diff --git a/app/src/main/java/io/legado/app/data/dao/BookChapterDao.kt b/app/src/main/java/io/legado/app/data/dao/BookChapterDao.kt
index 43ad9bd78..e5a47eb3d 100644
--- a/app/src/main/java/io/legado/app/data/dao/BookChapterDao.kt
+++ b/app/src/main/java/io/legado/app/data/dao/BookChapterDao.kt
@@ -13,6 +13,9 @@ interface BookChapterDao {
     @Query("SELECT * FROM chapters where bookUrl = :bookUrl and title like '%'||:key||'%' order by `index`")
     fun search(bookUrl: String, key: String): List<BookChapter>
 
+    @Query("SELECT * FROM chapters where bookUrl = :bookUrl and `index` >= :start and `index` <= :end and title like '%'||:key||'%' order by `index`")
+    fun search(bookUrl: String, key: String, start: Int, end: Int): List<BookChapter>
+
     @Query("select * from chapters where bookUrl = :bookUrl order by `index`")
     fun getChapterList(bookUrl: String): List<BookChapter>
 
diff --git a/app/src/main/java/io/legado/app/data/entities/Book.kt b/app/src/main/java/io/legado/app/data/entities/Book.kt
index 0be86a106..d1ede0c91 100644
--- a/app/src/main/java/io/legado/app/data/entities/Book.kt
+++ b/app/src/main/java/io/legado/app/data/entities/Book.kt
@@ -17,6 +17,7 @@ import io.legado.app.help.book.ContentProcessor
 import io.legado.app.help.book.isEpub
 import io.legado.app.help.book.isImage
 import io.legado.app.help.book.isPdf
+import io.legado.app.help.book.simulatedTotalChapterNum
 import io.legado.app.help.config.AppConfig
 import io.legado.app.help.config.ReadBookConfig
 import io.legado.app.model.ReadBook
@@ -27,7 +28,6 @@ import kotlinx.parcelize.IgnoredOnParcel
 import kotlinx.parcelize.Parcelize
 import java.nio.charset.Charset
 import java.time.LocalDate
-import java.time.Period.between
 import kotlin.math.max
 import kotlin.math.min
 
@@ -160,18 +160,6 @@ data class Book(
     @IgnoredOnParcel
     val lastChapterIndex get() = totalChapterNum - 1
 
-    // 根据当前日期计算章节总数
-    fun simulatedTotalChapterNum(): Int {
-        if (config.readSimulating) {
-            val currentDate = LocalDate.now()
-            val daysPassed = between(this.config.startDate, currentDate).days + 1
-            // 计算当前应该解锁到哪一章
-            val chaptersToUnlock =
-                max(0, (config.startChapter ?: 0) + (daysPassed * config.dailyChapters))
-            return min(this.totalChapterNum, chaptersToUnlock)
-        } else return this.totalChapterNum
-    }
-
     fun getRealAuthor() = author.replace(AppPattern.authorRegex, "")
 
     fun getUnreadChapterNum() = max(simulatedTotalChapterNum() - durChapterIndex - 1, 0)
diff --git a/app/src/main/java/io/legado/app/help/book/BookExtensions.kt b/app/src/main/java/io/legado/app/help/book/BookExtensions.kt
index 3925c04d7..c6b4efd25 100644
--- a/app/src/main/java/io/legado/app/help/book/BookExtensions.kt
+++ b/app/src/main/java/io/legado/app/help/book/BookExtensions.kt
@@ -23,8 +23,12 @@ import io.legado.app.utils.isUri
 import io.legado.app.utils.toastOnUi
 import splitties.init.appCtx
 import java.io.File
+import java.time.LocalDate
+import java.time.Period.between
 import java.util.concurrent.ConcurrentHashMap
 import kotlin.collections.set
+import kotlin.math.max
+import kotlin.math.min
 
 
 val Book.isAudio: Boolean
@@ -296,6 +300,20 @@ fun Book.getExportFileName(
     }.getOrDefault(default)
 }
 
