            </div>
                                <div class="panel-body">
                                    <div class="form-group col-sm-6">
                                        <label class="col-sm-6 control-label">数据库正反正验证:</label>
                                        <div class="col-sm-6">
                                            <div class="col-sm-12 btn-group pull-left " style="padding: 0 0;">
                                                <button ng-disabled="expression"