fix(profile): 修复消息中心未读状态显示问题

将未读消息的标识从 isRead 改为 status 字段判断，并确保未读消息数量正确转换为数字

 <!--
  * @Date: 2025-03-24 12:56:07
  * @LastEditors: hookehuyr hookehuyr@gmail.com
- * @LastEditTime: 2025-06-12 15:34:41
+ * @LastEditTime: 2025-06-12 16:07:46
  * @FilePath: /mlaj/src/views/profile/MessagesPage.vue
  * @Description: 消息中心页面
 -->
@@ -24,7 +24,7 @@
           <div class="p-4">
             <div class="flex justify-between items-start mb-2">
               <h3 class="text-base font-medium flex items-center">
-                <span v-if="!message.isRead" class="w-2 h-2 bg-red-500 rounded-full mr-2"></span>
+                <span v-if="message.status === 'send'" class="w-2 h-2 bg-red-500 rounded-full mr-2"></span>
                 <!-- {{ message.title }} -->
                 消息
               </h3>
@@ -80,7 +80,7 @@ const finished = ref(false);
 const messages = ref([]);
 const limit = ref(10);
 const page = ref(0);
-const finishText = ref('没有更多了');
+const finishText = ref('');
 
 // 加载更多
 const onLoad = async() => {

@@ -146,7 +146,7 @@ onMounted(async () => {
     // 处理消息中心的未读消息数量
     menuItems3.value.forEach(item => {
       if (item.path === '/profile/messages') {
-        item.badge = data.unread_msg_count || 0;
+        item.badge = +data.unread_msg_count || 0;
       }
     });
   }