Merge branch 'bug6713' into debug

src/views/system_manage/etaBaseConfig.vue

@@ -644,6 +644,7 @@ export default {
                 { label:'18',val:'18' },
                 { label:'20',val:'20' },
                 { label:'24',val:'24' },
+                { label:'28',val:'28' },
                 { label:'32',val:'32' },
                 { label:'36',val:'36' },
                 { label:'40',val:'40' },