diff --git a/SqlServerTest/Demo/DbFirst.cs b/SqlServerTest/Demo/DbFirst.cs
index 48ca0c2e8..baffc2946 100644
--- a/SqlServerTest/Demo/DbFirst.cs
+++ b/SqlServerTest/Demo/DbFirst.cs
@@ -5,11 +5,13 @@ using System.Text;
 
 namespace OrmTest.Demo
 {
-    public class DbFirst
+    public class DbFirst:DemoBase
     {
         public static void Init()
         {
-
+            var db = GetInstance();
+            //Create all class
+            db.DbFirst.CreateClassFile("c:\\Demo\\all");
         }
     }
 }
\ No newline at end of file
diff --git a/SqlServerTest/Program.cs b/SqlServerTest/Program.cs
index 6488e73be..bc864ae1f 100644
--- a/SqlServerTest/Program.cs
+++ b/SqlServerTest/Program.cs
@@ -17,27 +17,28 @@ namespace OrmTest
     {
         static void Main(string[] args)
         {
-            /***Unit Test***/
-            new Field(1).Init();
-            new Where(1).Init();
-            new Method(1).Init();
-            new JoinQuery(1).Init();
-            new SingleQuery(1).Init();
-            new SelectQuery(1).Init();
-            new AutoClose(1).Init();
-            new Insert(1).Init();
-            new Delete(1).Init();
-            new Update(1).Init();
-            new Mapping(1).Init();
+            ///***Unit Test***/
+            //new Field(1).Init();
+            //new Where(1).Init();
+            //new Method(1).Init();
+            //new JoinQuery(1).Init();
+            //new SingleQuery(1).Init();
+            //new SelectQuery(1).Init();
+            //new AutoClose(1).Init();
+            //new Insert(1).Init();
+            //new Delete(1).Init();
+            //new Update(1).Init();
+            //new Mapping(1).Init();
 
-            /***Performance Test***/
-            new SqlSugarPerformance(100).Select();
+            ///***Performance Test***/
+            //new SqlSugarPerformance(100).Select();
 
-            /***Demo***/
-            OrmTest.Demo.Query.Init();
-            OrmTest.Demo.Insert.Init();
-            OrmTest.Demo.Delete.Init();
-            OrmTest.Demo.Update.Init();
+            ///***Demo***/
+            //OrmTest.Demo.Query.Init();
+            //OrmTest.Demo.Insert.Init();
+            //OrmTest.Demo.Delete.Init();
+            //OrmTest.Demo.Update.Init();
+            OrmTest.Demo.DbFirst.Init();
         }
     }
 }