diff --git a/FreeSql.Tests/FreeSql.Tests.Provider.MySqlConnector/MySqlConnector/Curd/MySqlSelectTest.cs b/FreeSql.Tests/FreeSql.Tests.Provider.MySqlConnector/MySqlConnector/Curd/MySqlSelectTest.cs
index 607fcc57..fc638846 100644
--- a/FreeSql.Tests/FreeSql.Tests.Provider.MySqlConnector/MySqlConnector/Curd/MySqlSelectTest.cs
+++ b/FreeSql.Tests/FreeSql.Tests.Provider.MySqlConnector/MySqlConnector/Curd/MySqlSelectTest.cs
@@ -155,6 +155,19 @@ namespace FreeSql.Tests.MySqlConnector
             public string name { get; set; } //这是join表的属性
             public int ParentId { get; set; } //这是join表的属性
         }
+        class TestDto2
+        {
+            public int id { get; set; }
+            public string name { get; set; } //这是join表的属性
+            public int ParentId { get; set; } //这是join表的属性
+
+            public TestDto2() { }
+            public TestDto2(int id, string name)
+            {
+                this.id = id;
+                this.name = name;
+            }
+        }
         [Fact]
         public void ToList()
         {
@@ -171,6 +184,18 @@ namespace FreeSql.Tests.MySqlConnector
             var testDto44 = select.LeftJoin(a => a.Type.Guid == a.TypeGuid).Limit(10).ToList(a => new TestDto() { });
             var testDto55 = select.LeftJoin(a => a.Type.Guid == a.TypeGuid).Limit(10).ToList<TestDto>();
 
+            var testDto211 = select.Limit(10).ToList(a => new TestDto2(a.Id, a.Title));
+            var testDto212 = select.Limit(10).ToList(a => new TestDto2());
+            var testDto213 = select.Limit(10).ToList(a => new TestDto2 { });
+            var testDto214 = select.Limit(10).ToList(a => new TestDto2() { });
+            var testDto215 = select.Limit(10).ToList<TestDto2>();
+
+            var testDto2211 = select.LeftJoin(a => a.Type.Guid == a.TypeGuid).Limit(10).ToList(a => new TestDto2(a.Id, a.Title));
+            var testDto2222 = select.LeftJoin(a => a.Type.Guid == a.TypeGuid).Limit(10).ToList(a => new TestDto2());
+            var testDto2233 = select.LeftJoin(a => a.Type.Guid == a.TypeGuid).Limit(10).ToList(a => new TestDto2 { });
+            var testDto2244 = select.LeftJoin(a => a.Type.Guid == a.TypeGuid).Limit(10).ToList(a => new TestDto2() { });
+            var testDto2255 = select.LeftJoin(a => a.Type.Guid == a.TypeGuid).Limit(10).ToList<TestDto2>();
+
             var t0 = select.Limit(50).ToList();
 
             var sql1 = select.LeftJoin(a => a.Type.Guid == a.TypeGuid).ToSql();
@@ -735,6 +760,9 @@ namespace FreeSql.Tests.MySqlConnector
 
             var testpid1 = g.mysql.Insert<TestTypeInfo>().AppendData(new TestTypeInfo { Name = "Name" + DateTime.Now.ToString("yyyyMMddHHmmss") }).ExecuteIdentity();
 
+            var fkfjfj = select.GroupBy(a => a.Title)
+                .ToList(a => a.Sum(a.Value.TypeGuid));
+
             var aggsql1 = select
                 .GroupBy(a => a.Title)
                 .ToSql(b => new
diff --git a/FreeSql.Tests/FreeSql.Tests.Provider.MySqlConnector/MySqlConnector/Curd/MySqlUpdateTest.cs b/FreeSql.Tests/FreeSql.Tests.Provider.MySqlConnector/MySqlConnector/Curd/MySqlUpdateTest.cs
index 992bc4cf..1a6ad37b 100644
--- a/FreeSql.Tests/FreeSql.Tests.Provider.MySqlConnector/MySqlConnector/Curd/MySqlUpdateTest.cs
+++ b/FreeSql.Tests/FreeSql.Tests.Provider.MySqlConnector/MySqlConnector/Curd/MySqlUpdateTest.cs
@@ -127,6 +127,10 @@ namespace FreeSql.Tests.MySqlConnector
 
             sql = update.Set(a => a.Clicks == a.Clicks * 10 / 1).Where(a => a.Id == 1).ToSql().Replace("\r\n", "");
             Assert.Equal("UPDATE `tb_topic` SET `Clicks` = `Clicks` * 10 div 1 WHERE (`Id` = 1)", sql);
+            
+            var dt2000 = DateTime.Parse("2000-01-01");
+            sql = update.Set(a => a.Clicks == (a.CreateTime > dt2000 ? 1 : 2)).Where(a => a.Id == 1).ToSql().Replace("\r\n", "");
+            Assert.Equal("UPDATE `tb_topic` SET `Clicks` = case when `CreateTime` > '2000-01-01 00:00:00.000' then 1 else 2 end WHERE (`Id` = 1)", sql);
 
             sql = update.Set(a => a.Id == 10).Where(a => a.Id == 1).ToSql().Replace("\r\n", "");
             Assert.Equal("UPDATE `tb_topic` SET `Id` = 10 WHERE (`Id` = 1)", sql);
diff --git a/FreeSql.Tests/FreeSql.Tests.Provider.Odbc/Dameng/Curd/DamengSelectTest.cs b/FreeSql.Tests/FreeSql.Tests.Provider.Odbc/Dameng/Curd/DamengSelectTest.cs
index c318cb2c..79cd586c 100644
--- a/FreeSql.Tests/FreeSql.Tests.Provider.Odbc/Dameng/Curd/DamengSelectTest.cs
+++ b/FreeSql.Tests/FreeSql.Tests.Provider.Odbc/Dameng/Curd/DamengSelectTest.cs
@@ -146,6 +146,19 @@ namespace FreeSql.Tests.Odbc.Dameng
             public string name { get; set; } //这是join表的属性
             public int ParentId { get; set; } //这是join表的属性
         }
+        class TestDto2
+        {
+            public int id { get; set; }
+            public string name { get; set; } //这是join表的属性
+            public int ParentId { get; set; } //这是join表的属性
+
+            public TestDto2() { }
+            public TestDto2(int id, string name)
+            {
+                this.id = id;
+                this.name = name;
+            }
+        }
         [Fact]
         public void ToList()
         {
@@ -160,6 +173,18 @@ namespace FreeSql.Tests.Odbc.Dameng
             var testDto33 = select.LeftJoin(a => a.Type.Guid == a.TypeGuid).Limit(10).ToList(a => new TestDto { });
             var testDto44 = select.LeftJoin(a => a.Type.Guid == a.TypeGuid).Limit(10).ToList(a => new TestDto() { });
 
+            var testDto211 = select.Limit(10).ToList(a => new TestDto2(a.Id, a.Title));
+            var testDto212 = select.Limit(10).ToList(a => new TestDto2());
+            var testDto213 = select.Limit(10).ToList(a => new TestDto2 { });
+            var testDto214 = select.Limit(10).ToList(a => new TestDto2() { });
+            var testDto215 = select.Limit(10).ToList<TestDto2>();
+
+            var testDto2211 = select.LeftJoin(a => a.Type.Guid == a.TypeGuid).Limit(10).ToList(a => new TestDto2(a.Id, a.Title));
+            var testDto2222 = select.LeftJoin(a => a.Type.Guid == a.TypeGuid).Limit(10).ToList(a => new TestDto2());
+            var testDto2233 = select.LeftJoin(a => a.Type.Guid == a.TypeGuid).Limit(10).ToList(a => new TestDto2 { });
+            var testDto2244 = select.LeftJoin(a => a.Type.Guid == a.TypeGuid).Limit(10).ToList(a => new TestDto2() { });
+            var testDto2255 = select.LeftJoin(a => a.Type.Guid == a.TypeGuid).Limit(10).ToList<TestDto2>();
+
             g.dameng.Insert<TestGuidIdToList>().AppendData(new TestGuidIdToList()).ExecuteAffrows();
             var testGuidId5 = g.dameng.Select<TestGuidIdToList>().ToList();
             var testGuidId6 = g.dameng.Select<TestGuidIdToList>().ToList(a => a.id);
@@ -662,6 +687,9 @@ namespace FreeSql.Tests.Odbc.Dameng
             var testpid1 = g.dameng.Insert<TestTypeInfo>().AppendData(new TestTypeInfo { Name = "Name" + DateTime.Now.ToString("yyyyMMddHHmmss") }).ExecuteIdentity();
             g.dameng.Insert<TestInfo>().AppendData(new TestInfo { Title = "Title" + DateTime.Now.ToString("yyyyMMddHHmmss"), CreateTime = DateTime.Now, TypeGuid = (int)testpid1 }).ExecuteAffrows();
 
+            var fkfjfj = select.GroupBy(a => a.Title)
+                .ToList(a => a.Sum(a.Value.TypeGuid));
+
             var aggsql1 = select
                 .GroupBy(a => a.Title)
                 .ToSql(b => new
diff --git a/FreeSql.Tests/FreeSql.Tests.Provider.Odbc/Dameng/Curd/DamengUpdateTest.cs b/FreeSql.Tests/FreeSql.Tests.Provider.Odbc/Dameng/Curd/DamengUpdateTest.cs
index ce50236a..51a139c0 100644
--- a/FreeSql.Tests/FreeSql.Tests.Provider.Odbc/Dameng/Curd/DamengUpdateTest.cs
+++ b/FreeSql.Tests/FreeSql.Tests.Provider.Odbc/Dameng/Curd/DamengUpdateTest.cs
@@ -86,6 +86,10 @@ namespace FreeSql.Tests.Odbc.Dameng
             sql = update.Set(a => a.Clicks == a.Clicks * 10 / 1).Where(a => a.Id == 1).ToSql().Replace("\r\n", "");
             Assert.Equal("UPDATE \"TB_TOPIC\" SET \"CLICKS\" = trunc(\"CLICKS\" * 10 / 1) WHERE (\"ID\" = 1)", sql);
 
