细节优化

src/components/AppBackground.vue

@@ -6,12 +6,22 @@ const props = defineProps({
     default: 0,
   },
 });
-const bgs = ref(["../static/app-bg.png", "../static/app-bg2.png"]);
 </script>
 
 <template>
   <view class="background">
-    <image class="bg-image" :src="bgs[type]" mode="widthFix" />
+    <image
+      class="bg-image"
+      v-if="type === 0"
+      src="../static/app-bg.png"
+      mode="widthFix"
+    />
+    <image
+      class="bg-image"
+      v-if="type === 1"
+      src="../static/app-bg2.png"
+      mode="widthFix"
+    />
     <view class="bg-overlay" v-if="type === 0"></view>
   </view>
 </template>