diff --git a/Src/Asp.Net/SqlServerTest/SqlServerTest.csproj b/Src/Asp.Net/SqlServerTest/SqlServerTest.csproj
index 898083d7d..be27f87e6 100644
--- a/Src/Asp.Net/SqlServerTest/SqlServerTest.csproj
+++ b/Src/Asp.Net/SqlServerTest/SqlServerTest.csproj
@@ -139,6 +139,7 @@
     <Compile Include="UnitTest\UDelete.cs" />
     <Compile Include="UnitTest\UFastest.cs" />
     <Compile Include="UnitTest\UConfig.cs" />
+    <Compile Include="UnitTest\UOneManyMany4.cs" />
     <Compile Include="UnitTest\UOneManyMany3.cs" />
     <Compile Include="UnitTest\UOneManyMany2.cs" />
     <Compile Include="UnitTest\UOneManyMany.cs" />
diff --git a/Src/Asp.Net/SqlServerTest/UnitTest/Main.cs b/Src/Asp.Net/SqlServerTest/UnitTest/Main.cs
index 5b5673394..9bd91cd54 100644
--- a/Src/Asp.Net/SqlServerTest/UnitTest/Main.cs
+++ b/Src/Asp.Net/SqlServerTest/UnitTest/Main.cs
@@ -32,6 +32,7 @@ namespace OrmTest
         public static void Init()
         {
 
+            UOneManyMany4.init();
             UOneManyMany3.init();
             UOneManyMany2.init();
             UOneManyMany.init();
diff --git a/Src/Asp.Net/SqlServerTest/UnitTest/UOneManyMany4.cs b/Src/Asp.Net/SqlServerTest/UnitTest/UOneManyMany4.cs
new file mode 100644
index 000000000..a227b45db
--- /dev/null
+++ b/Src/Asp.Net/SqlServerTest/UnitTest/UOneManyMany4.cs
@@ -0,0 +1,170 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace OrmTest 
+{
+    public class UOneManyMany4
+    {
+
+        public static void init()
+        {
+
+            var db = NewUnitTest.Db;
+            db.CodeFirst.InitTables<Student_004, School_004, Room_004, Desk_004>();
+            db.DbMaintenance.TruncateTable<Student_004, School_004, Room_004, Desk_004>();
+
+            var id1 = Guid.NewGuid();
+            var id2 = Guid.NewGuid();
+            var id3 = Guid.NewGuid();
+            var id4 = Guid.NewGuid();
+            db.Insertable(new Student_004() { sid = id1, Name = "北大jack", SchoolId = id1 }).ExecuteCommand();
+            db.Insertable(new Student_004() { sid = id2, Name = "青华jack", SchoolId = id2 }).ExecuteCommand();
+
+            db.Insertable(new School_004() { scid = id1, schname = "北大" }).ExecuteCommand();
+            db.Insertable(new School_004() { scid = id2, schname = "青华" }).ExecuteCommand();
+
+
+            db.Insertable(new Room_004() { roomId = id1, schoolId = id1, roomName = "北大01室" }).ExecuteCommand();
+            db.Insertable(new Room_004() { roomId = id2, schoolId = id1, roomName = "北大02室" }).ExecuteCommand();
+            db.Insertable(new Room_004() { roomId = id3, schoolId = id2, roomName = "青华03室" }).ExecuteCommand();
+            db.Insertable(new Room_004() { roomId = id4, schoolId = id2, roomName = "青华04室" }).ExecuteCommand();
+
+            db.Insertable(new Desk_004() { roomId = id1, deskid = id1, deskName = "北大01室_01" }).ExecuteCommand();
+            db.Insertable(new Desk_004() { roomId = id2, deskid = id2, deskName = "北大02室_01" }).ExecuteCommand();
+            db.Insertable(new Desk_004() { roomId = id3, deskid = id3, deskName = "青华03室_01" }).ExecuteCommand();
+            db.Insertable(new Desk_004() { roomId = id4, deskid = id4, deskName = "青华04室_01" }).ExecuteCommand();
+
+
+            var list = db.Queryable<Student_004>()
+                         .Includes(x => x.school_001, x => x.rooms, x => x.desk)
+                .Where(x => x.school_001.rooms.Any(z => z.desk.Any())).ToList();
+
+            if (list.Count() != 2)
+            {
+                throw new Exception("unit error");
+            }
+
+            var list2 = db.Queryable<Student_004>()
+                         .Includes(x => x.school_001, x => x.rooms)
+            .Where(x => x.school_001.rooms.Any(z =>
+            z.roomName == "北大01室" &&
+            z.desk.Any())).ToList();
+
+
+            if (list2.Count() != 1)
+            {
+                throw new Exception("unit error");
+            }
+
+            var list3 = db.Queryable<Student_004>()
+                .Includes(x => x.school_001, x => x.rooms)
