fix：修复bug

server-service/src/main/java/com/makeit/service/platform/device/impl/PlatDeviceServiceImpl.java

@@ -405,10 +405,12 @@ public class PlatDeviceServiceImpl extends ServiceImpl<PlatDeviceMapper, PlatDev
         log.info("写入设备属性请求参数:{}",JSON.toJSONString(dto));
         devicePropertiesOperateService.deviceWrite(dto.getDeviceId(), dto.getRadarMount(), dto.getRadarMode(), dto.getRadarHight(),dto.getUsrServerInfo());
 
-        //更新区域设置设备安装方式
-        platRegionSettingService.update(new UpdateWrapper<PlatRegionSetting>().lambda()
-                .set(PlatRegionSetting::getInstallType, dto.getRadarMount())
-                .eq(PlatRegionSetting::getDeviceId, dto.getDeviceId()));
+        if (dto.getRadarMount() != null) {
+            //更新区域设置设备安装方式
+            platRegionSettingService.update(new UpdateWrapper<PlatRegionSetting>().lambda()
+                    .set(PlatRegionSetting::getInstallType, dto.getRadarMount())
+                    .eq(PlatRegionSetting::getDeviceId, dto.getDeviceId()));
+        }
 
     }