diff --git a/app/main/api/internal/logic/pay/paymentlogic.go b/app/main/api/internal/logic/pay/paymentlogic.go
index 74c96b6..1377d07 100644
--- a/app/main/api/internal/logic/pay/paymentlogic.go
+++ b/app/main/api/internal/logic/pay/paymentlogic.go
@@ -62,6 +62,7 @@ func (l *PaymentLogic) Payment(req *types.PaymentReq) (resp *types.PaymentResp,
 	orderReq := &service.CreateOrderRequest{
 		PayMethod: payMethod,
 		ProductEn: data.Product,
+		OrderNo:   outTradeNo,
 	}
 
 	orderResp, err := l.svcCtx.PayService.CreateOrder(l.ctx, orderReq)
diff --git a/app/main/api/internal/service/payService.go b/app/main/api/internal/service/payService.go
index 59f5611..e0f2572 100644
--- a/app/main/api/internal/service/payService.go
+++ b/app/main/api/internal/service/payService.go
@@ -116,7 +116,7 @@ func (p *PayService) CreateOrder(ctx context.Context, req *CreateOrderRequest) (
 	if err != nil {
 		return nil, fmt.Errorf("获取用户失败: %v", err)
 	}
-	var outTradeNo string
+	outTradeNo := req.OrderNo
 	var orderID int64
 	amount := product.SellPrice
 	if user.Inside == 1 {
@@ -129,15 +129,15 @@ func (p *PayService) CreateOrder(ctx context.Context, req *CreateOrderRequest) (
 		switch req.PayMethod {
 		case "alipay":
 			orderReq := &payment.AlipayCreateOrderRequest{
-				Amount:   amount,
-				Subject:  product.ProductName,
-				Platform: payment.PlatformH5,
+				Amount:     amount,
+				Subject:    product.ProductName,
+				Platform:   payment.PlatformH5,
+				OutTradeNo: outTradeNo,
 			}
 			resp, err := p.alipayService.CreateOrder(ctx, orderReq)
 			if err != nil {
 				return fmt.Errorf("创建支付宝订单失败: %v", err)
 			}
-			outTradeNo = resp.OrderNo
 			payData = resp.PayParams
 		case "wechat":
 			orderReq := &payment.Order{
@@ -465,6 +465,7 @@ const (
 type CreateOrderRequest struct {
 	PayMethod PayMethod `json:"pay_method"` // 支付方式：alipay, wechat, apple
 	ProductEn string    `json:"product_en"` // 商品英文名
+	OrderNo   string    `json:"order_no"`   // 订单号
 }
 
 type CreateOrderResponse struct {