优化

app/src/main/java/io/legado/app/ui/book/read/ReadBookActivity.kt

@@ -952,6 +952,7 @@ class ReadBookActivity : BaseReadBookActivity(),
         success: (() -> Unit)?
     ) {
         lifecycleScope.launch {
+            binding.readView.cancelSelect()
             binding.readView.upContent(relativePosition, resetPageOffset)
             if (relativePosition == 0) {
                 upSeekBarProgress()
@@ -980,6 +981,7 @@ class ReadBookActivity : BaseReadBookActivity(),
     override fun pageChanged() {
         pageChanged = true
         binding.readView.onPageChange()
+        binding.readView.cancelSelect()
         handler.post {
             upSeekBarProgress()
         }

app/src/main/java/io/legado/app/ui/book/read/page/entities/TextPage.kt

@@ -250,7 +250,7 @@ data class TextPage(
      */
     fun getPosByLineColumn(lineIndex: Int, columnIndex: Int): Int {
         var length = 0
-        val maxIndex = min(lineIndex, lineSize)
+        val maxIndex = min(lineIndex, lineSize - 1)
         for (index in 0 until maxIndex) {
             length += textLines[index].charSize
             if (textLines[index].isParagraphEnd) {