edit

vip/src/Buy.php

@@ -141,7 +141,7 @@ class Buy extends Base
             //'cash' => '0.01',
             'product_id' => $buy_id,
             'order_id' => $order_id,
-            'refer' => $refer,
+            'refer' => urlencode($refer),
             'ip' => Dever::ip()
         );