diff --git a/liteyuki/plugins/liteyuki_satori_user_info/auto_update.py b/liteyuki/plugins/liteyuki_satori_user_info/auto_update.py
index 08080f44..8b6199e3 100644
--- a/liteyuki/plugins/liteyuki_satori_user_info/auto_update.py
+++ b/liteyuki/plugins/liteyuki_satori_user_info/auto_update.py
@@ -1,3 +1,5 @@
+import nonebot
+
 from liteyuki.utils import satori_utils
 from nonebot.message import event_preprocessor
 # from nonebot_plugin_alconna.typings import Event
@@ -10,13 +12,11 @@ from liteyuki.plugins.liteyuki_status.counter_for_satori import satori_counter
 
 @event_preprocessor
 async def pre_handle(event: Event):
-    print("UPDATE_USER")
-    print(event.__dict__)
     if isinstance(event, satori.MessageEvent):
         if event.user.id == event.self_id:
             satori_counter.msg_sent += 1
         else:
             satori_counter.msg_received += 1
         if event.user.name is not None:
-            await satori_utils.user_infos.put(event.user)
-            print(event.user)
+            if await satori_utils.user_infos.put(event.user):
+                nonebot.logger.info(f"Satori user {event.user.name}<{event.user.id}> updated")
diff --git a/liteyuki/utils/satori_utils/user_info.py b/liteyuki/utils/satori_utils/user_info.py
index f4b9b4b0..6500e719 100644
--- a/liteyuki/utils/satori_utils/user_info.py
+++ b/liteyuki/utils/satori_utils/user_info.py
@@ -28,8 +28,34 @@ class UserInfo:
         except KeyError:
             return None
 
-    async def put(self, user: User):
-        self.user_infos[str(user.id)] = user
+    async def put(self, user: User) -> bool:
+        """
+        向用户信息数据库中添加/修改一项，返回值仅代表数据是否变更，不代表操作是否成功
+        Args:
+            user: 要加入数据库的用户
+
+        Returns: 当数据库中用户信息发生变化时返回 True, 否则返回 False
+
+        """
+        try:
+            old_user: User = self.user_infos[str(user.id)]
+            attr_edited = False
+            if user.name is not None:
+                if old_user.name != user.name:
+                    attr_edited = True
+                    self.user_infos[str(user.id)].name = user.name
+            if user.nick is not None:
+                if old_user.nick != user.nick:
+                    attr_edited = True
+                    self.user_infos[str(user.id)].nick = user.nick
+            if user.avatar is not None:
+                if old_user.avatar != user.avatar:
+                    attr_edited = True
+                    self.user_infos[str(user.id)].avatar = user.avatar
+            return attr_edited
+        except KeyError:
+            self.user_infos[str(user.id)] = user
+            return True
 
     def __init__(self):
         pass