修复活动购买会员显示

cooleshow-user/user-biz/src/main/resources/config/mybatis/ActivityUserRewardMapper.xml

@@ -42,7 +42,7 @@
             min(t.create_time_) as createTime,
             COUNT(DISTINCT t.id_) AS amount,
             ar.reward_type_ AS rewardType,
-            ar.unit_ AS unit,
+            IFNULL(ar.unit_, t.unit_) AS unit,
             group_concat(if(t.grant_flag_ = 1,ar.reward_name_,null)) as rewardNames
         FROM activity_user_reward t
         left join activity_reward ar on ar.id_ = t.reward_id_