diff --git a/FreeSql.DbContext/FreeSql.DbContext.xml b/FreeSql.DbContext/FreeSql.DbContext.xml
index 1ab5bf1c..6b638cad 100644
--- a/FreeSql.DbContext/FreeSql.DbContext.xml
+++ b/FreeSql.DbContext/FreeSql.DbContext.xml
@@ -795,14 +795,5 @@
             <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.Tests/FreeSql.Tests/PostgreSQL/PostgreSQLPgArrayToManyTest .cs b/FreeSql.Tests/FreeSql.Tests/PostgreSQL/PgArrayToMany/LazyLoadingTest .cs
similarity index 68%
rename from FreeSql.Tests/FreeSql.Tests/PostgreSQL/PostgreSQLPgArrayToManyTest .cs
rename to FreeSql.Tests/FreeSql.Tests/PostgreSQL/PgArrayToMany/LazyLoadingTest .cs
index 2b7f32c5..834d83b8 100644
--- a/FreeSql.Tests/FreeSql.Tests/PostgreSQL/PostgreSQLPgArrayToManyTest .cs	
+++ b/FreeSql.Tests/FreeSql.Tests/PostgreSQL/PgArrayToMany/LazyLoadingTest .cs	
@@ -1,17 +1,18 @@
 using FreeSql.DataAnnotations;
 using System;
 using System.Collections.Generic;
+using System.Linq;
 using System.Reflection;
 using System.Text;
 using Xunit;
 
-namespace FreeSql.Tests.PostgreSQL
+namespace FreeSql.Tests.PostgreSQL.PgArrayToMany
 {
-    public class PostgreSQLPgArrayToManyTest
+    public class LazyLoadingTest
     {
 
         [Table(Name = "pgarray_tomany_user_lazyloading")]
-        public class UserLazyLoading
+        public class User
         {
             [Column(IsPrimary = true)]
             public int UserId { get; set; }
@@ -19,57 +20,96 @@ namespace FreeSql.Tests.PostgreSQL
             public string UserName { get; set; }
 
             [Navigate(nameof(RoleIds))]
-            public virtual List<RoleLazyLoading> Roles { get; set; }
+            public virtual List<Role> Roles { get; set; }
         }
 
         [Table(Name = "pgarray_tomany_role_lazyloading")]
-        public class RoleLazyLoading
+        public class Role
         {
             [Column(IsPrimary = true)]
             public int RoleId { get; set; }
             public string RoleName { get; set; }
 
-            [Navigate(nameof(UserLazyLoading.RoleIds))]
-            public virtual List<UserLazyLoading> Users { get; set; }
+            [Navigate(nameof(User.RoleIds))]
+            public virtual List<User> Users { get; set; }
         }
 
         [Fact]
         public void LazyLoading()
         {
             var fsql = g.pgsql;
-            fsql.Delete<UserLazyLoading>().Where("1=1").ExecuteAffrows();
-            fsql.Delete<RoleLazyLoading>().Where("1=1").ExecuteAffrows();
+            fsql.Delete<User>().Where("1=1").ExecuteAffrows();
+            fsql.Delete<Role>().Where("1=1").ExecuteAffrows();
 
             var roles = new[]
             {
-                new RoleLazyLoading { RoleId = 1, RoleName = "role1" },
-                new RoleLazyLoading { RoleId = 2, RoleName = "role2" },
-                new RoleLazyLoading { RoleId = 3, RoleName = "role3" }
+                new Role { RoleId = 1, RoleName = "role1" },
+                new Role { RoleId = 2, RoleName = "role2" },
+                new Role { RoleId = 3, RoleName = "role3" }
             };
             Assert.Equal(3, fsql.Insert(roles).ExecuteAffrows());
             var users = new[]
             {
-                new UserLazyLoading { UserId = 11, RoleIds = new [] { 1,2 }, UserName = "user1" },
-                new UserLazyLoading { UserId = 12, RoleIds = new [] { 1,2,3 }, UserName = "user2" },
-                new UserLazyLoading { UserId = 13, RoleIds = new [] { 1,3 }, UserName = "user3" },
-                new UserLazyLoading { UserId = 14, RoleIds = new [] { 3,2,1 }, UserName = "user4" },
-                new UserLazyLoading { UserId = 15, RoleIds = null, UserName = "user5" },
-                new UserLazyLoading { UserId = 16, RoleIds = new int[0], UserName = "user6" },
+                new User { UserId = 11, RoleIds = new [] { 1,2 }, UserName = "user1" },
+                new User { UserId = 12, RoleIds = new [] { 1,2,3 }, UserName = "user2" },
+                new User { UserId = 13, RoleIds = new [] { 1,3 }, UserName = "user3" },
+                new User { UserId = 14, RoleIds = new [] { 3,2,1 }, UserName = "user4" },
+                new User { UserId = 15, RoleIds = null, UserName = "user5" },
+                new User { UserId = 16, RoleIds = new int[0], UserName = "user6" },
             };
             Assert.Equal(6, fsql.Insert(users).ExecuteAffrows());
 
-            var users4 = fsql.Select<UserLazyLoading>().IncludeMany(a => a.Roles).ToList(a => new
+            var users5Select = fsql.Select<User>().Where(a => a.Roles.Any(b => b.RoleName == "role1"));
+            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') 
+    limit 1))", users5Select.ToSql());
+            var users5 = users5Select.ToList();
+            Assert.Equal(4, users5.Count);
+            users5Select = fsql.Select<User>().Where(a => a.Roles.AsSelect().Any(b => b.RoleName == "role1"));
+            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 (b.""rolename"" = 'role1') AND (a.""roleids"" @> ARRAY[b.""roleid""]::int4[]) 
+    limit 1))", users5Select.ToSql());
+            users5 = users5Select.ToList();
+            Assert.Equal(4, users5.Count);
+
+            var roles5Select = fsql.Select<Role>().Where(a => a.Users.Any(b => b.UserName == "user1"));
+            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') 
+    limit 1))", roles5Select.ToSql());
+            var roles5 = roles5Select.ToList();
+            Assert.Equal(2, roles5.Count);
+            roles5Select = fsql.Select<Role>().Where(a => a.Users.AsSelect().Any(b => b.UserName == "user1"));
+            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.""username"" = 'user1') AND (b.""roleids"" @> ARRAY[a.""roleid""]::int4[]) 
+    limit 1))", roles5Select.ToSql());
+            roles5 = roles5Select.ToList();
+            Assert.Equal(2, roles5.Count);
+
+
+            var users4 = fsql.Select<User>().IncludeMany(a => a.Roles).ToList(a => new
             {
                 user = a, roles = a.Roles
             });
-            var roles4 = fsql.Select<RoleLazyLoading>().IncludeMany(a => a.Users).ToList(a => new
+            var roles4 = fsql.Select<Role>().IncludeMany(a => a.Users).ToList(a => new
             {
                 role = a,
                 users = a.Users
             });
 
 
-            var users3 = fsql.Select<UserLazyLoading>().IncludeMany(a => a.Roles).ToList();
+            var users3 = fsql.Select<User>().IncludeMany(a => a.Roles).ToList();
             Assert.Equal(6, users3.Count);
             var users2 = users3;
             Assert.Equal(11, users2[0].UserId);
@@ -122,7 +162,7 @@ namespace FreeSql.Tests.PostgreSQL
             Assert.Null(users3[4].Roles);
             Assert.Empty(users3[5].Roles);
 
-            var roles3 = fsql.Select<RoleLazyLoading>().IncludeMany(a => a.Users).ToList();
+            var roles3 = fsql.Select<Role>().IncludeMany(a => a.Users).ToList();
             Assert.Equal(3, roles3.Count);
             roles2 = roles3;
             Assert.Equal(1, roles2[0].RoleId);
@@ -171,8 +211,8 @@ namespace FreeSql.Tests.PostgreSQL
             Assert.Equal("user4", users2[2].UserName);
             Assert.Equal("3,2,1", string.Join(",", users2[2].RoleIds));
 
