添加store

src/main.ts

@@ -1,5 +1,10 @@
-import { createApp } from 'vue'
+import {createApp} from 'vue'
 import './style.css'
 import App from './App.vue'
+import {createPinia} from "pinia"
 
-createApp(App).mount('#app')
+const pinia = createPinia()
+const app = createApp(App)
+
+app.use(pinia)
+app.mount('#app')