diff --git a/Src/Asp.NetCore2/QuestDbTest/Demo/Demo1_Queryable.cs b/Src/Asp.NetCore2/QuestDbTest/Demo/Demo1_Queryable.cs
index 064f3a40b..2e6371697 100644
--- a/Src/Asp.NetCore2/QuestDbTest/Demo/Demo1_Queryable.cs
+++ b/Src/Asp.NetCore2/QuestDbTest/Demo/Demo1_Queryable.cs
@@ -63,7 +63,7 @@ namespace OrmTest
             }
  
            var list = new List<Users>();
-            for (var i = 0; i < 100000; i++)
+            for (var i = 0; i < 100; i++)
             {
 
                 list.Add(new Users
diff --git a/Src/Asp.NetCore2/QuestDbTest/Demo/DemoE_CodeFirst.cs b/Src/Asp.NetCore2/QuestDbTest/Demo/DemoE_CodeFirst.cs
index db05be134..4f656eddb 100644
--- a/Src/Asp.NetCore2/QuestDbTest/Demo/DemoE_CodeFirst.cs
+++ b/Src/Asp.NetCore2/QuestDbTest/Demo/DemoE_CodeFirst.cs
@@ -19,22 +19,34 @@ namespace OrmTest
                 InitKeyType = InitKeyType.Attribute,
                 IsAutoCloseConnection = true
             });
-            db.DbMaintenance.CreateDatabase(); 
+            db.DbMaintenance.CreateDatabase();
             db.CodeFirst.InitTables(typeof(CodeFirstTable1));//Create CodeFirstTable1 
-            db.Insertable(new CodeFirstTable1() { Name = "a", Text="a" }).ExecuteCommand();
+            db.Insertable(new CodeFirstTable1() { Name = "a", Text = "a" }).ExecuteCommand();
             var list = db.Queryable<CodeFirstTable1>().ToList();
             db.CodeFirst.InitTables<IndexClass>();
+            db.CodeFirst.InitTables<SplitTableEntity>();
             Console.WriteLine("#### CodeFirst end ####");
         }
     }
 
-    [SugarIndex(null,nameof(IndexClass.Name),OrderByType.Asc)]
-    public class IndexClass 
+    [SugarIndex(null, nameof(IndexClass.Name), OrderByType.Asc)]
+    public class IndexClass
     {
         public int Id { get; set; }
-        [SugarColumn(ColumnDataType ="symbol")]
+        [SugarColumn(ColumnDataType = "symbol")]
         public string Name { get; set; }
     }
+
+
+
+    public class SplitTableEntity
+    {
+        public string Id { get; set; }
+        [TimeDbSplitField(DateType.Day)]
+        public DateTime Ts { get; set; }
+    }
+
+
     public class CodeFirstTable1
     {
         [SugarColumn(IsIdentity = true, IsPrimaryKey = true)]
diff --git a/Src/Asp.NetCore2/QuestDbTest/Demo/DemoN_SplitTable.cs b/Src/Asp.NetCore2/QuestDbTest/Demo/DemoN_SplitTable.cs
deleted file mode 100644
index c69851a5b..000000000
--- a/Src/Asp.NetCore2/QuestDbTest/Demo/DemoN_SplitTable.cs
+++ /dev/null
@@ -1,96 +0,0 @@
-using SqlSugar;
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-
-namespace OrmTest 
-{
-    public class DemoN_SplitTable
-    {
-        public static void Init()
-        {
-            Console.WriteLine("");
-            Console.WriteLine("#### DemoN_SplitTable Start ####");
-            SqlSugarClient db = new SqlSugarClient(new ConnectionConfig()
-            {
-                DbType = DbType.QuestDB,
-                ConnectionString = Config.ConnectionString,
-                InitKeyType = InitKeyType.Attribute,
-                IsAutoCloseConnection = true
-            });
-            db.Aop.OnLogExecuted = (s, p) =>
-            {
-                Console.WriteLine(s);
-            };
-
-            //初始化分表
-            db.CodeFirst.SplitTables().InitTables<OrderSpliteTest>();
-
-            Console.WriteLine();
-
-            //根据最近3个表进行查询
-            var list=db.Queryable<OrderSpliteTest>().Where(it=>it.Pk==Guid.NewGuid())
-                .SplitTable(tabs => tabs.Take(3))
-                .Where(it=>it.Time==DateTime.Now).ToOffsetPage(1,2);
-
-
-            var first = db.Queryable<OrderSpliteTest>()
-          .SplitTable(DateTime.MaxValue, DateTime.Now)
-          .First();//no table
-
-
-            Console.WriteLine();
-
-            //根据时间选出的表进行查询
-            var list2 = db.Queryable<OrderSpliteTest>().SplitTable(tabs => tabs.Where(it=> it.Date>=DateTime.Now.AddYears(-2))).ToList();
-
-            Console.WriteLine();
-
-            //删除数据只在最近3张表执行操作
-            var x = db.Deleteable<OrderSpliteTest>().Where(it=>it.Pk==Guid.NewGuid()).SplitTable(tabs => tabs.Take(3)).ExecuteCommand();
-           
-            Console.WriteLine();
-
-            var tableName = db.SplitHelper<OrderSpliteTest>().GetTableName(DateTime.Now.AddDays(-1));
-            var tableName2 = db.SplitHelper(new OrderSpliteTest() {  Time=DateTime.Now}).GetTableNames();
-            var tableName3 = db.SplitHelper(new List<OrderSpliteTest> {
-              new OrderSpliteTest() { Time = DateTime.Now },
-              new OrderSpliteTest() { Time = DateTime.Now },
-              new OrderSpliteTest() { Time = DateTime.Now.AddMonths(-10) }
-            }).GetTableNames();
-            var x2 = db.Updateable<OrderSpliteTest>()
-                .SetColumns(it=>it.Name=="a")
-                .Where(it => it.Pk == Guid.NewGuid())
-                .SplitTable(tabs => tabs.InTableNames(tableName2))
-                .ExecuteCommand();
-
-            Console.WriteLine();
-
-            //按日分表 
-            var x3 = db.Insertable(new OrderSpliteTest() { Name="A" }).SplitTable().ExecuteCommand();
-
-            Console.WriteLine();
-            ////强制分表类型
-            var x4 = db.Insertable(new OrderSpliteTest() { Name = "A" ,Time=DateTime.Now.AddDays(-1) }).SplitTable().ExecuteCommand();
-
-
-            var tableName21 = db.SplitHelper<OrderSpliteTest>().GetTableName(DateTime.Now.AddDays(-111));
-            var listNull = db.Queryable<OrderSpliteTest>().SplitTable(ta => ta.InTableNames(tableName21)).ToList();
-            Console.WriteLine("#### CodeFirst end ####");
-        }
-
-        [SplitTable(SplitType.Day)]
-        [SqlSugar.SugarTable("Taxxx0101_{year}{month}{day}")]
-        public class OrderSpliteTest 
-        {
-            [SugarColumn(IsPrimaryKey =true)]
-            public  Guid  Pk{ get; set; }
-            public string Name { get; set; }
-            [SugarColumn(IsNullable =true)]
-            [SplitField]
-            public DateTime Time { get; set; }
-        }
-    }
-}