diff --git a/app/src/main/java/io/legado/app/ui/book/local/ImportBookActivity.kt b/app/src/main/java/io/legado/app/ui/book/local/ImportBookActivity.kt
index ef4f8ae60..c3b17df4c 100644
--- a/app/src/main/java/io/legado/app/ui/book/local/ImportBookActivity.kt
+++ b/app/src/main/java/io/legado/app/ui/book/local/ImportBookActivity.kt
@@ -226,7 +226,7 @@ class ImportBookActivity : VMBaseActivity<ActivityImportBookBinding, ImportBookV
     }
 
     /**
-     * 扫描当前文件夹
+     * 扫描当前文件夹及所有子文件夹
      */
     private fun scanFolder() {
         rootDoc?.let { doc ->