diff --git a/Src/Asp.NetCore2/SqlSeverTest/UnitTest/UnitCreateNavClass.cs b/Src/Asp.NetCore2/SqlSeverTest/UnitTest/UnitCreateNavClass.cs
new file mode 100644
index 000000000..a946c5781
--- /dev/null
+++ b/Src/Asp.NetCore2/SqlSeverTest/UnitTest/UnitCreateNavClass.cs
@@ -0,0 +1,52 @@
+using SqlSugar;
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.Linq;
+using System.Linq.Dynamic.Core;
+using System.Text;
+
+namespace OrmTest
+{
+    internal class UnitCreateNavClass
+    {
+        public static void Init() 
+        {
+            var db = NewUnitTest.Db;
+            var typeBilder = db.DynamicBuilder().CreateClass("table1dfafa1231", new SugarTable() { });
+
+            //可以循环添加列
+            typeBilder.CreateProperty("Id", typeof(int), new SugarColumn() { IsPrimaryKey = true, IsIdentity = true });
+            typeBilder.CreateProperty("Name", typeof(string), new SugarColumn() { });
+            //一对一
+            typeBilder.CreateProperty("OrderInfo",typeof(Order), navigate: new Navigate(NavigateType.OneToOne, "Id" ));//和导航查询一配置法
+            //一对多
+            typeBilder.CreateProperty("OrderInfos", typeof(List<Order>), navigate: new Navigate(NavigateType.OneToMany, nameof(Order.Id)));//和导航查询一配置法
+            typeBilder.WithCache(); //缓存Key 表名+字段名称相加
+
+
+            //创建类
+            var type = typeBilder.BuilderType();
+
+            //建表
+            db.CodeFirst.InitTables(type);
+
+            //设置动态表达式
+            StaticConfig.DynamicExpressionParserType = typeof(DynamicExpressionParser);
+
+            var dic=  new Dictionary<string,object> { { "Name", "jack" } };
+            var insertObj = db.DynamicBuilder().CreateObjectByType(type, dic);
+            db.InsertableByObject(insertObj).ExecuteCommand();
+
+            var list=db.QueryableByObject(type)
+                .Where("it", $"it=>it.OrderInfo.Id==1")
+                .Where("it",$"it=>it.OrderInfos.Any()")
+                .ToList();
+
+            var list2 = db.QueryableByObject(type)
+              .Includes("OrderInfo")
+              .Includes("OrderInfos")
+              .ToList();
+        }
+    }
+}