push

main.js

@@ -13,9 +13,9 @@ import App from './App.vue';
 import { createSSRApp } from 'vue'
 export function createApp() {
     const app = createSSRApp(App)
-    return {
-        app
-    }
+    // 关键：挂载应用到 #app 节点
+    app.mount('#app')
+    return { app }
 }
 // #endif