diff --git a/app/src/main/java/io/legado/app/ui/changesource/ChangeSourceDialog.kt b/app/src/main/java/io/legado/app/ui/changesource/ChangeSourceDialog.kt
index 54a8deffe..6044c448a 100644
--- a/app/src/main/java/io/legado/app/ui/changesource/ChangeSourceDialog.kt
+++ b/app/src/main/java/io/legado/app/ui/changesource/ChangeSourceDialog.kt
@@ -19,4 +19,5 @@ class ChangeSourceDialog : DialogFragment() {
         super.onViewCreated(view, savedInstanceState)
     }
 
+
 }
\ No newline at end of file
diff --git a/app/src/main/res/layout/dialog_change_source.xml b/app/src/main/res/layout/dialog_change_source.xml
index d829e291c..0f07a9375 100644
--- a/app/src/main/res/layout/dialog_change_source.xml
+++ b/app/src/main/res/layout/dialog_change_source.xml
@@ -1,7 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
-<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
     android:orientation="vertical"
     android:layout_width="match_parent"
     android:layout_height="match_parent">
 
-</LinearLayout>
\ No newline at end of file
+
+</androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file