-            var role = fsql.Select<RoleLazyLoading>().Where(a => a.RoleId == 1).First();
-            Assert.IsNotType<RoleLazyLoading>(role);
+            var role = fsql.Select<Role>().Where(a => a.RoleId == 1).First();
+            Assert.IsNotType<Role>(role);
 
             users2 = role.Users;
             Assert.Equal(4, users2.Count);
@@ -221,8 +261,8 @@ namespace FreeSql.Tests.PostgreSQL
             Assert.Equal(1, roles2[2].RoleId);
             Assert.Equal("role1", roles2[2].RoleName);
 
-            var user = fsql.Select<UserLazyLoading>().Where(a => a.UserId == 11).First();
-            Assert.IsNotType<UserLazyLoading>(user);
+            var user = fsql.Select<User>().Where(a => a.UserId == 11).First();
+            Assert.IsNotType<User>(user);
 
             roles2 = user.Roles;
             Assert.Equal(2, roles2.Count);
diff --git a/FreeSql.Tests/FreeSql.Tests/PostgreSQL/PgArrayToMany/NormalTest.cs b/FreeSql.Tests/FreeSql.Tests/PostgreSQL/PgArrayToMany/NormalTest.cs
new file mode 100644
index 00000000..a697dc62
--- /dev/null
+++ b/FreeSql.Tests/FreeSql.Tests/PostgreSQL/PgArrayToMany/NormalTest.cs
@@ -0,0 +1,221 @@
+using FreeSql.DataAnnotations;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Reflection;
+using System.Text;
+using Xunit;
+
+namespace FreeSql.Tests.PostgreSQL.PgArrayToMany
+{
+    public class NormalTest
+    {
+
+        [Table(Name = "pgarray_tomany_user_normal")]
+        public class User
+        {
+            [Column(IsPrimary = true)]
+            public int UserId { get; set; }
+            public int[] RoleIds { get; set; }
+            public string UserName { get; set; }
+
+            [Navigate(nameof(RoleIds))]
+            public List<Role> Roles { get; set; }
+        }
+
+        [Table(Name = "pgarray_tomany_role_normal")]
+        public class Role
+        {
+            [Column(IsPrimary = true)]
+            public int RoleId { get; set; }
+            public string RoleName { get; set; }
+
+            [Navigate(nameof(User.RoleIds))]
+            public List<User> Users { get; set; }
+        }
+
+        [Fact]
+        public void Normal()
+        {
+            var fsql = g.pgsql;
+            fsql.Delete<User>().Where("1=1").ExecuteAffrows();
+            fsql.Delete<Role>().Where("1=1").ExecuteAffrows();
+
+            var roles = new[]
+            {
+                new Role { RoleId = 1, RoleName = "role1" },
+                new Role { RoleId = 2, RoleName = "role2" },
+                new Role { RoleId = 3, RoleName = "role3" }
+            };
+            Assert.Equal(3, fsql.Insert(roles).ExecuteAffrows());
+            var users = new[]
+            {
+                new User { UserId = 11, RoleIds = new [] { 1,2 }, UserName = "user1" },
+                new User { UserId = 12, RoleIds = new [] { 1,2,3 }, UserName = "user2" },
+                new User { UserId = 13, RoleIds = new [] { 1,3 }, UserName = "user3" },
+                new User { UserId = 14, RoleIds = new [] { 3,2,1 }, UserName = "user4" },
+                new User { UserId = 15, RoleIds = null, UserName = "user5" },
+                new User { UserId = 16, RoleIds = new int[0], UserName = "user6" },
+            };
+            Assert.Equal(6, fsql.Insert(users).ExecuteAffrows());
+
+            var users5Select = fsql.Select<User>().Where(a => a.Roles.Any(b => b.RoleName == "role1"));
+            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') 
+    limit 1))", users5Select.ToSql());
+            var users5 = users5Select.ToList();
+            Assert.Equal(4, users5.Count);
+            users5Select = fsql.Select<User>().Where(a => a.Roles.AsSelect().Any(b => b.RoleName == "role1"));
+            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 (b.""rolename"" = 'role1') AND (a.""roleids"" @> ARRAY[b.""roleid""]::int4[]) 
+    limit 1))", users5Select.ToSql());
+            users5 = users5Select.ToList();
+            Assert.Equal(4, users5.Count);
+
+            var roles5Select = fsql.Select<Role>().Where(a => a.Users.Any(b => b.UserName == "user1"));
+            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') 
+    limit 1))", roles5Select.ToSql());
+            var roles5 = roles5Select.ToList();
+            Assert.Equal(2, roles5.Count);
+            roles5Select = fsql.Select<Role>().Where(a => a.Users.AsSelect().Any(b => b.UserName == "user1"));
+            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.""username"" = 'user1') AND (b.""roleids"" @> ARRAY[a.""roleid""]::int4[]) 
+    limit 1))", roles5Select.ToSql());
+            roles5 = roles5Select.ToList();
+            Assert.Equal(2, roles5.Count);
+
+
+            var users4 = fsql.Select<User>().IncludeMany(a => a.Roles).ToList(a => new
+            {
+                user = a, roles = a.Roles
+            });
+            var roles4 = fsql.Select<Role>().IncludeMany(a => a.Users).ToList(a => new
+            {
+                role = a,
+                users = a.Users
+            });
+
+
+            var users3 = fsql.Select<User>().IncludeMany(a => a.Roles).ToList();
+            Assert.Equal(6, users3.Count);
+            var users2 = users3;
+            Assert.Equal(11, users2[0].UserId);
+            Assert.Equal(12, users2[1].UserId);
+            Assert.Equal(13, users2[2].UserId);
+            Assert.Equal(14, users2[3].UserId);
+            Assert.Equal(15, users2[4].UserId);
+            Assert.Equal(16, users2[5].UserId);
+            Assert.Equal("user1", users2[0].UserName);
+            Assert.Equal("user2", users2[1].UserName);
+            Assert.Equal("user3", users2[2].UserName);
+            Assert.Equal("user4", users2[3].UserName);
+            Assert.Equal("user5", users2[4].UserName);
+            Assert.Equal("user6", users2[5].UserName);
+            Assert.Equal("1,2", string.Join(",", users2[0].RoleIds));
+            Assert.Equal("1,2,3", string.Join(",", users2[1].RoleIds));
+            Assert.Equal("1,3", string.Join(",", users2[2].RoleIds));
+            Assert.Equal("3,2,1", string.Join(",", users2[3].RoleIds));
+            Assert.Null(users2[4].RoleIds);
+            Assert.Empty(users2[5].RoleIds);
+
+            var roles2 = users3[0].Roles;
+            Assert.Equal(1, roles2[0].RoleId);
+            Assert.Equal("role1", roles2[0].RoleName);
+            Assert.Equal(2, roles2[1].RoleId);
+            Assert.Equal("role2", roles2[1].RoleName);
+
+            roles2 = users3[1].Roles;
+            Assert.Equal(1, roles2[0].RoleId);
+            Assert.Equal("role1", roles2[0].RoleName);
+            Assert.Equal(2, roles2[1].RoleId);
+            Assert.Equal("role2", roles2[1].RoleName);
+            Assert.Equal(3, roles2[2].RoleId);
+            Assert.Equal("role3", roles2[2].RoleName);
+
+            roles2 = users3[2].Roles;
+            Assert.Equal(1, roles2[0].RoleId);
+            Assert.Equal("role1", roles2[0].RoleName);
+            Assert.Equal(3, roles2[1].RoleId);
+            Assert.Equal("role3", roles2[1].RoleName);
+
+            roles2 = users3[3].Roles;
+            Assert.Equal(3, roles2[0].RoleId);
+            Assert.Equal("role3", roles2[0].RoleName);
+            Assert.Equal(2, roles2[1].RoleId);
+            Assert.Equal("role2", roles2[1].RoleName);
+            Assert.Equal(1, roles2[2].RoleId);
+            Assert.Equal("role1", roles2[2].RoleName);
+
+            Assert.Null(users3[4].Roles);
+            Assert.Empty(users3[5].Roles);
+
+            var roles3 = fsql.Select<Role>().IncludeMany(a => a.Users).ToList();
+            Assert.Equal(3, roles3.Count);
+            roles2 = roles3;
+            Assert.Equal(1, roles2[0].RoleId);
+            Assert.Equal("role1", roles2[0].RoleName);
+            Assert.Equal(2, roles2[1].RoleId);
+            Assert.Equal("role2", roles2[1].RoleName);
+            Assert.Equal(3, roles2[2].RoleId);
+            Assert.Equal("role3", roles2[2].RoleName);
+
