diff --git a/Src/Asp.NetCore2/MySqlTest/Program.cs b/Src/Asp.NetCore2/MySqlTest/Program.cs
index 51699b23e..4cd80127e 100644
--- a/Src/Asp.NetCore2/MySqlTest/Program.cs
+++ b/Src/Asp.NetCore2/MySqlTest/Program.cs
@@ -22,7 +22,12 @@ namespace OrmTest
             _9_Update.Init();
             _a1_Delete.Init();
             _a2_Sql.Init();
-            _a3_Merge.Init();
+            _a3_Merge.Init(); 
+            _a4_SplitTable.Init();
+            _a5_GridSave.Init();
+            _a6_SqlPage.Init();
+            _a7_JsonType.Init();
+            _a8_SelectReturnType.Init();
         }
     }
 
diff --git a/Src/Asp.NetCore2/MySqlTest/a4_SplitTable.cs b/Src/Asp.NetCore2/MySqlTest/a4_SplitTable.cs
new file mode 100644
index 000000000..dca9e4542
--- /dev/null
+++ b/Src/Asp.NetCore2/MySqlTest/a4_SplitTable.cs
@@ -0,0 +1,66 @@
+using SqlSugar;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace OrmTest
+{
+    internal class _a4_SplitTable
+    {
+        // Method for initialization and testing of split tables
+        // 用于初始化和测试分表的方法
+        public static void Init()
+        {
+            // Obtain a new instance of SqlSugarClient
+            // 获取 SqlSugarClient 的新实例
+            SqlSugarClient db = DbHelper.GetNewDb();
+
+
+            // Entities change the synchronization table structure
+            // 实体变化同步表结构
+            db.CodeFirst.SplitTables().InitTables<SplitTableDemo>();
+
+            // Insert records into the split table and create table
+            // 向分表插入记录并创建表
+            db.Insertable(new SplitTableDemo() { Name = "jack", Time = DateTime.Now }).SplitTable().ExecuteCommand();
+            db.Insertable(new SplitTableDemo() { Name = "jack2", Time = DateTime.Now.AddDays(-11) }).SplitTable().ExecuteCommand();
+
+            // Query records from the split table within a specified date range
+            // 在指定日期范围内从分表查询记录
+            var list = db.Queryable<SplitTableDemo>()
+                .Where(it=>it.Name!=null)
+                .SplitTable(DateTime.Now.Date.AddYears(-1), DateTime.Now)
+                .ToList();
+
+            // Update records from the split table
+            // 从分表更新记录
+            var updateList = list.Take(2).ToList();
+            db.Updateable(updateList).SplitTable().ExecuteCommand();
+
+            // Delete records from the split table
+            // 从分表删除记录
+            db.Deleteable(updateList).SplitTable().ExecuteCommand();
+        }
+
+        // Entity class representing the split table
+        // 代表分表的实体类
+        [SplitTable(SplitType.Day)] // Specify the split type as "Day"
+        // 指定分表类型为“Day”
+        [SqlSugar.SugarTable("SplitTableDemo_{year}{month}{day}")] // Specify the table name pattern
+        // 指定表名模式
+        public class SplitTableDemo
+        {
+            [SugarColumn(IsPrimaryKey = true)] // Specify primary key
+            // 指定主键
+            public Guid Pk { get; set; }
+            public string Name { get; set; }
+
+            [SugarColumn(IsNullable = true)]
+            [SplitField] // Mark the field as a split field
+            // 将字段标记为分表字段
+            public DateTime Time { get; set; }
+        }
+    }
+}
\ No newline at end of file
diff --git a/Src/Asp.NetCore2/MySqlTest/a5_GridSave.cs b/Src/Asp.NetCore2/MySqlTest/a5_GridSave.cs
new file mode 100644
index 000000000..4ee26ac92
--- /dev/null
+++ b/Src/Asp.NetCore2/MySqlTest/a5_GridSave.cs
@@ -0,0 +1,81 @@
+using SqlSugar; 
+using System; 
+using System.Collections.Generic; 
+using System.Linq; 
+using System.Text; 
+using System.Threading.Tasks; 
+
+namespace OrmTest
+{
+    internal class _a5_GridSave
+    {
+        public static void Init()
+        {
+            // Get a new database connection
+            // 获取一个新的数据库连接
+            SqlSugarClient db = DbHelper.GetNewDb();
+
+            // Initialize tables using CodeFirst
+            // 使用 CodeFirst 初始化表
+            db.CodeFirst.InitTables<Student>();
+
+            // Clear table data
+            // 清空表数据
+            db.DbMaintenance.TruncateTable<Student>();
+
+            // Insert two student records
+            // 插入两条学生记录
+            db.Insertable(new List<Student>() {
+               new Student() {Name= "jack",CreateTime=DateTime.Now},
+               new Student() {Name= "tom",CreateTime=DateTime.Now}
+            }).ExecuteReturnIdentity();
+
+            // Query all student records
+            // 查询所有学生记录
+            List<Student> getAll = db.Queryable<Student>().ToList();
+
+
+             
+            // Enable entity tracking for the list 'getAll'
+            // 启用对列表 'getAll' 的实体跟踪
+            db.Tracking(getAll); 
+
+
+
+
+            // Remove the first record
+            // 移除第一条记录
+            getAll.RemoveAt(0);
+
+            // Modify the name of the last record
+            // 修改最后一条记录的姓名
+            getAll[getAll.Count - 1].Name += "_Update";
+
+            // Add a new record
+            // 添加新记录
+            getAll.Add(new Student { Name = "NewRecord" });
+
+
+
+
+
+            // Execute GridSave operation
+            // 执行 GridSave 操作
+            db.GridSave(getAll).ExecuteCommand();
+
+            // Query all students again
+            // 再次查询所有学生
+            var list = db.Queryable<Student>().ToList();
+        }
+
+        // Define the entity class 定义实体类
+        [SugarTable("SaveTable_a5")]
+        public class Student
+        {
+            [SugarColumn(IsPrimaryKey = true, IsIdentity = true)]
+            public int Id { get; set; }
+            public string Name { get; set; }
+            public DateTime CreateTime { get; set; }
+        }
+    }
+}
\ No newline at end of file
diff --git a/Src/Asp.NetCore2/MySqlTest/a6_SqlPage.cs b/Src/Asp.NetCore2/MySqlTest/a6_SqlPage.cs
new file mode 100644
index 000000000..47a67aaef
--- /dev/null
+++ b/Src/Asp.NetCore2/MySqlTest/a6_SqlPage.cs
@@ -0,0 +1,59 @@
+using SqlSugar;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Runtime.InteropServices.ComTypes;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace OrmTest
+{
+    internal class _a6_SqlPage
+    {
+        /// <summary>
+        /// <summary>
+        /// Initializes an example method for SQL paging operations.
