diff --git a/README.md b/README.md
index 6347f223ed5c3329205a78cc724a1b5bdac007e0..dd73d31620921dac5f879bbb06c2949ef08eae37 100644
--- a/README.md
+++ b/README.md
@@ -1,9 +1,11 @@
 ## 环境变量
 XDEBUG_CONFIG="idekey=VSCODE"
 XDEBUG=vscode
+## 快捷键
+ctrl/command + shift + k //删除当前行
 ## cli
 php think run
-
+php think make:model
 composer create-project topthink/think=~6.0 demotp6
 composer create-project topthink/think=~8.0 demotp8
 composer create-project topthink/think=~5 demotp5
diff --git a/demotp6/app/model/Article.php b/demotp6/app/model/Article.php
index 4384e8e1ad7be39b099ccfcae7c8accda758ad51..d223ccfed0cfaddd675c9e4bcbc869b6aea20e33 100644
--- a/demotp6/app/model/Article.php
+++ b/demotp6/app/model/Article.php
@@ -7,8 +7,17 @@ use think\Model;
 
 /**
  * @mixin \think\Model
+ * @property string $title
  */
 class Article extends Model
 {
-    //
+    public const Content = 'content';
+    public function content()
+    {
+        return $this->hasOne(ArticleContent::class);
+    }
+    public function user()
+    {
+        return $this->belongsTo(User::class);
+    }
 }
diff --git a/demotp6/app/model/ArticleContent.php b/demotp6/app/model/ArticleContent.php
new file mode 100644
index 0000000000000000000000000000000000000000..8406cd79e8bd433257454ea00e2e3bade59c6dbe
--- /dev/null
+++ b/demotp6/app/model/ArticleContent.php
@@ -0,0 +1,19 @@
+<?php
+declare (strict_types = 1);
+
+namespace app\model;
+
+use think\Model;
+
+/**
+ * @mixin \think\Model
+ * @property string $content
+ */
+class ArticleContent extends Model
+{
+    protected $name='articlecontent';
+    public function article()
+    {
+        return $this->belongsTo(Article::class)->bind(["aaa"=>'content']);
+    }
+}
diff --git a/demotp6/app/model/User.php b/demotp6/app/model/User.php
index 0ffa858bf99fefb59e77539245ce6c0484ae86a2..da102adf160214520affc4d4e3839b9827bec374 100644
--- a/demotp6/app/model/User.php
+++ b/demotp6/app/model/User.php
@@ -24,5 +24,10 @@ enum UserState:int{
  */
 final class User extends Model
 {
+    public const Articles = 'articles';
+    public function articles()
+    {
+        return $this->hasMany(Article::class);
+    }
     
 }
diff --git a/demotp6/tests/ModelTest.php b/demotp6/tests/ModelTest.php
index 837dc117c0b8ec1f6d79445fca9e342195ed25fc..95c9c11c047e66f2ba58ea5e50a1582fbd26adcd 100644
--- a/demotp6/tests/ModelTest.php
+++ b/demotp6/tests/ModelTest.php
@@ -1,5 +1,7 @@
 <?php
 
+use app\model\Article;
+use app\model\ArticleContent;
 use app\model\User;
 use app\model\UserState;
 use PHPUnit\Framework\TestCase;
@@ -19,15 +21,85 @@ class ModelTest extends TestCase
     {
         assertTrue(true);
     }
+    public function testArticleContentBelongsTo(){
+        $cc=ArticleContent::find(3);
+        print $cc->article;
+    }
+    public function testhasMany()
+    {
+        // $uu = User::find(13);
+        // foreach ($uu->articles()->where("title","aaaaa")->select() as $item) {
+        //     echo $item->title,PHP_EOL;
+        // }
+
+        // print $uu->articles;
+
+        // $user=new User();
+        // $user->username='aaaa';
+        // $user->save();
+        // $aa=new Article();
+        // $aa->title="aaaaa";
+        // $bb=new Article();
+        // $bb->title='bbbbb';
+        // $user->articles()->saveAll([$aa,$bb]);
+        $wh=Article::where('user_id','>',0);
+        $uu = User::with([User::Articles])->hasWhere(User::Articles,$wh)->select();
+        
+        print $uu;
+
+        
+    }
+    public function testArticleContent()
+    {
+        $aa = Article::find(3);
+        $cc = new ArticleContent();
+        $cc->content = 'aaaaa';
+        // $aa->content->content="cccccc";
+        // $aa->content->save();
+        // $aa->save();
+        // $cc->save();
+        $aa->content()->save($cc);
+        // $aa->save();
+    }
+    public function testArticle()
+    {
+        // $aaa=Article::withJoin("content")->select();
+        // foreach ($aaa as $item) {
+        //     print $item;
+
+        // }
+        // $aa=new Article();
+        // $aa->title="bbb";
+        // $aa->save();
+
+        $aa = Article::with("content")->find(3);
+        $aa->content->delete();
+        $aa->delete();
+        // print $aa->content->content;
+        // $aa->content->content = 'cccc';
+        // $aa->content->save();
+        // echo $aa->aaa,"???";
+        // print $aa->content;
+    }
+    public function testCreateArticle()
+    {
+        $aa = new Article();
+        $aa->title = "ccc";
+        $cc=new ArticleContent();
+        $cc->content='vvvvvv';
+        $aa->content=$cc;
+        $aa->together(['content'])->save();
+        // $aa->save();
+    }
     public function testByName()
     {
-        $user=User::getByUsername('aaa');
+        $user = User::getByUsername('aaa');
         print $user;
     }
     function testValueColumn()
     {
         // $res=User::where("id",">",0)->value("email");
-        $res=User::where("id",">",0)->column("username");
+        $res = User::where("id", ">", 0)->column("username");
         print $res;
     }
     function testCreate()
@@ -38,7 +110,6 @@ class ModelTest extends TestCase
         $user->password = 'wqsqwsqsw';
         $user->status = UserState::Inactive->value;
         $user->save();
-        
     }
     function testSelect()
     {