client-id

@@ -40,7 +40,9 @@ class RecomData
         $param['page'] = $page;
         $param['limit'] = $limit;
         $param['yh_channel'] = $channel;
-        $param['client_id'] = $_COOKIE['_yasvd'];
+        if (isset($_COOKIE['_yasvd'])) {
+            $param['client_id'] = $_COOKIE['_yasvd'];
+        }
         $param['client_secret'] = Sign::getSign($param);
 
         return Yohobuy::get(API_URL, $param, 300);