diff --git a/app/_layout.tsx b/app/_layout.tsx
index e854b2b..6c01cda 100644
--- a/app/_layout.tsx
+++ b/app/_layout.tsx
@@ -161,6 +161,7 @@ function NotificationBootstrap() {
           const conversationType = extras.conversation_type || extras.conversationType;
           const groupId = extras.group_id || extras.groupId;
           const groupName = extras.group_name || extras.groupName;
+          const groupAvatar = extras.group_avatar || extras.groupAvatar;
 
           if (conversationId) {
             const isGroup = conversationType === 'group';
@@ -169,6 +170,7 @@ function NotificationBootstrap() {
               q.set('isGroupChat', '1');
               if (groupId) q.set('groupId', groupId);
               if (groupName) q.set('groupName', groupName);
+              if (groupAvatar) q.set('groupAvatar', groupAvatar);
             } else if (senderId) {
               q.set('userId', senderId);
             }
diff --git a/src/navigation/hrefs.ts b/src/navigation/hrefs.ts
index c960498..dae9ef8 100644
--- a/src/navigation/hrefs.ts
+++ b/src/navigation/hrefs.ts
@@ -86,13 +86,15 @@ export function hrefChat(params: {
   isGroupChat?: boolean;
   groupId?: string;
   groupName?: string;
+  groupAvatar?: string;
 }): string {
-  const { conversationId, userId, isGroupChat, groupId, groupName } = params;
+  const { conversationId, userId, isGroupChat, groupId, groupName, groupAvatar } = params;
   const q = new URLSearchParams();
   if (userId) q.set('userId', userId);
   if (isGroupChat) q.set('isGroupChat', '1');
   if (groupId != null && groupId !== '') q.set('groupId', String(groupId));
   if (groupName) q.set('groupName', groupName);
+  if (groupAvatar) q.set('groupAvatar', groupAvatar);
   const qs = q.toString();
   return `/chat/${encodeURIComponent(conversationId)}${qs ? `?${qs}` : ''}`;
 }
diff --git a/src/screens/message/ChatScreen.tsx b/src/screens/message/ChatScreen.tsx
index a6b1cec..ca0f92d 100644
--- a/src/screens/message/ChatScreen.tsx
+++ b/src/screens/message/ChatScreen.tsx
@@ -165,8 +165,8 @@ export const ChatScreen: React.FC<ChatScreenProps> = (props) => {
     muteAll,
     followRestrictionHint,
     canSendPrivateImage,
-    routeGroupId,
-    routeGroupName,
+    effectiveGroupId,
+    effectiveGroupName,
     otherUserLastReadSeq,
     messageMap,
     loadingMore,
@@ -458,7 +458,7 @@ export const ChatScreen: React.FC<ChatScreenProps> = (props) => {
         isGroupChat={isGroupChat}
         groupInfo={groupInfo}
         otherUser={otherUser}
-        routeGroupName={routeGroupName ?? undefined}
+        routeGroupName={effectiveGroupName ?? undefined}
         typingHint={typingHint}
         onBack={props.onEmbeddedBack ? props.onEmbeddedBack : () => router.back()}
         onTitlePress={navigateToInfo}
@@ -669,7 +669,7 @@ export const ChatScreen: React.FC<ChatScreenProps> = (props) => {
       {/* 群信息侧边栏面板 - 仅大屏幕显示 */}
         <GroupInfoPanel
           visible={showGroupInfoPanel}
-          groupId={routeGroupId ? String(routeGroupId) : undefined}
+          groupId={effectiveGroupId ? String(effectiveGroupId) : undefined}
           groupInfo={groupInfo as any}
           conversationId={conversationId || undefined}
           currentUserId={currentUserId}
diff --git a/src/screens/message/MessageListScreen.tsx b/src/screens/message/MessageListScreen.tsx
index 0e8fbed..6bccd59 100644
--- a/src/screens/message/MessageListScreen.tsx
+++ b/src/screens/message/MessageListScreen.tsx
@@ -285,6 +285,7 @@ export const MessageListScreen: React.FC = () => {
             conversationId: String(conversation.id),
             groupId: String(conversation.group.id),
             groupName: conversation.group.name,
+            groupAvatar: conversation.group.avatar,
             isGroupChat: true,
           })
         );
diff --git a/src/screens/message/components/ChatScreen/useChatScreen.ts b/src/screens/message/components/ChatScreen/useChatScreen.ts
index 5ebbc81..3266caf 100644
--- a/src/screens/message/components/ChatScreen/useChatScreen.ts
+++ b/src/screens/message/components/ChatScreen/useChatScreen.ts
@@ -96,6 +96,7 @@ export const useChatScreen = (props?: ChatScreenProps) => {
     isGroupChat?: string | string[];
     groupId?: string | string[];
     groupName?: string | string[];
+    groupAvatar?: string | string[];
   }>();
   // 路由参数（动态段 + query）；群 ID 勿用 Number()，避免超过 2^53-1 时精度丢失
   // 嵌入式模式下优先使用 props，否则从路由参数获取
@@ -107,6 +108,7 @@ export const useChatScreen = (props?: ChatScreenProps) => {
         isGroupChat: props.embeddedIsGroupChat ?? false,
         groupId: props.embeddedGroupId ?? null,
         groupName: props.embeddedGroupName ?? null,
+        groupAvatar: null as string | null,
       };
     }
     const isGroupFlag = firstRouteParam(rawParams.isGroupChat);
@@ -116,6 +118,7 @@ export const useChatScreen = (props?: ChatScreenProps) => {
       isGroupChat: isGroupFlag === '1' || isGroupFlag === 'true',
       groupId: firstRouteParam(rawParams.groupId),
       groupName: firstRouteParam(rawParams.groupName),
+      groupAvatar: firstRouteParam(rawParams.groupAvatar),
     };
   }, [
     props?.embeddedConversationId,
@@ -127,9 +130,10 @@ export const useChatScreen = (props?: ChatScreenProps) => {
     rawParams.isGroupChat,
     rawParams.groupId,
     rawParams.groupName,
+    rawParams.groupAvatar,
   ]);
 
