diff --git a/spider/controller.go b/spider/controller.go
index e3f0dea..2d8d5e4 100644
--- a/spider/controller.go
+++ b/spider/controller.go
@@ -269,6 +269,13 @@ func (c *Controller) saveProducts(articles []v2.Article) {
 }
 
 func (c *Controller) FetchArticleDetail(ctx context.Context, pid string) error {
+	old, err := c.storage.ProviderArticle().Get(storage.NewGetProviderArticleQuery().SetProviderId(c.providerId).SetPid(pid))
+	if err == nil {
+		return fmt.Errorf("该商品已经存在")
+	}
+	if !errors.As(err, &gorm.ErrRecordNotFound) {
+		return err
+	}
 	resp, err := c.client.RequestProductDetail(ctx, pid)
 	if err != nil {
 		return fmt.Errorf("请求商品信息失败: %v", err)
@@ -279,18 +286,25 @@ func (c *Controller) FetchArticleDetail(ctx context.Context, pid string) error {
 		EnglishName: resp.Name,
 		Pid:         resp.Id,
 		Brand:       v2.Brand_Coach,
-		Providers: []v2.ProviderArticle{
-			{
-				ProviderId: c.providerId,
-				Brand:      v2.Brand_Coach,
-				Pid:        pid,
-				SkuID:      pid,
-				Available:  resp.Inventory.Orderable,
-				Ast:        resp.Inventory.Ats,
-				Link:       fmt.Sprintf("%s/%s", "https://www.coachoutlet.com", resp.Url),
-			},
-		},
 	}
+	pArticle := v2.ProviderArticle{
+		ProviderId: c.providerId,
+		Brand:      v2.Brand_Coach,
+		Pid:        pid,
+		SkuID:      pid,
+		Available:  resp.Inventory.Orderable,
+		Ast:        resp.Inventory.Ats,
+		Link:       fmt.Sprintf("%s/%s", "https://www.coachoutlet.com", resp.Url),
+		Cost: utils.CalculateProviderPrice(
+			append(c.provider.CalculateProcess, old.CalculateProcess...),
+			map[string]float64{
+				"originalPrice": resp.Prices.CurrentPrice,
+				"freight":       c.provider.Config.Freight,
+				"exchangeRate":  c.provider.Config.ExchangeRate,
+			}),
+	}
+	pArticle.HistoryPrice = append(pArticle.HistoryPrice, pArticle.Cost)
+	article.Providers = append(article.Providers, pArticle)
 	if len(resp.ImageGroups) > 0 {
 		article.Image = resp.ImageGroups[0].Images[0].Src
 	}
@@ -298,7 +312,7 @@ func (c *Controller) FetchArticleDetail(ctx context.Context, pid string) error {
 	return nil
 }
 
-func (c *Controller)FetchArticleAts(ctx context.Context, pid string) error {
+func (c *Controller) FetchArticleAts(ctx context.Context, pid string) error {
 	pArticle, err := c.storage.ProviderArticle().Get(storage.NewGetProviderArticleQuery().SetProviderId(c.providerId).SetPid(pid))
 	if err != nil {
 		return fmt.Errorf("获取商品信息失败: %v", err)