diff --git a/Src/Asp.Net/SqlServerTest/SqlServerTest.csproj b/Src/Asp.Net/SqlServerTest/SqlServerTest.csproj
index 4f98162e2..d935ace7d 100644
--- a/Src/Asp.Net/SqlServerTest/SqlServerTest.csproj
+++ b/Src/Asp.Net/SqlServerTest/SqlServerTest.csproj
@@ -97,6 +97,9 @@
     <Compile Include="Models\OrderItem.cs" />
     <Compile Include="Demo\Demo0_SqlSugarClient.cs" />
     <Compile Include="Models\ViewOrder.cs" />
+    <Compile Include="UnitTest\UnitOneToOne12.cs" />
+    <Compile Include="UnitTest\Models\poetry_video_comment.cs" />
+    <Compile Include="UnitTest\Models\user_name_simple.cs" />
     <Compile Include="UnitTest\UnitInsertNav3.cs" />
     <Compile Include="UnitTest\UnitInsertNav2.cs" />
     <Compile Include="UnitTest\UnitInsertNav.cs" />
diff --git a/Src/Asp.Net/SqlServerTest/UnitTest/Main.cs b/Src/Asp.Net/SqlServerTest/UnitTest/Main.cs
index 11a7b2a6e..b8ae45540 100644
--- a/Src/Asp.Net/SqlServerTest/UnitTest/Main.cs
+++ b/Src/Asp.Net/SqlServerTest/UnitTest/Main.cs
@@ -31,6 +31,7 @@ namespace OrmTest
         }
         public static void Init()
         {
+            UnitOneToOne12.Init();
             UnitInsertNav3.Init();
             UnitInsertNav2.Init();
             UnitInsertNav.Init();
diff --git a/Src/Asp.Net/SqlServerTest/UnitTest/Models/poetry_video_comment.cs b/Src/Asp.Net/SqlServerTest/UnitTest/Models/poetry_video_comment.cs
new file mode 100644
index 000000000..8e296b828
--- /dev/null
+++ b/Src/Asp.Net/SqlServerTest/UnitTest/Models/poetry_video_comment.cs
@@ -0,0 +1,57 @@
+using System;
+using System.Linq;
+using System.Text;
+using SqlSugar;
+
+namespace SqlSugarDemo
+{
+    ///<summary>
+    ///
+    ///</summary>
+    [SugarTable("poetry_video_comment")]
+    public partial class poetry_video_comment
+    {
+        [SugarColumn(IsIgnore = true)]
+        [Navigate(NavigateType.OneToOne, nameof(user_id))]
+        public user_name_simple CommentUser { set; get; }
+
+        [SugarColumn(IsIgnore = true)]
+        [Navigate(NavigateType.OneToOne, nameof(reply_user_id))]
+        public user_name_simple ReplyUser { set; get; }
+
+        [SugarColumn(IsIgnore = true)]
+        [Navigate(NavigateType.OneToOne, nameof(first_reply_id))]
+        public poetry_video_comment FirstReply { set; get; }
+
+
+        /// <summary>
+        /// Desc:
+        /// Default:
+        /// Nullable:False
+        /// </summary>           
+        [SugarColumn(IsPrimaryKey = true, IsIdentity = true)]
+        public long id { get; set; }
+
+        /// <summary>
+        /// Desc:
+        /// Default:
+        /// Nullable:True
+        /// </summary>           
+        public int user_id { get; set; }
+
+        public long? first_reply_id { set; get; }
+        /// <summary>
+        /// Desc:
+        /// Default:
+        /// Nullable:True
+        /// </summary>           
+        public int reply_user_id { get; set; }
+
+
+
+
+
+    }
+
+
+}
diff --git a/Src/Asp.Net/SqlServerTest/UnitTest/Models/user_name_simple.cs b/Src/Asp.Net/SqlServerTest/UnitTest/Models/user_name_simple.cs
new file mode 100644
index 000000000..b040cc8bc
--- /dev/null
+++ b/Src/Asp.Net/SqlServerTest/UnitTest/Models/user_name_simple.cs
@@ -0,0 +1,19 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+using SqlSugar;
+namespace SqlSugarDemo
+{
+
+    [SugarTable("user_name_simple")]
+    public class user_name_simple
+    {
+        [SugarColumn(IsPrimaryKey = true, IsIdentity = true)]
+
+        public int id { set; get; }
+        public string name { set; get; }
+        public DateTime create_time { set; get; }
+    }
+
+ 
+}
diff --git a/Src/Asp.Net/SqlServerTest/UnitTest/UnitOneToOne12.cs b/Src/Asp.Net/SqlServerTest/UnitTest/UnitOneToOne12.cs
new file mode 100644
index 000000000..01fcdce80
--- /dev/null
+++ b/Src/Asp.Net/SqlServerTest/UnitTest/UnitOneToOne12.cs
@@ -0,0 +1,52 @@
+using SqlSugarDemo;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace OrmTest
+{
+    internal class UnitOneToOne12
+    {
+        public static void Init()
+        {
+            var db = NewUnitTest.Db;
+            db.CodeFirst.InitTables<user_name_simple, poetry_video_comment>();
+            db.DbMaintenance.TruncateTable<user_name_simple, poetry_video_comment>();
+            var userid = db.Insertable(new user_name_simple()
+            {
+                name = "jack",
+                create_time = DateTime.Now
+            }).ExecuteReturnIdentity();
+            var userid2 = db.Insertable(new user_name_simple()
+            {
+                name = "hellid",
+                create_time = DateTime.Now
+            }).ExecuteReturnIdentity();
+            db.Insertable(new poetry_video_comment()
+            {
+                first_reply_id = 1,
+                reply_user_id = userid2,
+                user_id = userid2
+            }).ExecuteReturnIdentity();
+            db.Insertable(new poetry_video_comment()
+            {
+                first_reply_id = 1,
+                reply_user_id = userid,
+                user_id = userid2
+            }).ExecuteReturnIdentity();
+            db.Insertable(new poetry_video_comment()
+            {
+                first_reply_id = 11,
+                reply_user_id = 11,
+                user_id = 11
+            }).ExecuteReturnIdentity();
+            var list = db.Queryable<poetry_video_comment>()
+                              .Includes(o => o.FirstReply, o => o.ReplyUser)
+                             .Includes(o => o.FirstReply, o => o.CommentUser)
+                             .ToList();
+
+        }
+    }
+}