diff --git a/src/api/im/group/index.ts b/src/api/im/group/index.ts
index 5d76639d8..d9b2f1f94 100644
--- a/src/api/im/group/index.ts
+++ b/src/api/im/group/index.ts
@@ -17,6 +17,8 @@ export interface ImGroupRespVO {
   createTime?: string // 创建时间
   pinnedMessages?: ImGroupMessageRespVO[] // 群置顶消息列表（后端关联回填，仅当登录用户是群成员时非空）
   joinStatus?: number // 当前登录用户在该群的成员状态（参见 CommonStatusEnum：0 在群 / 1 已退群）；历史退群群仍返回，供展示离线消息的群名 / 头像
+  groupRemark?: string // 当前登录用户对该群的备注
+  silent?: boolean // 当前登录用户是否免打扰
 }
 
 // 群消息置顶 / 取消置顶 Request VO
diff --git a/src/views/im/home/components/user/RecommendCardDialog.vue b/src/views/im/home/components/user/RecommendCardDialog.vue
index 95a5ef24b..a2ce6645b 100644
--- a/src/views/im/home/components/user/RecommendCardDialog.vue
+++ b/src/views/im/home/components/user/RecommendCardDialog.vue
@@ -119,7 +119,7 @@ import { ImConversationType, ImContentType, isGroupConversation } from '../../..
 import { getConversationKey } from '../../../utils/conversation'
 import { buildDefaultGroupName } from '../../../utils/group'
 import { serializeMessage, type CardTarget } from '../../../utils/message'
-import { isGroupQuit } from '../../../utils/user'
+import { getGroupDisplayName, isGroupQuit } from '../../../utils/user'
 import type { Conversation, FriendLite } from '../../types'
 
 defineOptions({ name: 'ImRecommendCardDialog' })
@@ -283,7 +283,7 @@ async function handleCreateGroupAndSend() {
     const newConversation: Conversation = {
       type: ImConversationType.GROUP,
       targetId: group.id,
-      name: group.name || name,
+      name: getGroupDisplayName(group) || name,
       avatar: group.avatar || '',
       unreadCount: 0,
       lastContent: '',
diff --git a/src/views/im/home/composables/useMessagePuller.ts b/src/views/im/home/composables/useMessagePuller.ts
index dbb8c55da..74a41b41b 100644
--- a/src/views/im/home/composables/useMessagePuller.ts
+++ b/src/views/im/home/composables/useMessagePuller.ts
@@ -3,7 +3,7 @@ import { useConversationStore } from '../store/conversationStore'
 import { useMessageStore, type PulledMessage } from '../store/messageStore'
 import { useImWebSocketStore } from '../store/websocketStore'
 import { useFriendStore } from '../store/friendStore'
-import { getFriendDisplayName } from '../../utils/user'
+import { getFriendDisplayName, getGroupDisplayName } from '../../utils/user'
 import { useGroupStore } from '../store/groupStore'
 import { useGroupRequestStore } from '../store/groupRequestStore'
 import {
@@ -149,7 +149,7 @@ export const useMessagePuller = () => {
     return {
       type: ImConversationType.GROUP,
       targetId: message.groupId,
-      name: group?.name || String(message.groupId),
+      name: group ? getGroupDisplayName(group) : String(message.groupId),
       avatar: group?.avatar || '',
       silent: group?.silent
     }
diff --git a/src/views/im/home/pages/conversation/components/conversation/ConversationPrivateSide.vue b/src/views/im/home/pages/conversation/components/conversation/ConversationPrivateSide.vue
index 2d1577e51..e85b43e58 100644
--- a/src/views/im/home/pages/conversation/components/conversation/ConversationPrivateSide.vue
+++ b/src/views/im/home/pages/conversation/components/conversation/ConversationPrivateSide.vue
@@ -85,9 +85,9 @@
               />
               <div class="flex justify-end gap-2">
                 <el-button size="small" @click="displayNamePopoverVisible = false">取消</el-button>
-                <el-button size="small" type="primary" @click="handleSaveDisplayName"
-                  >保存</el-button
-                >
+                <el-button size="small" type="primary" @click="handleSaveDisplayName">
+                  保存
+                </el-button>
               </div>
             </div>
           </el-popover>
@@ -141,7 +141,7 @@ import { useMessage } from '@/hooks/web/useMessage'
 import { useConversationStore } from '@/views/im/home/store/conversationStore'
 import { useFriendStore } from '@/views/im/home/store/friendStore'
 import { useGroupStore } from '@/views/im/home/store/groupStore'
-import { getFriendDisplayName } from '@/views/im/utils/user'
+import { getFriendDisplayName, getGroupDisplayName } from '@/views/im/utils/user'
 import { ImConversationType } from '@/views/im/utils/constants'
 import type { Conversation, Friend } from '../../../../types'
 
