转化为字符串

@@ -136,7 +136,7 @@ class PayController extends AbstractAction
             $order = WxPayApi::unifiedOrder($input);
             UdpLog::info('【微信支付下单】统一下单时返回结果，','input:'.json_encode($input).'返回:'.json_encode($order));
             $jsApiParameters = $tools->GetJsApiParameters($order);
-            UdpLog::info('【微信支付下单】支付参数，','order:'.$order.'uid:'.$uid.'返回:'.$jsApiParameters);
+            UdpLog::info('【微信支付下单】支付参数，','order:'.json_encode($order).'uid:'.$uid.'返回:'.$jsApiParameters);
 
             $this->echoJson(array('code' => 200, 'data' => array('jsApiParameters' => json_decode($jsApiParameters))));