添加SVG图标组件，替换emoji图标为矢量图标

src/main.js

@@ -1,8 +1,10 @@
 import { createSSRApp } from 'vue'
 import App from './App.vue'
+import Icon from './components/Icon.vue'
 
 export function createApp() {
   const app = createSSRApp(App)
+  app.component('Icon', Icon)
   return {
     app
   }