diff --git a/BBWYB.Server.Model/Db/PurchaseScheme/Purchaseschemeproductsku.cs b/BBWYB.Server.Model/Db/PurchaseScheme/Purchaseschemeproductsku.cs
index 4a9e837..af819ee 100644
--- a/BBWYB.Server.Model/Db/PurchaseScheme/Purchaseschemeproductsku.cs
+++ b/BBWYB.Server.Model/Db/PurchaseScheme/Purchaseschemeproductsku.cs
@@ -46,6 +46,12 @@ namespace BBWYB.Server.Model.Db
         /// </summary>
         public long SkuPurchaseSchemeId { get; set; }
 
+        /// <summary>
+        /// 采购比例
+        /// </summary>
+        [Column(DbType = "int(1)", IsNullable = true)]
+        public int? PurchaseRatio { get; set; }
+
     }
 
 }
diff --git a/BBWYB.Server.Model/Dto/Request/PurchaseScheme/EditPurchaseRatioRequest.cs b/BBWYB.Server.Model/Dto/Request/PurchaseScheme/EditPurchaseRatioRequest.cs
new file mode 100644
index 0000000..2e09843
--- /dev/null
+++ b/BBWYB.Server.Model/Dto/Request/PurchaseScheme/EditPurchaseRatioRequest.cs
@@ -0,0 +1,11 @@
+namespace BBWYB.Server.Model.Dto
+{
+    public class EditPurchaseRatioRequest
+    {
+        public long SchemeId { get; set; }
+
+        public string SkuId { get; set; } 
+
+        public string PurchaseSkuId { get; set; }
+    }
+}