From af3731797d3f14bb6fd241449387a09b8537a674 Mon Sep 17 00:00:00 2001
From: Cbdlll <wujiangu0@163.com>
Date: Tue, 19 May 2026 22:18:56 +0800
Subject: [PATCH] fix Redemption Code Race Condition

---
 model/redemption.go | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/model/redemption.go b/model/redemption.go
index 957a33be28..68e3c83a6a 100644
--- a/model/redemption.go
+++ b/model/redemption.go
@@ -6,6 +6,7 @@ import (
 	"fmt"
 
 	"gorm.io/gorm"
+	"gorm.io/gorm/clause"
 
 	"github.com/songquanpeng/one-api/common"
 	"github.com/songquanpeng/one-api/common/helper"
@@ -66,7 +67,7 @@ func Redeem(ctx context.Context, key string, userId int) (quota int64, err error
 	}
 
 	err = DB.Transaction(func(tx *gorm.DB) error {
-		err := tx.Set("gorm:query_option", "FOR UPDATE").Where(keyCol+" = ?", key).First(redemption).Error
+		err := tx.Clauses(clause.Locking{Strength: "UPDATE"}).Where(keyCol+" = ?", key).First(redemption).Error
 		if err != nil {
 			return errors.New("无效的兑换码")
 		}