@@ -248,7 +248,7 @@ function handleGroupCreated(groupId: number) {
   conversationStore.openConversation(
     groupId,
     ImConversationType.GROUP,
-    group.name,
+    getGroupDisplayName(group),
     group.avatar || '',
     { silent: !!group.silent }
   )
diff --git a/src/views/im/home/pages/conversation/components/message/MessagePanel.vue b/src/views/im/home/pages/conversation/components/message/MessagePanel.vue
index 61224a6ba..3ba0836bf 100644
--- a/src/views/im/home/pages/conversation/components/message/MessagePanel.vue
+++ b/src/views/im/home/pages/conversation/components/message/MessagePanel.vue
@@ -260,6 +260,7 @@ import { ImRtcCallMediaType, ImRtcCallStatus, ImConversationType } from '@/views
 import { resolveCallEndReasonText } from '@/views/im/utils/message'
 import { getClientConversationId } from '@/views/im/utils/db'
 import { getCurrentUserId } from '@/utils/auth'
+import { getGroupDisplayName } from '@/views/im/utils/user'
 import { useRtcStore } from '../../../../store/rtcStore'
 import { useMessageStore } from '../../../../store/messageStore'
 
@@ -405,10 +406,11 @@ const groupInfo = computed<
   }
   const group = groupStore.getGroup(conversation.targetId)
   const selfMember = group?.members?.find((member) => member.userId === getCurrentUserId())
+  const showGroupName = group ? getGroupDisplayName(group) : conversation.name
   return {
     id: conversation.targetId,
     name: group?.name || conversation.name,
-    showGroupName: group?.name || conversation.name,
+    showGroupName,
     showImage: group?.avatar || conversation.avatar,
     notice: group?.notice,
     remarkNickName: selfMember?.displayUserName,
diff --git a/src/views/im/home/pages/conversation/components/message/forward/MessageForwardDialog.vue b/src/views/im/home/pages/conversation/components/message/forward/MessageForwardDialog.vue
index 440473768..7e5f2fc65 100644
--- a/src/views/im/home/pages/conversation/components/message/forward/MessageForwardDialog.vue
+++ b/src/views/im/home/pages/conversation/components/message/forward/MessageForwardDialog.vue
@@ -154,7 +154,7 @@ import FacePicker from '../../input/FacePicker.vue'
 import { useConversationStore } from '@/views/im/home/store/conversationStore'
 import { useFriendStore } from '@/views/im/home/store/friendStore'
 import { useGroupStore } from '@/views/im/home/store/groupStore'
-import { isGroupQuit } from '@/views/im/utils/user'
+import { getGroupDisplayName, isGroupQuit } from '@/views/im/utils/user'
 import { useMessageSender } from '@/views/im/home/composables/useMessageSender'
 import { useMessageMultiSelect } from '@/views/im/home/composables/useMessageMultiSelect'
 import {
@@ -406,7 +406,7 @@ async function handleCreateGroupAndSend() {
     const newConversation: Conversation = {
       type: ImConversationType.GROUP,
       targetId: group.id,
-      name: group.name || name,
+      name: getGroupDisplayName(group) || name,
       avatar: group.avatar || '',
       unreadCount: 0,
       lastContent: '',
diff --git a/src/views/im/home/pages/conversation/index.vue b/src/views/im/home/pages/conversation/index.vue
index 623a92716..b0edc825a 100644
--- a/src/views/im/home/pages/conversation/index.vue
+++ b/src/views/im/home/pages/conversation/index.vue
@@ -104,6 +104,7 @@ import { useImUiStore } from '../../store/uiStore'
 import { ImConversationType } from '../../../utils/constants'
 import { StorageKeys } from '../../../utils/db'
 import { filterConversationsByKeyword, getConversationKey } from '../../../utils/conversation'
+import { getGroupDisplayName } from '../../../utils/user'
 import type { Conversation } from '../../types'
 import ResizableAside from '../../components/ResizableAside.vue'
