diff --git a/app/src/main/res/layout/dialog_book_change_source.xml b/app/src/main/res/layout/dialog_book_change_source.xml
index 689b90cd8..afcac27e9 100644
--- a/app/src/main/res/layout/dialog_book_change_source.xml
+++ b/app/src/main/res/layout/dialog_book_change_source.xml
@@ -103,12 +103,6 @@
             android:text="还没有源！" />
     </LinearLayout>
 
-    <androidx.core.widget.NestedScrollView
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content">
-
-    </androidx.core.widget.NestedScrollView>
-
     <androidx.recyclerview.widget.RecyclerView
         android:id="@+id/recycler_view"
         android:layout_width="match_parent"