diff --git a/FreeSql.DbContext/FreeSql.DbContext.xml b/FreeSql.DbContext/FreeSql.DbContext.xml
index 594fbad32..26522f106 100644
--- a/FreeSql.DbContext/FreeSql.DbContext.xml
+++ b/FreeSql.DbContext/FreeSql.DbContext.xml
@@ -733,6 +733,15 @@
             <param name="modelBuilder"></param>
             <returns></returns>
         </member>
+        <member name="M:FreeSqlDbContextExtensions.ApplyConfigurationsFromAssembly(FreeSql.ICodeFirst,System.Reflection.Assembly,System.Func{System.Type,System.Boolean})">
+            <summary>
+            根据Assembly扫描所有继承IEntityTypeConfiguration&lt;T&gt;的配置类
+            </summary>
+            <param name="codeFirst"></param>
+            <param name="assembly"></param>
+            <param name="predicate"></param>
+            <returns></returns>
+        </member>
         <member name="M:FreeSqlDbContextExtensions.CreateDbContext(IFreeSql)">
             <summary>
             创建普通数据上下文档对象
@@ -791,5 +800,14 @@
             <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.Tests/FreeSql.Tests/PostgreSQL/PgArrayToMany/LazyLoadingNotFundTest.cs b/FreeSql.Tests/FreeSql.Tests/PostgreSQL/PgArrayToMany/LazyLoadingNotFundTest.cs
index 1bded85f6..ea5d23415 100644
--- a/FreeSql.Tests/FreeSql.Tests/PostgreSQL/PgArrayToMany/LazyLoadingNotFundTest.cs
+++ b/FreeSql.Tests/FreeSql.Tests/PostgreSQL/PgArrayToMany/LazyLoadingNotFundTest.cs
@@ -63,8 +63,8 @@ namespace FreeSql.Tests.PostgreSQL.PgArrayToMany
             Assert.Equal(@"SELECT a.""userid"", a.""roleids"", a.""username"" 
 FROM ""pgarray_tomany_user_lazyloading_notfound"" a 
 WHERE (exists(SELECT 1 
-    FROM ""pgarray_tomany_role_lazyloading_notfound"" b 
-    WHERE (a.""roleids"" @> ARRAY[b.""roleid""]::int4[]) AND (b.""rolename"" = 'role1') 
+    FROM ""pgarray_tomany_role_lazyloading_notfound"" sub_b 
+    WHERE (a.""roleids"" @> ARRAY[sub_b.""roleid""]::int4[]) AND (sub_b.""rolename"" = 'role1') 
     limit 1))", users5Select.ToSql());
             var users5 = users5Select.ToList();
             Assert.Equal(4, users5.Count);
@@ -82,8 +82,8 @@ WHERE (exists(SELECT 1
             Assert.Equal(@"SELECT a.""roleid"", a.""rolename"" 
 FROM ""pgarray_tomany_role_lazyloading_notfound"" a 
 WHERE (exists(SELECT 1 
-    FROM ""pgarray_tomany_user_lazyloading_notfound"" b 
-    WHERE (b.""roleids"" @> ARRAY[a.""roleid""]::int4[]) AND (b.""username"" = 'user1') 
+    FROM ""pgarray_tomany_user_lazyloading_notfound"" sub_b 
+    WHERE (sub_b.""roleids"" @> ARRAY[a.""roleid""]::int4[]) AND (sub_b.""username"" = 'user1') 
     limit 1))", roles5Select.ToSql());
             var roles5 = roles5Select.ToList();
             Assert.Equal(2, roles5.Count);
diff --git a/FreeSql.Tests/FreeSql.Tests/PostgreSQL/PgArrayToMany/LazyLoadingTest .cs b/FreeSql.Tests/FreeSql.Tests/PostgreSQL/PgArrayToMany/LazyLoadingTest .cs
index 834d83b8b..f939b3908 100644
--- a/FreeSql.Tests/FreeSql.Tests/PostgreSQL/PgArrayToMany/LazyLoadingTest .cs	
+++ b/FreeSql.Tests/FreeSql.Tests/PostgreSQL/PgArrayToMany/LazyLoadingTest .cs	
@@ -63,8 +63,8 @@ namespace FreeSql.Tests.PostgreSQL.PgArrayToMany
             Assert.Equal(@"SELECT a.""userid"", a.""roleids"", a.""username"" 
