edit

buy/src/Buy.php

@@ -369,7 +369,7 @@ class Buy extends Base
 
         $star = false;
         if (Dever::input('star_id')) {
-            $star = $this->getStar();
+            $star = Dever::load('act/order')->getStar();
         }
 
         $user = Dever::db('passport/user')->one($uid);