+            users2 = roles2[0].Users;
+            Assert.Equal(4, users2.Count);
+            Assert.Equal(11, users2[0].UserId);
+            Assert.Equal("user1", users2[0].UserName);
+            Assert.Equal("1,2", string.Join(",", users2[0].RoleIds));
+            Assert.Equal(12, users2[1].UserId);
+            Assert.Equal("user2", users2[1].UserName);
+            Assert.Equal("1,2,3", string.Join(",", users2[1].RoleIds));
+            Assert.Equal(13, users2[2].UserId);
+            Assert.Equal("user3", users2[2].UserName);
+            Assert.Equal("1,3", string.Join(",", users2[2].RoleIds));
+            Assert.Equal(14, users2[3].UserId);
+            Assert.Equal("user4", users2[3].UserName);
+            Assert.Equal("3,2,1", string.Join(",", users2[3].RoleIds));
+
+            users2 = roles2[1].Users;
+            Assert.Equal(3, users2.Count);
+            Assert.Equal(11, users2[0].UserId);
+            Assert.Equal("user1", users2[0].UserName);
+            Assert.Equal("1,2", string.Join(",", users2[0].RoleIds));
+            Assert.Equal(12, users2[1].UserId);
+            Assert.Equal("user2", users2[1].UserName);
+            Assert.Equal("1,2,3", string.Join(",", users2[1].RoleIds));
+            Assert.Equal(14, users2[2].UserId);
+            Assert.Equal("user4", users2[2].UserName);
+            Assert.Equal("3,2,1", string.Join(",", users2[2].RoleIds));
+
+            users2 = roles2[2].Users;
+            Assert.Equal(3, users2.Count);
+            Assert.Equal(12, users2[0].UserId);
+            Assert.Equal("user2", users2[0].UserName);
+            Assert.Equal("1,2,3", string.Join(",", users2[0].RoleIds));
+            Assert.Equal(13, users2[1].UserId);
+            Assert.Equal("user3", users2[1].UserName);
+            Assert.Equal("1,3", string.Join(",", users2[1].RoleIds));
+            Assert.Equal(14, users2[2].UserId);
+            Assert.Equal("user4", users2[2].UserName);
+            Assert.Equal("3,2,1", string.Join(",", users2[2].RoleIds));
+
+            var role = fsql.Select<Role>().Where(a => a.RoleId == 1).First();
+            Assert.IsType<Role>(role);
+
+            var user = fsql.Select<User>().Where(a => a.UserId == 11).First();
+            Assert.IsType<User>(user);
+        }
+    }
+}
diff --git a/FreeSql.Tests/FreeSql.Tests/PostgreSQL/PgArrayToMany/ObservableCollectionLazyLoadingTest.cs b/FreeSql.Tests/FreeSql.Tests/PostgreSQL/PgArrayToMany/ObservableCollectionLazyLoadingTest.cs
new file mode 100644
index 00000000..29d9d271
--- /dev/null
+++ b/FreeSql.Tests/FreeSql.Tests/PostgreSQL/PgArrayToMany/ObservableCollectionLazyLoadingTest.cs
@@ -0,0 +1,275 @@
+using FreeSql.DataAnnotations;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Reflection;
+using System.Text;
+using Xunit;
+
+namespace FreeSql.Tests.PostgreSQL.PgArrayToMany
+{
+    public class ObservableCollectionLazyLoadingTest
+    {
+
+        [Table(Name = "pgarray_tomany_user_observablecollection_lazyloading")]
+        public class User
+        {
+            [Column(IsPrimary = true)]
+            public int UserId { get; set; }
+            public int[] RoleIds { get; set; }
+            public string UserName { get; set; }
+
+            [Navigate(nameof(RoleIds))]
+            public virtual List<Role> Roles { get; set; }
+        }
+
+        [Table(Name = "pgarray_tomany_role_observablecollection_lazyloading")]
+        public class Role
+        {
+            [Column(IsPrimary = true)]
+            public int RoleId { get; set; }
+            public string RoleName { get; set; }
+
+            [Navigate(nameof(User.RoleIds))]
+            public virtual List<User> Users { get; set; }
+        }
+
+        [Fact]
+        public void ObservableCollectionLazyLoading()
+        {
+            var fsql = g.pgsql;
+            fsql.Delete<User>().Where("1=1").ExecuteAffrows();
+            fsql.Delete<Role>().Where("1=1").ExecuteAffrows();
+
+            var roles = new[]
+            {
+                new Role { RoleId = 1, RoleName = "role1" },
+                new Role { RoleId = 2, RoleName = "role2" },
+                new Role { RoleId = 3, RoleName = "role3" }
+            };
+            Assert.Equal(3, fsql.Insert(roles).ExecuteAffrows());
+            var users = new[]
+            {
+                new User { UserId = 11, RoleIds = new [] { 1,2 }, UserName = "user1" },
+                new User { UserId = 12, RoleIds = new [] { 1,2,3 }, UserName = "user2" },
+                new User { UserId = 13, RoleIds = new [] { 1,3 }, UserName = "user3" },
+                new User { UserId = 14, RoleIds = new [] { 3,2,1 }, UserName = "user4" },
+                new User { UserId = 15, RoleIds = null, UserName = "user5" },
+                new User { UserId = 16, RoleIds = new int[0], UserName = "user6" },
+            };
+            Assert.Equal(6, fsql.Insert(users).ExecuteAffrows());
+
+            var users5Select = fsql.Select<User>().Where(a => a.Roles.Any(b => b.RoleName == "role1"));
+            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') 
+    limit 1))", users5Select.ToSql());
+            var users5 = users5Select.ToList();
+            Assert.Equal(4, users5.Count);
+            users5Select = fsql.Select<User>().Where(a => a.Roles.AsSelect().Any(b => b.RoleName == "role1"));
+            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 (b.""rolename"" = 'role1') AND (a.""roleids"" @> ARRAY[b.""roleid""]::int4[]) 
+    limit 1))", users5Select.ToSql());
+            users5 = users5Select.ToList();
+            Assert.Equal(4, users5.Count);
+
+            var roles5Select = fsql.Select<Role>().Where(a => a.Users.Any(b => b.UserName == "user1"));
+            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') 
+    limit 1))", roles5Select.ToSql());
+            var roles5 = roles5Select.ToList();
+            Assert.Equal(2, roles5.Count);
+            roles5Select = fsql.Select<Role>().Where(a => a.Users.AsSelect().Any(b => b.UserName == "user1"));
+            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.""username"" = 'user1') AND (b.""roleids"" @> ARRAY[a.""roleid""]::int4[]) 
+    limit 1))", roles5Select.ToSql());
+            roles5 = roles5Select.ToList();
+            Assert.Equal(2, roles5.Count);
+
+
+            var users4 = fsql.Select<User>().IncludeMany(a => a.Roles).ToList(a => new
+            {
+                user = a, roles = a.Roles
+            });
+            var roles4 = fsql.Select<Role>().IncludeMany(a => a.Users).ToList(a => new
+            {
+                role = a,
+                users = a.Users
+            });
+
+
+            var users3 = fsql.Select<User>().IncludeMany(a => a.Roles).ToList();
+            Assert.Equal(6, users3.Count);
+            var users2 = users3;
+            Assert.Equal(11, users2[0].UserId);
+            Assert.Equal(12, users2[1].UserId);
+            Assert.Equal(13, users2[2].UserId);
+            Assert.Equal(14, users2[3].UserId);
+            Assert.Equal(15, users2[4].UserId);
+            Assert.Equal(16, users2[5].UserId);
+            Assert.Equal("user1", users2[0].UserName);
+            Assert.Equal("user2", users2[1].UserName);
+            Assert.Equal("user3", users2[2].UserName);
+            Assert.Equal("user4", users2[3].UserName);
+            Assert.Equal("user5", users2[4].UserName);
+            Assert.Equal("user6", users2[5].UserName);
+            Assert.Equal("1,2", string.Join(",", users2[0].RoleIds));
+            Assert.Equal("1,2,3", string.Join(",", users2[1].RoleIds));
+            Assert.Equal("1,3", string.Join(",", users2[2].RoleIds));
+            Assert.Equal("3,2,1", string.Join(",", users2[3].RoleIds));
+            Assert.Null(users2[4].RoleIds);
+            Assert.Empty(users2[5].RoleIds);
+
+            var roles2 = users3[0].Roles;
+            Assert.Equal(1, roles2[0].RoleId);
+            Assert.Equal("role1", roles2[0].RoleName);
+            Assert.Equal(2, roles2[1].RoleId);