+         .Where(x => x.school_001.rooms.Any(z =>
+         z.roomName == "青华03室" &&
+         z.desk.Any(c => c.deskName == "青华03室_01"))).ToList();
+
+            if (list3.Count != 1)
+            {
+                throw new Exception("unit error");
+            }
+
+            var list4 = db.Queryable<Student_004>()
+        .Where(x => x.school_001.rooms.Any(z =>
+        z.roomName == "青华03室" &&
+        z.desk.Any(c => c.deskName == "青华04室_01"))).ToList();
+
+
+            if (list4.Count != 0)
+            {
+                throw new Exception("unit error");
+            }
+            db.DbMaintenance.TruncateTable<Student_004, School_004, Room_004, Desk_004>();
+            foreach (var item in list) 
+            {
+                item.sid = Guid.Empty;
+                item.SchoolId = Guid.Empty;
+                item.school_001.scid = Guid.Empty;
+                foreach (var r in item.school_001.rooms)
+                {
+                    r.roomId = Guid.Empty;
+                    r.schoolId = Guid.Empty;
+                    foreach (var z in r.desk)
+                    {
+                        z.deskid = Guid.Empty;
+                        z.roomId = Guid.Empty;
+                    }
+                }
+            }
+            db.InsertNav(list.First())
+                .ThenInclude(x => x.school_001)
+                .ThenInclude(x => x.rooms)
+                .ThenInclude(x => x.desk);
+            db.InsertNav(list.Last())
+              .ThenInclude(x => x.school_001)
+              .ThenInclude(x => x.rooms)
+              .ThenInclude(x => x.desk);
+
+            if (db.Queryable<Desk_004>().Count() != 4 || db.Queryable<Room_004>().Count() != 4
+                || db.Queryable<School_004>().Count() != 2 || db.Queryable<Student_004>().Count() != 2) 
+            {
+                throw new Exception("unit error");
+            }
+
+            db.DbMaintenance.TruncateTable<Student_004, School_004, Room_004, Desk_004>();
+
+            db.InsertNav(list.First().school_001)
+             .ThenInclude(x => x.rooms)
+             .ThenInclude(x => x.desk);
+            db.InsertNav(list.Last().school_001)
+              .ThenInclude(x => x.rooms)
+              .ThenInclude(x => x.desk);
+
+            if (db.Queryable<Desk_004>().Count() != 4 || db.Queryable<Room_004>().Count() != 4
+               || db.Queryable<School_004>().Count() != 2 || db.Queryable<Student_004>().Count() != 0)
+            {
+                throw new Exception("unit error");
+            }
+        }
+
+        public class Student_004 
+        {
+            [SqlSugar.SugarColumn(IsPrimaryKey =true)]
+            public Guid sid { get; set; } 
+            public string Name { get; set; }
+
+            public Guid SchoolId { get; set; }
+            [SqlSugar.Navigate(SqlSugar.NavigateType.OneToOne,nameof(SchoolId))]
+            public School_004 school_001 { get; set; }  
+
+        }
+
+        public class School_004
+        {
+            [SqlSugar.SugarColumn(IsPrimaryKey = true )]
+            public Guid scid { get; set; }
+            public string schname { get; set; }
+            [SqlSugar.Navigate(SqlSugar.NavigateType.OneToMany, nameof(Room_004.schoolId))]
+            public List<Room_004> rooms { get; set; }
+        }
+
+        public class Room_004 
+        {
+            [SqlSugar.SugarColumn(IsPrimaryKey = true )]
+            public Guid roomId { get; set; }
+            public Guid schoolId { get; set; }
+            public string roomName { get; set; }
+            [SqlSugar.Navigate(SqlSugar.NavigateType.OneToMany, nameof(Desk_004.roomId))]
+            public List<Desk_004> desk { get; set; }
+        }
+
+        public class Desk_004 
+        {
+            [SqlSugar.SugarColumn(IsPrimaryKey = true)]
+            public Guid deskid { get; set; }
+            public string deskName { get; set; }
+            public Guid roomId { get; set; }
+        }
+    }
+}