fix：添加边框 以及 panel加载两次的问题

nezha-fronted/src/components/page/dashboard/panel.vue

@@ -7,7 +7,7 @@
         </transition>
       </div>
       <div class="main-container">
-        <div class="top-tools">
+        <div class="top-tools panel-top-tools">
           <div v-if="panelData.length === 0" class="top-tool-left" style="margin-left: 10px;">
             <button id="panel-add-panel" class="nz-btn nz-btn-style-light nz-btn-size-small" @click="toAdd"><i class="nz-icon nz-icon-create-square"></i>&nbsp;&nbsp;{{$t("dashboard.panel.createPanelTitleSec")}}</button>
           </div>
@@ -313,7 +313,7 @@ export default {
       this.showPanel.type = 'dashboard'
       this.filter.panelId = this.showPanel.id
       // this.dateChange()
-      this.getTableData()
+      // this.getTableData()
       this.getData(this.filter)
       this.$refs.chartList.cleanData()
     },