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 cfeaf51db..457ddf8bd 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
@@ -1981,6 +1981,8 @@ public class TerminalBaseServiceImpl extends ServiceImpl<LineMapper, Line> imple
                                 LambdaQueryWrapper<DeviceBak> deviceBakLambdaQueryWrapper1 = new LambdaQueryWrapper<>();
                                 deviceBakLambdaQueryWrapper1.in(DeviceBak::getId, ids);
                                 deviceBakService.remove(deviceBakLambdaQueryWrapper1);
+                            }else if(devList.size()==1){
+                                temp = lineMapper.selectById(devList.get(0).getId());
                             }
                         }
                     }