diff --git a/db/db_day_luck_draw_period_reward.go b/db/db_day_luck_draw_period_reward.go
index 84d8575..b1a3c20 100644
--- a/db/db_day_luck_draw_period_reward.go
+++ b/db/db_day_luck_draw_period_reward.go
@@ -23,6 +23,13 @@ func GetDayLuckDrawPeriodRewardList(Db *xorm.Engine, parameter *md.DayLuckDrawPe
 	}
 	return list, count, nil
 }
+func GetDayLuckDrawPeriodRewardSum(Db *xorm.Engine, uid int) float64 {
+	sum, err := Db.Where("uid=?", uid).Sum(&model.DayLuckDrawPeriodReward{}, "reward")
+	if err != nil {
+		return 0
+	}
+	return sum
+}
 func DayLuckDrawPeriodRewardGetCount(Db *xorm.Engine, parameter *md.DayLuckDrawPeriodRewardRequest) int {
 	var ord model.DayLuckDrawPeriodReward
 	session := Db.Where("")