diff --git a/agri-quartz/src/main/java/com/agri/quartz/task/AgriStatusTask.java b/agri-quartz/src/main/java/com/agri/quartz/task/AgriStatusTask.java
index dbab278..338fdef 100644
--- a/agri-quartz/src/main/java/com/agri/quartz/task/AgriStatusTask.java
+++ b/agri-quartz/src/main/java/com/agri/quartz/task/AgriStatusTask.java
@@ -93,6 +93,7 @@ public class AgriStatusTask {
             agriStatusManager.asyncBatchPushMqtt(statusMap);
             // 4. 离线设备
             List<SysAgriInfo> offlineDevices = findOfflineDevices(agriInfos, statusMap);
+            if (offlineDevices.isEmpty()) return;
             // 5. 保存消息中心
             List<SysMessage> messages = agriService.saveMessage(offlineDevices);
             // 6. 发送告警消息
@@ -120,9 +121,10 @@ public class AgriStatusTask {
                 offlineMap.put(map.getKey(), map.getValue());
             }
         }
+        if (offlineMap.isEmpty()) return new ArrayList<>();
         List<SysAgriInfo> offlineDevices = new ArrayList<>();
         for (SysAgriInfo agriInfo : agriInfos) {
-            if (!offlineMap.containsKey(agriInfo.getImei())) {
+            if (offlineMap.containsKey(agriInfo.getImei())) {
                 agriInfo.setTitle("设备离线告警");
                 agriInfo.setMsg("怀疑设备离线！请及时检查");
                 offlineDevices.add(agriInfo);
diff --git a/agri-quartz/src/main/java/com/agri/quartz/task/AgriTempTask.java b/agri-quartz/src/main/java/com/agri/quartz/task/AgriTempTask.java
index 9fc8334..b837232 100644
--- a/agri-quartz/src/main/java/com/agri/quartz/task/AgriTempTask.java
+++ b/agri-quartz/src/main/java/com/agri/quartz/task/AgriTempTask.java
@@ -58,6 +58,8 @@ public class AgriTempTask {
             }
             Map<String, Object> latestDataMap = queryLatestDtuData(imeiList);
             List<SysAgriInfo> offlineDevices = findOfflineDevices(agriInfos, latestDataMap);
+            if (CollectionUtils.isEmpty(offlineDevices)) return;
+
             List<SysMessage> messages = agriService.saveMessage(offlineDevices);
             // 推送离线告警
             frontendControlHandler.sendAlarmMessage(messages);
@@ -107,6 +109,9 @@ public class AgriTempTask {
     // 查找离线设备
     private List<SysAgriInfo> findOfflineDevices(List<SysAgriInfo> agriInfos,
                                                  Map<String, Object> latestDataMap) {
+        if (CollectionUtils.isEmpty(agriInfos)) {
+            return agriInfos;
+        }
         List<SysAgriInfo> offlineList = new ArrayList<>();
         for (SysAgriInfo agriInfo : agriInfos) {
             if (!latestDataMap.containsKey(agriInfo.getImei())) {