排查saveUniKey问题

core/candle.go

@@ -269,7 +269,7 @@ 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 || err == nil {
 		return
 	}
 	cl.ToStruct(core)