diff --git a/erp/purchase.go b/erp/purchase.go
index b59bd07..38cba78 100644
--- a/erp/purchase.go
+++ b/erp/purchase.go
@@ -80,7 +80,7 @@ type PurchaseProduct struct {
 	CurrencySymbol string                 // 币种符号
 	CurrencyRate   decimal.Decimal        // 币种汇率
 	MeasureUnit    string                 // 数量单位
-	Batch          []PurchaseProductBatch // 产品批次
+	Batches        []PurchaseProductBatch // 产品批次
 }
 type PurchaseProductBatch struct {
 	BatchNo int64 `binding:"required" label:"批次号"`
@@ -146,6 +146,7 @@ func (p *purchase) Info(ctx context.Context, purchaseId int64) (reply ReplyPurch
 type ArgsPurchaseEdit struct {
 	PurchaseId      int64            // 采购合同id
 	PoSerial        string           // PoSerial
+	BatchNo         int64            // 批次号
 	Remark          string           // 备注
 	OrderDate       *time.Time       // 下单日期
 	FactoryAddress  string           // 工厂地址
@@ -235,3 +236,23 @@ func (p *purchase) CancelAudit(ctx context.Context, purchaseId int64) (err error
 	err = xClient.Call(ctx, "CancelAudit", purchaseId, &reply)
 	return
 }
+
+type ArgsPurchaseBatch struct {
+	PurchaseId int64 // 采购合同id
+	FactoryId  int64 // 采购工厂id
+}
+type PurchaseBatchItem struct {
+	PurchaseId int64 `json:"purchaseId"`
+	BatchNo    int64 `json:"batchNo"`
+	HasEdit    bool  `json:"hasEdit"`
+}
+
+// Batch @TITLE 批次数据
+func (p *purchase) Batch(ctx context.Context, args ArgsPurchaseBatch) (reply []PurchaseBatchItem, err error) {
+	xClient, err := client.GetClient(p)
+	if err != nil {
+		return
+	}
+	err = xClient.Call(ctx, "Batch", args, &reply)
+	return
+}
diff --git a/erp/purchase/product.go b/erp/purchase/product.go
index 2087d0d..ad216fb 100644
--- a/erp/purchase/product.go
+++ b/erp/purchase/product.go
@@ -142,3 +142,23 @@ func (p *product) ListAccounting(ctx context.Context, args ArgsListAccounting) (
 	err = xClient.Call(ctx, "ListAccounting", args, &reply)
 	return
 }
+
+type ProductBatchCountItem struct {
+	PurchaseProductId int64              `json:"purchaseProductId"`
+	SaleCount         int64              `json:"saleCount"`
+	Batches           []ProductBatchItem `json:"batch"`
+}
+type ProductBatchItem struct {
+	BatchNo       int64 `json:"batchNo"`
+	PurchaseCount int64 `json:"purchaseCount"`
+}
+
+// BatchCount @TITLE 批次数量
+func (p *product) BatchCount(ctx context.Context, purchaseProductIds []int64) (reply []ProductBatchCountItem, err error) {
+	xClient, err := client.GetClient(p)
+	if err != nil {
+		return
+	}
+	err = xClient.Call(ctx, "BatchCount", purchaseProductIds, &reply)
+	return
+}