fix a bug of fee

@@ -758,6 +758,10 @@ class OrderController extends HomeBaseController{
 //        $order_no =substr($data['out_trade_no'], 0, -4);
         $order_no=$data['out_trade_no'];
         $order=\db('order')->where(['order_no'=>$order_no])->find();
+        if ($order['state']==3){
+            echo "SUCCESS";
+            exit;
+        }
 //        Log::record($order);
 //        Log::record($mySign);
 //        Log::record($data['return_code']);