优化

app/build.gradle

@@ -133,7 +133,6 @@ dependencies {
     implementation "androidx.activity:activity-ktx:1.2.3"
     implementation "androidx.fragment:fragment-ktx:1.3.5"
     implementation 'androidx.preference:preference-ktx:1.1.1'
-    implementation "androidx.collection:collection-ktx:1.1.0"
     implementation 'androidx.constraintlayout:constraintlayout:2.0.4'
     implementation 'androidx.swiperefreshlayout:swiperefreshlayout:1.1.0'
     implementation 'androidx.viewpager2:viewpager2:1.0.0'

app/src/main/java/io/legado/app/ui/book/read/page/provider/ChapterProvider.kt

@@ -419,8 +419,7 @@ object ChapterProvider {
      * 超出边界处理
      */
     private fun exceed(textLine: TextLine, words: Array<String>) {
-        if (textLine.textChars.isEmpty()) return
-        val endX = textLine.textChars.last().end
+        val endX = textLine.textChars.lastOrNull()?.end ?: return
         if (endX > visibleRight) {
             val cc = (endX - visibleRight) / words.size
             for (i in 0..words.lastIndex) {