bug修改

@@ -268,7 +268,11 @@ class Order extends Api
                     // 接单时间
                     $v->getRelation('grab_success')->createtime = date('m/d/H:i',$v->getRelation('grab_success')->createtime);
                     $v->getRelation('grab_success')->visible(['id','grab_price','voucher_images','createtime','user']);
-                    $v->getRelation('grab_success')->getRelation('user')->visible(['id','nickname']);
+                    if($v->getRelation('grab_success')->getRelation('user')){
+                        $v->getRelation('grab_success')->getRelation('user')->visible(['id','nickname']);
+                    }else{
+                        $v->getRelation('grab_success')->user = [];
+                    }
                 }else{
                     $v->grab_success = [];
                 }