优化结构

internal/data/payment/payment.go

@@ -271,16 +271,22 @@ func recordPaymentTestError(ctx context.Context, data Provider, provider, tradeN
 }
 
 func (r *paymentRepo) testRow(ctx context.Context, provider string) (map[string]any, error) {
-	var row dataintegration.ConfigPO
-	if err := r.data.DB().WithContext(ctx).Where("kind = ? AND provider = ?", integrationbiz.IntegrationKindPayment, provider).First(&row).Error; err != nil {
-		if errors.Is(err, gorm.ErrRecordNotFound) {
+	if r == nil || r.config == nil {
+		return nil, errors.New("支付配置仓储未接入")
+	}
+	config, err := r.config.ReadPaymentConfig(ctx, provider)
+	if err != nil {
+		if errors.Is(err, integrationbiz.ErrPaymentConfigNotFound) {
 			return nil, bizpayment.ErrPaymentProviderNotFound
 		}
 		return nil, err
 	}
+	if config == nil {
+		return nil, errors.New("支付配置为空")
+	}
 	values := map[string]any{}
-	if err := json.Unmarshal([]byte(row.Config), &values); err != nil {
-		return nil, fmt.Errorf("支付配置格式错误: %w", err)
+	if err := json.Unmarshal(config.Values, &values); err != nil || values == nil {
+		return nil, errors.New("支付配置格式错误")
 	}
 	return values, nil
 }