diff --git a/Src/Asp.Net/SqlServerTest/UnitTest/UOneManyMany.cs b/Src/Asp.Net/SqlServerTest/UnitTest/UOneManyMany.cs
index acded05f0..98c1e9558 100644
--- a/Src/Asp.Net/SqlServerTest/UnitTest/UOneManyMany.cs
+++ b/Src/Asp.Net/SqlServerTest/UnitTest/UOneManyMany.cs
@@ -9,36 +9,36 @@ namespace OrmTest
     public class UOneManyMany
     {
 
-        public static void init() 
+        public static void init()
         {
 
             var db = NewUnitTest.Db;
-            db.CodeFirst.InitTables<Student_001, School_001, Room_001,Desk_001>();
+            db.CodeFirst.InitTables<Student_001, School_001, Room_001, Desk_001>();
             db.DbMaintenance.TruncateTable<Student_001, School_001, Room_001, Desk_001>();
 
             db.Insertable(new Student_001() { sid = 1, Name = "北大jack", SchoolId = 1 }).ExecuteCommand();
-            db.Insertable(new Student_001() { sid = 2, Name = "青华jack", SchoolId = 2}).ExecuteCommand();
+            db.Insertable(new Student_001() { sid = 2, Name = "青华jack", SchoolId = 2 }).ExecuteCommand();
 
-            db.Insertable(new School_001() { scid = 1,  schname = "北大" }).ExecuteCommand();
-            db.Insertable(new School_001() { scid = 2, schname = "青华"  }).ExecuteCommand();
+            db.Insertable(new School_001() { scid = 1, schname = "北大" }).ExecuteCommand();
+            db.Insertable(new School_001() { scid = 2, schname = "青华" }).ExecuteCommand();
 
 
-            db.Insertable(new Room_001() {  roomId = 1,  schoolId =1, roomName= "北大01室" }).ExecuteCommand();
-            db.Insertable(new Room_001() {  roomId = 2,  schoolId =1, roomName="北大02室" }).ExecuteCommand();
+            db.Insertable(new Room_001() { roomId = 1, schoolId = 1, roomName = "北大01室" }).ExecuteCommand();
+            db.Insertable(new Room_001() { roomId = 2, schoolId = 1, roomName = "北大02室" }).ExecuteCommand();
             db.Insertable(new Room_001() { roomId = 3, schoolId = 2, roomName = "青华03室" }).ExecuteCommand();
             db.Insertable(new Room_001() { roomId = 4, schoolId = 2, roomName = "青华04室" }).ExecuteCommand();
 
-            db.Insertable(new Desk_001() { roomId = 1,  deskid = 1,  deskName = "北大01室_01" }).ExecuteCommand();
-            db.Insertable(new Desk_001() { roomId = 2,  deskid = 2, deskName = "北大02室_01" }).ExecuteCommand();
-            db.Insertable(new Desk_001() { roomId = 3,  deskid = 3, deskName = "青华03室_01" }).ExecuteCommand();
+            db.Insertable(new Desk_001() { roomId = 1, deskid = 1, deskName = "北大01室_01" }).ExecuteCommand();
+            db.Insertable(new Desk_001() { roomId = 2, deskid = 2, deskName = "北大02室_01" }).ExecuteCommand();
+            db.Insertable(new Desk_001() { roomId = 3, deskid = 3, deskName = "青华03室_01" }).ExecuteCommand();
             db.Insertable(new Desk_001() { roomId = 4, deskid = 4, deskName = "青华04室_01" }).ExecuteCommand();
 
 
-            var list=db.Queryable<Student_001>()
-                         .Includes(x => x.school_001, x => x.rooms)
-                .Where(x=>x.school_001.rooms.Any(z=>z.rooms.Any())).ToList();
+            var list = db.Queryable<Student_001>()
+                         .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)
+            if (list.Count() != 2)
             {
                 throw new Exception("unit error");
             }
@@ -46,8 +46,8 @@ namespace OrmTest
             var list2 = db.Queryable<Student_001>()
                          .Includes(x => x.school_001, x => x.rooms)
             .Where(x => x.school_001.rooms.Any(z =>
-            z.roomName== "北大01室" &&
-            z.rooms.Any())).ToList();
+            z.roomName == "北大01室" &&
+            z.desk.Any())).ToList();
 
 
             if (list2.Count() != 1)
@@ -56,12 +56,12 @@ namespace OrmTest
             }
 
             var list3 = db.Queryable<Student_001>()
-                .Includes(x=>x.school_001,x=>x.rooms)
+                .Includes(x => x.school_001, x => x.rooms)
          .Where(x => x.school_001.rooms.Any(z =>
          z.roomName == "青华03室" &&
-         z.rooms.Any(c=>c.deskName== "青华03室_01"))).ToList();
+         z.desk.Any(c => c.deskName == "青华03室_01"))).ToList();
 
-            if (list3.Count != 1) 
+            if (list3.Count != 1)
             {
                 throw new Exception("unit error");
             }
@@ -69,14 +69,28 @@ namespace OrmTest
             var list4 = db.Queryable<Student_001>()
         .Where(x => x.school_001.rooms.Any(z =>
         z.roomName == "青华03室" &&
-        z.rooms.Any(c => c.deskName == "青华04室_01"))).ToList();
+        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_001, School_001, Room_001, Desk_001>();
+            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_001>().Count() != 4 || db.Queryable<Room_001>().Count() != 4
+                || db.Queryable<School_001>().Count() != 2 || db.Queryable<Student_001>().Count() != 2) 
+            {
+                throw new Exception("unit error");
+            }
         }
 
         public class Student_001 
@@ -107,7 +121,7 @@ namespace OrmTest
             public int schoolId { get; set; }
             public string roomName { get; set; }
             [SqlSugar.Navigate(SqlSugar.NavigateType.OneToMany, nameof(Desk_001.roomId))]
-            public List<Desk_001> rooms { get; set; }
+            public List<Desk_001> desk { get; set; }
         }
 
         public class Desk_001