diff --git a/Src/Asp.Net/SqlServerTest/Demo/DemoE_CodeFirst.cs b/Src/Asp.Net/SqlServerTest/Demo/DemoE_CodeFirst.cs
index faba5e1d8..5d9536c49 100644
--- a/Src/Asp.Net/SqlServerTest/Demo/DemoE_CodeFirst.cs
+++ b/Src/Asp.Net/SqlServerTest/Demo/DemoE_CodeFirst.cs
@@ -35,8 +35,25 @@ namespace OrmTest
             db.CodeFirst.As<UnituLong>("UnituLong0011").InitTables<UnituLong>();
             Console.WriteLine("#### CodeFirst end ####");
             db.CodeFirst.InitTables<Unituadfasf1>();
+            db.CodeFirst.InitTables<CodeFirstTable111>();
+            db.Queryable<CodeFirstTable111>()
+                .Select(it => new CodeFirstTable111()
+                {
+                    Name = it.CreateTime.HasValue ? it.CreateTime.Value.ToString("yyyy-MM-dd") : string.Empty
+                }).ToList();
+            Console.WriteLine("#### CodeFirst end ####");
         }
     }
+    public class CodeFirstTable111
+    {
+        [SugarColumn(IsIdentity = true, IsPrimaryKey = true)]
+        public int Id { get; set; }
+        public string Name { get; set; }
+        [SugarColumn(ColumnDataType = "Nvarchar(255)")]//custom
+        public string Text { get; set; }
+        [SugarColumn(IsNullable = true)]
+        public DateTime? CreateTime { get; set; }
+    }
     [SugarIndex("IndexUnituadfasf1_longx{include:name,id}", nameof(longx), OrderByType.Asc)]
     public class Unituadfasf1
     {