多幢流程追踪页面不显示的问题

 <template>
-    <div class="content_box">
-        <el-tabs v-model="activeName" class="tabs" @tab-click="handleClick"   >
+    <el-tabs v-model="activeName" @tab-click="handleClick">
         <el-tab-pane label="多幢基本信息" name="dzxx"><dzxx v-if="dzJbxxVisble"></dzxx></el-tab-pane>
         <el-tab-pane label="附件材料" name="fjcl"><fjcl v-if="fjclVisible" ref="fjcl" :is-disabled="isDisabled"></fjcl></el-tab-pane>
         <el-tab-pane label="历史回溯" name="lshs"><lshs v-if="lshsVisible" :type="type" :bsm="$route.query.bsm"></lshs></el-tab-pane>
@@ -9,7 +8,6 @@
             <lcgz  ref="lcgz" ></lcgz>
         </el-tab-pane>
     </el-tabs>
-    </div>
 </template>
 
 <script>