fix:解决 a标签target=‘blank’ 带来的安全隐患

nezha-fronted/src/components/common/header.vue

@@ -16,7 +16,7 @@
         </template>
         <template v-for="(item, index) in linkData">
           <el-menu-item :index="'0-' + index">
-              <span class="linkTitle"><a :href='item.url' class="nz-a" target="_blank" :title="item.name">{{item.name}}</a></span>
+              <span class="linkTitle"><a :href='item.url' class="nz-a" target="_blank" rel="noopener norefferrer" :title="item.name">{{item.name}}</a></span>
           </el-menu-item>
         </template>
       </el-submenu>

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

@@ -98,7 +98,7 @@
           <div class="introduce-view right-margin" v-show="showIntroduce">
             <div class="info-room">
               <div class="col-md-9 doc-content">
-                <h1 class="page-header">Query examples<a class="header-anchor" href="https://prometheus.io/docs/prometheus/latest/querying/examples/" target="_blank"><i style="font-size: 16px;" class="nz-icon nz-icon-link1"></i></a></h1>
+                <h1 class="page-header">Query examples<a class="header-anchor" href="https://prometheus.io/docs/prometheus/latest/querying/examples/" target="_blank" rel="noopener norefferrer"><i style="font-size: 16px;" class="nz-icon nz-icon-link1"></i></a></h1>
                 <div class="content-divider"></div>
                 <h2 >
                   Simple time series selection