Fixed logs button of task is not running.

            {% endif %}

            <!-- View log -->

            {% if task.status == "created" %}

            <a href="" class="btn btn-disabled">Logs</a>  

            {% else %}

            {% if task.status == "running" %}

            <a href="/task_log/?uuid={{task.uuid}}&action=viewlog" class="btn btn-action">Logs</a> 

            {% else %}

            <a href="" class="btn btn-disabled">Logs</a> 

            {% endif %}

            </div>