diff --git a/app/src/main/java/io/legado/app/ui/readbook/ReadBookActivity.kt b/app/src/main/java/io/legado/app/ui/readbook/ReadBookActivity.kt
index 681829fc9..d6e91e91f 100644
--- a/app/src/main/java/io/legado/app/ui/readbook/ReadBookActivity.kt
+++ b/app/src/main/java/io/legado/app/ui/readbook/ReadBookActivity.kt
@@ -249,28 +249,20 @@ class ReadBookActivity : VMBaseActivity<ReadBookViewModel>(R.layout.activity_rea
      * 内容加载完成
      */
     override fun contentLoadFinish(bookChapter: BookChapter, content: String) {
-        launch {
-            when (bookChapter.index) {
-                viewModel.durChapterIndex -> {
-                    viewModel.curTextChapter =
-                        ChapterProvider.getTextChapter(content_text_view, bookChapter, content)
-                    page_view.upContent()
-                    curChapterChanged()
-                }
-                viewModel.durChapterIndex - 1 -> {
-                    viewModel.prevTextChapter =
-                        ChapterProvider.getTextChapter(content_text_view, bookChapter, content)
-                }
-                viewModel.durChapterIndex + 1 -> {
-                    viewModel.nextTextChapter =
-                        ChapterProvider.getTextChapter(content_text_view, bookChapter, content)
-                    viewModel.bookData.value?.let {
-                        for (i in viewModel.durChapterIndex.plus(2)
-                                ..viewModel.durChapterIndex.plus(8)) {
-                            viewModel.download(it, i)
-                        }
-                    }
-                }
+        when (bookChapter.index) {
+            viewModel.durChapterIndex -> launch {
+                viewModel.curTextChapter =
+                    ChapterProvider.getTextChapter(content_text_view, bookChapter, content)
+                page_view.upContent()
+                curChapterChanged()
+            }
+            viewModel.durChapterIndex - 1 -> launch {
+                viewModel.prevTextChapter =
+                    ChapterProvider.getTextChapter(content_text_view, bookChapter, content)
+            }
+            viewModel.durChapterIndex + 1 -> launch {
+                viewModel.nextTextChapter =
+                    ChapterProvider.getTextChapter(content_text_view, bookChapter, content)
             }
         }
     }
diff --git a/app/src/main/java/io/legado/app/ui/readbook/ReadBookViewModel.kt b/app/src/main/java/io/legado/app/ui/readbook/ReadBookViewModel.kt
index 48bb7b1fe..bcb17f50c 100644
--- a/app/src/main/java/io/legado/app/ui/readbook/ReadBookViewModel.kt
+++ b/app/src/main/java/io/legado/app/ui/readbook/ReadBookViewModel.kt
@@ -101,7 +101,7 @@ class ReadBookViewModel(application: Application) : BaseViewModel(application) {
         execute {
             App.db.bookChapterDao().getChapter(book.bookUrl, index)?.let { chapter ->
                 BookHelp.getContent(book, chapter)?.let {
-                    callBack?.contentLoadFinish(chapter, it)
+                    contentLoadFinish(chapter, it)
                     synchronized(loadingLock) {
                         loadingChapters.remove(index)
                     }
@@ -138,25 +138,31 @@ class ReadBookViewModel(application: Application) : BaseViewModel(application) {
         webBook?.getContent(book, chapter, scope = this)
             ?.onSuccess(IO) { content ->
                 if (content.isNullOrEmpty()) {
-                    callBack?.contentLoadFinish(chapter, context.getString(R.string.content_empty))
+                    contentLoadFinish(chapter, context.getString(R.string.content_empty))
                     synchronized(loadingLock) {
                         loadingChapters.remove(chapter.index)
                     }
                 } else {
                     BookHelp.saveContent(book, chapter, content)
-                    callBack?.contentLoadFinish(chapter, content)
+                    contentLoadFinish(chapter, content)
                     synchronized(loadingLock) {
                         loadingChapters.remove(chapter.index)
                     }
                 }
             }?.onError {
-                callBack?.contentLoadFinish(chapter, it.localizedMessage)
+                contentLoadFinish(chapter, it.localizedMessage)
                 synchronized(loadingLock) {
                     loadingChapters.remove(chapter.index)
                 }
             }
     }
 
+    private fun contentLoadFinish(chapter: BookChapter, content: String) {
+        if (chapter.index in durChapterIndex - 1..durChapterIndex + 1) {
+            callBack?.contentLoadFinish(chapter, content)
+        }
+    }
+
     fun changeTo(book: Book) {
         execute {
             bookData.value?.let {