优化

app/src/main/java/io/legado/app/model/ReadBook.kt

@@ -93,7 +93,7 @@ object ReadBook : CoroutineScope by MainScope() {
         readRecord.readTime = appDb.readRecordDao.getReadTime(book.name) ?: 0
         chapterSize = appDb.bookChapterDao.getChapterCount(book.bookUrl)
         contentProcessor = ContentProcessor.get(book)
-        durChapterIndex = min(book.durChapterIndex, chapterSize - 1).coerceAtLeast(0)
+        durChapterIndex = book.durChapterIndex
         durChapterPos = book.durChapterPos
         isLocalBook = book.isLocal
         clearTextChapter()

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

@@ -116,6 +116,9 @@ class ReadBookViewModel(application: Application) : BaseViewModel(application) {
             ReadBook.loadOrUpContent()
             checkLocalBookFileExist(book)
         } else {
+            if (ReadBook.durChapterIndex > ReadBook.chapterSize - 1) {
+                ReadBook.durChapterIndex = ReadBook.chapterSize - 1
+            }
             ReadBook.loadContent(resetPageOffset = false)
             checkLocalBookFileExist(book)
         }