+            Assert.Equal("role2", roles2[1].RoleName);
+
+            roles2 = users3[1].Roles;
+            Assert.Equal(1, roles2[0].RoleId);
+            Assert.Equal("role1", roles2[0].RoleName);
+            Assert.Equal(2, roles2[1].RoleId);
+            Assert.Equal("role2", roles2[1].RoleName);
+            Assert.Equal(3, roles2[2].RoleId);
+            Assert.Equal("role3", roles2[2].RoleName);
+
+            roles2 = users3[2].Roles;
+            Assert.Equal(1, roles2[0].RoleId);
+            Assert.Equal("role1", roles2[0].RoleName);
+            Assert.Equal(3, roles2[1].RoleId);
+            Assert.Equal("role3", roles2[1].RoleName);
+
+            roles2 = users3[3].Roles;
+            Assert.Equal(3, roles2[0].RoleId);
+            Assert.Equal("role3", roles2[0].RoleName);
+            Assert.Equal(2, roles2[1].RoleId);
+            Assert.Equal("role2", roles2[1].RoleName);
+            Assert.Equal(1, roles2[2].RoleId);
+            Assert.Equal("role1", roles2[2].RoleName);
+
+            Assert.Null(users3[4].Roles);
+            Assert.Empty(users3[5].Roles);
+
+            var roles3 = fsql.Select<Role>().IncludeMany(a => a.Users).ToList();
+            Assert.Equal(3, roles3.Count);
+            roles2 = roles3;
+            Assert.Equal(1, roles2[0].RoleId);
+            Assert.Equal("role1", roles2[0].RoleName);
+            Assert.Equal(2, roles2[1].RoleId);
+            Assert.Equal("role2", roles2[1].RoleName);
+            Assert.Equal(3, roles2[2].RoleId);
+            Assert.Equal("role3", roles2[2].RoleName);
+
+            users2 = roles2[0].Users;
+            Assert.Equal(4, users2.Count);
+            Assert.Equal(11, users2[0].UserId);
+            Assert.Equal("user1", users2[0].UserName);
+            Assert.Equal("1,2", string.Join(",", users2[0].RoleIds));
+            Assert.Equal(12, users2[1].UserId);
+            Assert.Equal("user2", users2[1].UserName);
+            Assert.Equal("1,2,3", string.Join(",", users2[1].RoleIds));
+            Assert.Equal(13, users2[2].UserId);
+            Assert.Equal("user3", users2[2].UserName);
+            Assert.Equal("1,3", string.Join(",", users2[2].RoleIds));
+            Assert.Equal(14, users2[3].UserId);
+            Assert.Equal("user4", users2[3].UserName);
+            Assert.Equal("3,2,1", string.Join(",", users2[3].RoleIds));
+
+            users2 = roles2[1].Users;
+            Assert.Equal(3, users2.Count);
+            Assert.Equal(11, users2[0].UserId);
+            Assert.Equal("user1", users2[0].UserName);
+            Assert.Equal("1,2", string.Join(",", users2[0].RoleIds));
+            Assert.Equal(12, users2[1].UserId);
+            Assert.Equal("user2", users2[1].UserName);
+            Assert.Equal("1,2,3", string.Join(",", users2[1].RoleIds));
+            Assert.Equal(14, users2[2].UserId);
+            Assert.Equal("user4", users2[2].UserName);
+            Assert.Equal("3,2,1", string.Join(",", users2[2].RoleIds));
+
+            users2 = roles2[2].Users;
+            Assert.Equal(3, users2.Count);
+            Assert.Equal(12, users2[0].UserId);
+            Assert.Equal("user2", users2[0].UserName);
+            Assert.Equal("1,2,3", string.Join(",", users2[0].RoleIds));
+            Assert.Equal(13, users2[1].UserId);
+            Assert.Equal("user3", users2[1].UserName);
+            Assert.Equal("1,3", string.Join(",", users2[1].RoleIds));
+            Assert.Equal(14, users2[2].UserId);
+            Assert.Equal("user4", users2[2].UserName);
+            Assert.Equal("3,2,1", string.Join(",", users2[2].RoleIds));
+
+            var role = fsql.Select<Role>().Where(a => a.RoleId == 1).First();
+            Assert.IsNotType<Role>(role);
+
+            users2 = role.Users;
+            Assert.Equal(4, users2.Count);
+            Assert.Equal(11, users2[0].UserId);
+            Assert.Equal("user1", users2[0].UserName);
+            Assert.Equal("1,2", string.Join(",", users2[0].RoleIds));
+            Assert.Equal(12, users2[1].UserId);
+            Assert.Equal("user2", users2[1].UserName);
+            Assert.Equal("1,2,3", string.Join(",", users2[1].RoleIds));
+            Assert.Equal(13, users2[2].UserId);
+            Assert.Equal("user3", users2[2].UserName);
+            Assert.Equal("1,3", string.Join(",", users2[2].RoleIds));
+            Assert.Equal(14, users2[3].UserId);
+            Assert.Equal("user4", users2[3].UserName);
+            Assert.Equal("3,2,1", string.Join(",", users2[3].RoleIds));
+
+            roles2 = users2[0].Roles;
+            Assert.Equal(2, roles2.Count);
+            Assert.Equal(1, roles2[0].RoleId);
+            Assert.Equal("role1", roles2[0].RoleName);
+            Assert.Equal(2, roles2[1].RoleId);
+            Assert.Equal("role2", roles2[1].RoleName);
+
+            roles2 = users2[1].Roles;
+            Assert.Equal(3, roles2.Count);
+            Assert.Equal(1, roles2[0].RoleId);
+            Assert.Equal("role1", roles2[0].RoleName);
+            Assert.Equal(2, roles2[1].RoleId);
+            Assert.Equal("role2", roles2[1].RoleName);
+            Assert.Equal(3, roles2[2].RoleId);
+            Assert.Equal("role3", roles2[2].RoleName);
+
+            roles2 = users2[2].Roles;
+            Assert.Equal(2, roles2.Count);
+            Assert.Equal(1, roles2[0].RoleId);
+            Assert.Equal("role1", roles2[0].RoleName);
+            Assert.Equal(3, roles2[1].RoleId);
+            Assert.Equal("role3", roles2[1].RoleName);
+
+            roles2 = users2[3].Roles;
+            Assert.Equal(3, roles2.Count);
+            Assert.Equal(3, roles2[0].RoleId);
+            Assert.Equal("role3", roles2[0].RoleName);
+            Assert.Equal(2, roles2[1].RoleId);
+            Assert.Equal("role2", roles2[1].RoleName);
+            Assert.Equal(1, roles2[2].RoleId);
+            Assert.Equal("role1", roles2[2].RoleName);
+
+            var user = fsql.Select<User>().Where(a => a.UserId == 11).First();
+            Assert.IsNotType<User>(user);
+
+            roles2 = user.Roles;
+            Assert.Equal(2, roles2.Count);
+            Assert.Equal(1, roles2[0].RoleId);
+            Assert.Equal("role1", roles2[0].RoleName);
+            Assert.Equal(2, roles2[1].RoleId);
+            Assert.Equal("role2", roles2[1].RoleName);
+        }
+    }
+}
diff --git a/FreeSql.Tests/FreeSql.Tests/PostgreSQL/PgArrayToMany/ObservableCollectionTest.cs b/FreeSql.Tests/FreeSql.Tests/PostgreSQL/PgArrayToMany/ObservableCollectionTest.cs
new file mode 100644
index 00000000..671dadca
--- /dev/null
+++ b/FreeSql.Tests/FreeSql.Tests/PostgreSQL/PgArrayToMany/ObservableCollectionTest.cs
@@ -0,0 +1,223 @@
+using FreeSql.DataAnnotations;
+using System;
+using System.Collections.Generic;
+using System.Collections.ObjectModel;
+using System.Linq;
+using System.Reflection;
+using System.Text;
+using Xunit;
+
+namespace FreeSql.Tests.PostgreSQL.PgArrayToMany
+{
+    public class ObservableCollectionTest
+    {
+
+        [Table(Name = "pgarray_tomany_user_observablecollection")]
+        public class User
+        {
+            [Column(IsPrimary = true)]
+            public int UserId { get; set; }
+            public int[] RoleIds { get; set; }
+            public string UserName { get; set; }
+
+            [Navigate(nameof(RoleIds))]
+            public ObservableCollection<Role> Roles { get; set; }
+        }
+
+        [Table(Name = "pgarray_tomany_role_observablecollection")]
+        public class Role
+        {
+            [Column(IsPrimary = true)]
+            public int RoleId { get; set; }
+            public string RoleName { get; set; }
+
+            [Navigate(nameof(User.RoleIds))]
+            public ObservableCollection<User> Users { get; set; }
+        }
+
+        [Fact]
+        public void ObservableCollection()
+        {
+            var fsql = g.pgsql;
+            fsql.Delete<User>().Where("1=1").ExecuteAffrows();
+            fsql.Delete<Role>().Where("1=1").ExecuteAffrows();