+            var dt2000 = DateTime.Parse("2000-01-01");
+            sql = update.Set(a => a.Clicks == (a.CreateTime > dt2000 ? 1 : 2)).Where(a => a.Id == 1).ToSql().Replace("\r\n", "");
+            Assert.Equal("UPDATE \"TB_TOPIC\" SET \"CLICKS\" = case when \"CREATETIME\" > to_timestamp('2000-01-01 00:00:00.000000','YYYY-MM-DD HH24:MI:SS.FF6') then 1 else 2 end WHERE (\"ID\" = 1)", sql);
+
             sql = update.Set(a => a.Id == 10).Where(a => a.Id == 1).ToSql().Replace("\r\n", "");
             Assert.Equal("UPDATE \"TB_TOPIC\" SET \"ID\" = 10 WHERE (\"ID\" = 1)", sql);
         }
diff --git a/FreeSql.Tests/FreeSql.Tests.Provider.Odbc/Default/Curd/OdbcSelectTest.cs b/FreeSql.Tests/FreeSql.Tests.Provider.Odbc/Default/Curd/OdbcSelectTest.cs
index 3eb5ced3..8db28289 100644
--- a/FreeSql.Tests/FreeSql.Tests.Provider.Odbc/Default/Curd/OdbcSelectTest.cs
+++ b/FreeSql.Tests/FreeSql.Tests.Provider.Odbc/Default/Curd/OdbcSelectTest.cs
@@ -137,6 +137,19 @@ namespace FreeSql.Tests.Odbc.Default
             public string name { get; set; } //这是join表的属性
             public int ParentId { get; set; } //这是join表的属性
         }
+        class TestDto2
+        {
+            public int id { get; set; }
+            public string name { get; set; } //这是join表的属性
+            public int ParentId { get; set; } //这是join表的属性
+
+            public TestDto2() { }
+            public TestDto2(int id, string name)
+            {
+                this.id = id;
+                this.name = name;
+            }
+        }
         [Fact]
         public void ToList()
         {
@@ -151,6 +164,18 @@ namespace FreeSql.Tests.Odbc.Default
             var testDto33 = select.LeftJoin(a => a.Type.Guid == a.TypeGuid).Limit(10).ToList(a => new TestDto { });
             var testDto44 = select.LeftJoin(a => a.Type.Guid == a.TypeGuid).Limit(10).ToList(a => new TestDto() { });
 
+            var testDto211 = select.Limit(10).ToList(a => new TestDto2(a.Id, a.Title));
+            var testDto212 = select.Limit(10).ToList(a => new TestDto2());
+            var testDto213 = select.Limit(10).ToList(a => new TestDto2 { });
+            var testDto214 = select.Limit(10).ToList(a => new TestDto2() { });
+            var testDto215 = select.Limit(10).ToList<TestDto2>();
+
+            var testDto2211 = select.LeftJoin(a => a.Type.Guid == a.TypeGuid).Limit(10).ToList(a => new TestDto2(a.Id, a.Title));
+            var testDto2222 = select.LeftJoin(a => a.Type.Guid == a.TypeGuid).Limit(10).ToList(a => new TestDto2());
+            var testDto2233 = select.LeftJoin(a => a.Type.Guid == a.TypeGuid).Limit(10).ToList(a => new TestDto2 { });
+            var testDto2244 = select.LeftJoin(a => a.Type.Guid == a.TypeGuid).Limit(10).ToList(a => new TestDto2() { });
+            var testDto2255 = select.LeftJoin(a => a.Type.Guid == a.TypeGuid).Limit(10).ToList<TestDto2>();
+
             g.odbc.Insert<TestGuidIdToList>().AppendData(new TestGuidIdToList()).ExecuteAffrows();
             var testGuidId5 = g.odbc.Select<TestGuidIdToList>().ToList();
             var testGuidId6 = g.odbc.Select<TestGuidIdToList>().ToList(a => a.id);
@@ -653,6 +678,9 @@ namespace FreeSql.Tests.Odbc.Default
             var testpid1 = g.odbc.Insert<TestTypeInfo>().AppendData(new TestTypeInfo { Name = "Name" + DateTime.Now.ToString("yyyyMMddHHmmss") }).ExecuteIdentity();
             g.odbc.Insert<TestInfo>().AppendData(new TestInfo { Title = "Title" + DateTime.Now.ToString("yyyyMMddHHmmss"), CreateTime = DateTime.Now, TypeGuid = (int)testpid1 }).ExecuteAffrows();
 
+            var fkfjfj = select.GroupBy(a => a.Title)
+                .ToList(a => a.Sum(a.Value.TypeGuid));
+
             var aggsql1 = select
                 .GroupBy(a => a.Title)
                 .ToSql(b => new
diff --git a/FreeSql.Tests/FreeSql.Tests.Provider.Odbc/Default/Curd/OdbcUpdateTest.cs b/FreeSql.Tests/FreeSql.Tests.Provider.Odbc/Default/Curd/OdbcUpdateTest.cs
index 6ebcd701..3b2fe87d 100644
--- a/FreeSql.Tests/FreeSql.Tests.Provider.Odbc/Default/Curd/OdbcUpdateTest.cs
+++ b/FreeSql.Tests/FreeSql.Tests.Provider.Odbc/Default/Curd/OdbcUpdateTest.cs
@@ -88,6 +88,10 @@ namespace FreeSql.Tests.Odbc.Default
             sql = update.Set(a => a.Clicks == a.Clicks * 10 / 1).Where(a => a.Id == 1).ToSql().Replace("\r\n", "");
             Assert.Equal("UPDATE [tb_topic] SET [Clicks] = [Clicks] * 10 / 1 WHERE ([Id] = 1)", sql);
 
+            var dt2000 = DateTime.Parse("2000-01-01");
+            sql = update.Set(a => a.Clicks == (a.CreateTime > dt2000 ? 1 : 2)).Where(a => a.Id == 1).ToSql().Replace("\r\n", "");
+            Assert.Equal("UPDATE [tb_topic] SET [Clicks] = case when [CreateTime] > '2000-01-01 00:00:00' then 1 else 2 end WHERE ([Id] = 1)", sql);
+
             sql = update.Set(a => a.Id == 10).Where(a => a.Id == 1).ToSql().Replace("\r\n", "");
             Assert.Equal("UPDATE [tb_topic] SET [Id] = 10 WHERE ([Id] = 1)", sql);
         }
diff --git a/FreeSql.Tests/FreeSql.Tests.Provider.Odbc/MySql/Curd/MySqlSelectTest.cs b/FreeSql.Tests/FreeSql.Tests.Provider.Odbc/MySql/Curd/MySqlSelectTest.cs
index 4be159dc..79e3e6ad 100644
--- a/FreeSql.Tests/FreeSql.Tests.Provider.Odbc/MySql/Curd/MySqlSelectTest.cs
+++ b/FreeSql.Tests/FreeSql.Tests.Provider.Odbc/MySql/Curd/MySqlSelectTest.cs
@@ -155,6 +155,19 @@ namespace FreeSql.Tests.Odbc.MySql
             public string name { get; set; } //这是join表的属性
             public int ParentId { get; set; } //这是join表的属性
         }
+        class TestDto2
+        {
+            public int id { get; set; }
+            public string name { get; set; } //这是join表的属性
+            public int ParentId { get; set; } //这是join表的属性
+
+            public TestDto2() { }
+            public TestDto2(int id, string name)
+            {
+                this.id = id;
+                this.name = name;
+            }
+        }
         [Fact]
         public void ToList()
         {
@@ -171,6 +184,18 @@ namespace FreeSql.Tests.Odbc.MySql
             var testDto44 = select.LeftJoin(a => a.Type.Guid == a.TypeGuid).Limit(10).ToList(a => new TestDto() { });
             var testDto55 = select.LeftJoin(a => a.Type.Guid == a.TypeGuid).Limit(10).ToList<TestDto>();
 
+            var testDto211 = select.Limit(10).ToList(a => new TestDto2(a.Id, a.Title));
+            var testDto212 = select.Limit(10).ToList(a => new TestDto2());
+            var testDto213 = select.Limit(10).ToList(a => new TestDto2 { });
+            var testDto214 = select.Limit(10).ToList(a => new TestDto2() { });
+            var testDto215 = select.Limit(10).ToList<TestDto2>();
+
+            var testDto2211 = select.LeftJoin(a => a.Type.Guid == a.TypeGuid).Limit(10).ToList(a => new TestDto2(a.Id, a.Title));
+            var testDto2222 = select.LeftJoin(a => a.Type.Guid == a.TypeGuid).Limit(10).ToList(a => new TestDto2());
+            var testDto2233 = select.LeftJoin(a => a.Type.Guid == a.TypeGuid).Limit(10).ToList(a => new TestDto2 { });
+            var testDto2244 = select.LeftJoin(a => a.Type.Guid == a.TypeGuid).Limit(10).ToList(a => new TestDto2() { });
+            var testDto2255 = select.LeftJoin(a => a.Type.Guid == a.TypeGuid).Limit(10).ToList<TestDto2>();
+
             var t0 = select.Limit(50).ToList();
 
 
@@ -746,6 +771,9 @@ namespace FreeSql.Tests.Odbc.MySql
             var testpid1 = g.mysql.Insert<TestTypeInfo>().AppendData(new TestTypeInfo { Name = "Name" + DateTime.Now.ToString("yyyyMMddHHmmss") }).ExecuteIdentity();
             g.mysql.Insert<TestInfo>().AppendData(new TestInfo { Title = "Title" + DateTime.Now.ToString("yyyyMMddHHmmss"), CreateTime = DateTime.Now, TypeGuid = (int)testpid1 }).ExecuteAffrows();
 