+        /// 初始化 SQL 分页操作的示例方法。
+        /// </summary>
+        internal static void Init()
+        {
+            // Get a new database connection object
+            // 获取新的数据库连接对象
+            var db = DbHelper.GetNewDb();
+
+            // CodeFirst initializes the ClassA table
+            // CodeFirst 初始化 ClassA 表
+            db.CodeFirst.InitTables<ClassA>();
+            for (int i = 0; i < 16; i++)
+            {
+                db.Insertable(new ClassA() { Name = Guid.NewGuid().ToString("N") }).ExecuteCommand();
+            }
+
+
+            // Query data using paging and get the total count
+            // 使用分页查询数据，并获取总记录数
+            int count = 0; 
+            var list = db.SqlQueryable<ClassA>("select * from Table_a6").ToPageList(1, 5, ref count);
+
+             
+
+            // Asynchronously query data using paging and get the total count
+            // 使用异步方式分页查询数据，并获取总记录数
+            RefAsync<int> countAsync = 0;
+            var listAsync = db.SqlQueryable<ClassA>("select * from Table_a6").ToPageListAsync(1, 5, countAsync).GetAwaiter().GetResult();
+        }
+
+        /// <summary>
+        /// Example entity class.
+        /// 示例实体类。
+        /// </summary>
+        [SugarTable("Table_a6")]
+        public class ClassA
+        {
+            [SugarColumn(IsPrimaryKey = true, IsIdentity = true)]
+            public int Id { get; set; }
+
+            public string Name { get; set; }
+        }
+    }
+}
\ No newline at end of file
diff --git a/Src/Asp.NetCore2/MySqlTest/a7_JsonType.cs b/Src/Asp.NetCore2/MySqlTest/a7_JsonType.cs
new file mode 100644
index 000000000..86557e6e9
--- /dev/null
+++ b/Src/Asp.NetCore2/MySqlTest/a7_JsonType.cs
@@ -0,0 +1,71 @@
+using SqlSugar;
+using System;
+using System.Collections.Generic;
+
+namespace OrmTest
+{
+    internal class _a7_JsonType
+    {
+        /// <summary>
+        /// Demonstrates JSON operations with SqlSugar.
+        /// 展示了在 SqlSugar 中进行 JSON 操作的示例。
+        /// </summary>
+        internal static void Init()
+        {
+            // Get a new database connection object
+            // 获取一个新的数据库连接对象
+            var db = DbHelper.GetNewDb();
+
+            // Create table
+            // 创建表
+            db.CodeFirst.InitTables<UnitJsonTest>();
+
+            // Insert a record with a JSON property
+            // 插入一条包含 JSON 属性的记录
+            db.Insertable(new UnitJsonTest()
+            {
+                Name = "json1",
+                Order = new Order { Id = 1, Name = "order1" }
+            }).ExecuteCommand();
+
+            // Query all records from the table
+            // 查询表中的所有记录
+            var list = db.Queryable<UnitJsonTest>().ToList();
+
+            //Sqlfunc.JsonXXX
+            var list2=db.Queryable<UnitJsonTest>()
+                .Select(it => new
+                {
+                    id=it.Id,
+                    jsonname=SqlFunc.JsonField(it.Order,"Name")
+                })
+                .ToList();
+        }
+
+        /// <summary>
+        /// Represents a class with a JSON property.
+        /// 表示一个包含 JSON 属性的类。
+        /// </summary>
+        [SugarTable("UnitJsonTest_a7")]
+        public class UnitJsonTest
+        {
+            [SugarColumn(IsPrimaryKey = true, IsIdentity = true)]
+            public int Id { get; set; }
+
+            [SugarColumn(IsJson = true)]
+            public Order Order { get; set; }
+
+            public string Name { get; set; }
+        }
+
+        /// <summary>
+        /// Represents an order entity.
