diff --git a/BBWY.Server.Business/PurchaseOrderV2/BatchPurchase/BatchPurchaseBusiness.cs b/BBWY.Server.Business/PurchaseOrderV2/BatchPurchase/BatchPurchaseBusiness.cs
index e0ff81d5..24387339 100644
--- a/BBWY.Server.Business/PurchaseOrderV2/BatchPurchase/BatchPurchaseBusiness.cs
+++ b/BBWY.Server.Business/PurchaseOrderV2/BatchPurchase/BatchPurchaseBusiness.cs
@@ -145,6 +145,9 @@ namespace BBWY.Server.Business
                     var purchasePlatform = productParamList.FirstOrDefault().PurchasePlatform;
                     var purchaseAccount = request.PurchaseAccountList.FirstOrDefault(pa => pa.PurchasePlatformId == purchasePlatform);
 
+                    if (purchaseAccount == null)
+                        throw new BusinessException($"缺少{purchasePlatform}平台的采购账号");
+
                     var platformSDKBusiness = platformSDKBusinessList.FirstOrDefault(p => p.Platform == purchasePlatform);
                     var previewOrderResponse = platformSDKBusiness.PreviewOrder(new PreviewOrderReuqest()
                     {