f

app/main/api/internal/queue/paySuccessNotify.go

@@ -266,8 +266,12 @@ func (l *PaySuccessNotifyUserHandler) handleError(ctx context.Context, err error
 			logx.Infof("已发起微信退款申请, orderID: %d, amount: %f", order.Id, order.Amount)
 			return asynq.SkipRetry
 		} else {
-			// 支付宝退款为同步结果，这里直接根据返回结果更新订单和佣金/钱包
-			refund, refundErr := l.svcCtx.AlipayService.AliRefund(ctx, order.OrderNo, order.Amount)
+			// 支付宝退款为同步结果，2026-02-02 18:26 前的订单走 bak 商户号
+			orderPayTime := &order.CreateTime
+			if order.PayTime.Valid {
+				orderPayTime = &order.PayTime.Time
+			}
+			refund, refundErr := l.svcCtx.AlipayService.AliRefund(ctx, order.OrderNo, order.Amount, orderPayTime)
 			if refundErr != nil {
 				logx.Error(refundErr)
 				return asynq.SkipRetry