+            var fkfjfj = select.GroupBy(a => a.Title)
+                .ToList(a => a.Sum(a.Value.TypeGuid));
+
             var aggsql1 = select
                 .GroupBy(a => a.Title)
                 .ToSql(b => new
diff --git a/FreeSql.Tests/FreeSql.Tests.Provider.Odbc/MySql/Curd/MySqlUpdateTest.cs b/FreeSql.Tests/FreeSql.Tests.Provider.Odbc/MySql/Curd/MySqlUpdateTest.cs
index c6cf8693..d0497e2d 100644
--- a/FreeSql.Tests/FreeSql.Tests.Provider.Odbc/MySql/Curd/MySqlUpdateTest.cs
+++ b/FreeSql.Tests/FreeSql.Tests.Provider.Odbc/MySql/Curd/MySqlUpdateTest.cs
@@ -128,6 +128,10 @@ namespace FreeSql.Tests.Odbc.MySql
             sql = update.Set(a => a.Clicks == a.Clicks * 10 / 1).Where(a => a.Id == 1).ToSql().Replace("\r\n", "");
             Assert.Equal("UPDATE `tb_topic` SET `Clicks` = `Clicks` * 10 div 1 WHERE (`Id` = 1)", sql);
 
+            var dt2000 = DateTime.Parse("2000-01-01");
+            sql = update.Set(a => a.Clicks == (a.CreateTime > dt2000 ? 1 : 2)).Where(a => a.Id == 1).ToSql().Replace("\r\n", "");
+            Assert.Equal("UPDATE `tb_topic` SET `Clicks` = case when `CreateTime` > '2000-01-01 00:00:00.000' then 1 else 2 end WHERE (`Id` = 1)", sql);
+
             sql = update.Set(a => a.Id == 10).Where(a => a.Id == 1).ToSql().Replace("\r\n", "");
             Assert.Equal("UPDATE `tb_topic` SET `Id` = 10 WHERE (`Id` = 1)", sql);
 
diff --git a/FreeSql.Tests/FreeSql.Tests.Provider.Odbc/Oracle/Curd/OracleSelectTest.cs b/FreeSql.Tests/FreeSql.Tests.Provider.Odbc/Oracle/Curd/OracleSelectTest.cs
index 40a4862c..ec0fb836 100644
--- a/FreeSql.Tests/FreeSql.Tests.Provider.Odbc/Oracle/Curd/OracleSelectTest.cs
+++ b/FreeSql.Tests/FreeSql.Tests.Provider.Odbc/Oracle/Curd/OracleSelectTest.cs
@@ -146,6 +146,19 @@ namespace FreeSql.Tests.Odbc.Oracle
             public string name { get; set; } //这是join表的属性
             public int ParentId { get; set; } //这是join表的属性
         }
+        class TestDto2
+        {
+            public int id { get; set; }
+            public string name { get; set; } //这是join表的属性
+            public int ParentId { get; set; } //这是join表的属性
+
+            public TestDto2() { }
+            public TestDto2(int id, string name)
+            {
+                this.id = id;
+                this.name = name;
+            }
+        }
         [Fact]
         public void ToList()
         {
@@ -160,6 +173,18 @@ namespace FreeSql.Tests.Odbc.Oracle
             var testDto33 = select.LeftJoin(a => a.Type.Guid == a.TypeGuid).Limit(10).ToList(a => new TestDto { });
             var testDto44 = select.LeftJoin(a => a.Type.Guid == a.TypeGuid).Limit(10).ToList(a => new TestDto() { });
 
+            var testDto211 = select.Limit(10).ToList(a => new TestDto2(a.Id, a.Title));
+            var testDto212 = select.Limit(10).ToList(a => new TestDto2());
+            var testDto213 = select.Limit(10).ToList(a => new TestDto2 { });
+            var testDto214 = select.Limit(10).ToList(a => new TestDto2() { });
+            var testDto215 = select.Limit(10).ToList<TestDto2>();
+
+            var testDto2211 = select.LeftJoin(a => a.Type.Guid == a.TypeGuid).Limit(10).ToList(a => new TestDto2(a.Id, a.Title));
+            var testDto2222 = select.LeftJoin(a => a.Type.Guid == a.TypeGuid).Limit(10).ToList(a => new TestDto2());
+            var testDto2233 = select.LeftJoin(a => a.Type.Guid == a.TypeGuid).Limit(10).ToList(a => new TestDto2 { });
+            var testDto2244 = select.LeftJoin(a => a.Type.Guid == a.TypeGuid).Limit(10).ToList(a => new TestDto2() { });
+            var testDto2255 = select.LeftJoin(a => a.Type.Guid == a.TypeGuid).Limit(10).ToList<TestDto2>();
+
             g.oracle.Insert<TestGuidIdToList>().AppendData(new TestGuidIdToList()).ExecuteAffrows();
             var testGuidId5 = g.oracle.Select<TestGuidIdToList>().ToList();
             var testGuidId6 = g.oracle.Select<TestGuidIdToList>().ToList(a => a.id);
@@ -662,6 +687,9 @@ namespace FreeSql.Tests.Odbc.Oracle
             var testpid1 = g.oracle.Insert<TestTypeInfo>().AppendData(new TestTypeInfo { Name = "Name" + DateTime.Now.ToString("yyyyMMddHHmmss") }).ExecuteIdentity();
             g.oracle.Insert<TestInfo>().AppendData(new TestInfo { Title = "Title" + DateTime.Now.ToString("yyyyMMddHHmmss"), CreateTime = DateTime.Now, TypeGuid = (int)testpid1 }).ExecuteAffrows();
 
+            var fkfjfj = select.GroupBy(a => a.Title)
+                .ToList(a => a.Sum(a.Value.TypeGuid));
+
             var aggsql1 = select
                 .GroupBy(a => a.Title)
                 .ToSql(b => new
diff --git a/FreeSql.Tests/FreeSql.Tests.Provider.Odbc/Oracle/Curd/OracleUpdateTest.cs b/FreeSql.Tests/FreeSql.Tests.Provider.Odbc/Oracle/Curd/OracleUpdateTest.cs
index ef16ca98..aef3d5bc 100644
--- a/FreeSql.Tests/FreeSql.Tests.Provider.Odbc/Oracle/Curd/OracleUpdateTest.cs
+++ b/FreeSql.Tests/FreeSql.Tests.Provider.Odbc/Oracle/Curd/OracleUpdateTest.cs
@@ -86,6 +86,10 @@ namespace FreeSql.Tests.Odbc.Oracle
             sql = update.Set(a => a.Clicks == a.Clicks * 10 / 1).Where(a => a.Id == 1).ToSql().Replace("\r\n", "");
             Assert.Equal("UPDATE \"TB_TOPIC\" SET \"CLICKS\" = trunc(\"CLICKS\" * 10 / 1) WHERE (\"ID\" = 1)", sql);
 
+            var dt2000 = DateTime.Parse("2000-01-01");
+            sql = update.Set(a => a.Clicks == (a.CreateTime > dt2000 ? 1 : 2)).Where(a => a.Id == 1).ToSql().Replace("\r\n", "");
+            Assert.Equal("UPDATE \"TB_TOPIC\" SET \"CLICKS\" = case when \"CREATETIME\" > to_timestamp('2000-01-01 00:00:00.000000','YYYY-MM-DD HH24:MI:SS.FF6') then 1 else 2 end WHERE (\"ID\" = 1)", sql);
+
             sql = update.Set(a => a.Id == 10).Where(a => a.Id == 1).ToSql().Replace("\r\n", "");
             Assert.Equal("UPDATE \"TB_TOPIC\" SET \"ID\" = 10 WHERE (\"ID\" = 1)", sql);
         }
diff --git a/FreeSql.Tests/FreeSql.Tests.Provider.Odbc/PostgreSQL/Curd/PostgreSQLSelectTest.cs b/FreeSql.Tests/FreeSql.Tests.Provider.Odbc/PostgreSQL/Curd/PostgreSQLSelectTest.cs
index e04ee009..545c0fa6 100644
--- a/FreeSql.Tests/FreeSql.Tests.Provider.Odbc/PostgreSQL/Curd/PostgreSQLSelectTest.cs
+++ b/FreeSql.Tests/FreeSql.Tests.Provider.Odbc/PostgreSQL/Curd/PostgreSQLSelectTest.cs
@@ -136,6 +136,19 @@ namespace FreeSql.Tests.Odbc.PostgreSQL
             public string name { get; set; } //这是join表的属性
             public int ParentId { get; set; } //这是join表的属性
         }
+        class TestDto2
+        {
+            public int id { get; set; }
+            public string name { get; set; } //这是join表的属性
+            public int ParentId { get; set; } //这是join表的属性
+
+            public TestDto2() { }
+            public TestDto2(int id, string name)
+            {
+                this.id = id;
+                this.name = name;
+            }
+        }
         [Fact]
         public void ToList()
         {
@@ -150,6 +163,17 @@ namespace FreeSql.Tests.Odbc.PostgreSQL
             var testDto33 = select.LeftJoin(a => a.Type.Guid == a.TypeGuid).Limit(10).ToList(a => new TestDto { });
             var testDto44 = select.LeftJoin(a => a.Type.Guid == a.TypeGuid).Limit(10).ToList(a => new TestDto() { });
 
