diff --git a/src/api/im/face/index.ts b/src/api/im/face/index.ts
deleted file mode 100644
index 67913f900..000000000
--- a/src/api/im/face/index.ts
+++ /dev/null
@@ -1,3 +0,0 @@
-// 用户端 IM 表情 API barrel 出口；按子目录（pack / userItem）二次拆分，调用方可用 `from '@/api/im/face'` 一次拿全
-export * from './pack'
-export * from './userItem'
diff --git a/src/views/im/home/index.vue b/src/views/im/home/index.vue
index e110b11f0..52e9d24b2 100644
--- a/src/views/im/home/index.vue
+++ b/src/views/im/home/index.vue
@@ -96,14 +96,6 @@ onMounted(async () => {
     // 3. 实时通信：建 WebSocket 长连接 + 拉离线消息（pullOnce finally 把 loading 归位）
     webSocketStore.connect()
     await pullOnce()
-    // 3.1 我管理的群下未处理加群申请，给顶部横幅 / Drawer 派生 count 与 list；失败不阻断主流程
-    // TODO @AI：可以挪到 1.2 那么？不阻塞就行呀。
-    void groupRequestStore.fetchUnhandledList().catch((e) =>
-      console.warn('[IM] 拉取未处理加群申请失败', e)
-    )
-    // 3.2 系统表情包后台预拉，消除表情面板首次展开的白屏；个人表情保持「点开 tab 才拉」
-    // TODO @AI：同上；
-    void faceStore.ensureFacePacks().catch((e) => console.warn('[IM] 后台预拉表情包失败', e))
 
     // 4. 默认选中第一个会话；若置顶分组处于折叠态，需跳过被折叠隐藏的置顶项，避免自动展开折叠
     const sorted = conversationStore.getSortedConversations
diff --git a/src/views/im/home/pages/conversation/components/input/FacePicker.vue b/src/views/im/home/pages/conversation/components/input/FacePicker.vue
index 8cba819d3..7e945f6ad 100644
--- a/src/views/im/home/pages/conversation/components/input/FacePicker.vue
+++ b/src/views/im/home/pages/conversation/components/input/FacePicker.vue
@@ -183,7 +183,8 @@ import { updateFile } from '@/api/infra/file'
 import { useFaceStore } from '@/views/im/home/store/faceStore'
 import { IM_EMOJI_LIST } from '@/views/im/utils/emoji'
 import { probeImageSize } from '@/views/im/utils/image'
-import type { ImFacePackUserItemVO, ImFaceUserItemVO } from '@/api/im/face'
+import type { ImFacePackUserItemVO } from '@/api/im/face/pack'
+import type { ImFaceUserItemVO } from '@/api/im/face/useritem'
 
 defineOptions({ name: 'ImFacePicker' })
 
diff --git a/src/views/im/home/pages/conversation/components/message/MessageItem.vue b/src/views/im/home/pages/conversation/components/message/MessageItem.vue
index 5b29925ed..ced891495 100644
--- a/src/views/im/home/pages/conversation/components/message/MessageItem.vue
+++ b/src/views/im/home/pages/conversation/components/message/MessageItem.vue
@@ -496,9 +496,20 @@ const videoPayload = computed(() =>
 const cardPayload = computed(() =>
   isCard.value ? parseMessage<CardMessage>(props.message.content) : null
 )
-const facePayload = computed(() =>
-  isFace.value ? parseMessage<FaceMessage>(props.message.content) : null
-)
+/** 表情 payload；非法宽高（缺失 / 0 / 负数 / 超出 2048）派生成 undefined，让 <img> 走 CSS max-w / max-h 兜底 */
+const FACE_DIMENSION_MAX = 2048
+const facePayload = computed(() => {
+  if (!isFace.value) {
+    return null
+  }
+  const raw = parseMessage<FaceMessage>(props.message.content)
+  if (!raw) {
+    return null
+  }
+  const sanitize = (v: number | undefined) =>
+    v && v > 0 && v <= FACE_DIMENSION_MAX ? v : undefined
+  return { ...raw, width: sanitize(raw.width), height: sanitize(raw.height) }
+})
 
