diff --git a/src/service/login.go b/src/service/login.go
index 9bce655b91c040e769c69e5948e21d05dbda761c..19ae65d2f6df0d798f82188fab7ec37c88b6a37e 100644
--- a/src/service/login.go
+++ b/src/service/login.go
@@ -56,7 +56,7 @@ func (u *UserSvc) Login() (msg string, uuidStr string, last_login string, err er
 	if err != nil {
 		return "", "", "", resp.RedisConnectError.WithError(err)
 	}
-	lockKey := fmt.Sprintf("so-operation-user-lock-%s", userInfo.Id)
+	lockKey := fmt.Sprintf("so-operation-user-lock-%v", userInfo.Id)
 	haslock, err := redisCli.Get(lockKey)
 
 	if err != nil && err != redis.Nil {