首先，我怀疑你or没用明白，该括号括起来的地方没括起来。然后，你可以先把a表和d表分别汇总，然后再关联起来。select sum(d.go),sum(a.letter1),a.region_id1,d.region_idfrom(select region_id1,platform_id1,time1,sum(a.letter1) letter1 from dwds where `time1` BETWEEN 1535040000 A...