From 63daf5d8428b3b7ab52a8f8e7affe0eef8f0b28a Mon Sep 17 00:00:00 2001
From: HapeLee <63206378+HapeLee@users.noreply.github.com>
Date: Sat, 6 Jun 2026 02:59:29 +0800
Subject: [PATCH] fix: use null-safe access for matcher.group(1) in
 fullTextBuilder

Prevents potential NPE when imgPattern matches but group(1) is null.
---
 .../legado/app/ui/book/read/page/provider/TextChapterLayout.kt  | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/app/src/main/java/io/legado/app/ui/book/read/page/provider/TextChapterLayout.kt b/app/src/main/java/io/legado/app/ui/book/read/page/provider/TextChapterLayout.kt
index b5cab46b3..bb59b687a 100644
--- a/app/src/main/java/io/legado/app/ui/book/read/page/provider/TextChapterLayout.kt
+++ b/app/src/main/java/io/legado/app/ui/book/read/page/provider/TextChapterLayout.kt
@@ -288,7 +288,7 @@ class TextChapterLayout(
                     val matcher = AppPattern.imgPattern.matcher(text)
                     var start = 0
                     while (matcher.find()) {
-                        val imgSrc = matcher.group(1)!!
+                        val imgSrc = matcher.group(1) ?: continue
                         val iStyle = if (imgSrc.contains("TEXT")) "text" else imageStyle
                         if (start < matcher.start()) {
                             fullTextBuilder.append(text.substring(start, matcher.start()))