+
+            var roles = new[]
+            {
+                new Role { RoleId = 1, RoleName = "role1" },
+                new Role { RoleId = 2, RoleName = "role2" },
+                new Role { RoleId = 3, RoleName = "role3" }
+            };
+            Assert.Equal(3, fsql.Insert(roles).ExecuteAffrows());
+            var users = new[]
+            {
+                new User { UserId = 11, RoleIds = new [] { 1,2 }, UserName = "user1" },
+                new User { UserId = 12, RoleIds = new [] { 1,2,3 }, UserName = "user2" },
+                new User { UserId = 13, RoleIds = new [] { 1,3 }, UserName = "user3" },
+                new User { UserId = 14, RoleIds = new [] { 3,2,1 }, UserName = "user4" },
+                new User { UserId = 15, RoleIds = null, UserName = "user5" },
+                new User { UserId = 16, RoleIds = new int[0], UserName = "user6" },
+            };
+            Assert.Equal(6, fsql.Insert(users).ExecuteAffrows());
+
+            var users5Select = fsql.Select<User>().Where(a => a.Roles.Any(b => b.RoleName == "role1"));
+            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') 
+    limit 1))", users5Select.ToSql());
+            var users5 = users5Select.ToList();
+            Assert.Equal(4, users5.Count);
+            users5Select = fsql.Select<User>().Where(a => a.Roles.AsSelect().Any(b => b.RoleName == "role1"));
+            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 (b.""rolename"" = 'role1') AND (a.""roleids"" @> ARRAY[b.""roleid""]::int4[]) 
+    limit 1))", users5Select.ToSql());
+            users5 = users5Select.ToList();
+            Assert.Equal(4, users5.Count);
+
+            var roles5Select = fsql.Select<Role>().Where(a => a.Users.Any(b => b.UserName == "user1"));
+            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') 
+    limit 1))", roles5Select.ToSql());
+            var roles5 = roles5Select.ToList();
+            Assert.Equal(2, roles5.Count);
+            roles5Select = fsql.Select<Role>().Where(a => a.Users.AsSelect().Any(b => b.UserName == "user1"));
+            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.""username"" = 'user1') AND (b.""roleids"" @> ARRAY[a.""roleid""]::int4[]) 
+    limit 1))", roles5Select.ToSql());
+            roles5 = roles5Select.ToList();
+            Assert.Equal(2, roles5.Count);
+
+
+            var users4 = fsql.Select<User>().IncludeMany(a => a.Roles).ToList(a => new
+            {
+                user = a,
+                roles = a.Roles
+            });
+            var roles4 = fsql.Select<Role>().IncludeMany(a => a.Users).ToList(a => new
+            {
+                role = a,
+                users = a.Users
+            });
+
+
+            var users3 = fsql.Select<User>().IncludeMany(a => a.Roles).ToList();
+            Assert.Equal(6, users3.Count);
+            var users2 = users3;
+            Assert.Equal(11, users2[0].UserId);
+            Assert.Equal(12, users2[1].UserId);
+            Assert.Equal(13, users2[2].UserId);
+            Assert.Equal(14, users2[3].UserId);
+            Assert.Equal(15, users2[4].UserId);
+            Assert.Equal(16, users2[5].UserId);
+            Assert.Equal("user1", users2[0].UserName);
+            Assert.Equal("user2", users2[1].UserName);
+            Assert.Equal("user3", users2[2].UserName);
+            Assert.Equal("user4", users2[3].UserName);
+            Assert.Equal("user5", users2[4].UserName);
+            Assert.Equal("user6", users2[5].UserName);
+            Assert.Equal("1,2", string.Join(",", users2[0].RoleIds));
+            Assert.Equal("1,2,3", string.Join(",", users2[1].RoleIds));
+            Assert.Equal("1,3", string.Join(",", users2[2].RoleIds));
+            Assert.Equal("3,2,1", string.Join(",", users2[3].RoleIds));
+            Assert.Null(users2[4].RoleIds);
+            Assert.Empty(users2[5].RoleIds);
+
+            var roles2 = users3[0].Roles.ToList();
+            Assert.Equal(1, roles2[0].RoleId);
+            Assert.Equal("role1", roles2[0].RoleName);
+            Assert.Equal(2, roles2[1].RoleId);
+            Assert.Equal("role2", roles2[1].RoleName);
+
+            roles2 = users3[1].Roles.ToList();
+            Assert.Equal(1, roles2[0].RoleId);
+            Assert.Equal("role1", roles2[0].RoleName);
+            Assert.Equal(2, roles2[1].RoleId);
+            Assert.Equal("role2", roles2[1].RoleName);
+            Assert.Equal(3, roles2[2].RoleId);
+            Assert.Equal("role3", roles2[2].RoleName);
+
+            roles2 = users3[2].Roles.ToList();
+            Assert.Equal(1, roles2[0].RoleId);
+            Assert.Equal("role1", roles2[0].RoleName);
+            Assert.Equal(3, roles2[1].RoleId);
+            Assert.Equal("role3", roles2[1].RoleName);
+
+            roles2 = users3[3].Roles.ToList();
+            Assert.Equal(3, roles2[0].RoleId);
+            Assert.Equal("role3", roles2[0].RoleName);
+            Assert.Equal(2, roles2[1].RoleId);
+            Assert.Equal("role2", roles2[1].RoleName);
+            Assert.Equal(1, roles2[2].RoleId);
+            Assert.Equal("role1", roles2[2].RoleName);
+
+            Assert.Null(users3[4].Roles);
+            Assert.Empty(users3[5].Roles);
+
+            var roles3 = fsql.Select<Role>().IncludeMany(a => a.Users).ToList();
+            Assert.Equal(3, roles3.Count);
+            roles2 = roles3.ToList();
+            Assert.Equal(1, roles2[0].RoleId);
+            Assert.Equal("role1", roles2[0].RoleName);
+            Assert.Equal(2, roles2[1].RoleId);
+            Assert.Equal("role2", roles2[1].RoleName);
+            Assert.Equal(3, roles2[2].RoleId);
+            Assert.Equal("role3", roles2[2].RoleName);
+
+            users2 = roles2[0].Users.ToList();
+            Assert.Equal(4, users2.Count);
+            Assert.Equal(11, users2[0].UserId);
+            Assert.Equal("user1", users2[0].UserName);
+            Assert.Equal("1,2", string.Join(",", users2[0].RoleIds));
+            Assert.Equal(12, users2[1].UserId);
+            Assert.Equal("user2", users2[1].UserName);
+            Assert.Equal("1,2,3", string.Join(",", users2[1].RoleIds));
+            Assert.Equal(13, users2[2].UserId);
+            Assert.Equal("user3", users2[2].UserName);
+            Assert.Equal("1,3", string.Join(",", users2[2].RoleIds));
+            Assert.Equal(14, users2[3].UserId);
+            Assert.Equal("user4", users2[3].UserName);
+            Assert.Equal("3,2,1", string.Join(",", users2[3].RoleIds));
+
+            users2 = roles2[1].Users.ToList();
+            Assert.Equal(3, users2.Count);
+            Assert.Equal(11, users2[0].UserId);
+            Assert.Equal("user1", users2[0].UserName);
+            Assert.Equal("1,2", string.Join(",", users2[0].RoleIds));
+            Assert.Equal(12, users2[1].UserId);
+            Assert.Equal("user2", users2[1].UserName);
+            Assert.Equal("1,2,3", string.Join(",", users2[1].RoleIds));
+            Assert.Equal(14, users2[2].UserId);
+            Assert.Equal("user4", users2[2].UserName);
+            Assert.Equal("3,2,1", string.Join(",", users2[2].RoleIds));
+
+            users2 = roles2[2].Users.ToList();
+            Assert.Equal(3, users2.Count);
+            Assert.Equal(12, users2[0].UserId);
+            Assert.Equal("user2", users2[0].UserName);
+            Assert.Equal("1,2,3", string.Join(",", users2[0].RoleIds));
+            Assert.Equal(13, users2[1].UserId);
+            Assert.Equal("user3", users2[1].UserName);
+            Assert.Equal("1,3", string.Join(",", users2[1].RoleIds));
+            Assert.Equal(14, users2[2].UserId);
+            Assert.Equal("user4", users2[2].UserName);
+            Assert.Equal("3,2,1", string.Join(",", users2[2].RoleIds));
+
+            var role = fsql.Select<Role>().Where(a => a.RoleId == 1).First();
+            Assert.IsType<Role>(role);
+
+            var user = fsql.Select<User>().Where(a => a.UserId == 11).First();
