diff --git a/Src/Asp.Net/SqlServerTest/SqlServerTest.csproj b/Src/Asp.Net/SqlServerTest/SqlServerTest.csproj
index ed6c66add..2f1275954 100644
--- a/Src/Asp.Net/SqlServerTest/SqlServerTest.csproj
+++ b/Src/Asp.Net/SqlServerTest/SqlServerTest.csproj
@@ -94,6 +94,7 @@
     <Compile Include="Models\OrderItem.cs" />
     <Compile Include="Demo\Demo0_SqlSugarClient.cs" />
     <Compile Include="Models\ViewOrder.cs" />
+    <Compile Include="UnitTest\UintDynamic.cs" />
     <Compile Include="UnitTest\UnitManyToMany.cs" />
     <Compile Include="UnitTest\UCustom018.cs" />
     <Compile Include="UnitTest\Models\Order.cs" />
diff --git a/Src/Asp.Net/SqlServerTest/UnitTest/Main.cs b/Src/Asp.Net/SqlServerTest/UnitTest/Main.cs
index 56f7a1881..783bf24f0 100644
--- a/Src/Asp.Net/SqlServerTest/UnitTest/Main.cs
+++ b/Src/Asp.Net/SqlServerTest/UnitTest/Main.cs
@@ -39,6 +39,7 @@ namespace OrmTest
             UCustom014.Init();
             UCustom013.Init();
             UCustom012.Init();
+            UintDynamic.Init();
             UCustom09.Init();
             UCustom011.Init();
             UCustom010.Init();
diff --git a/Src/Asp.Net/SqlServerTest/UnitTest/UintDynamic.cs b/Src/Asp.Net/SqlServerTest/UnitTest/UintDynamic.cs
new file mode 100644
index 000000000..f3dc769cd
--- /dev/null
+++ b/Src/Asp.Net/SqlServerTest/UnitTest/UintDynamic.cs
@@ -0,0 +1,51 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using SqlSugar;
+namespace OrmTest
+{
+    public class UintDynamic
+    {
+        public static void Init()
+        {
+            var db = NewUnitTest.Db;
+            var list=db.Queryable<StudentA>()
+                .Includes(it => it.Books.MappingField(z=>z.studenId,()=>it.StudentId)
+                                        .MappingField(z => z.studenId, () => it.StudentId).ToList())
+                .ToList();
+        }
+
+        public class StudentA
+        {
+            [SugarColumn(IsPrimaryKey = true)]
+            public int StudentId { get; set; }
+            public string Name { get; set; }
+            [SugarColumn(IsNullable = true)]
+            public int? SchoolId { get; set; }
+            [Navigate(NavigateType.Dynamic,null)]
+            public SchoolA SchoolA { get; set; }
+            [Navigate(NavigateType.Dynamic, null)]
+            public List<BookA> Books { get; set; }
+
+        }
+        public class SchoolA
+        {
+            [SugarColumn(IsPrimaryKey = true)]
+            public int SchoolId { get; set; }
+            [SugarColumn(ColumnName = "SchoolName")]
+            public string School_Name { get; set; }
+     
+        }
+
+        public class BookA
+        {
+            [SugarColumn(IsPrimaryKey = true)]
+            public int BookId { get; set; }
+            [SugarColumn(ColumnName = "Name")]
+            public string Names { get; set; }
+            public int studenId { get; set; }
+        }
+    }
+}