diff --git a/api/node.py b/api/node.py
index 430727a..1237a66 100644
--- a/api/node.py
+++ b/api/node.py
@@ -141,7 +141,9 @@ async def get_redis_online_data(redis_con):
                 update_time_str = hash_data.get('updateTime')
                 if update_time_str:
                     update_time = datetime.strptime(update_time_str, '%Y-%m-%d %H:%M:%S')
-                    time_difference = (datetime.strptime(get_now_time(), "%Y-%m-%d %H:%M:%S") - update_time).seconds
+                    time_difference = (
+                                datetime.strptime(get_now_time(), "%Y-%m-%d %H:%M:%S") - update_time).total_seconds()
+                    logger.info(f'节点时间差：{time_difference}, {get_now_time()}, {update_time}')
                     if time_difference > NODE_TIMEOUT:
                         await asyncio.create_task(update_redis_data(redis, key))
                         hash_data['state'] = '3'