+            Assert.IsType<User>(user);
+        }
+    }
+}
diff --git a/FreeSql/FreeSql.xml b/FreeSql/FreeSql.xml
index 160a7397..434ec7a2 100644
--- a/FreeSql/FreeSql.xml
+++ b/FreeSql/FreeSql.xml
@@ -3303,6 +3303,177 @@
             <param name="parms"></param>
             <returns></returns>
         </member>
+        <member name="M:FreeSql.IAdo.ExecuteConnectTestAsync(System.Int32,System.Threading.CancellationToken)">
+            <summary>
+            测试数据库是否连接正确，本方法执行如下命令：<para></para>
+            MySql/SqlServer/PostgreSQL/达梦/人大金仓/神通: SELECT 1<para></para>
+            Oracle: SELECT 1 FROM dual<para></para>
+            </summary>
+            <param name="commandTimeout">命令超时设置(秒)</param>
+            <param name="cancellationToken"></param>
+            <returns>true: 成功, false: 失败</returns>
+        </member>
+        <member name="M:FreeSql.IAdo.ExecuteReaderAsync(System.Func{FreeSql.Internal.Model.FetchCallbackArgs{System.Data.Common.DbDataReader},System.Threading.Tasks.Task},System.Data.CommandType,System.String,System.Data.Common.DbParameter[],System.Threading.CancellationToken)">
+            <summary>
+            查询，若使用读写分离，查询【从库】条件cmdText.StartsWith("SELECT ")，否则查询【主库】
+            </summary>
+            <param name="readerHander"></param>
+            <param name="cmdType"></param>
+            <param name="cmdText"></param>
+            <param name="cmdParms"></param>
+            <param name="cancellationToken"></param>
+        </member>
+        <member name="M:FreeSql.IAdo.ExecuteReaderAsync(System.Func{FreeSql.Internal.Model.FetchCallbackArgs{System.Data.Common.DbDataReader},System.Threading.Tasks.Task},System.String,System.Object,System.Threading.CancellationToken)">
+            <summary>
+            查询，ExecuteReaderAsync(dr => {}, "select * from user where age > @age", new { age = 25 })<para></para>
+            提示：parms 参数还可以传 Dictionary&lt;string, object&gt;
+            </summary>
+            <param name="readerHander"></param>
+            <param name="cmdText"></param>
+            <param name="parms"></param>
+            <param name="cancellationToken"></param>
+        </member>
+        <member name="M:FreeSql.IAdo.ExecuteArrayAsync(System.Data.CommandType,System.String,System.Data.Common.DbParameter[],System.Threading.CancellationToken)">
+            <summary>
+            查询
+            </summary>
+            <param name="cmdType"></param>
+            <param name="cmdText"></param>
+            <param name="cmdParms"></param>
+            <param name="cancellationToken"></param>
+        </member>
+        <member name="M:FreeSql.IAdo.ExecuteArrayAsync(System.String,System.Object,System.Threading.CancellationToken)">
+            <summary>
+            查询，ExecuteArrayAsync("select * from user where age > @age", new { age = 25 })<para></para>
+            提示：parms 参数还可以传 Dictionary&lt;string, object&gt;
+            </summary>
+            <param name="cmdText"></param>
+            <param name="parms"></param>
+            <param name="cancellationToken"></param>
+            <returns></returns>
+        </member>
+        <member name="M:FreeSql.IAdo.ExecuteDataSetAsync(System.Data.CommandType,System.String,System.Data.Common.DbParameter[],System.Threading.CancellationToken)">
+            <summary>
+            查询
+            </summary>
+            <param name="cmdType"></param>
+            <param name="cmdText"></param>
+            <param name="cmdParms"></param>
+            <param name="cancellationToken"></param>
+        </member>
+        <member name="M:FreeSql.IAdo.ExecuteDataSetAsync(System.String,System.Object,System.Threading.CancellationToken)">
+            <summary>
+            查询，ExecuteDataSetAsync("select * from user where age > @age; select 2", new { age = 25 })<para></para>
+            提示：parms 参数还可以传 Dictionary&lt;string, object&gt;
+            </summary>
+            <param name="cmdText"></param>
+            <param name="parms"></param>
+            <param name="cancellationToken"></param>
+            <returns></returns>
+        </member>
+        <member name="M:FreeSql.IAdo.ExecuteDataTableAsync(System.Data.CommandType,System.String,System.Data.Common.DbParameter[],System.Threading.CancellationToken)">
+            <summary>
+            查询
+            </summary>
+            <param name="cmdType"></param>
+            <param name="cmdText"></param>
+            <param name="cmdParms"></param>
+            <param name="cancellationToken"></param>
+        </member>
+        <member name="M:FreeSql.IAdo.ExecuteDataTableAsync(System.String,System.Object,System.Threading.CancellationToken)">
+            <summary>
+            查询，ExecuteDataTableAsync("select * from user where age > @age", new { age = 25 })<para></para>
+            提示：parms 参数还可以传 Dictionary&lt;string, object&gt;
+            </summary>
+            <param name="cmdText"></param>
+            <param name="parms"></param>
+            <param name="cancellationToken"></param>
+            <returns></returns>
+        </member>
+        <member name="M:FreeSql.IAdo.ExecuteNonQueryAsync(System.Data.CommandType,System.String,System.Data.Common.DbParameter[],System.Threading.CancellationToken)">
+            <summary>
+            在【主库】执行
+            </summary>
+            <param name="cmdType"></param>
+            <param name="cmdText"></param>
+            <param name="cmdParms"></param>
+            <param name="cancellationToken"></param>
+        </member>
+        <member name="M:FreeSql.IAdo.ExecuteNonQueryAsync(System.String,System.Object,System.Threading.CancellationToken)">
+            <summary>
+            在【主库】执行，ExecuteNonQueryAsync("delete from user where age > @age", new { age = 25 })<para></para>
+            提示：parms 参数还可以传 Dictionary&lt;string, object&gt;
+            </summary>
+            <param name="cmdText"></param>
+            <param name="parms"></param>
+            <param name="cancellationToken"></param>
+            <returns></returns>
+        </member>
+        <member name="M:FreeSql.IAdo.ExecuteScalarAsync(System.Data.CommandType,System.String,System.Data.Common.DbParameter[],System.Threading.CancellationToken)">
+            <summary>
+            在【主库】执行
+            </summary>
+            <param name="cmdType"></param>
+            <param name="cmdText"></param>
+            <param name="cmdParms"></param>
+            <param name="cancellationToken"></param>
+        </member>
+        <member name="M:FreeSql.IAdo.ExecuteScalarAsync(System.String,System.Object,System.Threading.CancellationToken)">
+            <summary>
+            在【主库】执行，ExecuteScalarAsync("select 1 from user where age > @age", new { age = 25 })<para></para>
+            提示：parms 参数还可以传 Dictionary&lt;string, object&gt;
+            </summary>
+            <param name="cmdText"></param>
+            <param name="parms"></param>
+            <param name="cancellationToken"></param>
+            <returns></returns>
+        </member>
+        <member name="M:FreeSql.IAdo.QueryAsync``1(System.Data.CommandType,System.String,System.Data.Common.DbParameter[],System.Threading.CancellationToken)">
+            <summary>
+            执行SQL返回对象集合，QueryAsync&lt;User&gt;("select * from user where age > @age", new SqlParameter { ParameterName = "age", Value = 25 })
+            </summary>
+            <typeparam name="T"></typeparam>
+            <param name="cmdType"></param>
+            <param name="cmdText"></param>
+            <param name="cmdParms"></param>
+            <param name="cancellationToken"></param>
+            <returns></returns>
+        </member>
+        <member name="M:FreeSql.IAdo.QueryAsync``1(System.String,System.Object,System.Threading.CancellationToken)">
+            <summary>
+            执行SQL返回对象集合，QueryAsync&lt;User&gt;("select * from user where age > @age", new { age = 25 })<para></para>
+            提示：parms 参数还可以传 Dictionary&lt;string, object&gt;
