tr>
            <th>对象</th>
            <th>任务</th>
            <th>状态</th>
            <th>触发时间</th>
            <th></th>
        </tr>
        </thead>
        <tr v-for="task in tasks">
            <td>
                <span v-if="(task.type == 'clusterChange' || task.type == 'clusterNodesChange') && task.cluster != null">{{task.cluster.name}}
                    <link-icon :href="'/dns/clusters/cluster?clusterId=' + task.cluster.id" target="_top"></link-icon>
                </span>