fix: emptyOutDir = true

packages/preload/vite.config.ts

@@ -7,6 +7,7 @@ export default defineConfig({
   root: __dirname,
   build: {
     outDir: '../../dist/preload',
+    emptyOutDir: true,
     minify: process.env./* from mode option */NODE_ENV === 'production',
     // https://github.com/caoxiemeihao/electron-vue-vite/issues/61
     sourcemap: 'inline',