diff --git a/app/src/main/java/com/monke/monkeybook/help/DataBackup.java b/app/src/main/java/com/monke/monkeybook/help/DataBackup.java
index da9906aaa4..bd184da107 100644
--- a/app/src/main/java/com/monke/monkeybook/help/DataBackup.java
+++ b/app/src/main/java/com/monke/monkeybook/help/DataBackup.java
@@ -85,6 +85,7 @@ private void backupBookShelf(File file) {
             DocumentFile docFile = FileHelper.createFileIfNotExist("myBookShelf.xml", file.getPath());
             FileHelper.writeString(bookshelf, docFile);
         }
+        BookshelfHelp.getAllBook();
     }
 
     private void backupBookSource(File file) {