+// 根据当前日期计算章节总数
+fun Book.simulatedTotalChapterNum(): Int {
+    return if (config.readSimulating) {
+        val currentDate = LocalDate.now()
+        val daysPassed = between(this.config.startDate, currentDate).days + 1
+        // 计算当前应该解锁到哪一章
+        val chaptersToUnlock =
+            max(0, (config.startChapter ?: 0) + (daysPassed * config.dailyChapters))
+        min(totalChapterNum, chaptersToUnlock)
+    } else {
+        totalChapterNum
+    }
+}
+
 fun tryParesExportFileName(jsStr: String): Boolean {
     val bindings = SimpleBindings()
     bindings["name"] = "name"
diff --git a/app/src/main/java/io/legado/app/model/AudioPlay.kt b/app/src/main/java/io/legado/app/model/AudioPlay.kt
index 34067650c..19c035299 100644
--- a/app/src/main/java/io/legado/app/model/AudioPlay.kt
+++ b/app/src/main/java/io/legado/app/model/AudioPlay.kt
@@ -12,6 +12,7 @@ import io.legado.app.data.entities.BookChapter
 import io.legado.app.data.entities.BookSource
 import io.legado.app.help.book.ContentProcessor
 import io.legado.app.help.book.getBookSource
+import io.legado.app.help.book.simulatedTotalChapterNum
 import io.legado.app.help.coroutine.Coroutine
 import io.legado.app.service.AudioPlayService
 import io.legado.app.utils.postEvent
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 61719ee67..96b001937 100644
--- a/app/src/main/java/io/legado/app/model/ReadBook.kt
+++ b/app/src/main/java/io/legado/app/model/ReadBook.kt
@@ -12,6 +12,7 @@ import io.legado.app.help.AppWebDav
 import io.legado.app.help.book.BookHelp
 import io.legado.app.help.book.ContentProcessor
 import io.legado.app.help.book.isLocal
+import io.legado.app.help.book.simulatedTotalChapterNum
 import io.legado.app.help.config.AppConfig
 import io.legado.app.help.config.ReadBookConfig
 import io.legado.app.help.coroutine.Coroutine
@@ -47,6 +48,7 @@ object ReadBook : CoroutineScope by MainScope() {
     var inBookshelf = false
     var tocChanged = false
     var chapterSize = 0
+    var simulatedChapterSize = 0
     var durChapterIndex = 0
     var durChapterPos = 0
     var isLocalBook = true
@@ -92,6 +94,11 @@ object ReadBook : CoroutineScope by MainScope() {
         readRecord.bookName = book.name
         readRecord.readTime = appDb.readRecordDao.getReadTime(book.name) ?: 0
         chapterSize = appDb.bookChapterDao.getChapterCount(book.bookUrl)
+        simulatedChapterSize = if (book.config.readSimulating) {
+            book.simulatedTotalChapterNum()
+        } else {
+            chapterSize
+        }
         contentProcessor = ContentProcessor.get(book)
         durChapterIndex = book.durChapterIndex
         durChapterPos = book.durChapterPos
@@ -112,6 +119,11 @@ object ReadBook : CoroutineScope by MainScope() {
     fun upData(book: Book) {
         ReadBook.book = book
         chapterSize = appDb.bookChapterDao.getChapterCount(book.bookUrl)
+        simulatedChapterSize = if (book.config.readSimulating) {
+            book.simulatedTotalChapterNum()
+        } else {
+            chapterSize
+        }
         if (durChapterIndex != book.durChapterIndex || tocChanged) {
             durChapterIndex = book.durChapterIndex
             durChapterPos = book.durChapterPos
@@ -229,7 +241,7 @@ object ReadBook : CoroutineScope by MainScope() {
     }
 