+        /// 表示订单实体。
+        /// </summary>
+        public class Order
+        {
+            public int Id { get; set; }
+            public string Name { get; set; }
+        }
+    }
+}
\ No newline at end of file
diff --git a/Src/Asp.NetCore2/MySqlTest/a8_SelectReturnType.cs b/Src/Asp.NetCore2/MySqlTest/a8_SelectReturnType.cs
new file mode 100644
index 000000000..4e7e67af1
--- /dev/null
+++ b/Src/Asp.NetCore2/MySqlTest/a8_SelectReturnType.cs
@@ -0,0 +1,68 @@
+using SqlSugar;
+using System;
+using System.Collections.Generic;
+
+namespace OrmTest
+{
+    internal class _a8_SelectReturnType 
+    {
+        internal static void Init()
+        {
+            var db = DbHelper.GetNewDb();
+
+            //Create table
+            //建表
+            db.CodeFirst.InitTables<Student>();
+            //init data
+            db.Insertable(new Student() { CreateTime = DateTime.Now, Name = "aa" }).ExecuteCommand();
+
+
+            // 返回匿名对象 (Return anonymous objects)
+            var dynamicList = db.Queryable<Student>().Select<dynamic>().ToList();
+            // SELECT * FROM Student_a8
+
+            // 手动：返回匿名集合，支持跨程序集 (Manually: Return an anonymous collection, supporting cross-assembly)
+            List<dynamic> dynamicListCrossAssembly = db.Queryable<Student>().Select(it => (dynamic)new { id = it.Id }).ToList();
+            // SELECT id AS id FROM Student_a8
+
+            // 手动：返回匿名集合，不能跨程序集 (Manually: Return an anonymous collection, within the same assembly)
+            var dynamicListWithinAssembly = db.Queryable<Student>().Select(it => new { id = it.Id }).ToList();
+            // SELECT id AS id FROM Student_a8
+
+            // 手动：返回类集合-手动 (Manually: Return a class collection manually)
+            List<Student> classList = db.Queryable<Student>().Select(it => new Student { Id = it.Id }).ToList();
+            // SELECT id AS Id FROM Student_a8
+
+            // 自动返回DTO集合: 请升级至 5.1.3.2 版本 (Automatically return DTO collections: Upgrade to version 5.1.3.2)
+            var listDto = db.Queryable<Student>().Select<StudentDto>().ToList();
+
+            // 自动返回DTO: 请升级至 5.1.3.35 版本 (Automatically return DTO: Upgrade to version 5.1.3.35)
+            var listDtoAutoMap = db.Queryable<Student>()
+                .Select(it => new StudentDto
+                {
+                    AppendColumn = 100 // 手动指定一列在自动映射 (Manually specify a column in automatic mapping)
+                },
+                true) // true 表示开启自动映射 (true indicates enabling automatic mapping)
+                .ToList();
+        }
+
+        // 学生表的实体类 (Entity class for the Student table)
+        [SugarTable("Student_a8")]
+        public class Student
+        {
+            [SugarColumn(IsPrimaryKey = true, IsIdentity = true)]
+            public int Id { get; set; }
+            public string Name { get; set; }
+            public DateTime CreateTime { get; set; }
+        }
+
+        // DTO 数据传输对象 (DTO - Data Transfer Object)
+        public class StudentDto
+        {
+            public int Id { get; set; }
+            public string Name { get; set; }
+            public DateTime CreateTime { get; set; }
+            public int AppendColumn { get; set; }
+        }
+    }
+}
\ No newline at end of file
diff --git a/Src/Asp.NetCore2/PgSqlTest/Program.cs b/Src/Asp.NetCore2/PgSqlTest/Program.cs
index 3349efb2a..49a240df3 100644
--- a/Src/Asp.NetCore2/PgSqlTest/Program.cs
+++ b/Src/Asp.NetCore2/PgSqlTest/Program.cs
@@ -22,7 +22,12 @@ namespace OrmTest
             _9_Update.Init();
             _a1_Delete.Init();
             _a2_Sql.Init();
-            _a3_Merge.Init();
+            _a3_Merge.Init(); 
+            _a4_SplitTable.Init();
+            _a5_GridSave.Init();
+            _a6_SqlPage.Init();
+            _a7_JsonType.Init();
+            _a8_SelectReturnType.Init();
         }
     }
 
diff --git a/Src/Asp.NetCore2/PgSqlTest/a4_SplitTable.cs b/Src/Asp.NetCore2/PgSqlTest/a4_SplitTable.cs
new file mode 100644
index 000000000..dca9e4542
--- /dev/null
+++ b/Src/Asp.NetCore2/PgSqlTest/a4_SplitTable.cs
@@ -0,0 +1,66 @@
+using SqlSugar;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace OrmTest
+{
+    internal class _a4_SplitTable
+    {
+        // Method for initialization and testing of split tables
+        // 用于初始化和测试分表的方法
+        public static void Init()
+        {
+            // Obtain a new instance of SqlSugarClient
+            // 获取 SqlSugarClient 的新实例
+            SqlSugarClient db = DbHelper.GetNewDb();
+
+
+            // Entities change the synchronization table structure
+            // 实体变化同步表结构
+            db.CodeFirst.SplitTables().InitTables<SplitTableDemo>();
+
+            // Insert records into the split table and create table