+            </summary>
+            <typeparam name="T"></typeparam>
+            <param name="cmdText"></param>
+            <param name="parms"></param>
+            <param name="cancellationToken"></param>
+            <returns></returns>
+        </member>
+        <member name="M:FreeSql.IAdo.QueryAsync``2(System.Data.CommandType,System.String,System.Data.Common.DbParameter[],System.Threading.CancellationToken)">
+            <summary>
+            执行SQL返回对象集合，Query&lt;User&gt;("select * from user where age > @age; select * from address", new SqlParameter { ParameterName = "age", Value = 25 })
+            </summary>
+            <typeparam name="T1"></typeparam>
+            <typeparam name="T2"></typeparam>
+            <param name="cmdType"></param>
+            <param name="cmdText"></param>
+            <param name="cmdParms"></param>
+            <param name="cancellationToken"></param>
+            <returns></returns>
+        </member>
+        <member name="M:FreeSql.IAdo.QueryAsync``2(System.String,System.Object,System.Threading.CancellationToken)">
+            <summary>
+            执行SQL返回对象集合，Query&lt;User, Address&gt;("select * from user where age > @age; select * from address", new { age = 25 })<para></para>
+            提示：parms 参数还可以传 Dictionary&lt;string, object&gt;
+            </summary>
+            <typeparam name="T1"></typeparam>
+            <typeparam name="T2"></typeparam>
+            <param name="cmdText"></param>
+            <param name="parms"></param>
+            <param name="cancellationToken"></param>
+            <returns></returns>
+        </member>
         <member name="E:FreeSql.IAop.ParseExpression">
             <summary>
             可自定义解析表达式
@@ -4326,6 +4497,12 @@
             <param name="timeout">超时</param>
             <returns></returns>
         </member>
+        <member name="M:FreeSql.Internal.ObjectPool.IObjectPool`1.GetAsync">
+            <summary>
+            获取资源
+            </summary>
+            <returns></returns>
+        </member>
         <member name="M:FreeSql.Internal.ObjectPool.IObjectPool`1.Return(FreeSql.Internal.ObjectPool.Object{`0},System.Boolean)">
             <summary>
             使用完毕后，归还资源
@@ -4401,6 +4578,12 @@
             </summary>
             <param name="obj">资源对象</param>
         </member>
+        <member name="M:FreeSql.Internal.ObjectPool.IPolicy`1.OnGetAsync(FreeSql.Internal.ObjectPool.Object{`0})">
+            <summary>
+            从对象池获取对象成功的时候触发，通过该方法统计或初始化对象
+            </summary>
+            <param name="obj">资源对象</param>
+        </member>
         <member name="M:FreeSql.Internal.ObjectPool.IPolicy`1.OnReturn(FreeSql.Internal.ObjectPool.Object{`0})">
             <summary>
             归还对象给对象池的时候触发
diff --git a/FreeSql/Internal/CommonExpression.cs b/FreeSql/Internal/CommonExpression.cs
index 30c34799..9b22e35d 100644
--- a/FreeSql/Internal/CommonExpression.cs
+++ b/FreeSql/Internal/CommonExpression.cs
@@ -1212,9 +1212,19 @@ namespace FreeSql.Internal
                                                 var amtReftbname = ExpressionLambdaToSql(Expression.MakeMemberAccess(asSelectParentExp, parm123Tb.Properties[parm123Tb.ColumnsByPosition[0].CsName]), tsc);
                                                 amtReftbname = amtReftbname.Substring(0, amtReftbname.Length - _common.QuoteSqlName(parm123Tb.ColumnsByPosition[0].Attribute.Name).Length - 1);
                                                 if (parm123Ref.RefColumns[0] == fsqltables[0].Table.Primarys[0])
-                                                    (fsql as Select0Provider)._where.Append(" AND (").Append($"{amtReftbname}.{_common.QuoteSqlName(parm123Ref.Columns[0].Attribute.Name)} @> {fsqltables[0].Alias}.{_common.QuoteSqlName(parm123Ref.RefColumns[0].Attribute.Name)}").Append(")");
-                                                else if (parm123Ref.Columns[0] == fsqltables[0].Table.Primarys[0])
-                                                    (fsql as Select0Provider)._where.Append(" AND (").Append($"{amtReftbname}.{_common.QuoteSqlName(parm123Ref.RefColumns[0].Attribute.Name)} @> {fsqltables[0].Alias}.{_common.QuoteSqlName(parm123Ref.Columns[0].Attribute.Name)}").Append(")");
+                                                {
+                                                    var dbinfo = _common._orm.CodeFirst.GetDbInfo(parm123Ref.Columns[0].CsType);
+                                                    (fsql as Select0Provider)._where.Append(" AND (").Append($"{amtReftbname}.{_common.QuoteSqlName(parm123Ref.Columns[0].Attribute.Name)} @> ARRAY[{fsqltables[0].Alias}.{_common.QuoteSqlName(parm123Ref.RefColumns[0].Attribute.Name)}]::{dbinfo?.dbtype}").Append(")");
+                                                }
+                                                else if (parm123Ref.Columns[0] == parm123Tb.Primarys[0])
+                                                {
+                                                    var dbinfo = _common._orm.CodeFirst.GetDbInfo(parm123Ref.RefColumns[0].CsType);
+                                                    (fsql as Select0Provider)._where.Append(" AND (").Append($"{fsqltables[0].Alias}.{_common.QuoteSqlName(parm123Ref.RefColumns[0].Attribute.Name)} @> ARRAY[{amtReftbname}.{_common.QuoteSqlName(parm123Ref.Columns[0].Attribute.Name)}]::{dbinfo?.dbtype}").Append(")");
+                                                }
+                                                else
+                                                {
+                                                    ;
+                                                }
                                             }
                                             else
                                             {
@@ -2213,9 +2223,19 @@ namespace FreeSql.Internal
                         var amtReftbname = e.FreeParse(Expression.MakeMemberAccess(memberExp.Expression, exp3Tb.Properties[exp3Tb.ColumnsByPosition[0].CsName]));
                         amtReftbname = amtReftbname.Substring(0, amtReftbname.Length - commonExp._common.QuoteSqlName(exp3Tb.ColumnsByPosition[0].Attribute.Name).Length - 1);
                         if (memberTbref.RefColumns[0] == select._tables[0].Table.Primarys[0])
-                            select.Where($"{amtReftbname}.{commonExp._common.QuoteSqlName(memberTbref.Columns[0].Attribute.Name)} @> {select._tables[0].Alias}.{commonExp._common.QuoteSqlName(memberTbref.RefColumns[0].Attribute.Name)}");
-                        else if (memberTbref.Columns[0] == select._tables[0].Table.Primarys[0])
-                            select.Where($"{amtReftbname}.{commonExp._common.QuoteSqlName(memberTbref.RefColumns[0].Attribute.Name)} @> {select._tables[0].Alias}.{commonExp._common.QuoteSqlName(memberTbref.Columns[0].Attribute.Name)}");
+                        {
+                            var dbinfo = commonExp._common._orm.CodeFirst.GetDbInfo(memberTbref.Columns[0].CsType);
+                            select.Where($"{amtReftbname}.{commonExp._common.QuoteSqlName(memberTbref.Columns[0].Attribute.Name)} @> ARRAY[{select._tables[0].Alias}.{commonExp._common.QuoteSqlName(memberTbref.RefColumns[0].Attribute.Name)}]::{dbinfo?.dbtype}");
+                        } 
+                        else if (memberTbref.Columns[0] == exp3Tb.Primarys[0])
+                        {
+                            var dbinfo = commonExp._common._orm.CodeFirst.GetDbInfo(memberTbref.RefColumns[0].CsType);
+                            select.Where($"{select._tables[0].Alias}.{commonExp._common.QuoteSqlName(memberTbref.RefColumns[0].Attribute.Name)} @> ARRAY[{amtReftbname}.{commonExp._common.QuoteSqlName(memberTbref.Columns[0].Attribute.Name)}]::{dbinfo?.dbtype}");
+                        }
+                        else
+                        {
+                            ;
+                        }
                         break;
                 }
 