     fun moveToNextChapter(upContent: Boolean, upContentInPlace: Boolean = true): Boolean {
-        if (durChapterIndex < (book?.simulatedTotalChapterNum()?: chapterSize) - 1) {
+        if (durChapterIndex < simulatedChapterSize - 1) {
             durChapterPos = 0
             durChapterIndex++
             prevTextChapter?.cancelLayout()
@@ -544,7 +556,7 @@ object ReadBook : CoroutineScope by MainScope() {
             val contents = contentProcessor
                 .getContent(book, chapter, content, includeTitle = false)
             val textChapter = ChapterProvider.getTextChapterAsync(
-                this@ReadBook, book, chapter, displayTitle, contents, chapterSize
+                this@ReadBook, book, chapter, displayTitle, contents, simulatedChapterSize
             )
             when (val offset = chapter.index - durChapterIndex) {
                 0 -> {
diff --git a/app/src/main/java/io/legado/app/model/webBook/BookChapterList.kt b/app/src/main/java/io/legado/app/model/webBook/BookChapterList.kt
index 37876cd7f..c0b75896a 100644
--- a/app/src/main/java/io/legado/app/model/webBook/BookChapterList.kt
+++ b/app/src/main/java/io/legado/app/model/webBook/BookChapterList.kt
@@ -11,6 +11,7 @@ import io.legado.app.data.entities.rule.TocRule
 import io.legado.app.exception.NoStackTraceException
 import io.legado.app.exception.TocEmptyException
 import io.legado.app.help.book.ContentProcessor
+import io.legado.app.help.book.simulatedTotalChapterNum
 import io.legado.app.help.config.AppConfig
 import io.legado.app.model.Debug
 import io.legado.app.model.analyzeRule.AnalyzeRule
diff --git a/app/src/main/java/io/legado/app/ui/book/audio/AudioPlayActivity.kt b/app/src/main/java/io/legado/app/ui/book/audio/AudioPlayActivity.kt
index 9172f8e60..d324afcf7 100644
--- a/app/src/main/java/io/legado/app/ui/book/audio/AudioPlayActivity.kt
+++ b/app/src/main/java/io/legado/app/ui/book/audio/AudioPlayActivity.kt
@@ -24,6 +24,7 @@ import io.legado.app.data.entities.BookSource
 import io.legado.app.databinding.ActivityAudioPlayBinding
 import io.legado.app.help.book.isAudio
 import io.legado.app.help.book.removeType
+import io.legado.app.help.book.simulatedTotalChapterNum
 import io.legado.app.help.config.AppConfig
 import io.legado.app.lib.dialogs.alert
 import io.legado.app.model.AudioPlay
diff --git a/app/src/main/java/io/legado/app/ui/book/info/BookInfoViewModel.kt b/app/src/main/java/io/legado/app/ui/book/info/BookInfoViewModel.kt
index db6abd93d..151288d83 100644
--- a/app/src/main/java/io/legado/app/ui/book/info/BookInfoViewModel.kt
+++ b/app/src/main/java/io/legado/app/ui/book/info/BookInfoViewModel.kt
@@ -25,6 +25,7 @@ import io.legado.app.help.book.isLocal
 import io.legado.app.help.book.isSameNameAuthor
 import io.legado.app.help.book.isWebFile
 import io.legado.app.help.book.removeType
+import io.legado.app.help.book.simulatedTotalChapterNum
 import io.legado.app.help.coroutine.Coroutine
 import io.legado.app.lib.webdav.ObjectNotFoundException
 import io.legado.app.model.BookCover
@@ -251,7 +252,8 @@ class BookInfoViewModel(application: Application) : BaseViewModel(application) {
                         appDb.bookChapterDao.insert(*it.toTypedArray())
                         if (book.isSameNameAuthor(ReadBook.book)) {
                             ReadBook.book = book
-                            ReadBook.chapterSize = book.simulatedTotalChapterNum()
+                            ReadBook.chapterSize = book.totalChapterNum
+                            ReadBook.simulatedChapterSize = book.simulatedTotalChapterNum()
                         }
                     }
                     bookData.postValue(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 40c21d682..b387d2c64 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
@@ -22,6 +22,7 @@ import io.legado.app.help.book.ContentProcessor
 import io.legado.app.help.book.isLocal
 import io.legado.app.help.book.isLocalModified
 import io.legado.app.help.book.removeType
+import io.legado.app.help.book.simulatedTotalChapterNum
 import io.legado.app.help.config.AppConfig
 import io.legado.app.help.coroutine.Coroutine
 import io.legado.app.model.ImageProvider
@@ -116,8 +117,8 @@ class ReadBookViewModel(application: Application) : BaseViewModel(application) {
             ReadBook.loadOrUpContent()
             checkLocalBookFileExist(book)
         } else {
-            if (ReadBook.durChapterIndex > ReadBook.chapterSize - 1) {
-                ReadBook.durChapterIndex = ReadBook.chapterSize - 1
+            if (ReadBook.durChapterIndex > ReadBook.simulatedChapterSize - 1) {
+                ReadBook.durChapterIndex = ReadBook.simulatedChapterSize - 1
             }
             ReadBook.loadContent(resetPageOffset = false)
             checkLocalBookFileExist(book)
@@ -176,6 +177,7 @@ class ReadBookViewModel(application: Application) : BaseViewModel(application) {
                     appDb.bookChapterDao.insert(*it.toTypedArray())
                     appDb.bookDao.update(book)
                     ReadBook.chapterSize = it.size
+                    ReadBook.simulatedChapterSize = book.simulatedTotalChapterNum()
                     ReadBook.upMsg(null)
                     ReadBook.loadContent(resetPageOffset = true)
                 }
@@ -205,6 +207,7 @@ class ReadBookViewModel(application: Application) : BaseViewModel(application) {
                         appDb.bookChapterDao.delByBook(oldBook.bookUrl)
                         appDb.bookChapterDao.insert(*cList.toTypedArray())
                         ReadBook.chapterSize = cList.size
+                        ReadBook.simulatedChapterSize = book.simulatedTotalChapterNum()
                         ReadBook.upMsg(null)
                         ReadBook.loadContent(resetPageOffset = true)
                     }.onError {
diff --git a/app/src/main/java/io/legado/app/ui/book/read/ReadMenu.kt b/app/src/main/java/io/legado/app/ui/book/read/ReadMenu.kt
index 960b84aaa..12b169066 100644
--- a/app/src/main/java/io/legado/app/ui/book/read/ReadMenu.kt
+++ b/app/src/main/java/io/legado/app/ui/book/read/ReadMenu.kt
@@ -509,7 +509,7 @@ class ReadMenu @JvmOverloads constructor(
             }
             upSeekBar()
             binding.tvPre.isEnabled = ReadBook.durChapterIndex != 0
-            binding.tvNext.isEnabled = ReadBook.durChapterIndex != ReadBook.chapterSize - 1
+            binding.tvNext.isEnabled = ReadBook.durChapterIndex != ReadBook.simulatedChapterSize - 1
         } ?: let {
             binding.tvChapterName.gone()
             binding.tvChapterUrl.gone()
@@ -527,7 +527,7 @@ class ReadMenu @JvmOverloads constructor(
                 }
 
