💄 修改作者显示默认值

src/views/NewsDetailView.vue

@@ -9,7 +9,7 @@
           <h1>{{ newsLoader.content.value.title }}</h1>
           <div class="row p-2 p-md-3 p-lg-4">
             <div class="col-12 col-md-4 col-lg-4 col-xl-4 d-flex justify-content-center">
-              <span class="small-info">作者：{{ newsLoader.content.value.author }}</span>
+              <span class="small-info">作者：{{ newsLoader.content.value.author || '管理员' }}</span>
             </div>
             <div class="col-12 col-md-4 col-lg-4 col-xl-4 d-flex justify-content-center">
               <span class="small-info">时间：{{ DateUtils.formatDate(newsLoader.content.value.publish_at, DateUtils.FormatStrings.YearCommon) }}</span>