update:activity 新增改为操作

src/views/Root/Activity/detail.vue

@@ -2,7 +2,7 @@
   <div>
     <p class="text-2xl font-bold mb-5">{{ title }}</p>
     {{ $route.query.id }}
-    <p class="text-gray-400">新增时间：{{ time | formatDate }}</p>
+    <p class="text-gray-400">操作时间：{{ time | formatDate }}</p>
     <img v-if="imageUrl" :src="imageUrl" class="mx-auto my-5" />
     <p class="text-left p-5" v-html="content">{{ content }}</p>
   </div>
@@ -28,7 +28,7 @@ export default Vue.extend({
   async mounted() {
     const item: eActivityItem = JSON.parse(this.$route.query.record as string);
     this.title = item.title;
-    this.time = item.created_at;
+    this.time = item.update_at;
     this.content = item.content;
     this.file_name = item.file_name;
     if (this.file_name) {