diff --git a/demotp6/app/model/User.php b/demotp6/app/model/User.php
index 562347e7397a8fa856067fc4b9c7b87cf5ee3ba8..0ffa858bf99fefb59e77539245ce6c0484ae86a2 100644
--- a/demotp6/app/model/User.php
+++ b/demotp6/app/model/User.php
@@ -1,6 +1,8 @@
 <?php
 declare (strict_types = 1);
 namespace app\model;
+
+use stdClass;
 use think\Model;
 enum UserState:int{
     case Inactive=0;
@@ -15,8 +17,10 @@ enum UserState:int{
     }
 }
 /**
- * @property int aaa
- * @property
+ * @property string username
+ * @property string password
+ * @property string email
+ * @property int status
  */
 final class User extends Model
 {
diff --git a/demotp6/config/database.php b/demotp6/config/database.php
index 407672bc2ee87aac1f6be7517b3d1f226a833225..a081653159fa813a11106bd957c87ed188a86a98 100644
--- a/demotp6/config/database.php
+++ b/demotp6/config/database.php
@@ -10,13 +10,13 @@ return [
     // 自动写入时间戳字段
     // true为自动识别类型 false关闭
     // 字符串则明确指定时间字段类型 支持 int timestamp datetime date
-    'auto_timestamp'  => true,
+    'auto_timestamp'  => 'datetime',
 
     // 时间字段取出后的默认时间格式
     'datetime_format' => 'Y-m-d H:i:s',
 
     // 时间字段配置 配置格式：create_time,update_time
-    'datetime_field'  => '',
+    'datetime_field'  => 'create_at,update_at',
 
     // 数据库连接配置信息
     'connections'     => [
diff --git a/demotp6/tests/ModelTest.php b/demotp6/tests/ModelTest.php
index 5da5c76ad58a5f7ce8b22a5d289924cd80f1cf3f..e22bacd7494ffadf612aba1d0e3c7de5c902c2e8 100644
--- a/demotp6/tests/ModelTest.php
+++ b/demotp6/tests/ModelTest.php
@@ -1,6 +1,7 @@
 <?php
 
 use app\model\User;
+use app\model\UserState;
 use PHPUnit\Framework\TestCase;
 use think\App;
 
@@ -20,6 +21,46 @@ class ModelTest extends TestCase{
    
     function testEcho() {
         $user = new User();
+        $user->username='aaa';
+        $user->email="cccc";
+        $user->password='bbbb';
+        $user->status=UserState::Inactive->value;
+        $user->save();
         
     }
+    function testSelect() {
+        // $list=User::select();
+        // $list = User::order('id','asc')->select([1,2]);
+        // $list->hidden(['password']) 
+        //     ->append(['status_text'])
+        //     ->withAttr('name', function($value, $data) {
+        //         return strtolower($value);
+        //     });
+        // $list = User::select([1,2]);
+        $list = User::where('id', '>', 0)->select()
+                ->where('username', 'aaaa')
+                ->where('status', '>=', 0);
+        // dump($list);
+        $list->update(['status'=>UserState::Activated->value]);
+        foreach ($list  as $item) {
+            // print $item->username,"\r\n";
+            echo $item->password,PHP_EOL;
+
+        }
+  
+    }
+    function testFind() {
+        $user = User::where('status','>=','0')->find();
+        // var_dump($user);
+        $user->password='fff';
+        // $user->create_at=(new DateTime())->format("Y-m-d H:i:s.u");
+        $user->isAutoWriteTimestamp(false)->save();
+        // \org\util\DateTime
+    }
+    function testDateTime() {
+        // print microtime();
+        $dt = new DateTime();
+        $res=$dt->format("Y-m-d H:i:s.u");
+        print $res;
+    }
 }
\ No newline at end of file