sql优化一下

mp-service/src/main/resources/mapper/user/UserTicketOrderMapper.xml

@@ -54,7 +54,7 @@
 		select 
           DATE_FORMAT(t1.created_time, '%Y%m%d') AS time,
           SUM(t1.pay_amt) AS payAmt,
-          SUM(IFNULL(t1.ticket_num,0)) AS 'ticketNum',
+          SUM(IFNULL(t1.ticket_num,0)) AS ticketNum,
           COUNT(DISTINCT t1.user_id) AS payUserCnt
 	     from `mp_user_ticket_order` t1
 		${ew.customSqlSegment}