diff --git a/app/src/main/java/io/legado/app/ui/book/read/page/provider/ChapterProvider.kt b/app/src/main/java/io/legado/app/ui/book/read/page/provider/ChapterProvider.kt
index f9d776ae3..f3e533613 100644
--- a/app/src/main/java/io/legado/app/ui/book/read/page/provider/ChapterProvider.kt
+++ b/app/src/main/java/io/legado/app/ui/book/read/page/provider/ChapterProvider.kt
@@ -475,7 +475,7 @@ object ChapterProvider {
             }
             textLine.paragraphNum = paragraphNum
             textLine.chapterPosition =
-                (textPages.getOrNull(textPages.lastIndex - 1)?.lines?.last()?.run {
+                (textPages.getOrNull(textPages.lastIndex - 1)?.lines?.lastOrNull()?.run {
                     chapterPosition + charSize + if (isParagraphEnd) 1 else 0
                 } ?: 0) + sbLength
             textLine.pagePosition = sbLength