common_credit_log 表中的 operation 的取值对应的含义定义如下：
| 简写 | 关联id | 含义 |
|---|---|---|
| TRC | common_task.taskid | 任务奖励积分 |
| RTC | forum_thread.tid | 发表悬赏主题扣除积分 |
| RAC | forum_thread.tid | 最佳答案获取悬赏积分 |
| MRC | common_magic.mid | 道具随即获取积分 magic rand credit |
| BGC | common_magic.mid | 埋下红包 |
| RGC | common_magic.mid | 回收红包 |
| AGC | common_magic.mid | 获得红包 |
| BMC | common_magic.mid | 购买道具 |
| TFR | common_member.uid | 积分转账转出 |
| RCV | common_member.uid | 积分转账接收 |
| CEC | common_member.uid | 积分兑换 credit exchange |
| ECU | common_member.uid | 通过ucenter 兑换积分 exchange credit ucenter |
| SAC | forum_attachment.aid | 出售附件获得积分 sale attachment credit |
| BAC | forum_attachment.aid | 购买附件支出积分 buy attachment credit |
| PRC | forum_post.pid | 帖子被评分所得积分 post rate credit |
| RSC | forum_post.pid | 评分帖子扣除自己的积分 post rate credit |
| STC | forum_thread.tid | 出售主题获得积分 sale thread credit |
| BTC | forum_thread.tid | 购买主题支出积分 buy thread credit |
| AFD | common_member.uid | 购买积分即积分充值 |
| UGP | common_usergroup.groupid | 购买扩展用户组支出积分 |
| RPC | common_report.id | 举报功能中的奖惩 |
| ACC | forum_activity.tid | 参与活动扣除积分 |
| RCT | forum_thread.tid | 回帖奖励积分的扣除自己积分 reply credits thread |
| RCA | forum_posts.tid | 回帖奖励积分用户获得积分的记录 reply credits attain |
| RCB | forum_thread.tid | 回帖奖励积分用户编辑奖励主题返还积分的记录 reply credits back |
| CDC | 无 | 充值卡密操作积分记录， CarD Credit |
| RKC | home_show.uid | 排行榜竞价排名 RanKlist Credit |
| BME | forum_medal.medalid | 购买勋章 |
| AUT | forum_thread.tid | 为主题参与者打标签 |