+            // 向分表插入记录并创建表
+            db.Insertable(new SplitTableDemo() { Name = "jack", Time = DateTime.Now }).SplitTable().ExecuteCommand();
+            db.Insertable(new SplitTableDemo() { Name = "jack2", Time = DateTime.Now.AddDays(-11) }).SplitTable().ExecuteCommand();
+
+            // Query records from the split table within a specified date range
+            // 在指定日期范围内从分表查询记录
+            var list = db.Queryable<SplitTableDemo>()
+                .Where(it=>it.Name!=null)
+                .SplitTable(DateTime.Now.Date.AddYears(-1), DateTime.Now)
+                .ToList();
+
+            // Update records from the split table
+            // 从分表更新记录
+            var updateList = list.Take(2).ToList();
+            db.Updateable(updateList).SplitTable().ExecuteCommand();
+
+            // Delete records from the split table
+            // 从分表删除记录
+            db.Deleteable(updateList).SplitTable().ExecuteCommand();
+        }
+
+        // Entity class representing the split table
+        // 代表分表的实体类
+        [SplitTable(SplitType.Day)] // Specify the split type as "Day"
+        // 指定分表类型为“Day”
+        [SqlSugar.SugarTable("SplitTableDemo_{year}{month}{day}")] // Specify the table name pattern
+        // 指定表名模式
+        public class SplitTableDemo
+        {
+            [SugarColumn(IsPrimaryKey = true)] // Specify primary key
+            // 指定主键
+            public Guid Pk { get; set; }
+            public string Name { get; set; }
+
+            [SugarColumn(IsNullable = true)]
+            [SplitField] // Mark the field as a split field
+            // 将字段标记为分表字段
+            public DateTime Time { get; set; }
+        }
+    }
+}
\ No newline at end of file
diff --git a/Src/Asp.NetCore2/PgSqlTest/a5_GridSave.cs b/Src/Asp.NetCore2/PgSqlTest/a5_GridSave.cs
new file mode 100644
index 000000000..4ee26ac92
--- /dev/null
+++ b/Src/Asp.NetCore2/PgSqlTest/a5_GridSave.cs
@@ -0,0 +1,81 @@
+using SqlSugar; 
+using System; 
+using System.Collections.Generic; 
+using System.Linq; 
+using System.Text; 
+using System.Threading.Tasks; 
+
+namespace OrmTest
+{
+    internal class _a5_GridSave
+    {
+        public static void Init()
+        {
+            // Get a new database connection
+            // 获取一个新的数据库连接
+            SqlSugarClient db = DbHelper.GetNewDb();
+
+            // Initialize tables using CodeFirst
+            // 使用 CodeFirst 初始化表
+            db.CodeFirst.InitTables<Student>();
+
+            // Clear table data
+            // 清空表数据
+            db.DbMaintenance.TruncateTable<Student>();
+
+            // Insert two student records
+            // 插入两条学生记录
+            db.Insertable(new List<Student>() {
+               new Student() {Name= "jack",CreateTime=DateTime.Now},
+               new Student() {Name= "tom",CreateTime=DateTime.Now}
+            }).ExecuteReturnIdentity();
+
+            // Query all student records
+            // 查询所有学生记录
+            List<Student> getAll = db.Queryable<Student>().ToList();
+
+
+             
+            // Enable entity tracking for the list 'getAll'
+            // 启用对列表 'getAll' 的实体跟踪
+            db.Tracking(getAll); 
+
+
+
+
+            // Remove the first record
+            // 移除第一条记录
+            getAll.RemoveAt(0);
+
+            // Modify the name of the last record
+            // 修改最后一条记录的姓名
+            getAll[getAll.Count - 1].Name += "_Update";
+
+            // Add a new record
+            // 添加新记录
+            getAll.Add(new Student { Name = "NewRecord" });
+
+
+
+
+
+            // Execute GridSave operation
+            // 执行 GridSave 操作
+            db.GridSave(getAll).ExecuteCommand();
+
+            // Query all students again
+            // 再次查询所有学生
+            var list = db.Queryable<Student>().ToList();
+        }
+
+        // Define the entity class 定义实体类
+        [SugarTable("SaveTable_a5")]
+        public class Student
+        {
+            [SugarColumn(IsPrimaryKey = true, IsIdentity = true)]
+            public int Id { get; set; }
+            public string Name { get; set; }
+            public DateTime CreateTime { get; set; }
+        }
+    }
+}
\ No newline at end of file
diff --git a/Src/Asp.NetCore2/PgSqlTest/a6_SqlPage.cs b/Src/Asp.NetCore2/PgSqlTest/a6_SqlPage.cs
new file mode 100644
index 000000000..47a67aaef
--- /dev/null
+++ b/Src/Asp.NetCore2/PgSqlTest/a6_SqlPage.cs
@@ -0,0 +1,59 @@
+using SqlSugar;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Runtime.InteropServices.ComTypes;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace OrmTest
+{
+    internal class _a6_SqlPage
+    {
+        /// <summary>
+        /// <summary>
+        /// Initializes an example method for SQL paging operations.
