添加材质切换，调节功能

src/main.ts

@@ -1,6 +1,12 @@
 import { createApp } from 'vue'
 
 import App from './App.vue'
+import './assets/main.css'
+import { createPinia } from 'pinia';
 
-createApp(App).mount('#app')
+const pinia = createPinia();
+
+createApp(App)
+    .use(pinia)
+    .mount('#app')