diff --git a/structs/storage/provider.go b/structs/storage/provider.go
index 793011b..34c1567 100644
--- a/structs/storage/provider.go
+++ b/structs/storage/provider.go
@@ -12,6 +12,7 @@ import (
 
 type ProviderApi interface {
 	Get(id uint) (provider v2.Provider, err error)
+	GetByProvider(providerId v2.ProviderId) (provider v2.Provider, err error)
 	List(query PageListQuery) (providers []v2.Provider, total int64, err error)
 	Create(provider v2.Provider) error
 	Update(provider v2.Provider) error
@@ -51,6 +52,11 @@ func (p *providerApi) Get(id uint) (provider v2.Provider, err error) {
 	return
 }
 
+func (p *providerApi) GetByProvider(providerId v2.ProviderId) (provider v2.Provider, err error) {
+	err = p.db.Where("provider_id = ?", providerId).Preload("CalculateProcess").First(&provider).Error
+	return
+}
+
 func (p *providerApi) List(query PageListQuery) (providers []v2.Provider, total int64, err error) {
 	err = p.db.Scopes(query.Scoper.Scope).Model(&v2.Provider{}).Count(&total).Error
 	if err != nil {
diff --git a/structs/storage/seller.go b/structs/storage/seller.go
index 1ba173c..0b95730 100644
--- a/structs/storage/seller.go
+++ b/structs/storage/seller.go
@@ -12,6 +12,7 @@ import (
 
 type SellerApi interface {
 	Get(id uint) (seller v2.Seller, err error)
+	GetBySellerId(sellerId v2.SellerId) (seller v2.Seller, err error)
 	List(query PageListQuery) (sellers []v2.Seller, total int64, err error)
 	Create(seller v2.Seller) error
 	Update(seller v2.Seller) error
@@ -51,6 +52,11 @@ func (p *sellerApi) Get(id uint) (seller v2.Seller, err error) {
 	return
 }
 
+func (p *sellerApi) GetBySellerId(sellerId v2.SellerId) (seller v2.Seller, err error) {
+	err = p.db.Where("seller_id = ?", sellerId).Preload("CalculateProcess").First(&seller).Error
+	return
+}
+
 func (p *sellerApi) List(query PageListQuery) (sellers []v2.Seller, total int64, err error) {
 	err = p.db.Scopes(query.Scoper.Scope).Model(&v2.Seller{}).Count(&total).Error
 	if err != nil {