diff --git a/FlyCube/MpApi/Controller/PlaneController.class.php b/FlyCube/MpApi/Controller/PlaneController.class.php
index a22da22..f207a73 100644
--- a/FlyCube/MpApi/Controller/PlaneController.class.php
+++ b/FlyCube/MpApi/Controller/PlaneController.class.php
@@ -182,10 +182,8 @@ class PlaneController extends PublicController
 			} else {
 				$msg = "已注销执行航线";
 			}
-			if (!$_REQUEST['runing']) {
-				$_REQUEST['runing'] = null;
-			}
-			$data['runing'] = $_REQUEST['runing'];
+			// 如果 $_REQUEST['runing'] 为空字符串，将其设置为 '' 而不是 NULL
+			$data['runing'] = $_REQUEST['runing'] !== null ? $_REQUEST['runing'] : '';
 
 			if ($rsDb->where($where)->save($data)) {
 				echo json_encode(array('status' => 1, 'msg' => '站点航线执行操作成功'));