diff --git a/packages/font-xiaolai/tsdown.config.ts b/packages/font-xiaolai/tsdown.config.ts
index f5f37be34..78f8a5585 100644
--- a/packages/font-xiaolai/tsdown.config.ts
+++ b/packages/font-xiaolai/tsdown.config.ts
@@ -8,5 +8,4 @@ export default defineConfig({
     { from: 'src/index.css', to: 'dist/index.css' },
   ],
   unbundle: true,
-  fixedExtension: true,
 })