 /** 名片点击：弹被推荐用户的 UserInfoCard；陌生人名片走「名片」加好友来源 */
 function handleCardClick(e: MouseEvent) {
diff --git a/src/views/im/home/store/faceStore.ts b/src/views/im/home/store/faceStore.ts
index 83b200bc3..3aa7fede8 100644
--- a/src/views/im/home/store/faceStore.ts
+++ b/src/views/im/home/store/faceStore.ts
@@ -4,13 +4,15 @@ import { store } from '@/store'
 
 import {
   getFacePackList as apiGetFacePackList,
+  type ImFacePackUserVO
+} from '@/api/im/face/pack'
+import {
   getFaceUserItemList as apiGetFaceUserItemList,
   createFaceUserItem as apiCreateFaceUserItem,
   deleteFaceUserItem as apiDeleteFaceUserItem,
-  type ImFacePackUserVO,
   type ImFaceUserItemVO,
   type ImFaceUserItemSaveReqVO
-} from '@/api/im/face'
+} from '@/api/im/face/useritem'
 
 /**
  * IM 表情面板数据 store（系统表情包 + 个人表情）
diff --git a/src/views/im/manager/face/pack/FacePackItemForm.vue b/src/views/im/manager/face/pack/FacePackItemForm.vue
index 98ff14867..0261d61c2 100644
--- a/src/views/im/manager/face/pack/FacePackItemForm.vue
+++ b/src/views/im/manager/face/pack/FacePackItemForm.vue
@@ -22,21 +22,21 @@
       <el-form-item label="尺寸">
         <el-input-number
           v-model="formData.width"
-          :min="0"
-          :max="9999"
+          :min="1"
+          :max="2048"
           controls-position="right"
           class="!w-1/3"
         />
         <span class="mx-2 text-[var(--el-text-color-secondary)]">×</span>
         <el-input-number
           v-model="formData.height"
-          :min="0"
-          :max="9999"
+          :min="1"
+          :max="2048"
           controls-position="right"
           class="!w-1/3"
         />
         <span class="ml-2 text-12px text-[var(--el-text-color-placeholder)]">
-          上传后自动探测；可手动调整
+          上传后自动探测；可手动调整（1 ~ 2048 像素）
         </span>
       </el-form-item>
       <el-form-item label="排序" prop="sort">
@@ -92,8 +92,8 @@ const formData = ref({
   packId: 0,
   url: '',
   name: '',
-  width: 0,
-  height: 0,
+  width: undefined as number | undefined,
+  height: undefined as number | undefined,
   sort: 0,
   status: CommonStatusEnum.ENABLE
 })
@@ -106,8 +106,8 @@ const formRef = ref() // 表单 Ref
 /** 上传完成后从 URL 回探宽高，自动填表单（用户仍可手改） */
 async function onUrlChange(url: string) {
   if (!url) {
-    formData.value.width = 0
-    formData.value.height = 0
+    formData.value.width = undefined
+    formData.value.height = undefined
     return
   }
   const size = await probeImageSize(url)
@@ -165,8 +165,8 @@ const resetForm = () => {
     packId: props.packId,
     url: '',
     name: '',
-    width: 0,
-    height: 0,
+    width: undefined,
+    height: undefined,
     sort: 0,
     status: CommonStatusEnum.ENABLE
   }
diff --git a/src/views/im/manager/face/userItem/index.vue b/src/views/im/manager/face/userItem/index.vue
index 0bd56b926..2485afce0 100644
--- a/src/views/im/manager/face/userItem/index.vue
+++ b/src/views/im/manager/face/userItem/index.vue
@@ -108,7 +108,7 @@
 
 <script lang="ts" setup>
 import { dateFormatter } from '@/utils/formatTime'
-import * as ManagerFaceUserItemApi from '@/api/im/manager/face/userItem'
+import * as ManagerFaceUserItemApi from '@/api/im/manager/face/useritem'
 
 defineOptions({ name: 'ImManagerFaceUserItem' })