-  const { conversationId: routeConversationId, userId: routeUserId, isGroupChat, groupId: routeGroupId, groupName: routeGroupName } = routeParams;
+  const { conversationId: routeConversationId, userId: routeUserId, isGroupChat, groupId: routeGroupId, groupName: routeGroupName, groupAvatar: routeGroupAvatar } = routeParams;
 
   // 当前会话ID（可能在新建私聊会话后动态更新）
   const [conversationId, setConversationId] = useState<string | null>(routeConversationId);
@@ -147,13 +151,18 @@ export const useChatScreen = (props?: ChatScreenProps) => {
     conversation,
   } = useChat(conversationId);
 
+  // 统一入口：优先路由参数，其次从 conversation 对象提取（JPUSH 进入时 conversation 异步加载）
+  const effectiveGroupId = routeGroupId || (isGroupChat && conversation?.group?.id) || null;
+  const effectiveGroupName = routeGroupName || (isGroupChat && conversation?.group?.name) || null;
+  const effectiveGroupAvatar = routeGroupAvatar || (isGroupChat && conversation?.group?.avatar) || null;
+
   // 本地状态
   const [currentUserId, setCurrentUserId] = useState<string>('');
 
   // 【新架构】使用 MessageManager 获取群聊输入状态和禁言状态
-  const { typingUsers: groupTypingUsers } = useGroupTyping(routeGroupId ? String(routeGroupId) : null);
+  const { typingUsers: groupTypingUsers } = useGroupTyping(effectiveGroupId ? String(effectiveGroupId) : null);
   const { isMuted: isMutedFromManager, setMuted: setMutedStatus } = useGroupMuted(
-    routeGroupId ? String(routeGroupId) : null,
+    effectiveGroupId ? String(effectiveGroupId) : null,
     currentUserId
   );
 
@@ -202,8 +211,18 @@ export const useChatScreen = (props?: ChatScreenProps) => {
   const [selectedMessageId, setSelectedMessageId] = useState<string | null>(null);
 