                 "chapter" -> {
-                    max = ReadBook.chapterSize - 1
+                    max = ReadBook.simulatedChapterSize - 1
                     progress = ReadBook.durChapterIndex
                 }
             }
diff --git a/app/src/main/java/io/legado/app/ui/book/read/page/ReadView.kt b/app/src/main/java/io/legado/app/ui/book/read/page/ReadView.kt
index 55ff73577..2a09cda97 100644
--- a/app/src/main/java/io/legado/app/ui/book/read/page/ReadView.kt
+++ b/app/src/main/java/io/legado/app/ui/book/read/page/ReadView.kt
@@ -708,8 +708,7 @@ class ReadView(context: Context, attrs: AttributeSet) :
         }
 
     override fun hasNextChapter(): Boolean {
-        return ReadBook.durChapterIndex < ((ReadBook.book?.simulatedTotalChapterNum()
-            ?: ReadBook.chapterSize) - 1)
+        return ReadBook.durChapterIndex < ReadBook.simulatedChapterSize - 1
     }
 
     override fun hasPrevChapter(): Boolean {
diff --git a/app/src/main/java/io/legado/app/ui/book/toc/ChapterListFragment.kt b/app/src/main/java/io/legado/app/ui/book/toc/ChapterListFragment.kt
index 7c3150f1a..460ae7132 100644
--- a/app/src/main/java/io/legado/app/ui/book/toc/ChapterListFragment.kt
+++ b/app/src/main/java/io/legado/app/ui/book/toc/ChapterListFragment.kt
@@ -17,6 +17,7 @@ import io.legado.app.data.entities.BookChapter
 import io.legado.app.databinding.FragmentChapterListBinding
 import io.legado.app.help.book.BookHelp
 import io.legado.app.help.book.isLocal
+import io.legado.app.help.book.simulatedTotalChapterNum
 import io.legado.app.lib.theme.bottomBackground
 import io.legado.app.lib.theme.getPrimaryTextColor
 import io.legado.app.ui.widget.recycler.UpLinearLayoutManager
@@ -81,7 +82,7 @@ class ChapterListFragment : VMBaseFragment<TocViewModel>(R.layout.fragment_chapt
             upChapterList(null)
             durChapterIndex = book.durChapterIndex
             binding.tvCurrentChapterInfo.text =
-                "${book.durChapterTitle}(${book.durChapterIndex + 1}/${book.totalChapterNum})"
+                "${book.durChapterTitle}(${book.durChapterIndex + 1}/${book.simulatedTotalChapterNum()})"
             initCacheFileNames(book)
         }
     }
@@ -117,12 +118,12 @@ class ChapterListFragment : VMBaseFragment<TocViewModel>(R.layout.fragment_chapt
     override fun upChapterList(searchKey: String?) {
         lifecycleScope.launch {
             withContext(IO) {
+                val end = (book?.simulatedTotalChapterNum() ?: Int.MAX_VALUE) - 1
                 when {
-                    searchKey.isNullOrBlank() -> appDb.bookChapterDao.getChapterList(
-                        viewModel.bookUrl
-                    ).take(book?.simulatedTotalChapterNum() ?: Int.MAX_VALUE)
+                    searchKey.isNullOrBlank() ->
+                        appDb.bookChapterDao.getChapterList(viewModel.bookUrl, 0, end)
 