 FROM ""pgarray_tomany_user_lazyloading"" a 
 WHERE (exists(SELECT 1 
-    FROM ""pgarray_tomany_role_lazyloading"" b 
-    WHERE (a.""roleids"" @> ARRAY[b.""roleid""]::int4[]) AND (b.""rolename"" = 'role1') 
+    FROM ""pgarray_tomany_role_lazyloading"" sub_b 
+    WHERE (a.""roleids"" @> ARRAY[sub_b.""roleid""]::int4[]) AND (sub_b.""rolename"" = 'role1') 
     limit 1))", users5Select.ToSql());
             var users5 = users5Select.ToList();
             Assert.Equal(4, users5.Count);
@@ -82,8 +82,8 @@ WHERE (exists(SELECT 1
             Assert.Equal(@"SELECT a.""roleid"", a.""rolename"" 
 FROM ""pgarray_tomany_role_lazyloading"" a 
 WHERE (exists(SELECT 1 
-    FROM ""pgarray_tomany_user_lazyloading"" b 
-    WHERE (b.""roleids"" @> ARRAY[a.""roleid""]::int4[]) AND (b.""username"" = 'user1') 
+    FROM ""pgarray_tomany_user_lazyloading"" sub_b 
+    WHERE (sub_b.""roleids"" @> ARRAY[a.""roleid""]::int4[]) AND (sub_b.""username"" = 'user1') 
     limit 1))", roles5Select.ToSql());
             var roles5 = roles5Select.ToList();
             Assert.Equal(2, roles5.Count);
diff --git a/FreeSql.Tests/FreeSql.Tests/PostgreSQL/PgArrayToMany/NormalTest.cs b/FreeSql.Tests/FreeSql.Tests/PostgreSQL/PgArrayToMany/NormalTest.cs
index a697dc625..db02b6136 100644
--- a/FreeSql.Tests/FreeSql.Tests/PostgreSQL/PgArrayToMany/NormalTest.cs
+++ b/FreeSql.Tests/FreeSql.Tests/PostgreSQL/PgArrayToMany/NormalTest.cs
@@ -63,8 +63,8 @@ namespace FreeSql.Tests.PostgreSQL.PgArrayToMany
             Assert.Equal(@"SELECT a.""userid"", a.""roleids"", a.""username"" 
 FROM ""pgarray_tomany_user_normal"" a 
 WHERE (exists(SELECT 1 
-    FROM ""pgarray_tomany_role_normal"" b 
-    WHERE (a.""roleids"" @> ARRAY[b.""roleid""]::int4[]) AND (b.""rolename"" = 'role1') 
+    FROM ""pgarray_tomany_role_normal"" sub_b 
+    WHERE (a.""roleids"" @> ARRAY[sub_b.""roleid""]::int4[]) AND (sub_b.""rolename"" = 'role1') 
     limit 1))", users5Select.ToSql());
             var users5 = users5Select.ToList();
             Assert.Equal(4, users5.Count);
@@ -82,8 +82,8 @@ WHERE (exists(SELECT 1
             Assert.Equal(@"SELECT a.""roleid"", a.""rolename"" 
 FROM ""pgarray_tomany_role_normal"" a 
 WHERE (exists(SELECT 1 
-    FROM ""pgarray_tomany_user_normal"" b 
-    WHERE (b.""roleids"" @> ARRAY[a.""roleid""]::int4[]) AND (b.""username"" = 'user1') 
+    FROM ""pgarray_tomany_user_normal"" sub_b 
+    WHERE (sub_b.""roleids"" @> ARRAY[a.""roleid""]::int4[]) AND (sub_b.""username"" = 'user1') 
     limit 1))", roles5Select.ToSql());
             var roles5 = roles5Select.ToList();
             Assert.Equal(2, roles5.Count);
diff --git a/FreeSql.Tests/FreeSql.Tests/PostgreSQL/PgArrayToMany/ObservableCollectionLazyLoadingTest.cs b/FreeSql.Tests/FreeSql.Tests/PostgreSQL/PgArrayToMany/ObservableCollectionLazyLoadingTest.cs
index 29d9d271b..0e923cfed 100644
--- a/FreeSql.Tests/FreeSql.Tests/PostgreSQL/PgArrayToMany/ObservableCollectionLazyLoadingTest.cs
+++ b/FreeSql.Tests/FreeSql.Tests/PostgreSQL/PgArrayToMany/ObservableCollectionLazyLoadingTest.cs
@@ -63,8 +63,8 @@ namespace FreeSql.Tests.PostgreSQL.PgArrayToMany
             Assert.Equal(@"SELECT a.""userid"", a.""roleids"", a.""username"" 
