diff --git a/app/Traits/MyCrawlerTrait.php b/app/Traits/MyCrawlerTrait.php
index 3f4e8b3..ca05b9b 100644
--- a/app/Traits/MyCrawlerTrait.php
+++ b/app/Traits/MyCrawlerTrait.php
@@ -6,7 +6,7 @@ use Symfony\Component\DomCrawler\Crawler;
 
 trait MyCrawlerTrait
 {
-    final protected function createByMyCrawler($html)
+    final protected function createByMyCrawler($html): Crawler
     {
         return new Crawler($html);
     }