 import ConversationItem from './components/conversation/ConversationItem.vue'
@@ -220,7 +221,7 @@ function handleGroupCreated(groupId: number) {
   conversationStore.openConversation(
     groupId,
     ImConversationType.GROUP,
-    group.name,
+    getGroupDisplayName(group),
     group.avatar || '',
     { silent: !!group.silent }
   )
diff --git a/src/views/im/home/store/groupStore.ts b/src/views/im/home/store/groupStore.ts
index 4b131f60c..c535ac769 100644
--- a/src/views/im/home/store/groupStore.ts
+++ b/src/views/im/home/store/groupStore.ts
@@ -227,7 +227,7 @@ export const useGroupStore = defineStore('imGroupStore', {
         return
       }
       const fresh = (list || []).map((group) => convertGroup(group))
-      // 合并而非全量替换：silent / groupRemark / 成员缓存这些字段不在 ImGroupRespVO 里，得从旧 group 保留
+      // 合并而非全量替换：成员缓存只在成员列表接口维护，群个人设置以群列表接口为准
       const groupMap = new Map(this.groups.map((group) => [group.id, group]))
       this.groups = fresh.map((group) => {
         const existing = groupMap.get(group.id)
@@ -238,8 +238,6 @@ export const useGroupStore = defineStore('imGroupStore', {
           ...group,
           members: existing.members,
           memberCount: existing.memberCount ?? group.memberCount,
-          silent: existing.silent ?? group.silent,
-          groupRemark: existing.groupRemark,
           membersLoaded: existing.membersLoaded,
           membersExpired: existing.membersExpired
         }
@@ -254,6 +252,24 @@ export const useGroupStore = defineStore('imGroupStore', {
         })
       }
       this.saveGroupList()
+      this.preloadMembersForEmptyAvatarGroups()
+    },
+
+    /** 预加载空群头像的成员列表，供 GroupAvatar 异步合成群头像 */
+    preloadMembersForEmptyAvatarGroups() {
+      for (const group of this.groups) {
+        if (
+          group.avatar ||
+          group.joinStatus === CommonStatusEnum.DISABLE ||
+          (group.membersLoaded && !group.membersExpired && group.members?.length)
+        ) {
+          continue
+        }
+        const force = !!group.membersLoaded && !group.membersExpired && !group.members?.length
+        this.fetchGroupMemberList(group.id, force).catch((error) => {
+          console.warn('[IM groupStore] 预加载群头像成员失败', { groupId: group.id }, error)
+        })
+      }
     },
 
     /** 失效全部群成员缓存 */
@@ -892,7 +908,9 @@ function convertGroup(group: ImGroupRespVO): Group {
     mutedAll: group.mutedAll,
     banned: group.banned,
     joinApproval: group.joinApproval,
-    joinStatus: group.joinStatus
+    joinStatus: group.joinStatus,
+    groupRemark: group.groupRemark,
+    silent: group.silent
   }
 }
 
diff --git a/src/views/im/home/store/websocketStore.ts b/src/views/im/home/store/websocketStore.ts
index 3bf68edb8..012ca3a09 100644
--- a/src/views/im/home/store/websocketStore.ts
+++ b/src/views/im/home/store/websocketStore.ts
@@ -30,7 +30,7 @@ import {
 import { useConversationStore } from './conversationStore'
 import { useMessageStore } from './messageStore'
 import { useFriendStore, type FriendNotificationPayload } from './friendStore'
-import { getFriendDisplayName } from '../../utils/user'
+import { getFriendDisplayName, getGroupDisplayName } from '../../utils/user'
 import { useGroupStore } from './groupStore'
 import { useGroupRequestStore } from './groupRequestStore'
 import {
@@ -732,7 +732,7 @@ export const useImWebSocketStore = defineStore('imWebSocketStore', {
         {
           type: ImConversationType.GROUP,
           targetId: websocketMessage.groupId,
-          name: group?.name || String(websocketMessage.groupId),
+          name: group ? getGroupDisplayName(group) : String(websocketMessage.groupId),
           avatar: group?.avatar || '',
           silent: group?.silent
         },