions-item label="系统">{{ systemText(detail) }}</el-descriptions-item>
             <el-descriptions-item label="会员">
               {{ detail.vipLevel ? `等级 ${detail.vipLevel}` : '未开通（第二阶段）' }}
             </el-descriptions-item>
@@ -299,6 +304,9 @@ function canBeBanned(row) {
             <el-table-column label="完成" width="70">
               <template #default="{ row }">{{ row.finished ? '是' : '否' }}</template>
             </el-table-column>
+            <el-table-column label="系统" width="120" show-overflow-tooltip>
+              <template #default="{ row }">{{ systemText(row) }}</template>
+            </el-table-column>
             <el-table-column label="来源" width="80">
               <template #default="{ row }">{{
                 SOURCE_TEXT[row.source] || row.source || '—'
diff --git a/src/views/userManagement/WatchHistoryView.vue b/src/views/userManagement/WatchHistoryView.vue
index 67b1233..eace7b7 100644
--- a/src/views/userManagement/WatchHistoryView.vue
+++ b/src/views/userManagement/WatchHistoryView.vue
@@ -4,7 +4,7 @@
 import { onMounted, reactive, ref } from 'vue'
 import PageHeading from '@/views/components/PageHeading.vue'
 import { pageWatchHistoryApi } from '@/api/admin/appUser'
-import { formatDuration } from './composables/useAppUsers'
+import { formatDuration, systemText } from './composables/useAppUsers'
 
 const SOURCE_OPTIONS = [
   { value: '', label: '全部' },
@@ -176,6 +176,9 @@ onMounted(load)
           </div>
         </template>
       </el-table-column>
+      <el-table-column label="系统" width="130" show-overflow-tooltip>
+        <template #default="{ row }">{{ systemText(row) }}</template>
+      </el-table-column>
       <el-table-column label="短剧" min-width="190">
         <template #default="{ row }">
           <el-tooltip :content="contentTooltip(row)" placement="top">
diff --git a/src/views/userManagement/composables/useAppUsers.js b/src/views/userManagement/composables/useAppUsers.js
index ad119cb..46d3226 100644
--- a/src/views/userManagement/composables/useAppUsers.js
+++ b/src/views/userManagement/composables/useAppUsers.js
@@ -34,6 +34,16 @@ export function statusMeta(status) {
   )
 }
 
+const PLATFORM_TEXT = { ANDROID: 'Android', IOS: 'iOS', WEB: 'Web' }
+
+/** 登录会话上的系统，例如 Android 16。没有记录时显示横线。 */
+export function systemText(row) {
+  const name = PLATFORM_TEXT[row?.platform] || row?.platform || ''
+  const version = row?.osVersion || ''
+  const text = `${name} ${version}`.trim()
+  return text || '—'
+}
+
 /** 毫秒转 mm:ss，观看流水里的进度用 */
 export function formatDuration(ms) {
   const total = Math.max(0, Math.floor((ms || 0) / 1000))