diff --git a/app/src/main/java/io/legado/app/help/storage/Backup.kt b/app/src/main/java/io/legado/app/help/storage/Backup.kt
index e0efa4b9e..995ff8fdd 100644
--- a/app/src/main/java/io/legado/app/help/storage/Backup.kt
+++ b/app/src/main/java/io/legado/app/help/storage/Backup.kt
@@ -121,7 +121,7 @@ object Backup {
     private fun copyBackup() {
         for (fileName in backupFileNames) {
             FileHelp.getFile(backupPath + File.separator + "bookshelf.json")
-                .copyTo(FileHelp.getFile(legadoPath + File.separator + "bookshelf.json"))
+                .copyTo(FileHelp.getFile(legadoPath + File.separator + "bookshelf.json"), true)
         }
     }
 }
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