diff --git a/BBWYB.Server.Business/PurchaseOrder/PurchaseOrderBusiness.cs b/BBWYB.Server.Business/PurchaseOrder/PurchaseOrderBusiness.cs
index 61ab09f..f979837 100644
--- a/BBWYB.Server.Business/PurchaseOrder/PurchaseOrderBusiness.cs
+++ b/BBWYB.Server.Business/PurchaseOrder/PurchaseOrderBusiness.cs
@@ -1,23 +1,21 @@
 using BBWYB.Common.Http;
 using BBWYB.Common.Log;
 using BBWYB.Common.Models;
+using BBWYB.Server.Business.Extensions;
 using BBWYB.Server.Model;
 using BBWYB.Server.Model.Db;
+using BBWYB.Server.Model.Db.Mds;
 using BBWYB.Server.Model.Db.MDS;
 using BBWYB.Server.Model.Dto;
 using FreeSql;
+using Microsoft.Extensions.DependencyInjection;
 using Newtonsoft.Json;
 using Newtonsoft.Json.Linq;
 using SDKAdapter;
-using SDKAdapter.OperationPlatform.Models;
 using SDKAdapter.PurchasePlatform.Client;
 using SDKAdapter.PurchasePlatform.Models;
 using System.Text;
 using Yitter.IdGenerator;
-using BBWYB.Server.Business.Extensions;
-using Microsoft.Extensions.DependencyInjection;
-using BBWYB.Server.Model.Db.Mds;
-using static BBWYB.Server.Model.Enums;
 
 namespace BBWYB.Server.Business
 {
@@ -825,6 +823,64 @@ namespace BBWYB.Server.Business
             });
         }
 
+        /// <summary>
+        /// 预览关联订单信息
+        /// </summary>
+        /// <param name="request"></param>
+        public void PreviewAssocationPurchaseOrder(AssocationPurchaseOrderPreviewRequest request)
+        {
+            var client = ppPlatformClientFactory.GetClient((AdapterEnums.PlatformType)request.PurchasePlatform);
+            var purchaseOrderSimpleInfo = client.QueryOrderDetail(new PP_QueryOrderDetailRequest()
+            {
+                AppKey = request.PurchaseAccount.AppKey,
+                AppSecret = request.PurchaseAccount.AppSecret,
+                AppToken = request.PurchaseAccount.AppToken,
+                OrderId = request.PurchaseOrderId
+            });
+
+            #region 处理采购商Id
+            var purchaserId = purchaseOrderSimpleInfo.PurchaserId;
+            if (string.IsNullOrEmpty(purchaserId))
+                throw new BusinessException($"采购单{request.PurchaseOrderId}缺少采购商Id");
+            purchaserId = purchaserId.Replace("b2b-", string.Empty);
+            var purchaserId2 = purchaserId.Substring(0, purchaserId.Length - 5);
+            var purchaserIds = new List<string>() { purchaserId, purchaserId2 };
+            var dbPurchaser = fsql.Select<Purchaser>().Where(p => p.Platform == Enums.Platform.阿里巴巴 && purchaserIds.Contains(p.Id)).ToOne();
+            if (dbPurchaser == null)
+                throw new BusinessException($"采购单{request.PurchaseOrderId}缺少有效采购商");
+            purchaserId = dbPurchaser.Id;
+            #endregion
+
+            #region 查询订单Sku
+            var orderSkuList = fsql.Select<OrderSku>().Where(osku => osku.OrderId == request.OrderId).ToList();
+            if (orderSkuList.Count() == 0)
+                throw new BusinessException("缺少订单sku信息");
+            #endregion
+
+            #region 匹配采购方案
+            var skuIds = orderSkuList.Select(osku => osku.SkuId).ToList();
+            var purchaseSchemeSkuList = fsql.Select<Purchaser, PurchaseScheme, PurchaseSchemeProductSku>()
+                                            .InnerJoin((p, ps, pss) => p.Id == ps.PurchaserId)
+                                            .InnerJoin((p, ps, pss) => ps.Id == pss.SkuPurchaseSchemeId)
+                                            .Where((p, ps, pss) => p.Id == purchaserId)
+                                            .Where((p, ps, pss) => ps.PurchasePlatform == Enums.Platform.阿里巴巴)
+                                            .Where((p, ps, pss) => skuIds.Contains(pss.SkuId))
+                                            .ToList((p, ps, pss) => new
+                                            {
+                                                pss.Id,
+                                                pss.SkuId,
+                                                pss.ProductId,
+                                                pss.PurchaseProductId,
+                                                pss.PurchaseSkuId,
+                                                pss.PurchaseSkuSpecId,
+                                                pss.SkuPurchaseSchemeId
+                                            });
+            if (purchaseSchemeSkuList.Count() == 0)
+                throw new BusinessException($"采购单{request.PurchaseOrderId} 采购商Id{purchaserId} 未匹配到采购方案");
+            #endregion
+
+        }
+
         /// <summary>
         /// 设置历史采购单
         /// </summary>
diff --git a/BBWYB.Server.Model/Dto/Request/PurchaseOrder/AssocationPurchaseOrderPreviewRequest.cs b/BBWYB.Server.Model/Dto/Request/PurchaseOrder/AssocationPurchaseOrderPreviewRequest.cs
index 8d38887..d8bb8dc 100644
--- a/BBWYB.Server.Model/Dto/Request/PurchaseOrder/AssocationPurchaseOrderPreviewRequest.cs
+++ b/BBWYB.Server.Model/Dto/Request/PurchaseOrder/AssocationPurchaseOrderPreviewRequest.cs
@@ -10,5 +10,7 @@
         public string PurchaseOrderId { get; set; }
 
         public PurchaseAccountRequest PurchaseAccount { get; set; }
+
+        public Enums.Platform PurchasePlatform { get; set; }
     }
 }