diff --git a/app/admin/apis/purchasemanage/purchase.go b/app/admin/apis/purchasemanage/purchase.go
index 4ec67eb..cbb10b5 100644
--- a/app/admin/apis/purchasemanage/purchase.go
+++ b/app/admin/apis/purchasemanage/purchase.go
@@ -50,6 +50,18 @@ func ErpPurchaseCreate(c *gin.Context) {
 		return
 	}
 
+	// 如果是采购退货，则门店改为采购退货单的门店ID
+	if req.PurchaseType == model.ErpRejectOrder && req.PurchaseOrderSn != "" {
+		var erpPurchaseOrder model.ErpPurchaseOrder
+		err = orm.Eloquent.Table("erp_purchase_order").Where("serial_number=?", req.PurchaseOrderSn).Find(&erpPurchaseOrder).Error
+		if err != nil {
+			app.Error(c, http.StatusInternalServerError, err, "新增失败:"+err.Error())
+			return
+		}
+
+		req.StoreId = erpPurchaseOrder.StoreId
+	}
+
 	// 校验入参门店是否包含在用户所有门店中，是否过期
 	if !(tools.GetRoleName(c) == "admin" || tools.GetRoleName(c) == "系统管理员") {
 		if !model.CheckUserStore(req.StoreId, sysUser) {