diff --git a/structs/storage/provider-article.go b/structs/storage/provider-article.go
index 61b124a..fcd20eb 100644
--- a/structs/storage/provider-article.go
+++ b/structs/storage/provider-article.go
@@ -10,6 +10,7 @@ import (
 type ProviderArticleApi interface {
 	Get(query *GetProviderArticleQuery) (article v2.ProviderArticle, err error)
 	Upsert(article v2.ProviderArticle) error
+	BatchUpdate(articles []v2.ProviderArticle) error
 	AutoMigrate() error
 	FindInBatches(query *GetProviderArticleQuery, results *[]v2.ProviderArticle, f func(tx *gorm.DB, batch int) error) error
 }
@@ -95,6 +96,11 @@ func (p *providerArticleApi) FindInBatches(query *GetProviderArticleQuery, resul
 	return err
 }
 
+// 批量更新，更新价格时用到
+func (p *providerArticleApi) BatchUpdate(articles []v2.ProviderArticle) error {
+	return p.db.Select("id", "cost").Save(&articles).Error
+}
+
 func (p *providerArticleApi) AutoMigrate() error {
 	return p.db.AutoMigrate(&v2.ProviderArticle{})
 }
diff --git a/structs/storage/provider-article_test.go b/structs/storage/provider-article_test.go
index 3efda68..9c1ff88 100644
--- a/structs/storage/provider-article_test.go
+++ b/structs/storage/provider-article_test.go
@@ -1,6 +1,7 @@
 package storage
 
 import (
+	"fmt"
 	"testing"
 
 	v2 "gitea.timerzz.com/kedaya_haitao/common/structs/v2"
@@ -39,8 +40,15 @@ func TestProviderArticleApi_FindInBatches(t *testing.T) {
 	}
 	storage := NewStorage(db)
 	var results = make([]v2.ProviderArticle, 0)
-	storage.ProviderArticle().FindInBatches(&GetProviderArticleQuery{ProviderId: "1"}, &results, func(tx *gorm.DB, batch int) error {
-		t.Log(results)
-		return nil
+	err = storage.ProviderArticle().FindInBatches(&GetProviderArticleQuery{ProviderId: "1"}, &results, func(tx *gorm.DB, batch int) error {
+		for idx := range results {
+			results[idx].Link = fmt.Sprintf("test_%d", idx)
+			results[idx].SkuID = fmt.Sprintf("sku_%d", idx)
+		}
+
+		return db.Select("id", "link").Save(&results).Error
 	})
+	if err != nil {
+		t.Fatal(err)
+	}
 }
diff --git a/structs/storage/seller-article.go b/structs/storage/seller-article.go
index aacb950..b16f84f 100644
--- a/structs/storage/seller-article.go
+++ b/structs/storage/seller-article.go
@@ -8,7 +8,7 @@ import (
 
 // SellerArticleApi 管理供应商商品的接口
 type SellerArticleApi interface {
-	Get(query *GetProviderArticleQuery) (article v2.ProviderArticle, err error)
+	Get(query *GetSellerArticleQuery) (article v2.SellerArticle, err error)
 	Upsert(article v2.SellerArticle) error
 	FindInBatches(query *GetSellerArticleQuery, results *[]v2.SellerArticle, f func(tx *gorm.DB, batch int) error) error
 	AutoMigrate() error
@@ -18,6 +18,10 @@ type sellerArticleApi struct {
 	db *gorm.DB
 }
 
+func NewSellerArticleApi(db *gorm.DB) SellerArticleApi {
+	return &sellerArticleApi{db: db}
+}
+
 type GetSellerArticleQuery struct {
 	ID       uint     `query:"id"`
 	Brand    v2.Brand `query:"brand"`
@@ -88,6 +92,11 @@ func (p *sellerArticleApi) FindInBatches(query *GetSellerArticleQuery, results *
 	return err
 }
 
+// 批量更新，更新价格时用到
+func (p *sellerArticleApi) BatchUpdate(articles []v2.SellerArticle) error {
+	return p.db.Select("id", "sell").Save(&articles).Error
+}
+
 func (p *sellerArticleApi) AutoMigrate() error {
 	return p.db.AutoMigrate(&v2.SellerArticle{})
 }
diff --git a/structs/storage/storage.go b/structs/storage/storage.go
index 53c31b6..5470b92 100644
--- a/structs/storage/storage.go
+++ b/structs/storage/storage.go
@@ -16,6 +16,7 @@ func NewStorage(db *gorm.DB) *Storage {
 		providerApi:        NewProviderApi(db),
 		providerArticleApi: NewProviderArticleApi(db),
 		sellerApi:          NewSellerApi(db),
+		sellerArticleApi:   NewSellerArticleApi(db),
 	}
 }
 
@@ -33,3 +34,7 @@ func (s *Storage) ProviderArticle() ProviderArticleApi {
 func (s *Storage) Seller() SellerApi {
 	return s.sellerApi
 }
+
+func (s *Storage) SellerArticle() SellerArticleApi {
+	return s.sellerArticleApi
+}