diff --git a/demotp6/app/model/Article.php b/demotp6/app/model/Article.php
index d223ccfed0cfaddd675c9e4bcbc869b6aea20e33..b7d2d72269dbde68969150ebda8e1f527eb29c90 100644
--- a/demotp6/app/model/Article.php
+++ b/demotp6/app/model/Article.php
@@ -8,6 +8,7 @@ use think\Model;
 /**
  * @mixin \think\Model
  * @property string $title
+ * @property User user
  */
 class Article extends Model
 {
diff --git a/demotp6/app/model/User.php b/demotp6/app/model/User.php
index da102adf160214520affc4d4e3839b9827bec374..e9096cb24586709309eb3d75ddecbbe4934a38cb 100644
--- a/demotp6/app/model/User.php
+++ b/demotp6/app/model/User.php
@@ -4,6 +4,8 @@ namespace app\model;
 
 use stdClass;
 use think\Model;
+use think\model\Collection;
+
 enum UserState:int{
     case Inactive=0;
     case Activated=1;
@@ -21,6 +23,7 @@ enum UserState:int{
  * @property string password
  * @property string email
  * @property int status
+ * @property Collection articles
  */
 final class User extends Model
 {
diff --git a/demotp6/tests/DemoTest.php b/demotp6/tests/DemoTest.php
index 52d717ec3255a0767d5a3dc0fdf779df8c0d46af..96d37c875f1f992c558d36f228b5e3556b3a3484 100644
--- a/demotp6/tests/DemoTest.php
+++ b/demotp6/tests/DemoTest.php
@@ -19,6 +19,19 @@ class DemoTest extends TestCase
     {
         assertTrue(true);
     }
+    public function testRandom()
+    {
+        foreach (range(1,100) as $aa) {
+            echo $aa,PHP_EOL;
+            $bytes = random_bytes(5);
+            print bin2hex($bytes);
+            print PHP_EOL;
+            echo rand(1,1000),PHP_EOL;
+        }
+        // $bytes = random_bytes(5);
+        // print bin2hex($bytes);
+        // print PHP_EOL;
+    }
     public function testLog(){
         echo "aaaa";
         echo "bbbb";
diff --git a/demotp6/tests/ModelTest.php b/demotp6/tests/ModelTest.php
index 95c9c11c047e66f2ba58ea5e50a1582fbd26adcd..24fad014300307aa1ae6b687970b164b342e2688 100644
--- a/demotp6/tests/ModelTest.php
+++ b/demotp6/tests/ModelTest.php
@@ -46,8 +46,6 @@ class ModelTest extends TestCase
         $uu = User::with([User::Articles])->hasWhere(User::Articles,$wh)->select();
         
         print $uu;
-
-        
     }
     public function testArticleContent()
     {