   // 群聊相关状态
-  const [groupInfo, setGroupInfo] = useState<{ name?: string; member_count?: number } | null>(null);
+  const [groupInfo, setGroupInfo] = useState<{ name?: string; member_count?: number; avatar?: string | null } | null>(null);
   const [groupMembers, setGroupMembers] = useState<GroupMemberResponse[]>([]);
+
+  // 群名/头像：优先使用路由参数（JPUSH extras），其次从 conversation 对象获取
+  useEffect(() => {
+    if (!isGroupChat) return;
+    const name = effectiveGroupName;
+    const avatar = effectiveGroupAvatar;
+    if (name || avatar) {
+      setGroupInfo(prev => prev ? prev : { name: name || undefined, avatar: avatar || null });
+    }
+  }, [isGroupChat, effectiveGroupName, effectiveGroupAvatar]);
   const [currentUserRole, setCurrentUserRole] = useState<UserRole>('member');
   const [mentionQuery, setMentionQuery] = useState<string>('');
   const [selectedMentions, setSelectedMentions] = useState<string[]>([]);
@@ -453,14 +472,14 @@ export const useChatScreen = (props?: ChatScreenProps) => {
 
   // 群聊模式：获取群组信息和成员列表
   useEffect(() => {
-    if (!isGroupChat || !routeGroupId) return;
+    if (!isGroupChat || !effectiveGroupId) return;
 
     const fetchGroupInfo = async () => {
       try {
-        const group = await groupManager.getGroup(routeGroupId);
+        const group = await groupManager.getGroup(effectiveGroupId);
         setGroupInfo(group);
 
-        const membersResponse = await groupManager.getMembers(routeGroupId, 1, MEMBERS_PAGE_SIZE);
+        const membersResponse = await groupManager.getMembers(effectiveGroupId, 1, MEMBERS_PAGE_SIZE);
         const members = membersResponse.list || [];
         setGroupMembers(members);
 
@@ -470,7 +489,7 @@ export const useChatScreen = (props?: ChatScreenProps) => {
         }
 
         try {
-          const myInfo = await groupService.getMyMemberInfo(routeGroupId);
+          const myInfo = await groupService.getMyMemberInfo(effectiveGroupId);
           setIsMuted(myInfo.is_muted);
           setMutedStatus(myInfo.is_muted);
           setMuteAll(myInfo.mute_all);
@@ -508,7 +527,7 @@ export const useChatScreen = (props?: ChatScreenProps) => {
     if (currentUserId) {
       fetchGroupInfo();
     }
-  }, [isGroupChat, routeGroupId, currentUserId, setMutedStatus]);
+  }, [isGroupChat, effectiveGroupId, currentUserId, setMutedStatus]);
 
   // 私聊模式：创建或获取会话
   useEffect(() => {
@@ -1066,7 +1085,7 @@ export const useChatScreen = (props?: ChatScreenProps) => {
         return;
       }
 
-      if (isGroupChat && routeGroupId) {
+      if (isGroupChat && effectiveGroupId) {
         await messageService.sendMessageByAction('group', conversationId, segments);
 
         setInputText('');
@@ -1097,7 +1116,7 @@ export const useChatScreen = (props?: ChatScreenProps) => {
     pendingAttachments,
     conversationId,
     isGroupChat,
-    routeGroupId,
+    effectiveGroupId,
     sendMessageViaManager,
     isMuted,
     muteAll,
@@ -1264,7 +1283,7 @@ export const useChatScreen = (props?: ChatScreenProps) => {
     try {
       const segments = buildImageSegments(stickerUrl, stickerUrl, undefined, undefined, replyingTo);
 
-      if (isGroupChat && routeGroupId) {
+      if (isGroupChat && effectiveGroupId) {
         await messageService.sendMessageByAction('group', conversationId, segments);
         setReplyingTo(null);
       } else {
@@ -1282,7 +1301,7 @@ export const useChatScreen = (props?: ChatScreenProps) => {
     } finally {
       setSendingImage(false);
     }
-  }, [conversationId, isGroupChat, routeGroupId, sendMessageViaManager, isMuted, muteAll, buildImageSegments, replyingTo, canSendPrivateImage, scrollToLatest]);
+  }, [conversationId, isGroupChat, effectiveGroupId, sendMessageViaManager, isMuted, muteAll, buildImageSegments, replyingTo, canSendPrivateImage, scrollToLatest]);
 