+            var testDto211 = select.Limit(10).ToList(a => new TestDto2(a.Id, a.Title));
+            var testDto212 = select.Limit(10).ToList(a => new TestDto2());
+            var testDto213 = select.Limit(10).ToList(a => new TestDto2 { });
+            var testDto214 = select.Limit(10).ToList(a => new TestDto2() { });
+            var testDto215 = select.Limit(10).ToList<TestDto2>();
+
+            var testDto2211 = select.LeftJoin(a => a.Type.Guid == a.TypeGuid).Limit(10).ToList(a => new TestDto2(a.Id, a.Title));
+            var testDto2222 = select.LeftJoin(a => a.Type.Guid == a.TypeGuid).Limit(10).ToList(a => new TestDto2());
+            var testDto2233 = select.LeftJoin(a => a.Type.Guid == a.TypeGuid).Limit(10).ToList(a => new TestDto2 { });
+            var testDto2244 = select.LeftJoin(a => a.Type.Guid == a.TypeGuid).Limit(10).ToList(a => new TestDto2() { });
+            var testDto2255 = select.LeftJoin(a => a.Type.Guid == a.TypeGuid).Limit(10).ToList<TestDto2>();
 
             var t1 = g.pgsql.Select<TestInfo>().Where("").Where(a => a.Id > 0).Skip(100).Limit(200).ToSql();
             var t2 = g.pgsql.Select<TestInfo>().As("b").Where("").Where(a => a.Id > 0).Skip(100).Limit(200).ToSql();
@@ -724,6 +748,9 @@ namespace FreeSql.Tests.Odbc.PostgreSQL
             var testpid1 = g.pgsql.Insert<TestTypeInfo>().AppendData(new TestTypeInfo { Name = "Name" + DateTime.Now.ToString("yyyyMMddHHmmss") }).ExecuteIdentity();
             g.pgsql.Insert<TestInfo>().AppendData(new TestInfo { Title = "Title" + DateTime.Now.ToString("yyyyMMddHHmmss"), CreateTime = DateTime.Now, TypeGuid = (int)testpid1 }).ExecuteAffrows();
 
+            var fkfjfj = select.GroupBy(a => a.Title)
+                .ToList(a => a.Sum(a.Value.TypeGuid));
+
             var aggsql1 = select
                 .GroupBy(a => a.Title)
                 .ToSql(b => new
diff --git a/FreeSql.Tests/FreeSql.Tests.Provider.Odbc/PostgreSQL/Curd/PostgreSQLUpdateTest.cs b/FreeSql.Tests/FreeSql.Tests.Provider.Odbc/PostgreSQL/Curd/PostgreSQLUpdateTest.cs
index 7808a318..9324d935 100644
--- a/FreeSql.Tests/FreeSql.Tests.Provider.Odbc/PostgreSQL/Curd/PostgreSQLUpdateTest.cs
+++ b/FreeSql.Tests/FreeSql.Tests.Provider.Odbc/PostgreSQL/Curd/PostgreSQLUpdateTest.cs
@@ -87,6 +87,10 @@ namespace FreeSql.Tests.Odbc.PostgreSQL
             sql = update.Set(a => a.Clicks == a.Clicks * 10 / 1).Where(a => a.Id == 1).ToSql().Replace("\r\n", "");
             Assert.Equal("UPDATE \"tb_topic\" SET \"clicks\" = \"clicks\" * 10 / 1 WHERE (\"id\" = 1)", sql);
 
+            var dt2000 = DateTime.Parse("2000-01-01");
+            sql = update.Set(a => a.Clicks == (a.CreateTime > dt2000 ? 1 : 2)).Where(a => a.Id == 1).ToSql().Replace("\r\n", "");
+            Assert.Equal("UPDATE \"tb_topic\" SET \"clicks\" = case when \"createtime\" > '2000-01-01 00:00:00.000000' then 1 else 2 end WHERE (\"id\" = 1)", sql);
+
             sql = update.Set(a => a.Id == 10).Where(a => a.Id == 1).ToSql().Replace("\r\n", "");
             Assert.Equal("UPDATE \"tb_topic\" SET \"id\" = 10 WHERE (\"id\" = 1)", sql);
         }
diff --git a/FreeSql.Tests/FreeSql.Tests.Provider.Odbc/SqlServer/Curd/SqlServerSelectTest.cs b/FreeSql.Tests/FreeSql.Tests.Provider.Odbc/SqlServer/Curd/SqlServerSelectTest.cs
index dafc6f17..7b9f97af 100644
--- a/FreeSql.Tests/FreeSql.Tests.Provider.Odbc/SqlServer/Curd/SqlServerSelectTest.cs
+++ b/FreeSql.Tests/FreeSql.Tests.Provider.Odbc/SqlServer/Curd/SqlServerSelectTest.cs
@@ -137,6 +137,19 @@ namespace FreeSql.Tests.Odbc.SqlServer
             public string name { get; set; } //这是join表的属性
             public int ParentId { get; set; } //这是join表的属性
         }
+        class TestDto2
+        {
+            public int id { get; set; }
+            public string name { get; set; } //这是join表的属性
+            public int ParentId { get; set; } //这是join表的属性
+
+            public TestDto2() { }
+            public TestDto2(int id, string name)
+            {
+                this.id = id;
+                this.name = name;
+            }
+        }
         [Fact]
         public void ToList()
         {
@@ -150,6 +163,18 @@ namespace FreeSql.Tests.Odbc.SqlServer
             var testDto33 = select.LeftJoin(a => a.Type.Guid == a.TypeGuid).Limit(10).ToList(a => new TestDto { });
             var testDto44 = select.LeftJoin(a => a.Type.Guid == a.TypeGuid).Limit(10).ToList(a => new TestDto() { });
 
+            var testDto211 = select.Limit(10).ToList(a => new TestDto2(a.Id, a.Title));
+            var testDto212 = select.Limit(10).ToList(a => new TestDto2());
+            var testDto213 = select.Limit(10).ToList(a => new TestDto2 { });
+            var testDto214 = select.Limit(10).ToList(a => new TestDto2() { });
+            var testDto215 = select.Limit(10).ToList<TestDto2>();
+
+            var testDto2211 = select.LeftJoin(a => a.Type.Guid == a.TypeGuid).Limit(10).ToList(a => new TestDto2(a.Id, a.Title));
+            var testDto2222 = select.LeftJoin(a => a.Type.Guid == a.TypeGuid).Limit(10).ToList(a => new TestDto2());
+            var testDto2233 = select.LeftJoin(a => a.Type.Guid == a.TypeGuid).Limit(10).ToList(a => new TestDto2 { });
+            var testDto2244 = select.LeftJoin(a => a.Type.Guid == a.TypeGuid).Limit(10).ToList(a => new TestDto2() { });
+            var testDto2255 = select.LeftJoin(a => a.Type.Guid == a.TypeGuid).Limit(10).ToList<TestDto2>();
+
             g.sqlserver.Insert<TestGuidIdToList>().AppendData(new TestGuidIdToList()).ExecuteAffrows();
             var testGuidId5 = g.sqlserver.Select<TestGuidIdToList>().ToList();
             var testGuidId6 = g.sqlserver.Select<TestGuidIdToList>().ToList(a => a.id);
@@ -618,6 +643,9 @@ namespace FreeSql.Tests.Odbc.SqlServer
             var testpid1 = g.sqlserver.Insert<TestTypeInfo>().AppendData(new TestTypeInfo { Name = "Name" + DateTime.Now.ToString("yyyyMMddHHmmss") }).ExecuteIdentity();
             g.sqlserver.Insert<TestInfo>().AppendData(new TestInfo { Title = "Title" + DateTime.Now.ToString("yyyyMMddHHmmss"), CreateTime = DateTime.Now, TypeGuid = (int)testpid1 }).ExecuteAffrows();
 
+            var fkfjfj = select.GroupBy(a => a.Title)
+                .ToList(a => a.Sum(a.Value.TypeGuid));
+
             var aggsql1 = select
                 .GroupBy(a => a.Title)
                 .ToSql(b => new
diff --git a/FreeSql.Tests/FreeSql.Tests.Provider.Odbc/SqlServer/Curd/SqlServerUpdateTest.cs b/FreeSql.Tests/FreeSql.Tests.Provider.Odbc/SqlServer/Curd/SqlServerUpdateTest.cs
index edf2bd99..5e2e504e 100644
--- a/FreeSql.Tests/FreeSql.Tests.Provider.Odbc/SqlServer/Curd/SqlServerUpdateTest.cs
+++ b/FreeSql.Tests/FreeSql.Tests.Provider.Odbc/SqlServer/Curd/SqlServerUpdateTest.cs
@@ -89,6 +89,10 @@ namespace FreeSql.Tests.Odbc.SqlServer
             sql = update.Set(a => a.Clicks == a.Clicks * 10 / 1).Where(a => a.Id == 1).ToSql().Replace("\r\n", "");
             Assert.Equal("UPDATE [tb_topic] SET [Clicks] = [Clicks] * 10 / 1 WHERE ([Id] = 1)", sql);
 
+            var dt2000 = DateTime.Parse("2000-01-01");
+            sql = update.Set(a => a.Clicks == (a.CreateTime > dt2000 ? 1 : 2)).Where(a => a.Id == 1).ToSql().Replace("\r\n", "");
+            Assert.Equal("UPDATE [tb_topic] SET [Clicks] = case when [CreateTime] > '2000-01-01 00:00:00.000' then 1 else 2 end WHERE ([Id] = 1)", sql);
+
             sql = update.Set(a => a.Id == 10).Where(a => a.Id == 1).ToSql().Replace("\r\n", "");
             Assert.Equal("UPDATE [tb_topic] SET [Id] = 10 WHERE ([Id] = 1)", sql);
         }
diff --git a/FreeSql.Tests/FreeSql.Tests/MsAccess/Curd/MsAccessSelectTest.cs b/FreeSql.Tests/FreeSql.Tests/MsAccess/Curd/MsAccessSelectTest.cs
index d968da49..243d9eb0 100644
--- a/FreeSql.Tests/FreeSql.Tests/MsAccess/Curd/MsAccessSelectTest.cs
+++ b/FreeSql.Tests/FreeSql.Tests/MsAccess/Curd/MsAccessSelectTest.cs
@@ -137,6 +137,19 @@ namespace FreeSql.Tests.MsAccess
             public string name { get; set; } //这是join表的属性
             public int ParentId { get; set; } //这是join表的属性
         }
+        class TestDto2
+        {
+            public int id { get; set; }
+            public string name { get; set; } //这是join表的属性
+            public int ParentId { get; set; } //这是join表的属性
+
+            public TestDto2() { }
+            public TestDto2(int id, string name)
+            {
+                this.id = id;
+                this.name = name;
+            }
+        }
         [Fact]
         public void ToList()
         {
@@ -151,6 +164,18 @@ namespace FreeSql.Tests.MsAccess
             var testDto33 = select.LeftJoin(a => a.Type.Guid == a.TypeGuid).Limit(10).ToList(a => new TestDto { });
             var testDto44 = select.LeftJoin(a => a.Type.Guid == a.TypeGuid).Limit(10).ToList(a => new TestDto() { });
 