 FROM ""pgarray_tomany_user_observablecollection_lazyloading"" a 
 WHERE (exists(SELECT 1 
-    FROM ""pgarray_tomany_role_observablecollection_lazyloading"" b 
-    WHERE (a.""roleids"" @> ARRAY[b.""roleid""]::int4[]) AND (b.""rolename"" = 'role1') 
+    FROM ""pgarray_tomany_role_observablecollection_lazyloading"" sub_b 
+    WHERE (a.""roleids"" @> ARRAY[sub_b.""roleid""]::int4[]) AND (sub_b.""rolename"" = 'role1') 
     limit 1))", users5Select.ToSql());
             var users5 = users5Select.ToList();
             Assert.Equal(4, users5.Count);
@@ -82,8 +82,8 @@ WHERE (exists(SELECT 1
             Assert.Equal(@"SELECT a.""roleid"", a.""rolename"" 
 FROM ""pgarray_tomany_role_observablecollection_lazyloading"" a 
 WHERE (exists(SELECT 1 
-    FROM ""pgarray_tomany_user_observablecollection_lazyloading"" b 
-    WHERE (b.""roleids"" @> ARRAY[a.""roleid""]::int4[]) AND (b.""username"" = 'user1') 
+    FROM ""pgarray_tomany_user_observablecollection_lazyloading"" sub_b 
+    WHERE (sub_b.""roleids"" @> ARRAY[a.""roleid""]::int4[]) AND (sub_b.""username"" = 'user1') 
     limit 1))", roles5Select.ToSql());
             var roles5 = roles5Select.ToList();
             Assert.Equal(2, roles5.Count);
diff --git a/FreeSql.Tests/FreeSql.Tests/PostgreSQL/PgArrayToMany/ObservableCollectionTest.cs b/FreeSql.Tests/FreeSql.Tests/PostgreSQL/PgArrayToMany/ObservableCollectionTest.cs
index 671dadca4..052797afe 100644
--- a/FreeSql.Tests/FreeSql.Tests/PostgreSQL/PgArrayToMany/ObservableCollectionTest.cs
+++ b/FreeSql.Tests/FreeSql.Tests/PostgreSQL/PgArrayToMany/ObservableCollectionTest.cs
@@ -64,8 +64,8 @@ namespace FreeSql.Tests.PostgreSQL.PgArrayToMany
             Assert.Equal(@"SELECT a.""userid"", a.""roleids"", a.""username"" 
 FROM ""pgarray_tomany_user_observablecollection"" a 
 WHERE (exists(SELECT 1 
-    FROM ""pgarray_tomany_role_observablecollection"" b 
-    WHERE (a.""roleids"" @> ARRAY[b.""roleid""]::int4[]) AND (b.""rolename"" = 'role1') 
+    FROM ""pgarray_tomany_role_observablecollection"" sub_b 
+    WHERE (a.""roleids"" @> ARRAY[sub_b.""roleid""]::int4[]) AND (sub_b.""rolename"" = 'role1') 
     limit 1))", users5Select.ToSql());
             var users5 = users5Select.ToList();
             Assert.Equal(4, users5.Count);
@@ -83,8 +83,8 @@ WHERE (exists(SELECT 1
             Assert.Equal(@"SELECT a.""roleid"", a.""rolename"" 
 FROM ""pgarray_tomany_role_observablecollection"" a 
 WHERE (exists(SELECT 1 
-    FROM ""pgarray_tomany_user_observablecollection"" b 
-    WHERE (b.""roleids"" @> ARRAY[a.""roleid""]::int4[]) AND (b.""username"" = 'user1') 
+    FROM ""pgarray_tomany_user_observablecollection"" sub_b 
+    WHERE (sub_b.""roleids"" @> ARRAY[a.""roleid""]::int4[]) AND (sub_b.""username"" = 'user1') 
     limit 1))", roles5Select.ToSql());
             var roles5 = roles5Select.ToList();
             Assert.Equal(2, roles5.Count);
diff --git a/FreeSql.Tests/FreeSql.Tests/SqlServer/Curd/SqlServerSelectTest.cs b/FreeSql.Tests/FreeSql.Tests/SqlServer/Curd/SqlServerSelectTest.cs
index e1054ddb8..38f085d6b 100644
--- a/FreeSql.Tests/FreeSql.Tests/SqlServer/Curd/SqlServerSelectTest.cs
+++ b/FreeSql.Tests/FreeSql.Tests/SqlServer/Curd/SqlServerSelectTest.cs
