gx

@@ -191,7 +191,7 @@ class Keyword extends Base
         if (is_numeric($first_title)){
             return 0;
         }
-        $string_key = array_search($first_title, $this->model->firstNumWord);
+        $string_key = array_search($first_title, $this->firstNumWord);
         return $string_key ?: 27;
     }
 }