diff --git a/pqs-device/pq-device/pq-device-boot/src/main/java/com/njcn/device/pq/service/impl/TerminalBaseServiceImpl.java b/pqs-device/pq-device/pq-device-boot/src/main/java/com/njcn/device/pq/service/impl/TerminalBaseServiceImpl.java
index d6a40a534..4eb2302dd 100644
--- a/pqs-device/pq-device/pq-device-boot/src/main/java/com/njcn/device/pq/service/impl/TerminalBaseServiceImpl.java
+++ b/pqs-device/pq-device/pq-device-boot/src/main/java/com/njcn/device/pq/service/impl/TerminalBaseServiceImpl.java
@@ -4164,7 +4164,7 @@ public class TerminalBaseServiceImpl extends ServiceImpl<LineMapper, Line> imple
             if (updateDeviceParam.getDevType() != null) {
                 String oldDevTypeName = dictDataMap.get(devDetail.getDevType()) != null ? dictDataMap.get(devDetail.getDevType()).getName() : null;
                 String newDevTypeName = dictDataMap.get(updateDeviceParam.getDevType()) != null ? dictDataMap.get(updateDeviceParam.getDevType()).getName() : null;
-                compareAndAppend(stringBuilder, oldDevTypeName, newDevTypeName, "终端型号");
+                flag |=  compareAndAppend(stringBuilder, oldDevTypeName, newDevTypeName, "终端型号");
             }
             if(flag){
                 PqsTerminalLogs pqsTerminalLogs = new PqsTerminalLogs();