diff --git a/BBWY.Server.Model/Db/PurchaseScheme/PurchaseSchemeProduct.cs b/BBWY.Server.Model/Db/PurchaseScheme/PurchaseSchemeProduct.cs
index f26a8fd9..c73d689c 100644
--- a/BBWY.Server.Model/Db/PurchaseScheme/PurchaseSchemeProduct.cs
+++ b/BBWY.Server.Model/Db/PurchaseScheme/PurchaseSchemeProduct.cs
@@ -33,7 +33,7 @@ namespace BBWY.Server.Model.Db
         /// <summary>
         /// 采购商品链接
         /// </summary>
-        [Column(StringLength = 50)]
+        [Column(StringLength = 100)]
         public string PurchaseUrl { get; set; }
 
         [Column(StringLength = 50, IsNullable = false)]