diff --git a/Src/Asp.Net/SqlServerTest/SqlServerTest.csproj b/Src/Asp.Net/SqlServerTest/SqlServerTest.csproj
index 2c7057b24..e8fab764d 100644
--- a/Src/Asp.Net/SqlServerTest/SqlServerTest.csproj
+++ b/Src/Asp.Net/SqlServerTest/SqlServerTest.csproj
@@ -96,6 +96,7 @@
     <Compile Include="Models\OrderItem.cs" />
     <Compile Include="Demo\Demo0_SqlSugarClient.cs" />
     <Compile Include="Models\ViewOrder.cs" />
+    <Compile Include="UnitTest\UCustom024.cs" />
     <Compile Include="UnitTest\UCustomNavigate01.cs" />
     <Compile Include="UnitTest\Models\DSPersonScheduleModel.cs" />
     <Compile Include="UnitTest\Models\PersonScheduleParam.cs" />
diff --git a/Src/Asp.Net/SqlServerTest/UnitTest/UCustom024.cs b/Src/Asp.Net/SqlServerTest/UnitTest/UCustom024.cs
new file mode 100644
index 000000000..53094e9e0
--- /dev/null
+++ b/Src/Asp.Net/SqlServerTest/UnitTest/UCustom024.cs
@@ -0,0 +1,35 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace OrmTest
+{
+    public class UCustom024
+    {
+        public static void Init() 
+        {
+            var db = NewUnitTest.Db;
+            var data=db.EntityMaintenance.GetEntityInfoNoCache(typeof(UnitNewP));
+            db.CodeFirst.InitTables<UnitNewP>();
+            db.Insertable(new UnitNewP() { Id = Guid.NewGuid() }).ExecuteCommand();
+            var list=db.Queryable<UnitNewP>().Take(2).ToList();
+            db.Updateable(list).ExecuteCommand();
+            db.Deleteable(list).ExecuteCommand();
+        }
+       
+    }
+
+    public class UnitNewP: UnitBaseP
+    {
+        [SqlSugar.SugarColumn(IsPrimaryKey =true)]
+        public new Guid Id { get; set; }
+        [SqlSugar.SugarColumn(IsNullable =true)]
+        public string Name { get; set; }    
+    }
+    public class UnitBaseP 
+    {
+        public int Id { get; set; }
+    }
+}