-                    else -> appDb.bookChapterDao.search(viewModel.bookUrl, searchKey)
+                    else -> appDb.bookChapterDao.search(viewModel.bookUrl, searchKey, 0, end)
                 }
             }.let {
                 adapter.setItems(it)
diff --git a/app/src/main/java/io/legado/app/ui/book/toc/TocActivity.kt b/app/src/main/java/io/legado/app/ui/book/toc/TocActivity.kt
index d86771516..8b764cdeb 100644
--- a/app/src/main/java/io/legado/app/ui/book/toc/TocActivity.kt
+++ b/app/src/main/java/io/legado/app/ui/book/toc/TocActivity.kt
@@ -18,6 +18,7 @@ import io.legado.app.base.VMBaseActivity
 import io.legado.app.data.entities.Book
 import io.legado.app.databinding.ActivityChapterListBinding
 import io.legado.app.help.book.isLocalTxt
+import io.legado.app.help.book.simulatedTotalChapterNum
 import io.legado.app.help.config.AppConfig
 import io.legado.app.lib.theme.accentColor
 import io.legado.app.lib.theme.primaryTextColor
@@ -26,8 +27,12 @@ import io.legado.app.ui.about.AppLogDialog
 import io.legado.app.ui.book.toc.rule.TxtTocRuleDialog
 import io.legado.app.ui.file.HandleFileContract
 import io.legado.app.ui.widget.dialog.WaitDialog
-import io.legado.app.utils.*
+import io.legado.app.utils.applyTint
+import io.legado.app.utils.gone
+import io.legado.app.utils.hideSoftInput
+import io.legado.app.utils.showDialogFragment
 import io.legado.app.utils.viewbindingdelegate.viewBinding
+import io.legado.app.utils.visible
 
 /**
  * 目录
@@ -192,7 +197,8 @@ class TocActivity : VMBaseActivity<ActivityChapterListBinding, TocViewModel>(),
             ReadBook.book?.let { readBook ->
                 if (readBook == book) {
                     ReadBook.book = book
-                    ReadBook.chapterSize = book.simulatedTotalChapterNum()
+                    ReadBook.chapterSize = book.totalChapterNum
+                    ReadBook.simulatedChapterSize = book.simulatedTotalChapterNum()
                     ReadBook.upMsg(null)
                     ReadBook.loadContent(resetPageOffset = true)
                 }
diff --git a/app/src/main/java/io/legado/app/ui/main/MainViewModel.kt b/app/src/main/java/io/legado/app/ui/main/MainViewModel.kt
index 6f9080a62..33a93e85d 100644
--- a/app/src/main/java/io/legado/app/ui/main/MainViewModel.kt
+++ b/app/src/main/java/io/legado/app/ui/main/MainViewModel.kt
@@ -19,6 +19,7 @@ import io.legado.app.help.book.isLocal
 import io.legado.app.help.book.isSameNameAuthor
 import io.legado.app.help.book.isUpError
 import io.legado.app.help.book.removeType
+import io.legado.app.help.book.simulatedTotalChapterNum
 import io.legado.app.help.book.sync
 import io.legado.app.help.config.AppConfig
 import io.legado.app.model.CacheBook
@@ -163,7 +164,8 @@ class MainViewModel(application: Application) : BaseViewModel(application) {
             appDb.bookChapterDao.insert(*toc.toTypedArray())
             if (book.isSameNameAuthor(ReadBook.book)) {
                 ReadBook.book = book
-                ReadBook.chapterSize = book.simulatedTotalChapterNum()
+                ReadBook.chapterSize = book.totalChapterNum
+                ReadBook.simulatedChapterSize = book.simulatedTotalChapterNum()
             }
             addDownload(source, book)
         }.onFailure {