+            var testDto211 = select.Limit(10).ToList(a => new TestDto2(a.Id, a.Title));
+            var testDto212 = select.Limit(10).ToList(a => new TestDto2());
+            var testDto213 = select.Limit(10).ToList(a => new TestDto2 { });
+            var testDto214 = select.Limit(10).ToList(a => new TestDto2() { });
+            var testDto215 = select.Limit(10).ToList<TestDto2>();
+
+            var testDto2211 = select.LeftJoin(a => a.Type.Guid == a.TypeGuid).Limit(10).ToList(a => new TestDto2(a.Id, a.Title));
+            var testDto2222 = select.LeftJoin(a => a.Type.Guid == a.TypeGuid).Limit(10).ToList(a => new TestDto2());
+            var testDto2233 = select.LeftJoin(a => a.Type.Guid == a.TypeGuid).Limit(10).ToList(a => new TestDto2 { });
+            var testDto2244 = select.LeftJoin(a => a.Type.Guid == a.TypeGuid).Limit(10).ToList(a => new TestDto2() { });
+            var testDto2255 = select.LeftJoin(a => a.Type.Guid == a.TypeGuid).Limit(10).ToList<TestDto2>();
+
             g.msaccess.Insert<TestGuidIdToList>().AppendData(new TestGuidIdToList()).ExecuteAffrows();
             var testGuidId5 = g.msaccess.Select<TestGuidIdToList>().ToList();
             var testGuidId6 = g.msaccess.Select<TestGuidIdToList>().ToList(a => a.id);
@@ -651,6 +676,9 @@ namespace FreeSql.Tests.MsAccess
             var testpid1 = g.msaccess.Insert<TestTypeInfo>().AppendData(new TestTypeInfo { Name = "Name" + DateTime.Now.ToString("yyyyMMddHHmmss") }).ExecuteIdentity();
             g.msaccess.Insert<TestInfo>().AppendData(new TestInfo { Title = "Title" + DateTime.Now.ToString("yyyyMMddHHmmss"), CreateTime = DateTime.Now, TypeGuid = (int)testpid1 }).ExecuteAffrows();
 
+            var fkfjfj = select.GroupBy(a => a.Title)
+                .ToList(a => a.Sum(a.Value.TypeGuid));
+
             var aggsql1 = select
                 .GroupBy(a => a.Title)
                 .ToSql(b => new
diff --git a/FreeSql.Tests/FreeSql.Tests/MsAccess/Curd/MsAccessUpdateTest.cs b/FreeSql.Tests/FreeSql.Tests/MsAccess/Curd/MsAccessUpdateTest.cs
index 804f570e..2e148df4 100644
--- a/FreeSql.Tests/FreeSql.Tests/MsAccess/Curd/MsAccessUpdateTest.cs
+++ b/FreeSql.Tests/FreeSql.Tests/MsAccess/Curd/MsAccessUpdateTest.cs
@@ -88,6 +88,10 @@ namespace FreeSql.Tests.MsAccess
             sql = update.Set(a => a.Clicks == a.Clicks * 10 / 1).Where(a => a.Id == 1).ToSql().Replace("\r\n", "");
             Assert.Equal("UPDATE [tb_topic] SET [Clicks] = [Clicks] * 10 / 1 WHERE ([Id] = 1)", sql);
 
+            var dt2000 = DateTime.Parse("2000-01-01");
+            sql = update.Set(a => a.Clicks == (a.CreateTime > dt2000 ? 1 : 2)).Where(a => a.Id == 1).ToSql().Replace("\r\n", "");
+            Assert.Equal("UPDATE [tb_topic] SET [Clicks] = iif([CreateTime] > '2000-01-01 00:00:00', 1, 2) WHERE ([Id] = 1)", sql);
+
             sql = update.Set(a => a.Id == 10).Where(a => a.Id == 1).ToSql().Replace("\r\n", "");
             Assert.Equal("UPDATE [tb_topic] SET [Id] = 10 WHERE ([Id] = 1)", sql);
         }
diff --git a/FreeSql.Tests/FreeSql.Tests/MySql/Curd/MySqlSelectTest.cs b/FreeSql.Tests/FreeSql.Tests/MySql/Curd/MySqlSelectTest.cs
index 7a71bc05..818e4196 100644
--- a/FreeSql.Tests/FreeSql.Tests/MySql/Curd/MySqlSelectTest.cs
+++ b/FreeSql.Tests/FreeSql.Tests/MySql/Curd/MySqlSelectTest.cs
@@ -155,6 +155,19 @@ namespace FreeSql.Tests.MySql
             public string name { get; set; } //这是join表的属性
             public int ParentId { get; set; } //这是join表的属性
         }
+        class TestDto2
+        {
+            public int id { get; set; }
+            public string name { get; set; } //这是join表的属性
+            public int ParentId { get; set; } //这是join表的属性
+
+            public TestDto2() { }
+            public TestDto2(int id, string name)
+            {
+                this.id = id;
+                this.name = name;
+            }
+        }
         [Fact]
         public void ToList()
         {
@@ -171,6 +184,18 @@ namespace FreeSql.Tests.MySql
             var testDto44 = select.LeftJoin(a => a.Type.Guid == a.TypeGuid).Limit(10).ToList(a => new TestDto() { });
             var testDto55 = select.LeftJoin(a => a.Type.Guid == a.TypeGuid).Limit(10).ToList<TestDto>();
 
+            var testDto211 = select.Limit(10).ToList(a => new TestDto2(a.Id, a.Title));
+            var testDto212 = select.Limit(10).ToList(a => new TestDto2());
+            var testDto213 = select.Limit(10).ToList(a => new TestDto2 { });
+            var testDto214 = select.Limit(10).ToList(a => new TestDto2() { });
+            var testDto215 = select.Limit(10).ToList<TestDto2>();
+
+            var testDto2211 = select.LeftJoin(a => a.Type.Guid == a.TypeGuid).Limit(10).ToList(a => new TestDto2(a.Id, a.Title));
+            var testDto2222 = select.LeftJoin(a => a.Type.Guid == a.TypeGuid).Limit(10).ToList(a => new TestDto2());
+            var testDto2233 = select.LeftJoin(a => a.Type.Guid == a.TypeGuid).Limit(10).ToList(a => new TestDto2 { });
+            var testDto2244 = select.LeftJoin(a => a.Type.Guid == a.TypeGuid).Limit(10).ToList(a => new TestDto2() { });
+            var testDto2255 = select.LeftJoin(a => a.Type.Guid == a.TypeGuid).Limit(10).ToList<TestDto2>();
+
             var t0 = select.Limit(50).ToList();
 
 
@@ -777,6 +802,9 @@ namespace FreeSql.Tests.MySql
             var testpid1 = g.mysql.Insert<TestTypeInfo>().AppendData(new TestTypeInfo { Name = "Name" + DateTime.Now.ToString("yyyyMMddHHmmss") }).ExecuteIdentity();
             g.mysql.Insert<TestInfo>().AppendData(new TestInfo { Title = "Title" + DateTime.Now.ToString("yyyyMMddHHmmss"), CreateTime = DateTime.Now, TypeGuid = (int)testpid1 }).ExecuteAffrows();
 
+            var fkfjfj = select.GroupBy(a => a.Title)
+                .ToList(a => a.Sum(a.Value.TypeGuid));
+
             var aggsql1 = select
                 .GroupBy(a => a.Title)
                 .ToSql(b => new
diff --git a/FreeSql.Tests/FreeSql.Tests/MySql/Curd/MySqlUpdateTest.cs b/FreeSql.Tests/FreeSql.Tests/MySql/Curd/MySqlUpdateTest.cs
index ebcf418c..95aae673 100644
--- a/FreeSql.Tests/FreeSql.Tests/MySql/Curd/MySqlUpdateTest.cs
+++ b/FreeSql.Tests/FreeSql.Tests/MySql/Curd/MySqlUpdateTest.cs
@@ -129,6 +129,10 @@ namespace FreeSql.Tests.MySql
             sql = update.Set(a => a.Clicks == a.Clicks * 10 / 1).Where(a => a.Id == 1).ToSql().Replace("\r\n", "");
             Assert.Equal("UPDATE `tb_topic` SET `Clicks` = `Clicks` * 10 div 1 WHERE (`Id` = 1)", sql);
 
+            var dt2000 = DateTime.Parse("2000-01-01");
+            sql = update.Set(a => a.Clicks == (a.CreateTime > dt2000 ? 1 : 2)).Where(a => a.Id == 1).ToSql().Replace("\r\n", "");
+            Assert.Equal("UPDATE `tb_topic` SET `Clicks` = case when `CreateTime` > '2000-01-01 00:00:00.000' then 1 else 2 end WHERE (`Id` = 1)", sql);
+
             sql = update.Set(a => a.Id == 10).Where(a => a.Id == 1).ToSql().Replace("\r\n", "");
             Assert.Equal("UPDATE `tb_topic` SET `Id` = 10 WHERE (`Id` = 1)", sql);
 
diff --git a/FreeSql.Tests/FreeSql.Tests/Oracle/Curd/OracleSelectTest.cs b/FreeSql.Tests/FreeSql.Tests/Oracle/Curd/OracleSelectTest.cs
index 39c678ba..942fb81f 100644
--- a/FreeSql.Tests/FreeSql.Tests/Oracle/Curd/OracleSelectTest.cs
+++ b/FreeSql.Tests/FreeSql.Tests/Oracle/Curd/OracleSelectTest.cs
@@ -146,6 +146,19 @@ namespace FreeSql.Tests.Oracle
             public string name { get; set; } //这是join表的属性
             public int ParentId { get; set; } //这是join表的属性
         }
+        class TestDto2
+        {
+            public int id { get; set; }
+            public string name { get; set; } //这是join表的属性
+            public int ParentId { get; set; } //这是join表的属性
+
+            public TestDto2() { }
+            public TestDto2(int id, string name)
+            {
+                this.id = id;
+                this.name = name;
+            }
+        }
         [Fact]
         public void ToList()
         {
@@ -160,6 +173,18 @@ namespace FreeSql.Tests.Oracle
             var testDto33 = select.LeftJoin(a => a.Type.Guid == a.TypeGuid).Limit(10).ToList(a => new TestDto { });
             var testDto44 = select.LeftJoin(a => a.Type.Guid == a.TypeGuid).Limit(10).ToList(a => new TestDto() { });
 
