before recepie upgrade

src/Controller/Admin/BlogCrudController.php

@@ -6,6 +6,7 @@ use App\Entity\Blog;
 use EasyCorp\Bundle\EasyAdminBundle\Controller\AbstractCrudController;
 use EasyCorp\Bundle\EasyAdminBundle\Field\AssociationField;
 use EasyCorp\Bundle\EasyAdminBundle\Field\DateTimeField;
+use EasyCorp\Bundle\EasyAdminBundle\Field\SlugField;
 use EasyCorp\Bundle\EasyAdminBundle\Field\TextEditorField;
 use EasyCorp\Bundle\EasyAdminBundle\Field\TextField;
 
@@ -26,7 +27,8 @@ class BlogCrudController extends AbstractCrudController
 	        AssociationField::new('author')
 		        ->autocomplete(),
 	        TextField::new('title'),
-	        TextField::new('slug'),
+	        SlugField::new('slug')
+	        ->setTargetFieldName('title'),
 	        TextEditorField::new('teaser'),
 	        TextEditorField::new('content'),
 	        DateTimeField::new('createdAt'),