diff --git a/FreeSql/Internal/UtilsExpressionTree.cs b/FreeSql/Internal/UtilsExpressionTree.cs
index 35fff582..23250bb1 100644
--- a/FreeSql/Internal/UtilsExpressionTree.cs
+++ b/FreeSql/Internal/UtilsExpressionTree.cs
@@ -1044,11 +1044,14 @@ namespace FreeSql.Internal
                             isArrayToMany = trycol != null;
                             if (isArrayToMany)
                             {
-                                cscodeExtLogic1 = $"			if (this.{trycol.CsName} == null) return null;			\r\nif (this.{trycol.CsName}.Any() == false) return new {(propTypeIsObservableCollection ? "ObservableCollection" : "List")}<{propElementType.DisplayCsharp()}>();\r\n";
-                                cscodeExtLogic2 = $"			loc2 = this.{trycol.CsName}.Select(a => loc2.FirstOrDefault(b => b.{tbref.Primarys[0].CsName} == a)).ToList();";
-                                lmbdWhere.Append("this.").Append(trycol.CsName).Append(".Contains(a.").Append(tbref.Primarys[0].CsName);
-                                if (trycol.CsType.GetElementType().IsNullableType() == false && tbref.Primarys[0].CsType.IsNullableType()) lmbdWhere.Append(".Value");
-                                lmbdWhere.Append(")");
+                                if (isLazy)
+                                {
+                                    cscodeExtLogic1 = $"			if (this.{trycol.CsName} == null) return null;			\r\nif (this.{trycol.CsName}.Any() == false) return new {(propTypeIsObservableCollection ? "ObservableCollection" : "List")}<{propElementType.DisplayCsharp()}>();\r\n";
+                                    cscodeExtLogic2 = $"			loc2 = this.{trycol.CsName}.Select(a => loc2.FirstOrDefault(b => b.{tbref.Primarys[0].CsName} == a)).ToList();";
+                                    lmbdWhere.Append("this.").Append(trycol.CsName).Append(".Contains(a.").Append(tbref.Primarys[0].CsName);
+                                    if (trycol.CsType.GetElementType().IsNullableType() == false && tbref.Primarys[0].CsType.IsNullableType()) lmbdWhere.Append(".Value");
+                                    lmbdWhere.Append(")");
+                                }
                                 nvref.Columns.Add(trycol);
                                 nvref.RefColumns.Add(tbref.Primarys[0]);
                                 nvref.RefEntityType = tbref.Type;
@@ -1091,13 +1094,16 @@ namespace FreeSql.Internal
                             isArrayToMany = trycol != null;
                             if (isArrayToMany)
                             {
-                                lmbdWhere.Append("a.").Append(trycol.CsName).Append(".Contains(this.").Append(trytb.Primarys[0].CsName);
-                                if (trycol.CsType.GetElementType().IsNullableType() == false && trytb.Primarys[0].CsType.IsNullableType())
+                                if (isLazy)
                                 {
-                                    lmbdWhere.Append(".Value");
-                                    cscodeExtLogic1 = $"			if (this.{trytb.Primarys[0].CsName} == null) return null;\r\n";
+                                    lmbdWhere.Append("a.").Append(trycol.CsName).Append(".Contains(this.").Append(trytb.Primarys[0].CsName);
+                                    if (trycol.CsType.GetElementType().IsNullableType() == false && trytb.Primarys[0].CsType.IsNullableType())
+                                    {
+                                        lmbdWhere.Append(".Value");
+                                        cscodeExtLogic1 = $"			if (this.{trytb.Primarys[0].CsName} == null) return null;\r\n";
+                                    }
+                                    lmbdWhere.Append(")");
                                 }
-                                lmbdWhere.Append(")");
                                 nvref.Columns.Add(trytb.Primarys[0]);
                                 nvref.RefColumns.Add(trycol);
                                 nvref.RefEntityType = tbref.Type;