修改查询sql

srs-stureg/src/main/resources/mapper/stureg/SrsStuRegCountMapper.xml

@@ -238,7 +238,7 @@
                  select s.tools_type,case  when r.xy='经济管理学院' then '长堽校区'
                                            when  r.xy='信息工程学院' then '长堽校区' else '里建校区' end as xq
                  from srs_at_station s inner  join srs_stu_reg r on s.ksh=r.ksh where s.create_time>CURDATE()-INTERVAL 90 DAY ) t
-        group by tools_type,xq order by xq,totalnum desc
+        group by tools_type,xq order by xq,count(1) desc
     </select>