As we can see, the sql in the [Chinese document about the quick start with sample cube|http://kylin.apache.org/cn/docs/tutorial/kylin_sample.html] misses a piece which should be "select part_dt, sum(price) as total_selled, count(distinct seller_id) as sellers from kylin_sales group by part_dt order by part_dt". But the English version is correct. With the helping of the front end code checking tool, you can see the right sql, so it's just a front end display issue and I think it's easy to fix.
I've tested by chrome, firefox and edge and got the same problem, so it's not the problem of brower .
It could be confusing for the beginner though it's easy to resolve.