+        /// 初始化 SQL 分页操作的示例方法。
+        /// </summary>
+        internal static void Init()
+        {
+            // Get a new database connection object
+            // 获取新的数据库连接对象
+            var db = DbHelper.GetNewDb();
+
+            // CodeFirst initializes the ClassA table
+            // CodeFirst 初始化 ClassA 表
+            db.CodeFirst.InitTables<ClassA>();
+            for (int i = 0; i < 16; i++)
+            {
+                db.Insertable(new ClassA() { Name = Guid.NewGuid().ToString("N") }).ExecuteCommand();
+            }
+
+
+            // Query data using paging and get the total count
+            // 使用分页查询数据，并获取总记录数
+            int count = 0; 
+            var list = db.SqlQueryable<ClassA>("select * from Table_a6").ToPageList(1, 5, ref count);
+
+             
+
+            // Asynchronously query data using paging and get the total count
+            // 使用异步方式分页查询数据，并获取总记录数
+            RefAsync<int> countAsync = 0;
+            var listAsync = db.SqlQueryable<ClassA>("select * from Table_a6").ToPageListAsync(1, 5, countAsync).GetAwaiter().GetResult();
+        }
+
+        /// <summary>
+        /// Example entity class.
+        /// 示例实体类。
+        /// </summary>
+        [SugarTable("Table_a6")]
+        public class ClassA
+        {
+            [SugarColumn(IsPrimaryKey = true, IsIdentity = true)]
+            public int Id { get; set; }
+
+            public string Name { get; set; }
+        }
+    }
+}
\ No newline at end of file
diff --git a/Src/Asp.NetCore2/PgSqlTest/a7_JsonType.cs b/Src/Asp.NetCore2/PgSqlTest/a7_JsonType.cs
new file mode 100644
index 000000000..86557e6e9
--- /dev/null
+++ b/Src/Asp.NetCore2/PgSqlTest/a7_JsonType.cs
@@ -0,0 +1,71 @@
+using SqlSugar;
+using System;
+using System.Collections.Generic;
+
+namespace OrmTest
+{
+    internal class _a7_JsonType
+    {
+        /// <summary>
+        /// Demonstrates JSON operations with SqlSugar.
+        /// 展示了在 SqlSugar 中进行 JSON 操作的示例。
+        /// </summary>
+        internal static void Init()
+        {
+            // Get a new database connection object
+            // 获取一个新的数据库连接对象
+            var db = DbHelper.GetNewDb();
+
+            // Create table
+            // 创建表
+            db.CodeFirst.InitTables<UnitJsonTest>();
+
+            // Insert a record with a JSON property
+            // 插入一条包含 JSON 属性的记录
+            db.Insertable(new UnitJsonTest()
+            {
+                Name = "json1",
+                Order = new Order { Id = 1, Name = "order1" }
+            }).ExecuteCommand();
+
+            // Query all records from the table
+            // 查询表中的所有记录
+            var list = db.Queryable<UnitJsonTest>().ToList();
+
+            //Sqlfunc.JsonXXX
+            var list2=db.Queryable<UnitJsonTest>()
+                .Select(it => new
+                {
+                    id=it.Id,
+                    jsonname=SqlFunc.JsonField(it.Order,"Name")
+                })
+                .ToList();
+        }
+
+        /// <summary>
+        /// Represents a class with a JSON property.
+        /// 表示一个包含 JSON 属性的类。
+        /// </summary>
+        [SugarTable("UnitJsonTest_a7")]
+        public class UnitJsonTest
+        {
+            [SugarColumn(IsPrimaryKey = true, IsIdentity = true)]
+            public int Id { get; set; }
+
+            [SugarColumn(IsJson = true)]
+            public Order Order { get; set; }
+
+            public string Name { get; set; }
+        }
+
+        /// <summary>
+        /// Represents an order entity.
