处理可能会出现的空指针异常

pei

2024-03-29 728e60ce8431fe5a70e44a1da2d4835425ce83a5

 src/main/java/com/genersoft/iot/vmp/service/impl/PlatformChannelServiceImpl.java

@@ -164,7 +164,7 @@
            return 0;
        }
        if (ObjectUtils.isEmpty(catalogId)) {
            catalogId = null;
           catalogId = null;
        }

        List<DeviceChannel> deviceChannels = platformChannelMapper.queryAllChannelInCatalog(platformId, catalogId);