diff --git a/FlyCube/MpApi/Controller/PlaneController.class.php b/FlyCube/MpApi/Controller/PlaneController.class.php
index 43e9615..8595af4 100644
--- a/FlyCube/MpApi/Controller/PlaneController.class.php
+++ b/FlyCube/MpApi/Controller/PlaneController.class.php
@@ -606,7 +606,9 @@ class PlaneController extends PublicController
 		if ($_REQUEST['refund_status']) {
 			$data['refund_status'] = htmlspecialchars($_REQUEST['refund_status']);
 		}
-		$data['by_plane_id'] = ($_REQUEST['by_plane_id'] == '') ? null : intval($_REQUEST['by_plane_id']); //有值写入 没值设null
+		if ($_REQUEST['by_plane_id']) {
+			$data['by_plane_id'] = ($_REQUEST['by_plane_id'] == 'null') ? null : intval($_REQUEST['by_plane_id']);
+		}
 		if ($orderDb->where($where)->save($data)) { //修改数据
 			$topicPrefix = makeTopicPrefix($order['openid']); //小程序端用户订阅主题的前缀 ps:订单对应的用户的openid算出来的
 			// 提醒小程序端 刷新订单列表(mqtt)