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 cea8c77d1..724d7b2c7 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
@@ -236,9 +236,9 @@ class ReadBookActivity : VMBaseActivity<ReadBookViewModel>(R.layout.activity_rea
 
     private fun bookLoadFinish() {
         viewModel.bookData.value?.let {
-            viewModel.loadContent(it, it.durChapterIndex)
-            viewModel.loadContent(it, it.durChapterIndex + 1)
-            viewModel.loadContent(it, it.durChapterIndex - 1)
+            viewModel.loadContent(it, viewModel.durChapterIndex)
+            viewModel.loadContent(it, viewModel.durChapterIndex + 1)
+            viewModel.loadContent(it, viewModel.durChapterIndex - 1)
         }
     }
 
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 4184ee895..5fad1c557 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
@@ -59,6 +59,9 @@ class ReadBookViewModel(application: Application) : BaseViewModel(application) {
                                 toast(R.string.error_load_toc)
                             } ?: autoChangeSource()
                     } else {
+                        if (durChapterIndex > count - 1) {
+                            durChapterIndex = count - 1
+                        }
                         chapterMaxIndex.postValue(count)
                     }
                 }
@@ -81,6 +84,8 @@ class ReadBookViewModel(application: Application) : BaseViewModel(application) {
                         loadingChapters.remove(index)
                     }
                 } ?: download(book, chapter)
+            } ?: synchronized(loadingLock) {
+                loadingChapters.remove(index)
             }
         }.onError {
             synchronized(loadingLock) {