diff --git a/gather-app/src/main/java/com/ruoyi/business/controller/BigScreenController.java b/gather-app/src/main/java/com/ruoyi/business/controller/BigScreenController.java
index 61f77d7..e53699e 100644
--- a/gather-app/src/main/java/com/ruoyi/business/controller/BigScreenController.java
+++ b/gather-app/src/main/java/com/ruoyi/business/controller/BigScreenController.java
@@ -109,7 +109,7 @@ public class BigScreenController extends BaseController {
         QueryWrapper<MetaRealEstateInfo> queryWrapper = new QueryWrapper<>();
         queryWrapper.between("longitude", startLongitude, endLongitude)
                 .between("latitude", startLatitude, endLatitude);
-        queryWrapper.groupBy("real_estate_brief_address","building_name");
+        queryWrapper.groupBy("real_estate_brief_address", "building_name");
         List<MetaRealEstateInfo> list = realEstateInfoService.list(queryWrapper);
         List<MetaRealEstateInfoDTO> resultList = new ArrayList<>();
         for (MetaRealEstateInfo info : list) {
@@ -296,20 +296,20 @@ public class BigScreenController extends BaseController {
         try {
             List<MetaAlarmInfoAndHandleAlarmVo> metaAlarmInfos = alarmInfoService.listAlarmAndHandleAlarm();
             ArrayList<MetaAlarmInfoAndHandleAlarmVo> alarmVos = new ArrayList<>();
-            for (MetaAlarmInfoAndHandleAlarmVo metaAlarmInfoAndHandleAlarmVo : metaAlarmInfos){
+            for (MetaAlarmInfoAndHandleAlarmVo metaAlarmInfoAndHandleAlarmVo : metaAlarmInfos) {
                 SimpleDateFormat outputSdf = new SimpleDateFormat("yyyyMMddHHmmss");
                 SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
-                if (metaAlarmInfoAndHandleAlarmVo.getCjxxHandleAlarmTime()!=null) {
+                if (metaAlarmInfoAndHandleAlarmVo.getCjxxHandleAlarmTime() != null) {
                     String cjxxHandleAlarmTime = metaAlarmInfoAndHandleAlarmVo.getCjxxHandleAlarmTime();
                     Date cjxxHandleAlarm = outputSdf.parse(cjxxHandleAlarmTime);
                     metaAlarmInfoAndHandleAlarmVo.setCjxxHandleAlarmTime(dateFormat.format(cjxxHandleAlarm));
                 }
-                if (metaAlarmInfoAndHandleAlarmVo.getJjxxInformantTime()!=null) {
+                if (metaAlarmInfoAndHandleAlarmVo.getJjxxInformantTime() != null) {
                     String jjxxInformantTime = metaAlarmInfoAndHandleAlarmVo.getJjxxInformantTime();
                     Date jjxxInformant = outputSdf.parse(jjxxInformantTime);
                     metaAlarmInfoAndHandleAlarmVo.setJjxxInformantTime(dateFormat.format(jjxxInformant));
                 }
-                if (metaAlarmInfoAndHandleAlarmVo.getJjxxAlarmResponseTime()!=null) {
+                if (metaAlarmInfoAndHandleAlarmVo.getJjxxAlarmResponseTime() != null) {
                     String jjxxAlarmResponseTime = metaAlarmInfoAndHandleAlarmVo.getJjxxAlarmResponseTime();
                     Date jjxxAlarmResponse = outputSdf.parse(jjxxAlarmResponseTime);
                     metaAlarmInfoAndHandleAlarmVo.setJjxxAlarmResponseTime(dateFormat.format(jjxxAlarmResponse));
@@ -317,7 +317,7 @@ public class BigScreenController extends BaseController {
                 alarmVos.add(metaAlarmInfoAndHandleAlarmVo);
             }
             List<MetaAlarmInfoAndHandleAlarmVo> sortedList = alarmVos.stream()
-                    .sorted(Comparator.comparing(MetaAlarmInfoAndHandleAlarmVo::getJjxxInformantTime))
+                    .sorted(Comparator.comparing(MetaAlarmInfoAndHandleAlarmVo::getJjxxAlarmResponseTime).reversed())
                     .collect(Collectors.toList());
             return AjaxResult.success(sortedList);
         } catch (Exception e) {
@@ -604,10 +604,10 @@ public class BigScreenController extends BaseController {
                     .collect(Collectors.groupingBy(
                             info -> {
                                 String homeName = info.getHomeName();
-                                return info.getRealEstateAddress().contains("商铺")? "商铺" :
-                                        homeName.length() == 3 ? homeName.charAt(0) +"楼" :
-                                        homeName.length() == 4 ? homeName.substring(0, 2) +"楼":
-                                        homeName.length() < 3 ? "1楼" : null;
+                                return info.getRealEstateAddress().contains("商铺") ? "商铺" :
+                                        homeName.length() == 3 ? homeName.charAt(0) + "楼" :
+                                                homeName.length() == 4 ? homeName.substring(0, 2) + "楼" :
+                                                        homeName.length() < 3 ? "1楼" : null;
                             },
                             Collectors.mapping(
                                     info -> {
@@ -620,7 +620,7 @@ public class BigScreenController extends BaseController {
                                             entryMap.put("type", "空置");
                                         }
                                         Integer integer = housingInfoService.lambdaQuery().eq(MetaRentalHousingInfo::getRentalHousingAddress, info.getRealEstateAddress()).count();
-                                        if (integer != 0){
+                                        if (integer != 0) {
                                             entryMap.put("type", "出租");
                                         }
                                         return entryMap;