From 24714d86fa70a40a25b3fea61055634d91ced8ad Mon Sep 17 00:00:00 2001
From: HapeLee <1321903405@qq.com>
Date: Sat, 30 Aug 2025 01:37:27 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E5=A4=8D=E5=8F=AF=E8=83=BD=E5=87=BA?=
 =?UTF-8?q?=E7=8E=B0=E7=9A=84=E5=B4=A9=E6=BA=83=E9=97=AE=E9=A2=98?=
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---
 .../kazusa/ui/book/read/page/entities/TextPage.kt     | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/app/src/main/java/io/legato/kazusa/ui/book/read/page/entities/TextPage.kt b/app/src/main/java/io/legato/kazusa/ui/book/read/page/entities/TextPage.kt
index ad89acbe4..b9364baa2 100644
--- a/app/src/main/java/io/legato/kazusa/ui/book/read/page/entities/TextPage.kt
+++ b/app/src/main/java/io/legato/kazusa/ui/book/read/page/entities/TextPage.kt
@@ -291,10 +291,10 @@ data class TextPage(
      * @return
      */
     fun containPos(chapterPos: Int): Boolean {
-        val line = lines.first()
+        val line = lines.firstOrNull() ?: return false // lines 为空时直接返回 false
         val startPos = line.chapterPosition
         val endPos = startPos + charSize
-        return chapterPos in startPos..<endPos
+        return chapterPos in startPos until endPos
     }
 
     fun draw(view: ContentTextView, canvas: Canvas, relativeOffset: Float) {
@@ -364,10 +364,15 @@ data class TextPage(
     }
 
     fun upRenderHeight() {
+        if (lines.isEmpty()) {
+            renderHeight = 0
+            return
+        }
         renderHeight = ceil(lines.last().lineBottom).toInt()
-        if (leftLineSize > 0 && leftLineSize != lines.size) {
+        if (leftLineSize > 0 && leftLineSize <= lines.size) {
             val leftHeight = ceil(lines[leftLineSize - 1].lineBottom).toInt()
             renderHeight = max(renderHeight, leftHeight)
         }
     }
+
 }