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 780000f4c..46944a4ea 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
@@ -190,6 +190,7 @@ class ReadBookActivity : VMBaseActivity<ReadBookViewModel>(R.layout.activity_rea
     override fun onCompatOptionsItemSelected(item: MenuItem): Boolean {
         when (item.itemId) {
             R.id.menu_change_source -> {
+                read_menu.runMenuOut()
                 if (changeSourceDialog == null) {
                     viewModel.bookData.value?.let {
                         changeSourceDialog = ChangeSourceDialog
@@ -287,6 +288,10 @@ class ReadBookActivity : VMBaseActivity<ReadBookViewModel>(R.layout.activity_rea
         }
     }
 
+    override fun upContent() {
+        page_view.upContent()
+    }
+
     private fun curChapterChanged() {
         viewModel.curTextChapter?.let {
             tv_chapter_name.text = it.title
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 78b743705..b1d706b33 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
@@ -42,7 +42,6 @@ class ReadBookViewModel(application: Application) : BaseViewModel(application) {
             } else {
                 App.db.bookDao().lastReadBook
             }
-            saveRead(book)
             book?.let {
                 durChapterIndex = book.durChapterIndex
                 durPageIndex = book.durChapterPos
@@ -66,6 +65,7 @@ class ReadBookViewModel(application: Application) : BaseViewModel(application) {
                     chapterListFinish.postValue(true)
                 }
             }
+            saveRead(book)
         }.onError { it.printStackTrace() }
     }
 
@@ -225,6 +225,10 @@ class ReadBookViewModel(application: Application) : BaseViewModel(application) {
             bookData.value?.let {
                 App.db.bookDao().delete(it.bookUrl)
             }
+            prevTextChapter = null
+            curTextChapter = null
+            nextTextChapter = null
+            callBack?.upContent()
             App.db.bookDao().insert(book)
             bookData.postValue(book)
             App.db.bookSourceDao().getBookSource(book.origin)?.let {
@@ -321,5 +325,6 @@ class ReadBookViewModel(application: Application) : BaseViewModel(application) {
 
     interface CallBack {
         fun contentLoadFinish(bookChapter: BookChapter, content: String)
+        fun upContent()
     }
 }
\ No newline at end of file