diff --git a/hzims-service/hzims-alarm/src/main/java/com/hnac/hzims/alarm/source/service/impl/MessageServiceImpl.java b/hzims-service/hzims-alarm/src/main/java/com/hnac/hzims/alarm/source/service/impl/MessageServiceImpl.java
index 9b14ffa..2453887 100644
--- a/hzims-service/hzims-alarm/src/main/java/com/hnac/hzims/alarm/source/service/impl/MessageServiceImpl.java
+++ b/hzims-service/hzims-alarm/src/main/java/com/hnac/hzims/alarm/source/service/impl/MessageServiceImpl.java
@@ -127,7 +127,7 @@ public class MessageServiceImpl implements MessageService {
                 .createUser(CommonConstant.SYSTEM_USER)
                 .params(new HashMap<String,String>(){{
                     put("projectName",entity.getStationName());
-                    put("deviceName", Optional.ofNullable(entity.getDeviceName()).orElse("未知设备"));
+                    put("deviceName", Optional.ofNullable(entity.getDeviceName()).orElse(""));
                     put("ruleDefName",entity.getAlarmContext());
                     put("ts", DateUtil.format(entity.getAlarmTime(),DateUtil.PATTERN_DATETIME));
                 }})