diff --git a/svc/svc_day_luck_draw_reward.go b/svc/svc_day_luck_draw_reward.go
index bdc1e8a..a2df61a 100644
--- a/svc/svc_day_luck_draw_reward.go
+++ b/svc/svc_day_luck_draw_reward.go
@@ -318,7 +318,7 @@ func SetAllAwardsProbability(sess *xorm.Session, mid string) error {
 		}(i)
 	}
 	for _, award := range rewardData {
-		probabilityD, err := decimal.NewFromString(award.Num)
+		probabilityD, err := decimal.NewFromString(award.Probability)
 		if err != nil {
 			probabilityD = decimal.NewFromInt(0)
 		}