From a0a146854b0cc31668aaf0e27ef7da4ba961caa9 Mon Sep 17 00:00:00 2001
From: DelLevin-Home <wonder1999@126.com>
Date: Wed, 1 Jul 2026 18:46:59 +0800
Subject: [PATCH] =?UTF-8?q?fix=EF=BC=9A=201.EPUB=20=E6=90=9C=E7=B4=A2?=
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---
 lib/pages/epub_reader/reader_screen.dart | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/lib/pages/epub_reader/reader_screen.dart b/lib/pages/epub_reader/reader_screen.dart
index 5d60337..850f516 100644
--- a/lib/pages/epub_reader/reader_screen.dart
+++ b/lib/pages/epub_reader/reader_screen.dart
@@ -416,8 +416,12 @@ class _ReaderScreenState extends State<ReaderScreen>
         streamService: _streamService,
         onNavigate: (spineIndex, keyword, scrollRatio) {
           Navigator.pop(ctx);
-          setState(() => currentSpineItemIndex = spineIndex);
-          loadCarousel(restoreScrollRatio: scrollRatio);
+          if (spineIndex >= 0 && spineIndex < bookSession.spine.length) {
+            setState(() => currentSpineItemIndex = spineIndex);
+            loadCarousel(restoreScrollRatio: scrollRatio);
+          } else if (mounted) {
+            ToastUtil.show(context, '章节位置无效');
+          }
         },
       ),
     );