+            var testDto211 = select.Limit(10).ToList(a => new TestDto2(a.Id, a.Title));
+            var testDto212 = select.Limit(10).ToList(a => new TestDto2());
+            var testDto213 = select.Limit(10).ToList(a => new TestDto2 { });
+            var testDto214 = select.Limit(10).ToList(a => new TestDto2() { });
+            var testDto215 = select.Limit(10).ToList<TestDto2>();
+
+            var testDto2211 = select.LeftJoin(a => a.Type.Guid == a.TypeGuid).Limit(10).ToList(a => new TestDto2(a.Id, a.Title));
+            var testDto2222 = select.LeftJoin(a => a.Type.Guid == a.TypeGuid).Limit(10).ToList(a => new TestDto2());
+            var testDto2233 = select.LeftJoin(a => a.Type.Guid == a.TypeGuid).Limit(10).ToList(a => new TestDto2 { });
+            var testDto2244 = select.LeftJoin(a => a.Type.Guid == a.TypeGuid).Limit(10).ToList(a => new TestDto2() { });
+            var testDto2255 = select.LeftJoin(a => a.Type.Guid == a.TypeGuid).Limit(10).ToList<TestDto2>();
+
             g.oracle.Insert<TestGuidIdToList>().AppendData(new TestGuidIdToList()).ExecuteAffrows();
             var testGuidId5 = g.oracle.Select<TestGuidIdToList>().ToList();
             var testGuidId6 = g.oracle.Select<TestGuidIdToList>().ToList(a => a.id);
@@ -662,6 +687,9 @@ namespace FreeSql.Tests.Oracle
             var testpid1 = g.oracle.Insert<TestTypeInfo>().AppendData(new TestTypeInfo { Name = "Name" + DateTime.Now.ToString("yyyyMMddHHmmss") }).ExecuteIdentity();
             g.oracle.Insert<TestInfo>().AppendData(new TestInfo { Title = "Title" + DateTime.Now.ToString("yyyyMMddHHmmss"), CreateTime = DateTime.Now, TypeGuid = (int)testpid1 }).ExecuteAffrows();
 
+            var fkfjfj = select.GroupBy(a => a.Title)
+                .ToList(a => a.Sum(a.Value.TypeGuid));
+
             var aggsql1 = select
                 .GroupBy(a => a.Title)
                 .ToSql(b => new
diff --git a/FreeSql.Tests/FreeSql.Tests/Oracle/Curd/OracleUpdateTest.cs b/FreeSql.Tests/FreeSql.Tests/Oracle/Curd/OracleUpdateTest.cs
index 4d83817d..0df27fb9 100644
--- a/FreeSql.Tests/FreeSql.Tests/Oracle/Curd/OracleUpdateTest.cs
+++ b/FreeSql.Tests/FreeSql.Tests/Oracle/Curd/OracleUpdateTest.cs
@@ -86,6 +86,10 @@ namespace FreeSql.Tests.Oracle
             sql = update.Set(a => a.Clicks == a.Clicks * 10 / 1).Where(a => a.Id == 1).ToSql().Replace("\r\n", "");
             Assert.Equal("UPDATE \"TB_TOPIC\" SET \"CLICKS\" = trunc(\"CLICKS\" * 10 / 1) WHERE (\"ID\" = 1)", sql);
 
+            var dt2000 = DateTime.Parse("2000-01-01");
+            sql = update.Set(a => a.Clicks == (a.CreateTime > dt2000 ? 1 : 2)).Where(a => a.Id == 1).ToSql().Replace("\r\n", "");
+            Assert.Equal("UPDATE \"TB_TOPIC\" SET \"CLICKS\" = case when \"CREATETIME\" > to_timestamp('2000-01-01 00:00:00.000000','YYYY-MM-DD HH24:MI:SS.FF6') then 1 else 2 end WHERE (\"ID\" = 1)", sql);
+
             sql = update.Set(a => a.Id == 10).Where(a => a.Id == 1).ToSql().Replace("\r\n", "");
             Assert.Equal("UPDATE \"TB_TOPIC\" SET \"ID\" = 10 WHERE (\"ID\" = 1)", sql);
         }
diff --git a/FreeSql.Tests/FreeSql.Tests/PostgreSQL/Curd/PostgreSQLSelectTest.cs b/FreeSql.Tests/FreeSql.Tests/PostgreSQL/Curd/PostgreSQLSelectTest.cs
index 117aa2f8..75ffdfa5 100644
--- a/FreeSql.Tests/FreeSql.Tests/PostgreSQL/Curd/PostgreSQLSelectTest.cs
+++ b/FreeSql.Tests/FreeSql.Tests/PostgreSQL/Curd/PostgreSQLSelectTest.cs
@@ -136,6 +136,19 @@ namespace FreeSql.Tests.PostgreSQL
             public string name { get; set; } //这是join表的属性
             public int ParentId { get; set; } //这是join表的属性
         }
+        class TestDto2
+        {
+            public int id { get; set; }
+            public string name { get; set; } //这是join表的属性
+            public int ParentId { get; set; } //这是join表的属性
+
+            public TestDto2() { }
+            public TestDto2(int id, string name)
+            {
+                this.id = id;
+                this.name = name;
+            }
+        }
         [Fact]
         public void ToList()
         {
@@ -150,6 +163,17 @@ namespace FreeSql.Tests.PostgreSQL
             var testDto33 = select.LeftJoin(a => a.Type.Guid == a.TypeGuid).Limit(10).ToList(a => new TestDto { });
             var testDto44 = select.LeftJoin(a => a.Type.Guid == a.TypeGuid).Limit(10).ToList(a => new TestDto() { });
 
+            var testDto211 = select.Limit(10).ToList(a => new TestDto2(a.Id, a.Title));
+            var testDto212 = select.Limit(10).ToList(a => new TestDto2());
+            var testDto213 = select.Limit(10).ToList(a => new TestDto2 { });
+            var testDto214 = select.Limit(10).ToList(a => new TestDto2() { });
+            var testDto215 = select.Limit(10).ToList<TestDto2>();
+
+            var testDto2211 = select.LeftJoin(a => a.Type.Guid == a.TypeGuid).Limit(10).ToList(a => new TestDto2(a.Id, a.Title));
+            var testDto2222 = select.LeftJoin(a => a.Type.Guid == a.TypeGuid).Limit(10).ToList(a => new TestDto2());
+            var testDto2233 = select.LeftJoin(a => a.Type.Guid == a.TypeGuid).Limit(10).ToList(a => new TestDto2 { });
+            var testDto2244 = select.LeftJoin(a => a.Type.Guid == a.TypeGuid).Limit(10).ToList(a => new TestDto2() { });
+            var testDto2255 = select.LeftJoin(a => a.Type.Guid == a.TypeGuid).Limit(10).ToList<TestDto2>();
 
             var t1 = g.pgsql.Select<TestInfo>().Where("").Where(a => a.Id > 0).Skip(100).Limit(200).ToSql();
             var t2 = g.pgsql.Select<TestInfo>().As("b").Where("").Where(a => a.Id > 0).Skip(100).Limit(200).ToSql();
@@ -741,6 +765,9 @@ namespace FreeSql.Tests.PostgreSQL
             var testpid1 = g.pgsql.Insert<TestTypeInfo>().AppendData(new TestTypeInfo { Name = "Name" + DateTime.Now.ToString("yyyyMMddHHmmss") }).ExecuteIdentity();
             g.pgsql.Insert<TestInfo>().AppendData(new TestInfo { Title = "Title" + DateTime.Now.ToString("yyyyMMddHHmmss"), CreateTime = DateTime.Now, TypeGuid = (int)testpid1 }).ExecuteAffrows();
 
+            var fkfjfj = select.GroupBy(a => a.Title)
+                .ToList(a => a.Sum(a.Value.TypeGuid));
+
             var aggsql1 = select
                 .GroupBy(a => a.Title)
                 .ToSql(b => new
diff --git a/FreeSql.Tests/FreeSql.Tests/PostgreSQL/Curd/PostgreSQLUpdateTest.cs b/FreeSql.Tests/FreeSql.Tests/PostgreSQL/Curd/PostgreSQLUpdateTest.cs
index 6d10bf81..d13cd12c 100644
--- a/FreeSql.Tests/FreeSql.Tests/PostgreSQL/Curd/PostgreSQLUpdateTest.cs
+++ b/FreeSql.Tests/FreeSql.Tests/PostgreSQL/Curd/PostgreSQLUpdateTest.cs
@@ -87,6 +87,10 @@ namespace FreeSql.Tests.PostgreSQL
             sql = update.Set(a => a.Clicks == a.Clicks * 10 / 1).Where(a => a.Id == 1).ToSql().Replace("\r\n", "");
             Assert.Equal("UPDATE \"tb_topic\" SET \"clicks\" = \"clicks\" * 10 / 1 WHERE (\"id\" = 1)", sql);
 
