diff --git a/Src/Asp.Net/SqlServerTest/SqlServerTest.csproj b/Src/Asp.Net/SqlServerTest/SqlServerTest.csproj
index d470c81eb..898083d7d 100644
--- a/Src/Asp.Net/SqlServerTest/SqlServerTest.csproj
+++ b/Src/Asp.Net/SqlServerTest/SqlServerTest.csproj
@@ -139,7 +139,8 @@
     <Compile Include="UnitTest\UDelete.cs" />
     <Compile Include="UnitTest\UFastest.cs" />
     <Compile Include="UnitTest\UConfig.cs" />
-    <Compile Include="UnitTest\UOneManyMany 2.cs" />
+    <Compile Include="UnitTest\UOneManyMany3.cs" />
+    <Compile Include="UnitTest\UOneManyMany2.cs" />
     <Compile Include="UnitTest\UOneManyMany.cs" />
     <Compile Include="UnitTest\USplit.cs" />
     <Compile Include="UnitTest\Models\TB_AdminUser.cs" />
diff --git a/Src/Asp.Net/SqlServerTest/UnitTest/Main.cs b/Src/Asp.Net/SqlServerTest/UnitTest/Main.cs
index d0f29e058..5b5673394 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()
         {
 
+            UOneManyMany3.init();
             UOneManyMany2.init();
             UOneManyMany.init();
             UNavDynamic111N.Init();
diff --git a/Src/Asp.Net/SqlServerTest/UnitTest/UOneManyMany 2.cs b/Src/Asp.Net/SqlServerTest/UnitTest/UOneManyMany2.cs
similarity index 100%
rename from Src/Asp.Net/SqlServerTest/UnitTest/UOneManyMany 2.cs
rename to Src/Asp.Net/SqlServerTest/UnitTest/UOneManyMany2.cs
diff --git a/Src/Asp.Net/SqlServerTest/UnitTest/UOneManyMany3.cs b/Src/Asp.Net/SqlServerTest/UnitTest/UOneManyMany3.cs
new file mode 100644
index 000000000..44417159a
--- /dev/null
+++ b/Src/Asp.Net/SqlServerTest/UnitTest/UOneManyMany3.cs
@@ -0,0 +1,166 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace OrmTest 
+{
+    public class UOneManyMany3
+    {
+
+        public static void init()
+        {
+
+            var db = NewUnitTest.Db;
+            db.CodeFirst.InitTables<Student_003, School_003, Room_003, Desk_003>();
+            db.DbMaintenance.TruncateTable<Student_003, School_003, Room_003, Desk_003>();
+
+            db.Insertable(new Student_003() { sid = 1, Name = "北大jack", SchoolId = 1 }).ExecuteCommand();
+            db.Insertable(new Student_003() { sid = 2, Name = "青华jack", SchoolId = 2 }).ExecuteCommand();
+
+            db.Insertable(new School_003() { scid = 1, schname = "北大" }).ExecuteCommand();
+            db.Insertable(new School_003() { scid = 2, schname = "青华" }).ExecuteCommand();
+
+
+            db.Insertable(new Room_003() { roomId = 1, schoolId = 1, roomName = "北大01室" }).ExecuteCommand();
+            db.Insertable(new Room_003() { roomId = 2, schoolId = 1, roomName = "北大02室" }).ExecuteCommand();
+            db.Insertable(new Room_003() { roomId = 3, schoolId = 2, roomName = "青华03室" }).ExecuteCommand();
+            db.Insertable(new Room_003() { roomId = 4, schoolId = 2, roomName = "青华04室" }).ExecuteCommand();
+
+            db.Insertable(new Desk_003() { roomId = 1, deskid = 1, deskName = "北大01室_01" }).ExecuteCommand();
+            db.Insertable(new Desk_003() { roomId = 2, deskid = 2, deskName = "北大02室_01" }).ExecuteCommand();
+            db.Insertable(new Desk_003() { roomId = 3, deskid = 3, deskName = "青华03室_01" }).ExecuteCommand();
+            db.Insertable(new Desk_003() { roomId = 4, deskid = 4, deskName = "青华04室_01" }).ExecuteCommand();
+
+
+            var list = db.Queryable<Student_003>()
+                         .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_003>()
+                         .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_003>()
+                .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_003>()
+        .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_003, School_003, Room_003, Desk_003>();
+            foreach (var item in list) 
+            {
+                item.sid = 0;
+                item.SchoolId = 0;
+                item.school_001.scid = 0;
+                foreach (var r in item.school_001.rooms)
+                {
+                    r.roomId = 0;
+                    r.schoolId = 0;
+                    foreach (var z in r.desk)
+                    {
+                        z.deskid = 0;
+                        z.roomId = 0;
+                    }
+                }
+            }
+            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_003>().Count() != 4 || db.Queryable<Room_003>().Count() != 4
+                || db.Queryable<School_003>().Count() != 2 || db.Queryable<Student_003>().Count() != 2) 
+            {
+                throw new Exception("unit error");
+            }
+
+            db.DbMaintenance.TruncateTable<Student_003, School_003, Room_003, Desk_003>();
+
+            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_003>().Count() != 4 || db.Queryable<Room_003>().Count() != 4
+               || db.Queryable<School_003>().Count() != 2 || db.Queryable<Student_003>().Count() != 0)
+            {
+                throw new Exception("unit error");
+            }
+        }
+
+        public class Student_003 
+        {
+            [SqlSugar.SugarColumn(IsPrimaryKey =true)]
+            public long sid { get; set; } 
+            public string Name { get; set; }
+
+            public long SchoolId { get; set; }
+            [SqlSugar.Navigate(SqlSugar.NavigateType.OneToOne,nameof(SchoolId))]
+            public School_003 school_001 { get; set; }  
+
+        }
+
+        public class School_003
+        {
+            [SqlSugar.SugarColumn(IsPrimaryKey = true )]
+            public long scid { get; set; }
+            public string schname { get; set; }
+            [SqlSugar.Navigate(SqlSugar.NavigateType.OneToMany, nameof(Room_003.schoolId))]
+            public List<Room_003> rooms { get; set; }
+        }
+
+        public class Room_003 
+        {
+            [SqlSugar.SugarColumn(IsPrimaryKey = true )]
+            public long roomId { get; set; }
+            public long schoolId { get; set; }
+            public string roomName { get; set; }
+            [SqlSugar.Navigate(SqlSugar.NavigateType.OneToMany, nameof(Desk_003.roomId))]
+            public List<Desk_003> desk { get; set; }
+        }
+
+        public class Desk_003 
+        {
+            [SqlSugar.SugarColumn(IsPrimaryKey = true)]
+            public long deskid { get; set; }
+            public string deskName { get; set; }
+            public long roomId { get; set; }
+        }
+    }
+}