fix: 重构 FormKit 配置

src/main.ts

@@ -1,8 +1,8 @@
 import { createApp } from 'vue'
-import { plugin, defaultConfig } from '@formkit/vue'
+import { plugin, /* defaultConfig */ } from '@formkit/vue'
 import App from './App.vue'
 import formKitConfig from '../formkit.config'
 
 const app = createApp(App)
-app.use(plugin, defaultConfig(formKitConfig))
+app.use(plugin, formKitConfig)
 app.mount('#app')