+            var dt2000 = DateTime.Parse("2000-01-01");
+            sql = update.Set(a => a.Clicks == (a.CreateTime > dt2000 ? 1 : 2)).Where(a => a.Id == 1).ToSql().Replace("\r\n", "");
+            Assert.Equal("UPDATE \"tb_topic\" SET \"clicks\" = case when \"createtime\" > '2000-01-01 00:00:00.000000' then 1 else 2 end WHERE (\"id\" = 1)", sql);
+
             sql = update.Set(a => a.Id == 10).Where(a => a.Id == 1).ToSql().Replace("\r\n", "");
             Assert.Equal("UPDATE \"tb_topic\" SET \"id\" = 10 WHERE (\"id\" = 1)", sql);
         }
diff --git a/FreeSql.Tests/FreeSql.Tests/SqlServer/Curd/SqlServerSelectTest.cs b/FreeSql.Tests/FreeSql.Tests/SqlServer/Curd/SqlServerSelectTest.cs
index ddcfa963..8ebffb14 100644
--- a/FreeSql.Tests/FreeSql.Tests/SqlServer/Curd/SqlServerSelectTest.cs
+++ b/FreeSql.Tests/FreeSql.Tests/SqlServer/Curd/SqlServerSelectTest.cs
@@ -147,6 +147,19 @@ namespace FreeSql.Tests.SqlServer
             public string name { get; set; } //这是join表的属性
             public int ParentId { get; set; } //这是join表的属性
         }
+        class TestDto2
+        {
+            public int id { get; set; }
+            public string name { get; set; } //这是join表的属性
+            public int ParentId { get; set; } //这是join表的属性
+
+            public TestDto2() { }
+            public TestDto2(int id, string name)
+            {
+                this.id = id;
+                this.name = name;
+            }
+        }
         [Fact]
         public void ToList()
         {
@@ -160,6 +173,18 @@ namespace FreeSql.Tests.SqlServer
             var testDto33 = select.LeftJoin(a => a.Type.Guid == a.TypeGuid).Limit(10).ToList(a => new TestDto { });
             var testDto44 = select.LeftJoin(a => a.Type.Guid == a.TypeGuid).Limit(10).ToList(a => new TestDto() { });
 
+            var testDto211 = select.Limit(10).ToList(a => new TestDto2(a.Id, a.Title));
+            var testDto212 = select.Limit(10).ToList(a => new TestDto2());
+            var testDto213 = select.Limit(10).ToList(a => new TestDto2 { });
+            var testDto214 = select.Limit(10).ToList(a => new TestDto2() { });
+            var testDto215 = select.Limit(10).ToList<TestDto2>();
+
+            var testDto2211 = select.LeftJoin(a => a.Type.Guid == a.TypeGuid).Limit(10).ToList(a => new TestDto2(a.Id, a.Title));
+            var testDto2222 = select.LeftJoin(a => a.Type.Guid == a.TypeGuid).Limit(10).ToList(a => new TestDto2());
+            var testDto2233 = select.LeftJoin(a => a.Type.Guid == a.TypeGuid).Limit(10).ToList(a => new TestDto2 { });
+            var testDto2244 = select.LeftJoin(a => a.Type.Guid == a.TypeGuid).Limit(10).ToList(a => new TestDto2() { });
+            var testDto2255 = select.LeftJoin(a => a.Type.Guid == a.TypeGuid).Limit(10).ToList<TestDto2>();
+
             g.sqlserver.Insert<TestGuidIdToList>().AppendData(new TestGuidIdToList()).ExecuteAffrows();
             var testGuidId5 = g.sqlserver.Select<TestGuidIdToList>().ToList();
             var testGuidId6 = g.sqlserver.Select<TestGuidIdToList>().ToList(a => a.id);
@@ -666,6 +691,9 @@ namespace FreeSql.Tests.SqlServer
             var testpid1 = g.sqlserver.Insert<TestTypeInfo>().AppendData(new TestTypeInfo { Name = "Name" + DateTime.Now.ToString("yyyyMMddHHmmss") }).ExecuteIdentity();
             g.sqlserver.Insert<TestInfo>().AppendData(new TestInfo { Title = "Title" + DateTime.Now.ToString("yyyyMMddHHmmss"), CreateTime = DateTime.Now, TypeGuid = (int)testpid1 }).ExecuteAffrows();
 
+            var fkfjfj = select.GroupBy(a => a.Title)
+                .ToList(a => a.Sum(a.Value.TypeGuid));
+
             var aggsql1 = select
                 .GroupBy(a => a.Title)
                 .ToSql(b => new
diff --git a/FreeSql.Tests/FreeSql.Tests/SqlServer/Curd/SqlServerUpdateTest.cs b/FreeSql.Tests/FreeSql.Tests/SqlServer/Curd/SqlServerUpdateTest.cs
index ad22de5e..4528a7ee 100644
--- a/FreeSql.Tests/FreeSql.Tests/SqlServer/Curd/SqlServerUpdateTest.cs
+++ b/FreeSql.Tests/FreeSql.Tests/SqlServer/Curd/SqlServerUpdateTest.cs
@@ -98,6 +98,10 @@ namespace FreeSql.Tests.SqlServer
             sql = update.Set(a => a.Clicks == a.Clicks * 10 / 1).Where(a => a.Id == 1).ToSql().Replace("\r\n", "");
             Assert.Equal("UPDATE [tb_topic] SET [Clicks] = [Clicks] * 10 / 1 WHERE ([Id] = 1)", sql);
 
+            var dt2000 = DateTime.Parse("2000-01-01");
+            sql = update.Set(a => a.Clicks == (a.CreateTime > dt2000 ? 1 : 2)).Where(a => a.Id == 1).ToSql().Replace("\r\n", "");
+            Assert.Equal("UPDATE [tb_topic] SET [Clicks] = case when [CreateTime] > '2000-01-01 00:00:00.000' then 1 else 2 end WHERE ([Id] = 1)", sql);
+
             sql = update.Set(a => a.Id == 10).Where(a => a.Id == 1).ToSql().Replace("\r\n", "");
             Assert.Equal("UPDATE [tb_topic] SET [Id] = 10 WHERE ([Id] = 1)", sql);
         }
diff --git a/FreeSql.Tests/FreeSql.Tests/Sqlite/Curd/SqliteSelectTest.cs b/FreeSql.Tests/FreeSql.Tests/Sqlite/Curd/SqliteSelectTest.cs
index 657caa7d..5d138880 100644
--- a/FreeSql.Tests/FreeSql.Tests/Sqlite/Curd/SqliteSelectTest.cs
+++ b/FreeSql.Tests/FreeSql.Tests/Sqlite/Curd/SqliteSelectTest.cs
@@ -146,6 +146,19 @@ namespace FreeSql.Tests.Sqlite
 
             public TestDtoLeftJoin Obj { get; set; }
         }
+        class TestDto2
+        {
+            public int id { get; set; }
+            public string name { get; set; } //这是join表的属性
+            public int ParentId { get; set; } //这是join表的属性
+
+            public TestDto2() { }
+            public TestDto2(int id, string name)
+            {
+                this.id = id;
+                this.name = name;
+            }
+        }
         class TestDtoLeftJoin
         {
             [Column(IsPrimary = true)]
@@ -177,6 +190,18 @@ namespace FreeSql.Tests.Sqlite
             var testDto33 = select.LeftJoin<TestDtoLeftJoin>((a, b) => b.Guid == a.TypeGuid).Limit(10).ToList(a => new TestDto { });
             var testDto44 = select.LeftJoin<TestDtoLeftJoin>((a, b) => b.Guid == a.TypeGuid).Limit(10).ToList(a => new TestDto() { });
 
+            var testDto211 = select.Limit(10).ToList(a => new TestDto2(a.Id, a.Title));
+            var testDto212 = select.Limit(10).ToList(a => new TestDto2());
+            var testDto213 = select.Limit(10).ToList(a => new TestDto2 { });
+            var testDto214 = select.Limit(10).ToList(a => new TestDto2() { });
+            var testDto215 = select.Limit(10).ToList<TestDto2>();
+
+            var testDto2211 = select.LeftJoin(a => a.Type.Guid == a.TypeGuid).Limit(10).ToList(a => new TestDto2(a.Id, a.Title));
+            var testDto2222 = select.LeftJoin(a => a.Type.Guid == a.TypeGuid).Limit(10).ToList(a => new TestDto2());
+            var testDto2233 = select.LeftJoin(a => a.Type.Guid == a.TypeGuid).Limit(10).ToList(a => new TestDto2 { });
+            var testDto2244 = select.LeftJoin(a => a.Type.Guid == a.TypeGuid).Limit(10).ToList(a => new TestDto2() { });
+            var testDto2255 = select.LeftJoin(a => a.Type.Guid == a.TypeGuid).Limit(10).ToList<TestDto2>();
+
             g.sqlite.Insert<TestGuidIdToList>().AppendData(new TestGuidIdToList()).ExecuteAffrows();
             var testGuidId5 = g.sqlite.Select<TestGuidIdToList>().ToList();
             var testGuidId6 = g.sqlite.Select<TestGuidIdToList>().ToList(a => a.id);
@@ -615,6 +640,9 @@ namespace FreeSql.Tests.Sqlite
             var testpid1 = g.sqlite.Insert<TestTypeInfo>().AppendData(new TestTypeInfo { Name = "Name" + DateTime.Now.ToString("yyyyMMddHHmmss") }).ExecuteIdentity();
             g.sqlite.Insert<TestInfo>().AppendData(new TestInfo { Title = "Title" + DateTime.Now.ToString("yyyyMMddHHmmss"), CreateTime = DateTime.Now, TypeGuid = (int)testpid1 }).ExecuteAffrows();
 
+            var fkfjfj = select.GroupBy(a => a.Title)
+                .ToList(a => a.Sum(a.Value.TypeGuid));
+
             var aggsql1 = select
                 .GroupBy(a => a.Title)
                 .ToSql(b => new
diff --git a/FreeSql.Tests/FreeSql.Tests/Sqlite/Curd/SqliteUpdateTest.cs b/FreeSql.Tests/FreeSql.Tests/Sqlite/Curd/SqliteUpdateTest.cs
index b752651c..d77cac96 100644
--- a/FreeSql.Tests/FreeSql.Tests/Sqlite/Curd/SqliteUpdateTest.cs
+++ b/FreeSql.Tests/FreeSql.Tests/Sqlite/Curd/SqliteUpdateTest.cs
@@ -91,6 +91,10 @@ namespace FreeSql.Tests.Sqlite
             sql = update.Set(a => a.Clicks == a.Clicks * 10 / 1).Where(a => a.Id == 1).ToSql().Replace("\r\n", "");
             Assert.Equal("UPDATE \"tb_topic\" SET \"Clicks\" = \"Clicks\" * 10 / 1 WHERE (\"Id\" = 1)", sql);
 