+        /// 表示订单实体。
+        /// </summary>
+        public class Order
+        {
+            public int Id { get; set; }
+            public string Name { get; set; }
+        }
+    }
+}
\ No newline at end of file
diff --git a/Src/Asp.NetCore2/PgSqlTest/a8_SelectReturnType.cs b/Src/Asp.NetCore2/PgSqlTest/a8_SelectReturnType.cs
new file mode 100644
index 000000000..4e7e67af1
--- /dev/null
+++ b/Src/Asp.NetCore2/PgSqlTest/a8_SelectReturnType.cs
@@ -0,0 +1,68 @@
+using SqlSugar;
+using System;
+using System.Collections.Generic;
+
+namespace OrmTest
+{
+    internal class _a8_SelectReturnType 
+    {
+        internal static void Init()
+        {
+            var db = DbHelper.GetNewDb();
+
+            //Create table
+            //建表
+            db.CodeFirst.InitTables<Student>();
+            //init data
+            db.Insertable(new Student() { CreateTime = DateTime.Now, Name = "aa" }).ExecuteCommand();
+
+
+            // 返回匿名对象 (Return anonymous objects)
+            var dynamicList = db.Queryable<Student>().Select<dynamic>().ToList();
+            // SELECT * FROM Student_a8
+
+            // 手动：返回匿名集合，支持跨程序集 (Manually: Return an anonymous collection, supporting cross-assembly)
+            List<dynamic> dynamicListCrossAssembly = db.Queryable<Student>().Select(it => (dynamic)new { id = it.Id }).ToList();
+            // SELECT id AS id FROM Student_a8
+
+            // 手动：返回匿名集合，不能跨程序集 (Manually: Return an anonymous collection, within the same assembly)
+            var dynamicListWithinAssembly = db.Queryable<Student>().Select(it => new { id = it.Id }).ToList();
+            // SELECT id AS id FROM Student_a8
+
+            // 手动：返回类集合-手动 (Manually: Return a class collection manually)
+            List<Student> classList = db.Queryable<Student>().Select(it => new Student { Id = it.Id }).ToList();
+            // SELECT id AS Id FROM Student_a8
+
+            // 自动返回DTO集合: 请升级至 5.1.3.2 版本 (Automatically return DTO collections: Upgrade to version 5.1.3.2)
+            var listDto = db.Queryable<Student>().Select<StudentDto>().ToList();
+
+            // 自动返回DTO: 请升级至 5.1.3.35 版本 (Automatically return DTO: Upgrade to version 5.1.3.35)
+            var listDtoAutoMap = db.Queryable<Student>()
+                .Select(it => new StudentDto
+                {
+                    AppendColumn = 100 // 手动指定一列在自动映射 (Manually specify a column in automatic mapping)
+                },
+                true) // true 表示开启自动映射 (true indicates enabling automatic mapping)
+                .ToList();
+        }
+
+        // 学生表的实体类 (Entity class for the Student table)
+        [SugarTable("Student_a8")]
+        public class Student
+        {
+            [SugarColumn(IsPrimaryKey = true, IsIdentity = true)]
+            public int Id { get; set; }
+            public string Name { get; set; }
+            public DateTime CreateTime { get; set; }
+        }
+
+        // DTO 数据传输对象 (DTO - Data Transfer Object)
+        public class StudentDto
+        {
+            public int Id { get; set; }
+            public string Name { get; set; }
+            public DateTime CreateTime { get; set; }
+            public int AppendColumn { get; set; }
+        }
+    }
+}
\ No newline at end of file
diff --git a/Src/Asp.NetCore2/SqliteTest/Program.cs b/Src/Asp.NetCore2/SqliteTest/Program.cs
index 5122eea2e..34487e74d 100644
--- a/Src/Asp.NetCore2/SqliteTest/Program.cs
+++ b/Src/Asp.NetCore2/SqliteTest/Program.cs
@@ -22,7 +22,12 @@ namespace OrmTest
             _9_Update.Init();
             _a1_Delete.Init();
             _a2_Sql.Init();
-            _a3_Merge.Init();
+            _a3_Merge.Init(); 
+            _a4_SplitTable.Init();
+            _a5_GridSave.Init();
+            _a6_SqlPage.Init();
+            _a7_JsonType.Init();
+            _a8_SelectReturnType.Init();
         }
     }
 
diff --git a/Src/Asp.NetCore2/SqliteTest/a4_SplitTable.cs b/Src/Asp.NetCore2/SqliteTest/a4_SplitTable.cs
new file mode 100644
index 000000000..dca9e4542
--- /dev/null
+++ b/Src/Asp.NetCore2/SqliteTest/a4_SplitTable.cs
@@ -0,0 +1,66 @@
+using SqlSugar;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace OrmTest
+{
+    internal class _a4_SplitTable
+    {
+        // Method for initialization and testing of split tables
+        // 用于初始化和测试分表的方法
+        public static void Init()
+        {
+            // Obtain a new instance of SqlSugarClient
+            // 获取 SqlSugarClient 的新实例
+            SqlSugarClient db = DbHelper.GetNewDb();
+
+
+            // Entities change the synchronization table structure
+            // 实体变化同步表结构
+            db.CodeFirst.SplitTables().InitTables<SplitTableDemo>();
+
+            // Insert records into the split table and create table
+            // 向分表插入记录并创建表
+            db.Insertable(new SplitTableDemo() { Name = "jack", Time = DateTime.Now }).SplitTable().ExecuteCommand();
+            db.Insertable(new SplitTableDemo() { Name = "jack2", Time = DateTime.Now.AddDays(-11) }).SplitTable().ExecuteCommand();
+
+            // Query records from the split table within a specified date range
+            // 在指定日期范围内从分表查询记录
+            var list = db.Queryable<SplitTableDemo>()
+                .Where(it=>it.Name!=null)
+                .SplitTable(DateTime.Now.Date.AddYears(-1), DateTime.Now)
+                .ToList();
+
+            // Update records from the split table
+            // 从分表更新记录
+            var updateList = list.Take(2).ToList();
+            db.Updateable(updateList).SplitTable().ExecuteCommand();
+
+            // Delete records from the split table
+            // 从分表删除记录
+            db.Deleteable(updateList).SplitTable().ExecuteCommand();
+        }
