公式如下:SQL("mydb","select sum(a.write_sales_ton) as ton_write from bi_test a where a.site_id in('"+$油站+"') and a.summary_date between dateadd(day,-13,'"+$结束时间+"') and '"+$结束时间+"' group by a.summary_date order by sum(a.write_sales_ton)",1,1)用以上公式自定义Y轴最小值,当选择多个油站时就会失效,最小值变回0