diff --git a/Src/Asp.NetCore2/TDengineTest/Demo/ORMTest.cs b/Src/Asp.NetCore2/TDengineTest/Demo/ORMTest.cs
index 2a37d4b2d..00a15651f 100644
--- a/Src/Asp.NetCore2/TDengineTest/Demo/ORMTest.cs
+++ b/Src/Asp.NetCore2/TDengineTest/Demo/ORMTest.cs
@@ -30,10 +30,17 @@ namespace TDengineTest
                 }
             });
              
-            //简单用例
-            Demo1(db); 
 
-            //测试用例
+            //建表
+            CodeFirst(db);
+
+            //生成实体
+            DbFirst(db);
+
+            //简单用例
+            Demo1(db);
+
+            //测试用例 （纳秒、微妙、类型）
             UnitTest(db);
 
             Console.WriteLine("执行完成");
diff --git a/Src/Asp.NetCore2/TDengineTest/Demo/ORMTest_Partial/1_CodeFirts.cs b/Src/Asp.NetCore2/TDengineTest/Demo/ORMTest_Partial/1_CodeFirts.cs
new file mode 100644
index 000000000..45488dc92
--- /dev/null
+++ b/Src/Asp.NetCore2/TDengineTest/Demo/ORMTest_Partial/1_CodeFirts.cs
@@ -0,0 +1,15 @@
+using SqlSugar;
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace TDengineTest
+{
+    public partial class ORMTest
+    {
+        public static void CodeFirst(SqlSugarClient db)
+        {
+
+        }
+    }
+}
diff --git a/Src/Asp.NetCore2/TDengineTest/Demo/ORMTest_Partial/1_DbFirst.cs b/Src/Asp.NetCore2/TDengineTest/Demo/ORMTest_Partial/1_DbFirst.cs
new file mode 100644
index 000000000..9039ed9ff
--- /dev/null
+++ b/Src/Asp.NetCore2/TDengineTest/Demo/ORMTest_Partial/1_DbFirst.cs
@@ -0,0 +1,17 @@
+using SqlSugar;
+using System;
+using System.Collections.Generic;
+using System.Text;
+using System.Xml.Serialization;
+
+
+namespace TDengineTest
+{
+    public partial class ORMTest
+    {
+        public static void DbFirst(SqlSugarClient db)
+        {
+
+        }
+    }
+}