diff --git a/modules/viking/model_rank.go b/modules/viking/model_rank.go
index a3436a726..3b8f482d9 100644
--- a/modules/viking/model_rank.go
+++ b/modules/viking/model_rank.go
@@ -137,6 +137,9 @@ func (this *ModelRank) CheckRank(uid string, boosID int32, difficulty int32, lin
 		}
 		update := make(map[string]interface{}, 0)
 		update["uinfo"] = record.Uinfo
+		if record.Data == nil {
+			record.Data = make(map[int32]*pb.ScoreData)
+		}
 		if _, ok := record.Data[boosID]; !ok {
 			record.Data[boosID] = &pb.ScoreData{
 				Costime:  map[int32]int32{},