diff --git a/app/src/main/java/io/legado/app/ui/widget/page/ChapterProvider.kt b/app/src/main/java/io/legado/app/ui/widget/page/ChapterProvider.kt
index 68165caa5..c69462355 100644
--- a/app/src/main/java/io/legado/app/ui/widget/page/ChapterProvider.kt
+++ b/app/src/main/java/io/legado/app/ui/widget/page/ChapterProvider.kt
@@ -25,7 +25,7 @@ object ChapterProvider {
             val spannableStringBuilder = SpannableStringBuilder(surplusText)
             if (pageIndex == 0) {
                 var end = surplusText.indexOf("\n")
-                if (end == -1) end = surplusText.length.minus(1)
+                if (end == -1) end = surplusText.length
                 spannableStringBuilder.setSpan(
                     titleSpan,
                     0,