diff --git a/robot.py b/robot.py
index cc66c43..dc09dd4 100644
--- a/robot.py
+++ b/robot.py
@@ -538,7 +538,7 @@ class Robot(Job):
             group_id = group["chatroom_id"]
             chatroom_info = await self.ipad_bot.get_chatroom_info(group_id)
             self.LOG.debug(f"获取到的群成员信息：{chatroom_info}")
-            if chatroom_info.get("UserName", "") != "":
+            if chatroom_info.get("UserName", ""):
                 # 保存群信息到数据库
                 self.contacts_db.save_chatroom_info(chatroom_info)