do add union code and fixes bug to weixin pay

@@ -812,7 +812,7 @@ class HomeController extends AbstractAction
             ),
             'orderCode' => $orderCode,
             'hasWxShare' => $hasWxShare,
-            'oldWeixinAuthUrl' => Helpers::url('/home/orders/tickets', array('order_code' => 0)), // 解决老站微信支付很坑的问题
+            'oldWeixinAuthUrl' => $hasWxShare ? Helpers::url('/shopping/pay/wechatwapapi', array('order_code' => $orderCode)) : false, // 解决老站微信支付很坑的问题
         ));
     }