feat(wxcp): 活动封面改用附件中间表，报名姓名手机号改为选填

liu

2026-09-30 91491239c5d4611b5b1404a7abeb2bb23d0edad5

 yudao-module-system/src/main/java/cn/iocoder/yudao/module/system/dal/mysql/mail/MailLogMapper.java

@@ -21,7 +21,7 @@
                .eqIfPresent(MailLogDO::getSendStatus, reqVO.getSendStatus())
                .betweenIfPresent(MailLogDO::getSendTime, reqVO.getSendTime())
                .apply(StrUtil.isNotBlank(reqVO.getToMail()),
                        MyBatisUtils.findInSet("to_mails", reqVO.getToMail()))
                        MyBatisUtils.findInSet("to_mails"), reqVO.getToMail())
                .orderByDesc(MailLogDO::getId));
    }