diff --git a/src/main/java/com/zhgd/xmgl/modules/safetyhat/service/impl/SafetyHatDataServiceImpl.java b/src/main/java/com/zhgd/xmgl/modules/safetyhat/service/impl/SafetyHatDataServiceImpl.java
index d83094c24..82359edc7 100644
--- a/src/main/java/com/zhgd/xmgl/modules/safetyhat/service/impl/SafetyHatDataServiceImpl.java
+++ b/src/main/java/com/zhgd/xmgl/modules/safetyhat/service/impl/SafetyHatDataServiceImpl.java
@@ -95,6 +95,7 @@ public class SafetyHatDataServiceImpl extends ServiceImpl<SafetyHatDataMapper, S
             throw new OpenAlertException("设备编号不正确");
         }
         dev.setHeartbeatTime(new Date());
+        dev.setOnline(1);
         safetyHatDevMapper.update(dev, new LambdaQueryWrapper<SafetyHatDev>()
                 .eq(SafetyHatDev::getDevSn, safetyHatData.getDevSn()));
         if (Objects.equals(safetyHatData.getLongitude(), 0D) && Objects.equals(safetyHatData.getLatitude(), 0D)) {