   // 切换表情面板
   const toggleEmojiPanel = useCallback(() => {
@@ -1310,7 +1329,7 @@ export const useChatScreen = (props?: ChatScreenProps) => {
   // 撤回消息 - 现在通过 MessageManager 处理
   const handleRecall = useCallback(async (messageId: string) => {
     try {
-      if (isGroupChat && routeGroupId) {
+      if (isGroupChat && effectiveGroupId) {
         await messageService.recallMessage(messageId);
       } else {
         await messageService.recallMessage(messageId);
@@ -1320,7 +1339,7 @@ export const useChatScreen = (props?: ChatScreenProps) => {
       console.error('撤回消息失败:', error);
       Alert.alert('撤回失败', '无法撤回消息');
     }
-  }, [isGroupChat, routeGroupId, conversationId]);
+  }, [isGroupChat, effectiveGroupId, conversationId]);
 
   // 长按消息显示操作菜单
   const handleLongPressMessage = useCallback((message: GroupMessage, position?: MenuPosition) => {
@@ -1455,17 +1474,17 @@ export const useChatScreen = (props?: ChatScreenProps) => {
 
   // 导航到群组信息或用户资料
   const navigateToInfo = useCallback(() => {
-    if (isGroupChat && routeGroupId) {
-      router.push(hrefs.hrefGroupInfo(routeGroupId, conversationId || undefined));
+    if (isGroupChat && effectiveGroupId) {
+      router.push(hrefs.hrefGroupInfo(effectiveGroupId, conversationId || undefined));
     } else if (otherUser?.id) {
       router.push(hrefs.hrefUserProfile(String(otherUser.id)));
     }
-  }, [isGroupChat, routeGroupId, otherUser, conversationId]);
+  }, [isGroupChat, effectiveGroupId, otherUser, conversationId]);
 
   // 导航到聊天管理页面
   const navigateToChatSettings = useCallback(() => {
-    if (isGroupChat && routeGroupId) {
-      router.push(hrefs.hrefGroupInfo(routeGroupId, conversationId || undefined));
+    if (isGroupChat && effectiveGroupId) {
+      router.push(hrefs.hrefGroupInfo(effectiveGroupId, conversationId || undefined));
     } else if (otherUser?.id && conversationId) {
       router.push(
         hrefs.hrefPrivateChatInfo({
@@ -1476,7 +1495,7 @@ export const useChatScreen = (props?: ChatScreenProps) => {
         })
       );
     }
-  }, [isGroupChat, routeGroupId, otherUser, conversationId]);
+  }, [isGroupChat, effectiveGroupId, otherUser, conversationId]);
 
   return {
     // 状态
@@ -1512,8 +1531,8 @@ export const useChatScreen = (props?: ChatScreenProps) => {
     muteAll,
     followRestrictionHint,
     canSendPrivateImage,
-    routeGroupId,
-    routeGroupName,
+    effectiveGroupId,
+    effectiveGroupName,
     otherUserLastReadSeq,
     messageMap,
     loadingMore,
diff --git a/src/stores/message/MessageManager.ts b/src/stores/message/MessageManager.ts
index 86806ca..c95666b 100644
--- a/src/stores/message/MessageManager.ts
+++ b/src/stores/message/MessageManager.ts
@@ -344,6 +344,11 @@ class MessageManager {
     }
 
     const task = (async () => {
+      // 确保会话数据在 store 中（JPUSH 通知进入时 store 可能还没有此会话）
+      const store = useMessageStore.getState();
+      if (!store.getConversation(normalizedId)) {
+        await this.fetchConversationDetail(normalizedId);
+      }
       await this.fetchMessages(normalizedId);
     })();
     this.activatingConversationTasks.set(normalizedId, task);