                 刷新频率
                      </label>
                      <select id="settings_refresh_rate" ng-model="$ctrl.settings.repeater.refreshRate" ng-change="$ctrl.onSettingsRepeaterChange()" class="small-select">
                        <option value="10">10s</option>
                        <option value="30">30s</option>
                        <option value="60">1min</option>
                        <option value="120">2min</option>
                        <option value="300">5min</opt