人防代码优化

service-cdi/service-cdi-biz/src/main/java/com/usky/cdi/service/impl/CdiDeliveryLogServiceImpl.java

@@ -345,7 +345,7 @@ public class CdiDeliveryLogServiceImpl extends AbstractCrudService<CdiDeliveryLo
             page = this.page(page, queryWrapper);
         }
         page.getRecords().forEach(log -> {
-            log.setNickName(userMap.get(log.getUserName()));
+            log.setNickName(userMap.getOrDefault(log.getUserName(), log.getUserName()));
             log.setDataTypeName((MqttTopics.getDescByTopic(log.getTopic())));
         });