src/main/resources/mapper/device/DeviceMaintenanceMapper.xml
@@ -20,7 +20,7 @@
        dm.maintenance_actually_name,
        dl.device_name,
        dl.device_model,
        su.user_name as create_user_name
        su.nick_name as create_user_name
        from device_maintenance dm
        left join device_ledger dl on dm.device_ledger_id = dl.id
        left join sys_user su on dm.create_user = su.user_id