diff --git a/alacarte-novel-website/js/app.js b/alacarte-novel-website/js/app.js
index 3058804..5eff5da 100644
--- a/alacarte-novel-website/js/app.js
+++ b/alacarte-novel-website/js/app.js
@@ -3,6 +3,9 @@
 let chaptersData = [];
 let isDataLoaded = false;
 
+// 版本号，每次更新时修改
+const CACHE_VERSION = '20260327-1615';
+
 // 加载所有章节数据
 async function loadChaptersData() {
     if (isDataLoaded) return chaptersData;
@@ -15,23 +18,11 @@ async function loadChaptersData() {
         try {
             // 格式化章节号（带前导零）
             const chapterId = chapterNum.toString().padStart(2, '0');
-            const response = await fetch(`data/chapter-${chapterId}.json`, {
-                cache: 'no-store',
-                headers: {
-                    'Cache-Control': 'no-cache',
-                    'Pragma': 'no-cache'
-                }
-            });
+            const response = await fetch(`data/chapter-${chapterId}.json?v=${CACHE_VERSION}`);
             
             if (!response.ok) {
                 // 尝试不带前导零的格式
-                const response2 = await fetch(`data/chapter-${chapterNum}.json`, {
-                    cache: 'no-store',
-                    headers: {
-                        'Cache-Control': 'no-cache',
-                        'Pragma': 'no-cache'
-                    }
-                });
+                const response2 = await fetch(`data/chapter-${chapterNum}.json?v=${CACHE_VERSION}`);
                 if (!response2.ok) break;
                 const data = await response2.json();
                 chapters.push(normalizeChapterData(data, chapterNum));
@@ -51,13 +42,7 @@ async function loadChaptersData() {
     for (let i = 1; i <= chapterNum + 10; i++) {
         try {
             const decimalId = i + 0.5;
-            const response = await fetch(`data/chapter-${decimalId}.json`, {
-                cache: 'no-store',
-                headers: {
-                    'Cache-Control': 'no-cache',
-                    'Pragma': 'no-cache'
-                }
-            });
+            const response = await fetch(`data/chapter-${decimalId}.json?v=${CACHE_VERSION}`);
             
             if (response.ok) {
                 const data = await response.json();
@@ -435,11 +420,15 @@ function initReaderNav(currentId) {
     
     const data = window.chaptersData || chaptersData;
     
+    // 找到当前章节在数组中的索引
+    const currentIndex = data.findIndex(ch => parseFloat(ch.id) === parseFloat(currentId));
+    
     if (prevBtn) {
-        if (currentId > 1) {
+        if (currentIndex > 0) {
+            const prevChapter = data[currentIndex - 1];
             prevBtn.disabled = false;
             prevBtn.onclick = () => {
-                window.location.href = `reader.html?id=${currentId - 1}`;
+                window.location.href = `reader.html?id=${prevChapter.id}`;
             };
         } else {
             prevBtn.disabled = true;
@@ -447,10 +436,11 @@ function initReaderNav(currentId) {
     }
     
     if (nextBtn) {
-        if (currentId < data.length) {
+        if (currentIndex < data.length - 1) {
+            const nextChapter = data[currentIndex + 1];
             nextBtn.disabled = false;
             nextBtn.onclick = () => {
-                window.location.href = `reader.html?id=${currentId + 1}`;
+                window.location.href = `reader.html?id=${nextChapter.id}`;
             };
         } else {
             nextBtn.disabled = true;