+
+        // Entity class representing the split table
+        // 代表分表的实体类
+        [SplitTable(SplitType.Day)] // Specify the split type as "Day"
+        // 指定分表类型为“Day”
+        [SqlSugar.SugarTable("SplitTableDemo_{year}{month}{day}")] // Specify the table name pattern
+        // 指定表名模式
+        public class SplitTableDemo
+        {
+            [SugarColumn(IsPrimaryKey = true)] // Specify primary key
+            // 指定主键
+            public Guid Pk { get; set; }
+            public string Name { get; set; }
+
+            [SugarColumn(IsNullable = true)]
+            [SplitField] // Mark the field as a split field
+            // 将字段标记为分表字段
+            public DateTime Time { get; set; }
+        }
+    }
+}
\ No newline at end of file
diff --git a/Src/Asp.NetCore2/SqliteTest/a5_GridSave.cs b/Src/Asp.NetCore2/SqliteTest/a5_GridSave.cs
new file mode 100644
index 000000000..4ee26ac92
--- /dev/null
+++ b/Src/Asp.NetCore2/SqliteTest/a5_GridSave.cs
@@ -0,0 +1,81 @@
+using SqlSugar; 
+using System; 
+using System.Collections.Generic; 
+using System.Linq; 
+using System.Text; 
+using System.Threading.Tasks; 
+
+namespace OrmTest
+{
+    internal class _a5_GridSave
+    {
+        public static void Init()
+        {
+            // Get a new database connection
+            // 获取一个新的数据库连接
+            SqlSugarClient db = DbHelper.GetNewDb();
+
+            // Initialize tables using CodeFirst
+            // 使用 CodeFirst 初始化表
+            db.CodeFirst.InitTables<Student>();
+
+            // Clear table data
+            // 清空表数据
+            db.DbMaintenance.TruncateTable<Student>();
+
+            // Insert two student records
+            // 插入两条学生记录
+            db.Insertable(new List<Student>() {
+               new Student() {Name= "jack",CreateTime=DateTime.Now},
+               new Student() {Name= "tom",CreateTime=DateTime.Now}
+            }).ExecuteReturnIdentity();
+
+            // Query all student records
+            // 查询所有学生记录
+            List<Student> getAll = db.Queryable<Student>().ToList();
+
+
+             
+            // Enable entity tracking for the list 'getAll'
+            // 启用对列表 'getAll' 的实体跟踪
+            db.Tracking(getAll); 
+
+
+
+
+            // Remove the first record
+            // 移除第一条记录
+            getAll.RemoveAt(0);
+
+            // Modify the name of the last record
+            // 修改最后一条记录的姓名
+            getAll[getAll.Count - 1].Name += "_Update";
+
+            // Add a new record
+            // 添加新记录
+            getAll.Add(new Student { Name = "NewRecord" });
+
+
+
+
+
+            // Execute GridSave operation
+            // 执行 GridSave 操作
+            db.GridSave(getAll).ExecuteCommand();
+
+            // Query all students again
+            // 再次查询所有学生
+            var list = db.Queryable<Student>().ToList();
+        }
+
+        // Define the entity class 定义实体类
+        [SugarTable("SaveTable_a5")]
+        public class Student
+        {
+            [SugarColumn(IsPrimaryKey = true, IsIdentity = true)]
+            public int Id { get; set; }
+            public string Name { get; set; }
+            public DateTime CreateTime { get; set; }
+        }
+    }
+}
\ No newline at end of file
diff --git a/Src/Asp.NetCore2/SqliteTest/a6_SqlPage.cs b/Src/Asp.NetCore2/SqliteTest/a6_SqlPage.cs
new file mode 100644
index 000000000..47a67aaef
--- /dev/null
+++ b/Src/Asp.NetCore2/SqliteTest/a6_SqlPage.cs
@@ -0,0 +1,59 @@
+using SqlSugar;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Runtime.InteropServices.ComTypes;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace OrmTest
+{
+    internal class _a6_SqlPage
+    {
+        /// <summary>
+        /// <summary>
+        /// Initializes an example method for SQL paging operations.
+        /// 初始化 SQL 分页操作的示例方法。
+        /// </summary>
+        internal static void Init()
+        {
+            // Get a new database connection object
+            // 获取新的数据库连接对象
+            var db = DbHelper.GetNewDb();
+
+            // CodeFirst initializes the ClassA table
+            // CodeFirst 初始化 ClassA 表
+            db.CodeFirst.InitTables<ClassA>();
+            for (int i = 0; i < 16; i++)
+            {
+                db.Insertable(new ClassA() { Name = Guid.NewGuid().ToString("N") }).ExecuteCommand();
+            }
+
+
+            // Query data using paging and get the total count
+            // 使用分页查询数据，并获取总记录数
+            int count = 0; 
+            var list = db.SqlQueryable<ClassA>("select * from Table_a6").ToPageList(1, 5, ref count);
+
+             
+
+            // Asynchronously query data using paging and get the total count
+            // 使用异步方式分页查询数据，并获取总记录数
+            RefAsync<int> countAsync = 0;
+            var listAsync = db.SqlQueryable<ClassA>("select * from Table_a6").ToPageListAsync(1, 5, countAsync).GetAwaiter().GetResult();
+        }
+
+        /// <summary>
+        /// Example entity class.
+        /// 示例实体类。
+        /// </summary>
+        [SugarTable("Table_a6")]
+        public class ClassA
+        {
+            [SugarColumn(IsPrimaryKey = true, IsIdentity = true)]
+            public int Id { get; set; }
+
+            public string Name { get; set; }
+        }
+    }
+}
\ No newline at end of file
diff --git a/Src/Asp.NetCore2/SqliteTest/a7_JsonType.cs b/Src/Asp.NetCore2/SqliteTest/a7_JsonType.cs
new file mode 100644
index 000000000..fb6444afa
--- /dev/null
+++ b/Src/Asp.NetCore2/SqliteTest/a7_JsonType.cs
@@ -0,0 +1,62 @@
+using SqlSugar;
+using System;
+using System.Collections.Generic;
+
+namespace OrmTest
+{
+    internal class _a7_JsonType
+    {
+        /// <summary>
+        /// Demonstrates JSON operations with SqlSugar.
