diff --git a/modules/arena/api_challengereward.go b/modules/arena/api_challengereward.go
index 2908a80af..cd60f2076 100644
--- a/modules/arena/api_challengereward.go
+++ b/modules/arena/api_challengereward.go
@@ -167,14 +167,14 @@ func (this *apiComp) ChallengeReward(session comm.IUserSession, req *pb.ArenaCha
 		}
 		for i, v := range info.Attack.Formt {
 			if v != nil {
-				redrecord.Formt[i] = &pb.DBHeroBase{
+				buleRecord.Formt[i] = &pb.DBHeroBase{
 					Oid:  v.Id,
 					Cid:  v.HeroID,
 					Star: v.Star,
 					Lv:   v.Lv,
 				}
 			} else {
-				redrecord.Formt[i] = nil
+				buleRecord.Formt[i] = nil
 			}
 		}
 		rival.Record = append(rival.Record, buleRecord)