diff --git a/app/src/main/java/io/legado/app/model/ReadBook.kt b/app/src/main/java/io/legado/app/model/ReadBook.kt
index 5b1131f22..7ae26ffa0 100644
--- a/app/src/main/java/io/legado/app/model/ReadBook.kt
+++ b/app/src/main/java/io/legado/app/model/ReadBook.kt
@@ -31,6 +31,7 @@ object ReadBook : CoroutineScope by MainScope() {
     var book: Book? = null
     var callBack: CallBack? = null
     var inBookshelf = false
+    var tocChanged = false
     var chapterSize = 0
     var durChapterIndex = 0
     var durChapterPos = 0
@@ -65,7 +66,7 @@ object ReadBook : CoroutineScope by MainScope() {
     fun upData(book: Book) {
         ReadBook.book = book
         chapterSize = appDb.bookChapterDao.getChapterCount(book.bookUrl)
-        if (durChapterIndex != book.durChapterIndex) {
+        if (durChapterIndex != book.durChapterIndex || tocChanged) {
             durChapterIndex = book.durChapterIndex
             durChapterPos = book.durChapterPos
             clearTextChapter()
diff --git a/app/src/main/java/io/legado/app/ui/book/info/BookInfoActivity.kt b/app/src/main/java/io/legado/app/ui/book/info/BookInfoActivity.kt
index 7a48b95c9..fb0830572 100644
--- a/app/src/main/java/io/legado/app/ui/book/info/BookInfoActivity.kt
+++ b/app/src/main/java/io/legado/app/ui/book/info/BookInfoActivity.kt
@@ -91,6 +91,7 @@ class BookInfoActivity :
             viewModel.upEditBook()
         }
     }
+    private var tocChanged = false
 
     override val binding by viewBinding(ActivityBookInfoBinding::inflate)
     override val viewModel by viewModels<BookInfoViewModel>()
@@ -189,6 +190,7 @@ class BookInfoActivity :
             R.id.menu_log -> showDialogFragment<AppLogDialog>()
             R.id.menu_limit_content_length -> {
                 upLoading(true)
+                tocChanged = true
                 viewModel.bookData.value?.let {
                     it.setLimitContentLength(!item.isChecked)
                     viewModel.loadBookInfo(it, false)
@@ -441,8 +443,10 @@ class BookInfoActivity :
                 Intent(this, ReadBookActivity::class.java)
                     .putExtra("bookUrl", book.bookUrl)
                     .putExtra("inBookshelf", viewModel.inBookshelf)
+                    .putExtra("tocChanged", tocChanged)
             )
         }
+        tocChanged = false
     }
 
     override val oldBook: Book?
diff --git a/app/src/main/java/io/legado/app/ui/book/read/ReadBookViewModel.kt b/app/src/main/java/io/legado/app/ui/book/read/ReadBookViewModel.kt
index de573fed9..a83bc0352 100644
--- a/app/src/main/java/io/legado/app/ui/book/read/ReadBookViewModel.kt
+++ b/app/src/main/java/io/legado/app/ui/book/read/ReadBookViewModel.kt
@@ -40,6 +40,7 @@ class ReadBookViewModel(application: Application) : BaseViewModel(application) {
     fun initData(intent: Intent) {
         execute {
             ReadBook.inBookshelf = intent.getBooleanExtra("inBookshelf", true)
+            ReadBook.tocChanged = intent.getBooleanExtra("tocChanged", false)
             val bookUrl = intent.getStringExtra("bookUrl")
             val book = when {
                 bookUrl.isNullOrEmpty() -> appDb.bookDao.lastReadBook