diff --git a/erp/purchase.go b/erp/purchase.go
index d4ea712..a63b8df 100644
--- a/erp/purchase.go
+++ b/erp/purchase.go
@@ -258,12 +258,13 @@ func (p *purchase) FactoryBatch(ctx context.Context, args ArgsPurchaseFactoryBat
 }
 
 type PurchaseAssociationItem struct {
-	Id         int64  `json:"id"`
-	FactoryId  int64  `json:"factoryId"`
-	SaleId     int64  `json:"saleId"`
-	PoSerial   string `json:"poSerial"`
-	BatchNo    int64  `json:"batchNo"`
-	WorkflowId int64  `json:"workflowId"`
+	Id          int64  `json:"id"`
+	FactoryId   int64  `json:"factoryId"`
+	SaleId      int64  `json:"saleId"`
+	PoSerial    string `json:"poSerial"`
+	BatchNo     int64  `json:"batchNo"`
+	WorkflowId  int64  `json:"workflowId"`
+	FactoryName string `json:"factoryName"`
 }
 
 // Association @TITLE 关联采购合同