diff --git a/app/api/controller/DataCollectController.php b/app/api/controller/DataCollectController.php
index 7b9e2dff..fca8db06 100644
--- a/app/api/controller/DataCollectController.php
+++ b/app/api/controller/DataCollectController.php
@@ -176,7 +176,7 @@ class DataCollectController extends BaseApiController
                         'land_id' => $land[3],
                         'device_id' => $item['device_id'],
                         'last_online_time' => $parmas['disconnected_at'],
-                        'disconnected_time' => $parmas['disconnected_time'],
+                        'disconnected_time' => $parmas['disconnected_at'],
                         'create_time' => time(),
                         'update_time' => time()
                     ];