diff --git a/Examples/base_entity/Program.cs b/Examples/base_entity/Program.cs
index e0a59735..2cf63e12 100644
--- a/Examples/base_entity/Program.cs
+++ b/Examples/base_entity/Program.cs
@@ -465,6 +465,16 @@ namespace base_entity
             public string Name { get; set; }
             public Point Center { get; set; }
         }
+        public abstract class BaseEntity2
+        {
+            [Column(IsPrimary = true, IsIdentity = true)]
+            public long Id { get; set; }
+        }
+
+        public class Student : BaseEntity2
+        {
+            public string Name { get; set; }
+        }
 
         static void Main(string[] args)
         {
@@ -526,7 +536,7 @@ namespace base_entity
 
                 .UseConnectionString(FreeSql.DataType.SqlServer, "Data Source=.;Integrated Security=True;Initial Catalog=freesqlTest;Pooling=true;Max Pool Size=3;TrustServerCertificate=true")
 
-                .UseConnectionString(FreeSql.DataType.PostgreSQL, "Host=192.168.164.10;Port=5432;Username=postgres;Password=123456;Database=tedb;Pooling=true;Maximum Pool Size=2")
+                //.UseConnectionString(FreeSql.DataType.PostgreSQL, "Host=192.168.164.10;Port=5432;Username=postgres;Password=123456;Database=tedb;Pooling=true;Maximum Pool Size=2")
                 //.UseConnectionString(FreeSql.DataType.PostgreSQL, "Host=192.168.164.10;Port=5432;Username=postgres;Password=123456;Database=toc;Pooling=true;Maximum Pool Size=2")
                 //.UseNameConvert(FreeSql.Internal.NameConvertType.ToLower)
 
@@ -560,6 +570,26 @@ namespace base_entity
             #endregion
             fsql.UseJsonMap();
 
+            var type = typeof(Student);
+
+            var sw111 = fsql.Queryable<object>()
+                .AsType(type)
+                .Where(s => (s as BaseEntity2).Id == 1)
+                .ToSql();
+
+            Console.WriteLine(sw111);
+
+            var testsql01 =  fsql.Select<User1>()
+                //.GroupBy(a => new { a.Avatar, a.GroupId })
+                //.Having(g => g.Sum(g.Value.Sort) > 0)
+                .WithTempQuery(a => new
+                {
+                    a.Avatar, a.GroupId, sum1 = SqlExt.Sum(a.Sort).ToValue()
+                })
+                .Where(a => a.sum1 > 0)
+                .ToSql();
+
+
             fsql.Aop.ParseExpression += (_, e) =>
             {
                 if (fsql.Ado.DataType == DataType.PostgreSQL)
diff --git a/FreeSql.DbContext/FreeSql.DbContext.xml b/FreeSql.DbContext/FreeSql.DbContext.xml
index 26522f10..537315e2 100644
--- a/FreeSql.DbContext/FreeSql.DbContext.xml
+++ b/FreeSql.DbContext/FreeSql.DbContext.xml
@@ -800,14 +800,5 @@
             <param name="that"></param>
             <returns></returns>
         </member>
-        <member name="M:Microsoft.Extensions.DependencyInjection.FreeSqlRepositoryDependencyInjection.AddFreeRepository(Microsoft.Extensions.DependencyInjection.IServiceCollection,System.Action{FreeSql.FluentDataFilter},System.Reflection.Assembly[])">
-            <summary>
-            批量注入 Repository，可以参考代码自行调整
-            </summary>
-            <param name="services"></param>
-            <param name="globalDataFilter"></param>
-            <param name="assemblies"></param>
-            <returns></returns>
-        </member>
     </members>
 </doc>
diff --git a/FreeSql/Internal/CommonExpression.cs b/FreeSql/Internal/CommonExpression.cs
index af38d602..ba4ded16 100644
--- a/FreeSql/Internal/CommonExpression.cs
+++ b/FreeSql/Internal/CommonExpression.cs
@@ -1723,6 +1723,8 @@ namespace FreeSql.Internal
                                         expStack.Push(oper2Parm);
                                     else if (oper2Parm.Type != typeof(object) && oper2Parm.Type.IsAssignableFrom(exp2.Type))
                                         expStack.Push(oper2Parm);
+                                    else if (oper2Parm.Type == typeof(object) && tsc._tables[0].Table != null && exp2.Type.IsAssignableFrom(tsc._tables[0].Table.Type) == true)
+                                        expStack.Push(oper2Parm);
                                     else
                                         expStack.Push(Expression.Parameter(exp2.Type, oper2Parm.Name));
                                 }