+            var dt2000 = DateTime.Parse("2000-01-01");
+            sql = update.Set(a => a.Clicks == (a.CreateTime > dt2000 ? 1 : 2)).Where(a => a.Id == 1).ToSql().Replace("\r\n", "");
+            Assert.Equal("UPDATE \"tb_topic\" SET \"Clicks\" = case when \"CreateTime\" > '2000-01-01 00:00:00' then 1 else 2 end WHERE (\"Id\" = 1)", sql);
+
             sql = update.Set(a => a.Id == 10).Where(a => a.Id == 1).ToSql().Replace("\r\n", "");
             Assert.Equal("UPDATE \"tb_topic\" SET \"Id\" = 10 WHERE (\"Id\" = 1)", sql);
         }
diff --git a/FreeSql.Tests/FreeSql.Tests/UnitTest1.cs b/FreeSql.Tests/FreeSql.Tests/UnitTest1.cs
index 750f4948..c952897c 100644
--- a/FreeSql.Tests/FreeSql.Tests/UnitTest1.cs
+++ b/FreeSql.Tests/FreeSql.Tests/UnitTest1.cs
@@ -698,7 +698,7 @@ namespace FreeSql.Tests
                  .ToSql(a => new NewsArticleDto
                  {
                      ArticleTitle = a.Key,
-                      ChannelId = a.Sum(a.Value.Item1.OptionsEntity04)
+                      ChannelId = (int)a.Sum(a.Value.Item1.OptionsEntity04)
                  });
 
             var testgrpsql2 = g.sqlite.Select<TaskBuild>()
diff --git a/FreeSql/Interface/Curd/ISelect/ISelectGrouping.cs b/FreeSql/Interface/Curd/ISelect/ISelectGrouping.cs
index 46c5a92c..bcd93fe9 100644
--- a/FreeSql/Interface/Curd/ISelect/ISelectGrouping.cs
+++ b/FreeSql/Interface/Curd/ISelect/ISelectGrouping.cs
@@ -127,14 +127,14 @@ namespace FreeSql
         /// <typeparam name="T3"></typeparam>
         /// <param name="column"></param>
         /// <returns></returns>
-        T3 Sum<T3>(T3 column);
+        decimal Sum<T3>(T3 column);
         /// <summary>
         /// 平均值
         /// </summary>
         /// <typeparam name="T3"></typeparam>
         /// <param name="column"></param>
         /// <returns></returns>
-        T3 Avg<T3>(T3 column);
+        decimal Avg<T3>(T3 column);
         /// <summary>
         /// 最大值
         /// </summary>
diff --git a/FreeSql/Internal/CommonExpression.cs b/FreeSql/Internal/CommonExpression.cs
index 9cbfdf81..7abfdcab 100644
--- a/FreeSql/Internal/CommonExpression.cs
+++ b/FreeSql/Internal/CommonExpression.cs
@@ -124,7 +124,7 @@ namespace FreeSql.Internal
                             var child = new ReadAnonymousTypeInfo
                             {
                                 Property = null,
-                                CsName = (initExp.NewExpression.Arguments[a] as MemberExpression)?.Member.Name,
+                                CsName = initExp.NewExpression.Members != null ? initExp.NewExpression.Members[a].Name : (initExp.NewExpression.Arguments[a] as MemberExpression)?.Member.Name,
                                 CsType = initExp.NewExpression.Arguments[a].Type,
                                 MapType = initExp.NewExpression.Arguments[a].Type
                             };
@@ -206,7 +206,7 @@ namespace FreeSql.Internal
                             var child = new ReadAnonymousTypeInfo
                             {
                                 Property = null,
-                                CsName = (newExp.Arguments[a] as MemberExpression)?.Member.Name,
+                                CsName = newExp.Members != null ? newExp.Members[a].Name : (newExp.Arguments[a] as MemberExpression)?.Member.Name,
                                 CsType = newExp.Arguments[a].Type,
                                 MapType = newExp.Arguments[a].Type
                             };
diff --git a/FreeSql/Internal/CommonProvider/SelectProvider/SelectGroupingProvider.cs b/FreeSql/Internal/CommonProvider/SelectProvider/SelectGroupingProvider.cs
index 3bd15b46..3e589e0a 100644
--- a/FreeSql/Internal/CommonProvider/SelectProvider/SelectGroupingProvider.cs
+++ b/FreeSql/Internal/CommonProvider/SelectProvider/SelectGroupingProvider.cs
@@ -114,6 +114,7 @@ namespace FreeSql.Internal.CommonProvider
             var index = 0;
 
             _comonExp.ReadAnonymousField(null, field, map, ref index, select, getSelectGroupingMapString, null, true);
+            if (map.Childs.Any() == false && map.MapType == null) map.MapType = typeof(TReturn);
             var method = _select.GetType().GetMethod("ToListMapReader", BindingFlags.Instance | BindingFlags.NonPublic);
             method = method.MakeGenericMethod(typeof(TReturn));
             return method.Invoke(_select, new object[] { (map, field.Length > 0 ? field.Remove(0, 2).ToString() : null) }) as List<TReturn>;
@@ -181,6 +182,7 @@ namespace FreeSql.Internal.CommonProvider
             var index = 0;
 
             _comonExp.ReadAnonymousField(null, field, map, ref index, select, getSelectGroupingMapString, null, true);
+            if (map.Childs.Any() == false && map.MapType == null) map.MapType = typeof(TReturn);
             var method = _select.GetType().GetMethod("ToListMapReaderAsync", BindingFlags.Instance | BindingFlags.NonPublic);
             method = method.MakeGenericMethod(typeof(TReturn));
             return method.Invoke(_select, new object[] { (map, field.Length > 0 ? field.Remove(0, 2).ToString() : null) }) as Task<List<TReturn>>;
diff --git a/FreeSql/Internal/CommonProvider/UpdateProvider.cs b/FreeSql/Internal/CommonProvider/UpdateProvider.cs
index ceb83026..141abdd9 100644
--- a/FreeSql/Internal/CommonProvider/UpdateProvider.cs
+++ b/FreeSql/Internal/CommonProvider/UpdateProvider.cs
@@ -363,7 +363,9 @@ namespace FreeSql.Internal.CommonProvider
             switch (nodeType)
             {
                 case ExpressionType.Equal:
-                    _set.Append(", ").Append(_commonExpression.ExpressionWhereLambdaNoneForeignObject(null, _table, null, exp, null, null));
+                    var equalBinaryExp = body as BinaryExpression;
+                    _set.Append(", ").Append(_commonExpression.ExpressionWhereLambdaNoneForeignObject(null, _table, null, equalBinaryExp.Left, null, null))
+                        .Append(" = ").Append(_commonExpression.ExpressionWhereLambdaNoneForeignObject(null, _table, null, equalBinaryExp.Right, null, null));
                     return this;
                 case ExpressionType.MemberInit:
                     var initExp = body as MemberInitExpression;
diff --git a/Providers/FreeSql.Provider.Sqlite/SqliteCodeFirst.cs b/Providers/FreeSql.Provider.Sqlite/SqliteCodeFirst.cs
index 4806504c..91a72326 100644
--- a/Providers/FreeSql.Provider.Sqlite/SqliteCodeFirst.cs
+++ b/Providers/FreeSql.Provider.Sqlite/SqliteCodeFirst.cs
@@ -160,7 +160,7 @@ namespace FreeSql.Sqlite
                 //对比字段，只可以修改类型、增加字段、有限的修改字段名；保证安全不删除字段
                 var tbtmp = tboldname ?? tbname;
                 var dsql = _orm.Ado.ExecuteScalar(CommandType.Text, $" select sql from {tbtmp[0]}.sqlite_master where type='table' and name='{tbtmp[1]}'")?.ToString();
-                var ds = _orm.Ado.ExecuteArray(CommandType.Text, $"PRAGMA {_commonUtils.QuoteSqlName(tbtmp[0])}.table_info({_commonUtils.QuoteSqlName(tbtmp[1])})");
+                var ds = _orm.Ado.ExecuteArray(CommandType.Text, $"PRAGMA {_commonUtils.QuoteSqlName(tbtmp[0])}.table_info(\"{tbtmp[1]}\")");
                 var tbstruct = ds.ToDictionary(a => string.Concat(a[1]), a =>
                 {
                     var is_identity = false;
@@ -202,7 +202,7 @@ namespace FreeSql.Sqlite
                         istmpatler = true;
                     }
                     var dsuk = new List<string[]>();
-                    var dbIndexes = _orm.Ado.ExecuteArray(CommandType.Text, $"PRAGMA {_commonUtils.QuoteSqlName(tbtmp[0])}.INDEX_LIST({_commonUtils.QuoteSqlName(tbtmp[1])})");
+                    var dbIndexes = _orm.Ado.ExecuteArray(CommandType.Text, $"PRAGMA {_commonUtils.QuoteSqlName(tbtmp[0])}.INDEX_LIST(\"{tbtmp[1]}\")");
                     foreach (var dbIndex in dbIndexes)
                     {
                         if (string.Concat(dbIndex[3]) == "pk") continue;
diff --git a/readme.md b/readme.md
index 89a25fba..23027015 100644
--- a/readme.md
+++ b/readme.md
@@ -279,6 +279,7 @@ Elapsed: 00:00:00.6495301; Query Entity Counts: 131072; ORM: Dapper
 深圳|凉茶、
 [densen2014](https://github.com/densen2014)、
 [LiaoLiaoWuJu](https://github.com/LiaoLiaoWuJu)、
-[hd2y](https://github.com/hd2y)
+[hd2y](https://github.com/hd2y)、
+[tky753](https://github.com/tky753)
 
 （QQ群：4336577）
\ No newline at end of file