From 4e6614f9fc6212faab6ca8ae1b46703a01cff286 Mon Sep 17 00:00:00 2001
From: Wx-2025 <351320169@qq.com>
Date: Sat, 27 Dec 2025 11:44:31 +0800
Subject: [PATCH] Enhance fetchMessageBoardContent to use lastMessageId

Add support for fetching message board content with last message ID.
---
 core/api.js | 21 ++++++++++++++++++++-
 1 file changed, 20 insertions(+), 1 deletion(-)

diff --git a/core/api.js b/core/api.js
index 0c410b2..676ea22 100644
--- a/core/api.js
+++ b/core/api.js
@@ -47,6 +47,8 @@ const UPDATE_CHECK_URL =
 
 const MESSAGE_BOARD_URL =
   "https://amilyservice.amily49.cc/amily2_message_board.json";
+
+let lastMessageId = null;
  
 export async function fetchMessageBoardContent() {
     if (!MESSAGE_BOARD_URL) {
@@ -54,11 +56,28 @@ export async function fetchMessageBoardContent() {
         return null;
     }
     try {
-        const response = await fetch(MESSAGE_BOARD_URL, { cache: 'no-store' });
+        let url = MESSAGE_BOARD_URL;
+        if (lastMessageId) {
+            const separator = url.includes('?') ? '&' : '?';
+            url += `${separator}nowId=${encodeURIComponent(lastMessageId)}`;
+        }
+
+        const response = await fetch(url, { cache: 'no-store' });
+
+        if (response.status === 304) {
+            console.log('[Amily2号-内务府] 留言板内容未变更 (304)。');
+            return null;
+        }
+
         if (!response.ok) {
             throw new Error(`服务器响应异常: ${response.status}`);
         }
         const data = await response.json();
+        
+        if (data && data.id) {
+            lastMessageId = data.id;
+        }
+
         return data;
     } catch (error) {
         console.error('[Amily2号-内务府] 获取留言板内容失败:', error);