闪送跑腿创建订单失败时，返回报错内容

app-ghs/controllers/DeliveryController.php

@@ -562,7 +562,7 @@ class DeliveryController extends BaseController
 
             util::success($ret['data']);
         }else{
-            Yii::error('获取订单取消原因:'.json_encode($ret));
+            Yii::error('添加小费请求失败，请求数据是:'.json_encode($ret));
             util::fail($ret['msg']);
         }
     }

common/components/delivery/services/adapter/ShansongAdapter.php

@@ -84,7 +84,12 @@ class ShansongAdapter extends Shansong implements Adapter
         }
 
         Yii::error('status=' . $resp['status'] . ', msg=' . $resp['msg']);
-        return null;
+        return [
+            'code' => -1,
+            'platform' => 'shansong',
+            'msg' => $resp['msg'] ?? 'Unknown error',
+            'data' => []
+        ];
     }
 
     /**