diff --git a/src/utils/messageTypes.ts b/src/utils/messageTypes.ts
index 32ceec5..db3e5b2 100644
--- a/src/utils/messageTypes.ts
+++ b/src/utils/messageTypes.ts
@@ -61,20 +61,36 @@ export const messageTypeConfigs: Record<number, MessageTypeConfig> = {
     label: '群通知',
     icon: 'fas fa-users',
     summaryFn: (msg) => {
+      // 优先使用后端发送的 content（后端已正确设置个性化内容）
+      if (msg.content) {
+        return msg.content
+      }
+      
       const extra = typeof msg.extra === 'string' ? JSON.parse(msg.extra || '{}') : (msg.extra || {})
-      // 根据事件类型生成更具体的文案
-      if (extra.event === 'member_join') {
-        return `用户加入了群聊`
-      } else if (extra.event === 'member_leave') {
-        return `用户退出了群聊`
-      } else if (extra.event === 'member_remove') {
-        return `用户被移出群聊`
+      // 根据事件类型生成更具体的文案（仅在无 content 时使用）
+      if (extra.type === 'member_invite' || extra.event === 'member_invite') {
+        const operatorName = extra.operator_name || '未知用户'
+        const targetNames = extra.target_names || []
+        if (targetNames.length > 0) {
+          return `${operatorName} 邀请了 ${targetNames.join('、')} 加入群聊`
+        }
+        return `${operatorName} 邀请了成员加入群聊`
+      } else if (extra.type === 'member_remove' || extra.event === 'member_remove') {
+        const operatorName = extra.operator_name || '未知用户'
+        const targetName = extra.target_name || '用户'
+        return `${operatorName} 将 ${targetName} 移出了群聊`
+      } else if (extra.type === 'member_leave' || extra.event === 'member_leave') {
+        const targetName = extra.target_name || '用户'
+        return `${targetName} 退出了群聊`
+      } else if (extra.type === 'member_join' || extra.event === 'member_join') {
+        const targetName = extra.target_name || '用户'
+        return `${targetName} 加入了群聊`
       } else if (extra.event === 'group_update') {
         return `群信息已更新`
       } else if (extra.event === 'role_change') {
         return `成员角色已变更`
       }
-      return extra.title || msg.content || '[群通知]'
+      return extra.title || '[群通知]'
     }
   },
   [MessageType.FILE]: {
@@ -136,3 +152,4 @@ export function isSystemOrNotifyMessage(messageType: number): boolean {
 
 
 
+
diff --git a/src/views/chat/ChatView.vue b/src/views/chat/ChatView.vue
index 5177a5a..3131a07 100644
--- a/src/views/chat/ChatView.vue
+++ b/src/views/chat/ChatView.vue
@@ -870,12 +870,11 @@ function handleWebSocketMessage(message: ChatMessage) {
     }
   }
 
+  const isCurrentChat = currentRoomId === roomId
+
   if (contact) {
     chatStore.updateContactLastMsg(contact.id, getMsgSummary(message), Date.now())
 
-    const currentRoomId = chatStore.currentTarget ? getRoomId(chatStore.currentTarget) : null
-    const isCurrentChat = currentRoomId === roomId
-
     conversationStore.handleMessageUpdate(message, message.isSelf === true, isCurrentChat)
     if (!message.isSelf) {
       if (!isCurrentChat) {
@@ -889,12 +888,36 @@ function handleWebSocketMessage(message: ChatMessage) {
         }
       }
 
+      // 浏览器原生通知（仅在标签页隐藏时）
       if ('Notification' in window && Notification.permission === 'granted' && document.hidden) {
         new Notification(contact.remark_name || contact.user?.name || '新消息', {
           body: getMsgSummary(message),
           icon: '/favicon.ico'
         })
       }
+
+      // 不在会话tab时显示toast通知
+      if (currentTab.value !== 'chat') {
+        const senderName = contact.remark_name || contact.user?.name || message.sender_user_id || '未知用户'
+        toastStore.showToast(
+          '收到新消息',
+          'info',
+          5000,
+          `来自 ${senderName} 的新消息`,
+          {
+            label: '去查看',
+            handler: async () => {
+              currentTab.value = 'chat'
+              // 尝试查找或创建会话
+              await conversationStore.loadConversations()
+              const conv = conversationStore.conversations.find(c => c.room_id === roomId || c.target_id === message.sender_user_id)
+              if (conv) {
+                await selectChatByConversation(conv)
+              }
+            }
+          }
+        )
+      }
     }
   } else {
     // 不在会话列表时收到消息，显示提示
diff --git a/src/views/contact/README.md b/src/views/contact/README.md
index 33418f7..06470cf 100644
--- a/src/views/contact/README.md
+++ b/src/views/contact/README.md
@@ -117,3 +117,4 @@
 
 
 
+