add: 适配ping++支付结构

application/modules/Pay/controllers/Order.php

@@ -20,7 +20,10 @@ class OrderController extends Base
         $paySrv = new PayService();
         $ret = $paySrv->do_pay($order_id, $user_id);
 
-        $this->success(['result'=>$ret]);
+        //兼容C端客户端支付，调整返回结构，ping++ 返回 order，原生：微信、支付宝返回charge
+        $result = [];
+        $result[] = ['k'=>'order', 'v'=>$ret];
+        $this->success(['result'=>$result]);
     }
 
     public function refundAction() {