+        /// 展示了在 SqlSugar 中进行 JSON 操作的示例。
+        /// </summary>
+        internal static void Init()
+        {
+            // Get a new database connection object
+            // 获取一个新的数据库连接对象
+            var db = DbHelper.GetNewDb();
+
+            // Create table
+            // 创建表
+            db.CodeFirst.InitTables<UnitJsonTest>();
+
+            // Insert a record with a JSON property
+            // 插入一条包含 JSON 属性的记录
+            db.Insertable(new UnitJsonTest()
+            {
+                Name = "json1",
+                Order = new Order { Id = 1, Name = "order1" }
+            }).ExecuteCommand();
+
+            // Query all records from the table
+            // 查询表中的所有记录
+            var list = db.Queryable<UnitJsonTest>().ToList(); 
+        }
+
+        /// <summary>
+        /// Represents a class with a JSON property.
+        /// 表示一个包含 JSON 属性的类。
+        /// </summary>
+        [SugarTable("UnitJsonTest_a7")]
+        public class UnitJsonTest
+        {
+            [SugarColumn(IsPrimaryKey = true, IsIdentity = true)]
+            public int Id { get; set; }
+
+            [SugarColumn(IsJson = true)]
+            public Order Order { get; set; }
+
+            public string Name { get; set; }
+        }
+
+        /// <summary>
+        /// Represents an order entity.
+        /// 表示订单实体。
+        /// </summary>
+        public class Order
+        {
+            public int Id { get; set; }
+            public string Name { get; set; }
+        }
+    }
+}
\ No newline at end of file
diff --git a/Src/Asp.NetCore2/SqliteTest/a8_SelectReturnType.cs b/Src/Asp.NetCore2/SqliteTest/a8_SelectReturnType.cs
new file mode 100644
index 000000000..4e7e67af1
--- /dev/null
+++ b/Src/Asp.NetCore2/SqliteTest/a8_SelectReturnType.cs
@@ -0,0 +1,68 @@
+using SqlSugar;
+using System;
+using System.Collections.Generic;
+
+namespace OrmTest
+{
+    internal class _a8_SelectReturnType 
+    {
+        internal static void Init()
+        {
+            var db = DbHelper.GetNewDb();
+
+            //Create table
+            //建表
+            db.CodeFirst.InitTables<Student>();
+            //init data
+            db.Insertable(new Student() { CreateTime = DateTime.Now, Name = "aa" }).ExecuteCommand();
+
+
+            // 返回匿名对象 (Return anonymous objects)
+            var dynamicList = db.Queryable<Student>().Select<dynamic>().ToList();
+            // SELECT * FROM Student_a8
+
+            // 手动：返回匿名集合，支持跨程序集 (Manually: Return an anonymous collection, supporting cross-assembly)
+            List<dynamic> dynamicListCrossAssembly = db.Queryable<Student>().Select(it => (dynamic)new { id = it.Id }).ToList();
+            // SELECT id AS id FROM Student_a8
+
+            // 手动：返回匿名集合，不能跨程序集 (Manually: Return an anonymous collection, within the same assembly)
+            var dynamicListWithinAssembly = db.Queryable<Student>().Select(it => new { id = it.Id }).ToList();
+            // SELECT id AS id FROM Student_a8
+
+            // 手动：返回类集合-手动 (Manually: Return a class collection manually)
+            List<Student> classList = db.Queryable<Student>().Select(it => new Student { Id = it.Id }).ToList();
+            // SELECT id AS Id FROM Student_a8
+
+            // 自动返回DTO集合: 请升级至 5.1.3.2 版本 (Automatically return DTO collections: Upgrade to version 5.1.3.2)
+            var listDto = db.Queryable<Student>().Select<StudentDto>().ToList();
+
+            // 自动返回DTO: 请升级至 5.1.3.35 版本 (Automatically return DTO: Upgrade to version 5.1.3.35)
+            var listDtoAutoMap = db.Queryable<Student>()
+                .Select(it => new StudentDto
+                {
+                    AppendColumn = 100 // 手动指定一列在自动映射 (Manually specify a column in automatic mapping)
+                },
+                true) // true 表示开启自动映射 (true indicates enabling automatic mapping)
+                .ToList();
+        }
+
+        // 学生表的实体类 (Entity class for the Student table)
+        [SugarTable("Student_a8")]
+        public class Student
+        {
+            [SugarColumn(IsPrimaryKey = true, IsIdentity = true)]
+            public int Id { get; set; }
+            public string Name { get; set; }
+            public DateTime CreateTime { get; set; }
+        }
+
+        // DTO 数据传输对象 (DTO - Data Transfer Object)
+        public class StudentDto
+        {
+            public int Id { get; set; }
+            public string Name { get; set; }
+            public DateTime CreateTime { get; set; }
+            public int AppendColumn { get; set; }
+        }
+    }
+}
\ No newline at end of file