diff --git a/modules/arena/modelrank.go b/modules/arena/modelrank.go
index 99795152d..f92ee6f1f 100644
--- a/modules/arena/modelrank.go
+++ b/modules/arena/modelrank.go
@@ -76,7 +76,7 @@ func (this *modelRank) queryRankUser() (ranks []string, err error) {
 		return
 	}
 	ranks = make([]string, 0)
-	for i := 0; i < len(result); i += 2 {
+	for i := 0; i < len(result); i += 1 {
 		ranks = append(ranks, result[i])
 	}
 	return