diff --git a/Infrastructure/WebExtensions/LogoExtension.cs b/Infrastructure/WebExtensions/LogoExtension.cs
index ca50a90..7fd312d 100644
--- a/Infrastructure/WebExtensions/LogoExtension.cs
+++ b/Infrastructure/WebExtensions/LogoExtension.cs
@@ -19,7 +19,7 @@ namespace Infrastructure
             var url = AppSettings.GetConfig("urls");
             Console.WriteLine(content);
             Console.ForegroundColor = ConsoleColor.Blue;
-            Console.WriteLine("@版权所有 苏州锐至奥信息技术有限公司  ");
+            //Console.WriteLine("@版权所有 苏州锐至奥信息技术有限公司  ");
             Console.WriteLine($"Swagger地址：{url}/swagger/index.html");
             Console.WriteLine($"初始化种子数据地址：{url}/common/InitSeedData");
 
diff --git a/MDM/Models/Material/Dto/MaterialBomDto.cs b/MDM/Models/Material/Dto/MaterialBomDto.cs
index 0ca55aa..f670b7d 100644
--- a/MDM/Models/Material/Dto/MaterialBomDto.cs
+++ b/MDM/Models/Material/Dto/MaterialBomDto.cs
@@ -30,13 +30,13 @@ namespace MDM.Model.Material.Dto
 
         public string Iusequantity { get; set; }
 
-        public string BOMVersion { get; set; }
+        public string? BOMVersion { get; set; }
 
-        public string CreatedBy { get; set; }
+        public string? CreatedBy { get; set; }
 
         public DateTime? CreatedTime { get; set; }
 
-        public string UpdatedBy { get; set; }
+        public string? UpdatedBy { get; set; }
 
         public DateTime? UpdatedTime { get; set; }