diff --git a/FlyCube/MpApi/Controller/PlaneController.class.php b/FlyCube/MpApi/Controller/PlaneController.class.php
index 4976c18..93fc145 100644
--- a/FlyCube/MpApi/Controller/PlaneController.class.php
+++ b/FlyCube/MpApi/Controller/PlaneController.class.php
@@ -200,8 +200,8 @@ class PlaneController extends PublicController
 				}
 			}
 
-			// 如果没有重复的航线，则更新数据库
-			$data['runing'] = empty($submittedRuningArray) ? null : implode(',', $submittedRuningArray);
+			// 如果 $_REQUEST['runing'] 为空字符串 或者null，将其设置为 null
+			$data['runing'] = $_REQUEST['runing'] == null || $_REQUEST['runing'] = '' ?  '' : $_REQUEST['runing'];
 			if ($rsDb->where($where)->save($data)) {
 				exit(json_encode(array('status' => 1, 'msg' => '站点航线执行操作成功!')));
 			} else {