diff --git a/src/api/admin/engagement.ts b/src/api/admin/engagement.ts
index e0f511e..b856ecb 100644
--- a/src/api/admin/engagement.ts
+++ b/src/api/admin/engagement.ts
@@ -26,10 +26,8 @@ export interface EngagementItem {
   uid: string | null
   nickname: string | null
   deviceId: string | null
-  /** 客户端系统，来自设备画像；老客户端未上报时为空。 */
+  /** 客户端平台 ANDROID / IOS / WEB；老客户端未上报时为空。 */
   platform: string | null
-  osVersion: string | null
-  deviceModel: string | null
   anonymous: boolean
   dramaId: string | null
   dramaTitle: string | null
diff --git a/src/views/components/AppUserCell.vue b/src/views/components/AppUserCell.vue
index d9664ea..5215b94 100644
--- a/src/views/components/AppUserCell.vue
+++ b/src/views/components/AppUserCell.vue
@@ -7,7 +7,7 @@ import { computed } from 'vue'
  * 后台各列表共用的「用户」单元格。
  *
  * 口径：已登录显示昵称 + uid；未登录显示「游客」标签 + deviceId（单行省略，悬浮看全值）。
- * 第二行统一展示客户端系统，系统缺失（老客户端没上报）时显示横线。
+ * 第二行只展示客户端平台（Android / iOS），老客户端没上报时显示横线。
  */
 const props = defineProps({
   row: { type: Object, required: true }
@@ -17,13 +17,9 @@ const PLATFORM_TEXT = { ANDROID: 'Android', IOS: 'iOS', WEB: 'Web' }
 
 const isGuest = computed(() => props.row?.userId == null)
 
-const systemText = computed(() => {
-  const row = props.row || {}
-  const name = PLATFORM_TEXT[row.platform] || row.platform || ''
-  const version = row.osVersion || ''
-  const text = `${name} ${version}`.trim()
-  if (!text) return '—'
-  return row.deviceModel ? `${text} · ${row.deviceModel}` : text
+const platformText = computed(() => {
+  const platform = props.row?.platform || ''
+  return PLATFORM_TEXT[platform] || platform || '—'
 })
 </script>
 
@@ -41,7 +37,7 @@ const systemText = computed(() => {
       }}</span>
       <span class="app-user-uid">{{ row.uid || `用户 #${row.userId}` }}</span>
     </template>
-    <span class="app-user-system">{{ systemText }}</span>
+    <span class="app-user-platform">{{ platformText }}</span>
   </div>
 </template>
 
@@ -53,11 +49,8 @@ const systemText = computed(() => {
   white-space: nowrap;
 }
 
-.app-user-system {
+.app-user-platform {
   color: #b0adbd;
   font-size: 12px;
-  overflow: hidden;
-  text-overflow: ellipsis;
-  white-space: nowrap;
 }
 </style>