diff --git a/core/candle.go b/core/candle.go
index 931670b..558bc51 100644
--- a/core/candle.go
+++ b/core/candle.go
@@ -280,7 +280,7 @@ func (core *Core) SaveUniKey(period string, keyName string, extt time.Duration,
 	refName := keyName + "|refer"
 	refRes, err := core.RedisCli.GetSet(refName, 1).Result()
 	core.RedisCli.Expire(refName, extt)
-	if len(refRes) != 0 || err == nil {
+	if len(refRes) != 0 {
 		fmt.Println("refName exist: ", refName)
 		return
 	}
diff --git a/tunas b/tunas
index 4130dab..251a57c 100755
Binary files a/tunas and b/tunas differ