@@ -850,6 +850,13 @@ WHERE (((a.[Name]) in (SELECT s.[Title] as1
                 .Any()
                 ).Any()
             ).ToList();
+
+            var sqlAliasA = select.Where(p => select.Where(a => a.Id == p.Id).Any()).ToSql();
+            Assert.Equal(@"SELECT a.[Id], a.[Clicks], a.[TypeGuid], a.[Title], a.[CreateTime] 
+FROM [tb_topic22] a 
+WHERE (exists(SELECT TOP 1 1 
+    FROM [tb_topic22] sub_a 
+    WHERE (sub_a.[Id] = a.[Id])))", sqlAliasA);
         }
         [Fact]
         public void GroupBy()
diff --git a/FreeSql.Tests/FreeSql.Tests/Sqlite/Curd/SqliteSelectTest.cs b/FreeSql.Tests/FreeSql.Tests/Sqlite/Curd/SqliteSelectTest.cs
index 3285c8859..8898e5a71 100644
--- a/FreeSql.Tests/FreeSql.Tests/Sqlite/Curd/SqliteSelectTest.cs
+++ b/FreeSql.Tests/FreeSql.Tests/Sqlite/Curd/SqliteSelectTest.cs
@@ -1143,8 +1143,8 @@ WHERE (((cast(a.""Id"" as character)) in (SELECT b.""Title""
             });
             Assert.Equal(@"SELECT a.""Id"" as1, ifnull((SELECT max(a.""Guid"") 
     FROM ""TestTypeInfo_01"" a), 0) as2, exists(SELECT 1 
-    FROM ""TestTypeInfo_01"" b 
-    WHERE (b.""ParentId"" = a.""Id"") AND (b.""Name"" = 'xx') 
+    FROM ""TestTypeInfo_01"" sub_b 
+    WHERE (sub_b.""ParentId"" = a.""Id"") AND (sub_b.""Name"" = 'xx') 
     limit 0,1) as3, exists(SELECT 1 
     FROM ""TestTypeInfo_01"" b 
     WHERE (b.""Name"" = 'xx') AND (b.""ParentId"" = a.""Id"") 
diff --git a/FreeSql/Internal/CommonExpression.cs b/FreeSql/Internal/CommonExpression.cs
index f0601e3b4..853e11c1e 100644
--- a/FreeSql/Internal/CommonExpression.cs
+++ b/FreeSql/Internal/CommonExpression.cs
@@ -1286,7 +1286,11 @@ namespace FreeSql.Internal
                                                             else
                                                             {
                                                                 for (var gai = 0; gai < fsqlTypeGenericArgs.Length && gai < argExpLambda.Parameters.Count; gai++)
-                                                                    fsqltables[gai].Alias = argExpLambda.Parameters[gai].Name;
+                                                                {
+                                                                    var alias = argExpLambda.Parameters[gai].Name;
+                                                                    if (fsqltables.Any(x => x.Type == SelectTableInfoType.Parent && x.Alias == alias)) alias = $"sub_{alias}";
+                                                                    fsqltables[gai].Alias = alias;
+                                                                }
                                                             }
                                                         }
                                                     }
@@ -2343,6 +2347,7 @@ namespace FreeSql.Internal
             void LocalSetSelectProviderAlias(string alias)
             {
                 if (selectSetAliased) return;
+                if (new[] { "a", "b", "c", "d" }.Contains(alias)) alias = $"sub_{alias}";
                 selectSetAliased = true;
                 select._tables[0].Alias = alias;
                 select._tables[0].AliasInit = alias;