错误提示有问题

pkg/alipay/wap.go

@@ -2,12 +2,12 @@ package alipay
 
 import (
 	"context"
-	"fmt"
 	"time"
 
 	"github.com/smartwalle/alipay/v3"
 
 	"github.com/break/junhong_cmp_fiber/internal/model"
+	apperrors "github.com/break/junhong_cmp_fiber/pkg/errors"
 )
 
 // BuildWapPayURL 生成支付宝手机网站支付 URL。
@@ -40,7 +40,7 @@ func BuildWapPayURL(ctx context.Context, cfg *model.WechatConfig, payment *model
 
 	payURL, err := client.TradeWapPay(param)
 	if err != nil {
-		return "", fmt.Errorf("生成支付宝 WAP 支付链接失败: %w", err)
+		return "", apperrors.Wrap(apperrors.CodeNoPaymentConfig, err, "支付宝配置不可用：生成支付链接失败")
 	}
 
 	return payURL.String(), nil