diff --git a/Src/Asp.Net/SqlServerTest/SqlServerTest.csproj b/Src/Asp.Net/SqlServerTest/SqlServerTest.csproj
index 9605a4a27..8954e08d2 100644
--- a/Src/Asp.Net/SqlServerTest/SqlServerTest.csproj
+++ b/Src/Asp.Net/SqlServerTest/SqlServerTest.csproj
@@ -95,6 +95,7 @@
     <Compile Include="Models\OrderItem.cs" />
     <Compile Include="Demo\Demo0_SqlSugarClient.cs" />
     <Compile Include="Models\ViewOrder.cs" />
+    <Compile Include="UnitTest\UCustom021.cs" />
     <Compile Include="UnitTest\UByteArray.cs" />
     <Compile Include="UnitTest\UIncludesBigData.cs" />
     <Compile Include="UnitTest\UCustom020.cs" />
diff --git a/Src/Asp.Net/SqlServerTest/UnitTest/Main.cs b/Src/Asp.Net/SqlServerTest/UnitTest/Main.cs
index 6505094ed..065518203 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()
         {
             UByteArray.Init();
+            UCustom021.Inti();
             UCustom020.Init();
             UCustom019.Init();
             UnitManyToMany.Init();
diff --git a/Src/Asp.Net/SqlServerTest/UnitTest/UCustom021.cs b/Src/Asp.Net/SqlServerTest/UnitTest/UCustom021.cs
new file mode 100644
index 000000000..d3c5c6c56
--- /dev/null
+++ b/Src/Asp.Net/SqlServerTest/UnitTest/UCustom021.cs
@@ -0,0 +1,50 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using SqlSugar;
+namespace OrmTest 
+{
+    public class UCustom021
+    {
+        public static void Inti() {
+            var db = NewUnitTest.Db;
+            db.CodeFirst.SetStringDefaultLength(20).InitTables<UnitStudent111>();
+            db.CodeFirst.SetStringDefaultLength(20).InitTables<UnitExam>();
+
+            var id = db.Insertable(new UnitStudent111() { Name = "小a" }).ExecuteReturnIdentity();
+            db.Insertable(new UnitExam
+            {
+                StudentId = id,
+                Number = 1,
+                Time = DateTime.Now
+            }).ExecuteCommand();
+
+            var result2 = db.Queryable<UnitStudent111>()
+             .Includes(e => e.Exams.Where(s => s.Id >e.Id).ToList()).ToList();
+
+
+
+        }
+    }
+
+    public class UnitStudent111
+    {
+        [SugarColumn(IsIdentity = true, IsPrimaryKey = true)]
+        public int Id { get; set; }
+        public string Name { get; set; }
+        [Navigate(NavigateType.OneToMany, nameof(UnitExam.StudentId))]//BookA表中的studenId
+        public List<UnitExam> Exams { get; set; }
+
+    }
+    public class UnitExam
+    {
+        [SugarColumn(IsIdentity = true, IsPrimaryKey = true)]
+        public int Id { get; set; }
+        public int StudentId { get; set; }
+        public int Number { get; set; }
+        public DateTime Time { get; set; }
+
+    }
+}